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= Linux at Roche |
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Luiza Kuźma <luiza.kuzma@roche.com> |
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:icons: font |
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:toc: |
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== New Installation |
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* Copy |
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** your notes |
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** your pictures and folders |
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** bash history |
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** bookmarks!!! |
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** gvimrc |
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** snap list |
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** apt list |
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|
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== Dell XPS 13 |
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=== Others |
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jetbrains@ -> 3x (keyring) |
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keyring -> 3x (keyring) |
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wallet4kde -> 3x -> kde 4x |
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==== GitLab |
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https://docs.gitlab.com/ee/ssh/ |
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* nie używaj hasła do certyfikatu bo będzie się Ciebie pytał po 3x przy każdym pushu.... |
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---- |
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cd |
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cd ./ssh |
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ssh-keygen -t ed25519 -C "<comment>" |
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ssh-keygen -t ed25519 -C "Dell_on_Gitlab" |
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---- |
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=== GNOME (ubuntu) 22 |
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==== Programming installations |
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* Flyway 6.5.5 |
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** https://code.roche.com/pdil/snowflake/snowflake/-/package_files/167350/download[Roche repo for Flyway] |
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** sudo cp -r flyway /usr/local/bin/flyway_6_5_5 |
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** sudo ln -s /usr/local/bin/flyway_6_5_5/flyway /usr/local/bin/flyway |
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==== System Installations |
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* apt update |
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* apt upgrade |
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* IntelliJ |
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** Toolbox: |
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*** sudo tar -xzf jetbrains-toolbox-1.21.9712.tar.gz -C /opt |
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* openJDK 11 |
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** sudo apt install default-jre |
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** sudo apt install default-jdk |
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** szukanie lokalizacji JDK |
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*** /usr/lib/jvm/java-11-openjdk-amd64 |
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*** sudo update-alternatives --config java |
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*** Problem: IntelliJ nie bierze tego jdk - bierze z katalogu: default.... |
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* Extensions - rozszerzenia gnome |
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** gnome-shell |
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*** sudo apt gnome-shell |
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** gnome-shell-extension |
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*** sudo apt install gnome-shell-extensions |
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** gnome-shell-extension-manager |
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*** sudo apt install gnome-shell-extenstion-manager |
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* pulpity |
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** sudo apt install gnome-tweaks |
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** pulpit dzielony na 4 -> extension do "gnome-tweaks" |
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*** sudo apt install gnome-shell-extensions |
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* Now you will need to restart the Gnome shell. |
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** Hit Alt+F2 keyboard shortcut and then type r and hit Enter to do so. |
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* Changing brightness in screen: XPS 9300 Ubuntu & Adaptive Brightness changing all the time |
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** I have a XPS 13 9300 shipped with Ubuntu 18.04 by Dell. The adaptive brightness can be disabled from: |
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*** Settings => Power => Automatic brightness |
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* Michał Kalinowski Terminal: guake |
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https://overflow.roche.com/t/i-cannot-connect-to-wifi-on-my-dell-xps-9310-what-should-i-do/6739 |
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=== GNOME (ubuntu) 20 - Problems on Dell |
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* WiFi + blutooth |
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** https://overflow.roche.com/t/i-cannot-connect-to-wifi-on-my-dell-xps-9310-what-should-i-do/6739/7 |
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*** git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git |
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*** sudo cp -r linux-firmware/ath11k /lib/firmware/ |
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===== External Display is not visible |
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* gnome does not see external display |
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* trying to fix it |
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** sudo apt-get install kubuntu-desktop |
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** it didn't help |
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*** on my home computer I have KDE as a windows and external screen works with HP computer (also Ubuntu 20th) |
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* idea to check |
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** in the office with the external screen |
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===== No visible Blutooth |
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* at least in gnome |
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** and little ports to use |
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Default RLC at <Roche> GNOME (ubuntu) working with |
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==== Multiple workspaces with many monitors |
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sudo apt install gnome-tweaks |
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* przełączanie |
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** Super + Pg Up / Pg Down |
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** OR |
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** Ctrl + Alt + Arrow Up / Arrow Down |
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* przenoszenie okna między workspace'ami |
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** Super + Schift + Page Up/Down |
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* podzał ekranu na 4 - opcje: winTile, gTile, ShellTile, |
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** WinTile |
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*** Super + strzałka (to przy podziale na 4 -> jak pod Windows) |
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*** icon:minus[] nie działa dla Ubuntu 22 |
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** ShellTile |
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*** icon:minus[] nie działa dla Ubuntu 22 |
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** Ubuntu 22 |
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*** Tiling Assistant (GitHub) |
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**** https://askubuntu.com/questions/1460962/view-split-on-top-bottom-in-ubuntu-22-04[Instruction] |
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*** Quater Windows |
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*** Tactile |
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**** https://fostips.com/two-more-apps-side-by-side-ubuntu-22-04/[] |
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==== Quater Windows |
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https://github.com/troyready/quarterwindows[Shortcuts] |
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Overview |
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This extension adds shortcuts for window management. |
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Shortcuts |
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Move window to upper right ("northeast") corner: Ctrl + Win + i |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-corner-ne "['<Primary><Super>i']" |
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Move window to upper left ("northwest") corner: Ctrl + Win + u |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-corner-nw "['<Primary><Super>u']" |
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Move window to lower right ("southeast") corner: Ctrl + Win + k |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-corner-se "['<Primary><Super>k']" |
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Move window to lower left ("southwest") corner: Ctrl + Win + j |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-corner-sw "['<Primary><Super>j']" |
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Move window to upper half: Ctrl + Win + UpArrow |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-half-n "['<Primary><Super>Up']" |
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Move window to bottom half: Ctrl + Win + DownArrow |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-half-s "['<Primary><Super>Down']" |
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Move window to right half: Ctrl + Win + RightArrow |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-half-e "['<Primary><Super>Right']" |
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Move window to left half: Ctrl + Win + LeftArrow |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/put-to-half-w "['<Primary><Super>Left']" |
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Move window focus to the left ("west"): Shift + Win + h |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/move-focus-w "['<Shift><Super>h']" |
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Move window focus down ("south"): Shift + Win + j |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/move-focus-s "['<Shift><Super>j']" |
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Move window focus up ("north"): Shift + Win + k |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/move-focus-n "['<Shift><Super>k']" |
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Move window focus to the right ("east"): Shift + Win + l |
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Can be customized via: dconf write /org/gnome/shell/extensions/com-troyready-quarterwindows/move-focus-w "['<Shift><Super>l']" |
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Determining Shortcut Keys |
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An easy way to determine custom shortcut key values is to: |
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Watch for dconf changes by opening a terminal and running dconf watch / |
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Set a temporary custom GNOME shortcut (Settings -> Keyboard -> View and Customize Shortcuts -> Custom Shortcuts) |
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The dconf command will display the chosen shortcut keys. Delete the shortcut and use the displayed shortcut in the above customization commands. |
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==== gnome-shell |
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* gnome-shell --version |
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* install extension manually from zip |
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** e.g. wintile |
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*** przykład na innym extension: |
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**** https://linuxconfig.org/install-gnome-shell-extensions-from-zip-file-using-command-line-on-ubuntu-20-04-linux |
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*** unzip -C wintilenowsci.com.v7.shell-extension.zip metadata.json | grep uuid | cut -d \" -f4 wintile@nowsci.com |
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*** mkdir -p ~/.local/share/gnome-shell/extensions/wintile@nowsci.com |
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*** unzip -q wintilenowsci.com.v7.shell-extension.zip -d ~/.local/share/gnome-shell/extensions/wintile@nowsci.com |
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*** gnome-extensions enable wintile@nowsci.com |
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*** In order for the changes to take effect, you’ll need to restart the GNOME shell. The quickest way of doing so is: |
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**** to press Alt+F2 on your keyboard, type r, and then press enter. |
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===== Paint pod Gnome |
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* pod gnome za maleńkie ikonki (i nie dało się tego poprawić) |
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** Pinta |
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** xpaint |
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** KolourPaint |
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* pod gnome działały (ikony do rozczytania) ale trudne i skomplikowane programy: |
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** Krita |
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** MyPaint |
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* rozwiązanie |
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** kUbuntu Plasma <=> KDE - KolourPaint ma normalne ikony |
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=== KDE - Ubuntu 20 |
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* nie działał ekran startowy - doinstalowywałam |
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* języki - tutaj uwaga: |
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** System Settings -> Regional Settings |
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*** Language - MUSI zostać angielski inaczej CAŁY SYSTEM linux będzie po polsku |
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*** Formats |
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**** Region: Polska - ustawienia w KDE i komunikaty systemowe są po polsku |
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**** Region: MUSI zostać angielski inaczej CAŁY SYSTEM linux będzie po polsku |
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**** Detailded Settings: Jednakże ustawienia szczegółowe można przestawić na "Polska", nie wpływają na język systemu |
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***** Numbers, Time, Currency, Measurement Units, Collation and Sorting |
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* wylogowywanie przez Ctrl+Alt+Del |
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** Global Shortcuts |
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* dodanie sztywnych wirtualnych desktopów |
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** System Settings -> Virtual Desktops (moża podpisać i uzgodnić ułożenie - czy rząd czy tablica) |
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* gVim - doinstalowałam |
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** etc/vim/gvimrc |
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*** colorscheme desert |
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*** colorscheme slate |
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*** colorscheme torte |
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** these settings seems to be not necessary under Linux |
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*** set langmenu=en_US |
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*** set nocompatible |
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*** set nu |
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*** set guifont=Monospace:h13 |
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* Zegar na pasku |
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** Event Calendar widget - skonfigurowany pode mnie |
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** wygląda dobrze tylko jeśli taskbar jest u dołu |
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* Restore previous session - jest domyślny w KDE |
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* System Settings -> Screen Edges |
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** aka hot corners |
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** podłączanie różnych przydatnych zachowań pod "gorące punkty" |
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** można też dodać dzielenie ekranu na 4 ale to działa nie dla "ekranu" ale dla całego workspace |
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* podział ekranu na 4 w rogach |
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** Global Shortcuts -> kWin użycie i podpięcie pod akcje skrótów (te się sprawdzają i są intuicyjne - z Windows???) |
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*** Quick Tile Window to the Bottom Left : Meta+Ctrl+Left |
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*** Quick Tile Window to the Bottom Right : Meta+Ctrl+Down |
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*** Quick Tile Window to the Top Left : Meta+Ctrl+Up |
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*** Quick Tile Window to the Top Right : Meta+Ctrl+Right |
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* inny sposób prezentacji menu |
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** oryginalnie jest: Application Launcher |
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** doinstaluj Widget: Applicatin Dashboard przypięty do taskbara |
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*** Application Dashboard <=> A fullscreen application launcher |
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* Mouse Whell - Scroll desktop (on desktop) |
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** you can redefine or remove this action in |
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*** Right click on desktop -> Configure Desktop -> Mouse Actions -> Vertical-Scroll -> minus button on the right |
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* Przemieszczanie okien między desktopami |
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** System Settings -> Workspace Behavior -> Screen Edges -> Switch desktop on edge: Only When Moving Windows |
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=== Java Developer |
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==== Błędy w IntelliJ z opisem |
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* po zainstalowaniu java + mvn przez sudo apt |
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** openJDK 11 |
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*** sudo apt install default-jre |
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*** sudo apt install default-jdk |
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*** szukanie lokalizacji JDK |
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**** /usr/lib/jvm/java-11-openjdk-amd64 |
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**** sudo update-alternatives --config java |
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***** możesz wybrać interakcyjnie wersję javy |
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**** Problem: IntelliJ nie bierze tego jdk - bierze z katalogu: default.... |
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Czerwone w konsoli |
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---- |
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/usr/lib/jvm/default-java/bin/java -Dmaven.multiModuleProjectDirectory=/home/users/kuzmal/IdeaProjects/roche-oauth2-spring -Dmaven.home=/usr/share/maven -Dclassworlds.conf=/usr/share/maven/bin/m2.conf -Dmaven.ext.class.path=/home/users/kuzmal/.local/share/JetBrains/Toolbox/apps/IDEA-U/ch-0/212.5457.46/plugins/maven/lib/maven-event-listener.jar -javaagent:/home/users/kuzmal/.local/share/JetBrains/Toolbox/apps/IDEA-U/ch-0/212.5457.46/lib/idea_rt.jar=46707:/home/users/kuzmal/.local/share/JetBrains/Toolbox/apps/IDEA-U/ch-0/212.5457.46/bin -Dfile.encoding=UTF-8 -classpath /usr/share/maven/boot/plexus-classworlds-2.x.jar org.codehaus.classworlds.Launcher -Didea.version=2021.2.3 clean |
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WARNING: An illegal reflective access operation has occurred |
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WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.$ReflectUtils$1 (file:/usr/share/maven/lib/guice.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) |
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WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.$ReflectUtils$1 |
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WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations |
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WARNING: All illegal access operations will be denied in a future release |
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---- |
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https://github.com/google/guice/issues/1216 |
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@alan-hwp are you using Ubuntu's custom distribution of Maven? The official Maven distribution uses the "no-AOP" build of Guice which doesn't contain any CGLIB code. If you download an official distribution from https://maven.apache.org/ then you shouldn't see the warning. |
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==== Reinstalacja mavena |
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* Skonfiguruj java |
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** https://help.ubuntu.com/community/EnvironmentVariables |
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*** /etc/profile.d -> java-maven.sh |
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**** export JAVA_HOME=/usr/lib/jvm/default-java |
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**** export PATH=$PATH:$JAVA_HOME/bin |
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* Skonfiguruj maven |
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** https://maven.apache.org/install.html |
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** https://www.rosehosting.com/blog/how-to-install-apache-maven-on-ubuntu-20-04/ |
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** ja umieściłam maven tam gdzie java: /usr/lib/jvm |
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*** i dodałam do /etc/profile.d -> java-maven.sh |
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**** export M2_HOME=/usr/lib/jvm/apache-maven-3.8.4 |
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**** export MAVEN_HOME=/usr/lib/jvm/apache-maven-3.8.4 |
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**** export PATH=$PATH:$JAVA_HOME/bin:$M2_HOME/bin |
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Ostatecznie plik java-maven.sh wygląda |
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---- |
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export JAVA_HOME=/usr/lib/jvm/default-java |
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export M2_HOME=/usr/lib/jvm/apache-maven-3.8.4 |
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export MAVEN_HOME=/usr/lib/jvm/apache-maven-3.8.4 |
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export PATH=$PATH:$JAVA_HOME/bin:$M2_HOME/bin |
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---- |
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* sudo chmod +x java-maven.sh |
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* wykonaj ten plik przez: |
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** source java-maven.sh |
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== Roche Linux RLC configuration |
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=== Pulse Secure Snowflake problem |
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https://overflow.roche.com/t/unable-to-connect-to-snowflake-due-to-blocked-ip/7501/8[Roverflow: Unable to connect to Snowflake due to blocked IP] |
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Manual adding any domain you want to tunneling using script delivered by @kravvcu . In my case it was domain suitable for SnowFlake. |
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Download the script from this link 1 or directly from @kravvcu post. (it is located in our Roche GitLab) |
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==== Preparations - one time preparations |
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* location |
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** ./Projects/PDIL/routes_lk |
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** ./Projects/PDIL/routes_oryg |
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* Edit script and add your domain. In my case it was changing DOMAINS variable |
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from: DOMAINS=( domain.one.roche.com domain.two.roche.com ) |
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to: DOMAINS=( roche_pd.eu-central-1.snowflakecomputing.com ) |
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* Add executable to the file routes (chmod u+x) |
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|
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==== VPN connection with SF |
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* Connect to your VPN gateway, whichever you want |
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* Run the script ./Projects/PDIL/routes_lk |
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* It will produce two commands, which you execute on your own. |
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** In my case it was such commands (the ip address depends on gate, to which you are connected to): |
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|
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---- |
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sudo ip route add 3.65.82.225 via 10.143.136.153 dev tun0 metric 1; |
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sudo ip route add 3.120.160.121 via 10.143.136.153 dev tun0 metric 1; |
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---- |
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* enjoy connection to SnowFlake… |
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=== Pulse Secure hanging problems |
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|
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|
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==== Skorzystałam z takich poleceń od Zbyszka: |
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sudo systemctl restart pulsesecure.service |
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sudo systemctl restart NetworkManager |
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|
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==== Zbigniew Grzybek, 7 min |
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|
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ja uzywam takich komend jak mi sie pulse wykrzaczy |
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|
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---- |
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sudo cp /etc/resolv.conf_back /etc/resolv.conf |
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sudo systemctl restart pulsesecure.service |
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sudo systemctl restart NetworkManager |
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---- |
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|
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i pozniej do laczenia: |
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|
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---- |
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/opt/pulsesecure/bin/pulselauncher -U rbapulse.range.roche.net/rlcaas-cert -r EMEA -c /home/users/grzybekz/.pulsesecure/pulse/certificates/grzybekz.pem -u grzybekz |
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w /etc/resolv.conf_back mam taki wpis (ale tutaj mozesz miec inny): |
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# Generated by NetworkManager |
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search localdomain |
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nameserver 192.168.86.2 |
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---- |
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|
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=== FollowMe Printer |
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|
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https://overflow.roche.com/t/how-to-install-followme-printer/446/14[Roverflow How to install FOLLOWME printer?] |
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|
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lpadmin -p FollowMe_Warsaw -E -v lpd://rwamsmps.emea.roche.com/Warsaw_FollowMe -m foomatic-db-compressed-ppds:0/ppd/foomatic-ppd/Xerox-WorkCentre_7345-pxlcolor.ppd && lpadmin -p FollowMe_Poznan -o PageSize=A4 -o printer-is-shared=false creates=/etc/cups/ppd/FollowMe_Warsaw.ppd |
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|
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|
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==== Add person to the group lpadmin |
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===== It works! |
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https://askubuntu.com/questions/964040/usermod-says-account-doesnt-exist-but-adduser-says-it-does[Overflow description] |
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---- |
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Just do this: |
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sudo vim /etc/group |
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and add your name to the desired group, like: |
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somegroup:x:25:yourusername |
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---- |
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|
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However, the commands: |
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groups |
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|
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id |
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|
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do not return lpadmin group but I am able to play with the printer. |
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|
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===== It DOESN'T WORK |
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[source,shell] |
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---- |
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sudo usermod -a -G group1,group2 username |
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---- |
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|
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I am getting the message: |
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---- |
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kuzmal@rwauwprlc0049:/etc$ sudo usermod -a -G lpadmin kuzmal |
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usermod: user 'kuzmal' does not exist |
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---- |
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|
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==== Add printer driver |
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|
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* trying with ppd |
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** https://frameboxxindore.com/linux/quick-answer-how-install-ppd-file-in-ubuntu.html[Quick Answer: How install PPD file in Ubuntu?] |
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|
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|
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https://www.support.xerox.com/en-us/product/workcentre-7328-7335-7345-7346/downloads?platform=linux&language=en[Xerox WorkCentre 7345 Foomatic/pxlcolor] |
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|
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=== Change Password |
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|
||||
https://roche.service-now.com/rose?id=ticket&table=incident&sys_id=21e728131b6991947a7d99baab4bcb28[RoSE ticket] |
||||
|
||||
==== Roverflow |
||||
|
||||
|
||||
* Planowane pytanie do Roverflow |
||||
** https://overflow.roche.com/t/how-does-one-change-the-password-on-rlc/9803/14 |
||||
** 2023-02-23 |
||||
|
||||
Hi @Mihajlo_Joksimovic, |
||||
I have similar issue (probably) as @Daniel_Sabanes_Bove: |
||||
* I changed my password in CIDM, |
||||
* I was many times in the office working after this change |
||||
* I changed the disc encription password but... |
||||
|
||||
my Ubuntu 20 still wants my previous domain password to log-in and all admin/sudo actions require previous domain password. |
||||
I had some tickets done in SNOW but it hasn't change |
||||
|
||||
|
||||
|
||||
* cidm |
||||
** it does not change password in Linux |
||||
*** for disc encription, use this cmd: |
||||
**** sudo /usr/sbin/rlcaas-roche-luks-key-changer |
||||
*** for system (login + sudo) |
||||
**** login into RCN inside the Roche Infrastructure (Roche Network in the office) |
||||
**** try restarting the centrifydc service: |
||||
***** “sudo systemctl restart centrifydc.service” --> Roverflow |
||||
***** "systemctl restart centrifydc" --> RoSE ticket |
||||
***** Then the cache should actually be deleted and recreated with the new use. |
||||
*** check the Centrify status with command "adinfo" |
||||
|
||||
---- |
||||
kuzmal@rwauwprlc0049:~$ adinfo |
||||
Local host name: rwauwprlc0049 |
||||
Joined to domain: emea.roche.com |
||||
Joined as: rwauwprlc0049.emea.roche.com |
||||
Pre-win2K name: rwauwprlc0049 |
||||
Current DC: <unavailable> |
||||
Preferred site: ADS-CH-BaselKaiseraugst |
||||
Zone: emea.roche.com/Zones/EMEA_RLC-Clients-Global |
||||
CentrifyDC mode: disconnected |
||||
Licensed Features: Enabled |
||||
---- |
||||
|
||||
I am in the office today and try to finalize the issue. |
||||
I did: |
||||
adinfo |
||||
and got "disconnected". |
||||
Then I did: |
||||
sudo systemctl restart centrifydc.service |
||||
and afterwards: |
||||
adinfo |
||||
and... I still have "disconnected". |
||||
|
||||
|
||||
---- |
||||
kuzmal@rwauwprlc0049:~$ ip a |
||||
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 |
||||
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 |
||||
inet 127.0.0.1/8 scope host lo |
||||
valid_lft forever preferred_lft forever |
||||
inet6 ::1/128 scope host |
||||
valid_lft forever preferred_lft forever |
||||
2: wlp114s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 4096 |
||||
link/ether 9c:b6:d0:3f:67:80 brd ff:ff:ff:ff:ff:ff |
||||
inet 10.144.57.216/23 brd 10.144.57.255 scope global dynamic noprefixroute wlp114s0 |
||||
valid_lft 592132sec preferred_lft 592132sec |
||||
inet6 fe80::9eb6:d0ff:fe3f:6780/64 scope link noprefixroute |
||||
valid_lft forever preferred_lft forever |
||||
3: enxd037454c1936: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 |
||||
link/ether d0:37:45:4c:19:36 brd ff:ff:ff:ff:ff:ff |
||||
4: enx80ce6278ff02: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 |
||||
link/ether 80:ce:62:78:ff:02 brd ff:ff:ff:ff:ff:ff |
||||
inet 10.144.52.165/24 brd 10.144.52.255 scope global dynamic noprefixroute enx80ce6278ff02 |
||||
valid_lft 595157sec preferred_lft 595157sec |
||||
inet6 fe80::a602:9255:669f:de9d/64 scope link noprefixroute |
||||
valid_lft forever preferred_lft forever |
||||
kuzmal@rwauwprlc0049:~$ |
||||
---- |
||||
|
||||
|
||||
|
||||
|
||||
== Problems |
||||
|
||||
=== Unblocking screen-saver or hanging log-in console |
||||
|
||||
* it was displayed during the screen-saver collapsed |
||||
* "The screen locker is broken and unlocking is not possible anymore. In order to unlock" |
||||
** switch to a virtual terminal (e.g. Ctrl+Alt+F2) |
||||
** log in |
||||
** execute the command: |
||||
*** loginctl unlock-session 3 |
||||
** switch back to the running session |
||||
*** Ctrl+Alt+F1 |
||||
|
||||
|
||||
== Tools |
||||
|
||||
=== Screen recorders |
||||
|
||||
* simplescreenrecorder - czerwone rogi a w środku czerwona kropka |
||||
** nie łapie dźwięku z youtube - przypuszczam, że i ze spotkania |
||||
* vokoscreenNG |
||||
** albo rwie dźwięk |
||||
** albo ekran nieruchomo |
||||
** trudno wymusić mikrofon |
||||
|
||||
|
||||
=== Installers |
||||
|
||||
* gem |
||||
** asciidoctor-diagram |
||||
** asciidoctor-pdf |
||||
* apt |
||||
* snap |
||||
|
||||
=== Ciekawe - do rozważenia |
||||
|
||||
* Zajętość dysku, rozmiary katalogów, wieloplatformowe, wizualne obrazowanie |
||||
** https://www.linuxlinks.com/k4dirstat/[K4DirStat] |
||||
|
||||
=== Paint alternatives |
||||
|
||||
* do sprawdzenia |
||||
** mtpaint |
||||
** Pinta |
||||
** xpaint |
||||
** KolourPaint |
||||
*** taki sobi |
||||
* trudne programy (działały też pod gnome - ikony do rozczytania): |
||||
** Krita |
||||
** MyPaint |
||||
** ale oba nie biorą prosto ze schowka |
||||
|
||||
|
||||
|
||||
=== Doublecmd |
||||
|
||||
sudo apt-get install doublecmd-gtk |
||||
|
||||
=== ImageMagic - ubuntu picture conversions |
||||
|
||||
* Carefully!!! - resize with keep aspect ratio - icon:exclamation-triangle[] but it substitute pictures |
||||
** do it on YOUR COPIES of pictures |
||||
** it does for ALL picture in the directory |
||||
|
||||
# 4k |
||||
mogrify -resize '1920x1080^' *.JPG |
||||
# FullHD |
||||
mogrify -resize '1920x1080^' *.JPG |
||||
|
||||
|
||||
=== Profiles |
||||
|
||||
==== Create env variables |
||||
|
||||
---- |
||||
# Global env variables |
||||
/etc/profile |
||||
/etc/profile.d -> put your own file |
||||
|
||||
# Local env variables |
||||
/home/.../.profile -> or .bash_profile or .bash_login |
||||
---- |
||||
|
||||
https://www.baeldung.com/linux/environment-variables[Env variables] |
||||
|
||||
With Bash, we declare global variables in /etc/profile. But, we recommend declaring them in their own script files and putting those in /etc/profile.d. Bash will automatically pick these up. |
||||
|
||||
Global variables affect all users in the system. Each user can create a set of “global” environment variables for their own by creating ~/.profile in their home directory. |
||||
|
||||
==== Load profile |
||||
|
||||
source .profile |
||||
|
||||
|
||||
== Commands |
||||
|
||||
=== Counting string appearance |
||||
|
||||
==== json |
||||
|
||||
* directly in Postman |
||||
* vi counts only till 99 (so e.g. 7844 will not display, sth like this: >99) |
||||
* use with wc, wc -l -> counts number of lines |
||||
|
||||
---- |
||||
# counting the number of attributes on the given level |
||||
jq '.item | length' 2023_05_12_Substance_PROD_Active_and_Deleted.json |
||||
jq '.item[].hubStateInd' 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json | wc -l |
||||
---- |
||||
|
||||
---- |
||||
grep -o -i hubStateInd\"\:1 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json | wc -l |
||||
---- |
||||
|
||||
* jq is more about structure of json |
||||
|
||||
---- |
||||
jq '.item[] | .hubStateInd' '2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json' | wc -l |
||||
jq '.item[].hubStateInd' 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json | wc -l |
||||
---- |
||||
|
||||
* jq select element with hubStateInd=-1 |
||||
---- |
||||
jq '.item[] | select (.hubStateInd==-1)' 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json |
||||
---- |
||||
|
||||
* count all elements, which have on the 1st level of a table hubStateInd=1 or -1 (to avoid counting children) |
||||
---- |
||||
jq '.item[] | select (.hubStateInd==-1)' 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json | jq '.hubStateInd' | wc -l |
||||
212 |
||||
jq '.item[] | select (.hubStateInd==1)' 2023_05_12_Substance_PROD_Active_and_Deleted_and_Pending.json | jq '.hubStateInd' | wc -l |
||||
7787 |
||||
---- |
||||
|
||||
|
||||
|
||||
* https://stedolan.github.io/jq/[jq documentation] |
||||
* https://gist.github.com/barbietunnie/e694d8a8b3f5fd895829e44e7b2c42eb[jq Tips] |
||||
|
||||
=== Useful commands |
||||
|
||||
* whereis |
||||
* Environment variables |
||||
** printenv |
||||
* port in use |
||||
** sudo lsof -i:22 |
||||
** sudo lsof -i:8443 |
||||
** https://www.cyberciti.biz/faq/unix-linux-check-if-port-is-in-use-command/ |
||||
|
||||
=== Find / Grep |
||||
|
||||
==== Sum-up of useful find: |
||||
|
||||
[source,shell] |
||||
---- |
||||
find . -type f -name *Mongo* |
||||
find / -name rlcaas-roche-luks-key-changer 2>/dev/null |
||||
find ./ -type f -name *.adoc -exec grep --include=\*.adoc -ilnw "Applause" {} \; |
||||
---- |
||||
|
||||
|
||||
==== Description of problems |
||||
|
||||
https://stackoverflow.com/questions/22552538/grep-warning-recursive-directory-loop[Problem and solution description] |
||||
|
||||
grep --include=\*.adoc -irnw "devcopse" / |
||||
|
||||
[source,log] |
||||
---- |
||||
grep: warning: ./svn/pages/india/xhtml/abcd/dvorak/testing/ocean/monday: recursive directory loop |
||||
---- |
||||
|
||||
You have to exclude symbolic links from your grep, they are reason of this warning. You should try to use find firstly: |
||||
|
||||
find ./ -type f -exec grep -il "blah_blah_text" {} \; |
||||
|
||||
When you use find firstly you can omit -r in grep, because find is already recursive. |
||||
|
||||
|
||||
find ./ -type f -exec grep --include=\*.adoc -ilnw "security" {} \; |
||||
|
||||
=== Grep |
||||
|
||||
* https://stackoverflow.com/questions/16956810/how-do-i-find-all-files-containing-specific-text-on-linux[grep] |
||||
** redirect warnings/errors to null: |
||||
*** 2>/dev/null |
||||
|
||||
[source,shell] |
||||
---- |
||||
grep --include=\*.adoc -irnw "devcopse" /home/users/kuzmal |
||||
fgrep --include=\*.adoc -irnw "security" /home/users/kuzmal |
||||
|
||||
# with 2>/dev/null |
||||
grep --include=\*.adoc -irnw "devcopse" /home/users/kuzmal 2>/dev/null |
||||
fgrep --include=\*.adoc -irnw "security" /home/users/kuzmal 2>/dev/null |
||||
|
||||
---- |
||||
|
||||
|
||||
|
||||
=== History |
||||
|
||||
* history |
||||
* history | grep env |
||||
* !760 - execute command no 760 |
||||
* history -d <line number> - remove command <line number> from history (e.g. sensitive data) |
||||
|
||||
|
||||
=== Info about user / profile /system |
||||
|
||||
[source,bash] |
||||
---- |
||||
cat << EOF |
||||
* Username: "${USER}" |
||||
* Hostname: "${HOST}" |
||||
* Site: $(grep 'site=' /etc/rlc-systeminfo | cut -d ' ' -f2) |
||||
* OS Version: (`cat /etc/os-release`) |
||||
* Kernel Version: (`uname -a`) |
||||
EOF |
||||
---- |
||||
|
||||
|
||||
=== Od Tomasza Marciniaka |
||||
|
||||
|
||||
==== Ctrl+C, Ctrl+V |
||||
|
||||
stty -a |
||||
stty intr ^J |
||||
|
||||
|
||||
|
||||
==== Pictures - exiftool |
||||
|
||||
exiftool img1.jpg |
||||
exiftool -all= img1.jpg |
||||
|
||||
|
||||
|
||||
==== Pictures - ImageMagick |
||||
|
||||
convert -resize 25% img1.jpg img2.jpg |
||||
identify -verbose m.jpg |
||||
|
||||
|
||||
|
||||
==== Video |
||||
|
||||
ffmpeg -i infile -vf "scale=iw/2:ih/2" outfile |
||||
ffmpeg -i infile -vf "scale=iw/2:ih/2" -b:v 150k outfile |
||||
ffmpeg -i infile -vf "scale=iw/4:ih/4" -b:v 140k -b:a 64k outfile |
||||
|
||||
|
||||
|
||||
==== Memory |
||||
|
||||
free -g / free -m |
||||
top -o %MEM |
||||
top -> f -> up/down -> s -> q (sort by something) |
||||
top -> e/E (units) |
||||
|
||||
|
||||
|
||||
==== X |
||||
|
||||
xdg-open https://github.com |
||||
xsel |
||||
|
||||
|
||||
|
||||
==== pdf |
||||
|
||||
pdfunite *.pdf 2018.pdf |
||||
|
||||
|
||||
==== TTS - festival |
||||
|
||||
apt install festival festvox-en1 festvox-us1 festvox-us2 festvox-us3 festvox-us-slt-hts festvox-kdlpc16k |
||||
echo "Hello world" | festival --tts |
||||
echo '(SayText "Hello World")' | festival --pipe |
||||
festival --tts my-text.txt |
||||
|
||||
stty intr ^C (go back to default ctrl+c handling, without this festival doesn't work properly) |
||||
festival |
||||
help |
||||
(voice.list) |
||||
(tts "text.txt" nil) |
||||
(voice_en1_mbrola) |
||||
(voice_cmu_us_slt_arctic_hts) |
||||
|
||||
|
||||
|
||||
==== TTS - espeak-ng |
||||
|
||||
apt install espeak-ng |
||||
espeak-ng --voices=en |
||||
espeak-ng -s 150 -f text.txt |
||||
espeak-ng -s 140 -f text.txt -v us-mbrola-1 |
||||
espeak-ng "Hello world" |
||||
echo "Hello world" | espeak-ng |
||||
|
||||
|
||||
|
||||
==== TTS - pico |
||||
|
||||
apt install libttspico-utils |
||||
pico2wave -w a.wav "Hello world" |
||||
aplay a.wav |
||||
cat text.txt | pico2wave -w a.wav |
||||
aplay a.wav |
||||
|
||||
|
||||
=== Linux <R> servers |
||||
|
||||
sudo /home/adm/bin/suroot |
||||
|
||||
==== ssh |
||||
|
||||
* .ssh |
||||
** cat/more id_rsa.pub |
||||
|
||||
---- |
||||
ssh xx@server |
||||
---- |
||||
|
||||
|
||||
== Kubernetes |
||||
|
||||
=== virtualbox-7.0 |
||||
|
||||
* Configuring Secure Boot |
||||
** 4Secure2Boot! |
||||
Loading…
Reference in new issue