A collection of tech articles I have been writting over the years for my own future reference.
Useful tweaks for linux distribution based on debian (ubuntu, mint, etc).
It is turned off by default. Normally, you just need to search for firewall in your distribution menu.
Essential apps
sudo apt install vim curl git chromium-browser vlc vlc-plugin-fluidsynth gimp htop
mono-runtime-common: .NET Framework for Linuxgnome-orca: screen readerapt-xapian-index: indexing application speeds up certain search operations but in general isn’t a good trade-offpidgin: chatting apphexchat: chatting appthunderbird: email clientgnote: postit notessudo apt-get remove mono-runtime-common gnome-orca apt-xapian-index pidgin hexchat thunderbird gnote sticky
sudo apt-add-repository -y ppa:cappelikan/ppa
sudo apt update
sudo apt install mainline
Run mainline from the GUI start menu.
Edit /etc/systemd/logind.conf and set HandleLidSwitch=ignore
cp /etc/systemd/logind.conf /etc/systemd/logind.conf.bk
echo 'HandleLidSwitch=ignore' >> /etc/systemd/logind.conf
If you are using grub for boot management (e.g.: when you have a dual boot) you may want to reduce the default timeout.
sudo cp /etc/default/grub /etc/default/grub.bk
sudo vim /etc/default/grub
# Change the value of GRUB_TIMEOUT to 1
GRUB_TIMEOUT=1
sudo update-grub
https://arcolinux.com/how-to-increase-the-size-of-your-swapfile/
# Turn off all swap processes
sudo swapoff -a
# Resize the swap to 20Gb
sudo dd if=/dev/zero of=/swapfile bs=1G count=20
# Make the file usable as swap
sudo mkswap /swapfile
# Check usage
free -m
The tendency to swap 60 is a good value for servers. For normal home use a lower value is more adequate.
# Check current value
cat /proc/sys/vm/swappiness
# Backup current configuration
sudo cp /etc/sysctl.conf /etc/sysctl.conf.bk
sudo vim /etc/sysctl.conf
# Add the following line
# Reduce the swap tendency
vm.swappiness = 1
If you have additional partitions you may want to mount them during startup. See more details at: What Is the Linux fstab File, and How Does It Work?
# List devices by UUID
sudo blkid
# Create a mount point
mkdir /home/YOUR_HOME_USER/files
# Add the partition in etc/fstab
# Mount extra HDD at startup
UUID=YOUR_UUID /home/YOUR_HOME_USER/files ext4 relatime,noexec 0 2
# Mount extra HDD at startup (alternative options)
LABEL=YOUR_LABEL /mnt/YOUR_DESIRED_FOLDER_NAME auto defaults,rw,user,x-gvfs-show,noauto 0 0
Based on this excellent tutorial: https://forums.linuxmint.com/viewtopic.php?t=273202
Lookup for your swap partition:
cat /etc/fstab
Backup your grub config:
sudo cp /etc/default/grub.bk /etc/default/grub
Edit your grub config:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID=putYourSwapUUIDhere"
Update your grup:
sudo update-grub
sudo apt install virt-manager
Install SDKMAN
curl -s "https://get.sdkman.io" | bash
source "$HOME/.sdkman/bin/sdkman-init.sh"
sdk version
List available Java AdoptOpenJDK candiates:
sdk list java | grep adpt
Install Java AdoptOpenJDK:
sdk install java 11.0.11.j9-adpt
Install Maven:
sdk install maven
Install Gradle:
sdk install gradle
Install Adobe Acrobat Reader on Ubuntu Distros
Follow this guide if you are running Linux Mint: Install Docker on Linux Mint
sudo.sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker
docker run hello-world
.inputrc
# Ctrl-Delete: delete next word
"\e[3;5~": shell-kill-word
# Ctrl-Backspace: delete previous word
"\C-H": shell-backward-kill-word
Github official page: https://github.com/nvm-sh/nvm
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash
# Need to exit and reopen the current terminal so the changes take effect
nvm install node
node -v
npm -v
wget https://download-cf.jetbrains.com/idea/ideaIC-2018.2.4.tar.gz
tar xfzv ideaIC-2018.2.4.tar.gz -C ~/dev/
mv ~/dev/idea-IC-182.4505.22/ ~/dev/intellij
~/dev/intellij/bin/idea.sh
Active tab color: Action Context Menu (Ctrl + A) | Registry search for ide.new.editor.tabs.selection.color and set it to something bright.
Add asterisk to tabs with modified tabs:
Settings | Editor | Mark Modified tabs with asterisk
Download and install VirtualBox. After installing the guest additions, add your user to the vboxsf group
cat /etc/group | grep vboxsf
sudo usermod -aG vboxsf [YOUR_USERNAME]
Steps to use PipeWire instead of the default pulseaudio. PipeWire has better bluetooth support. See this tutorial for reference: https://linuxconfig.org/how-to-install-pipewire-on-ubuntu-linux
sudo add-apt-repository ppa:pipewire-debian/pipewire-upstream
sudo apt update
sudo apt install pipewire pipewire-audio-client-libraries
sudo apt install gstreamer1.0-pipewire libpipewire-0.3-{0,dev,modules} libspa-0.2-{bluetooth,dev,jack,modules} pipewire{,-{audio-client-libraries,pulse,media-session,bin,locales,tests}}
systemctl --user daemon-reload
systemctl --user --now disable pulseaudio.service pulseaudio.socket
systemctl --user --now enable pipewire pipewire-pulse
To revert the above changes:
sudo apt remove pipewire pipewire-audio-client-libraries
sudo apt remove gstreamer1.0-pipewire libpipewire-0.3-{0,dev,modules} libspa-0.2-{bluetooth,dev,jack,modules} pipewire{,-{audio-client-libraries,pulse,media-session,bin,locales,tests}}
systemctl --user daemon-reload
systemctl --user --now enable pulseaudio.service pulseaudio.socket
pactl info
mkdir -p ~/.local/share/themes/
cd ~/Downloads/
wget -O dracula.zip https://github.com/dracula/gtk/archive/master.zip
unzip dracula.zip
mv gtk-master ~/.local/share/themes/dracula
Behavior > Repeat speed: 50
Application Shortcuts > xfce4-popup-whiskermenu: Super+Space
Application Shortcuts > xfce4-taskmanager: Super+M
Application Shortcuts > xfce4-terminal: Super+T
Application Shortcuts > xkill: Super+K
Application Shortcuts > exo-open --launch FileManager: Super+E
Keyboard > Raise window > Clear
Keyboard > Lower window > Clear
Keyboard > Move window to upper workspace > Clear
Keyboard > Move window to bottom workspace > Clear
Keyboard > Move window to left workspace > Clear
Keyboard > Move window to right workspace > Clear
Keyboard > Move window to previous workspace: Shift+Ctrl+Alt+Left
Keyboard > Move window to next workspace: Shift+Ctrl+Alt+Right
Keyboard > Move window to workspace 1 > Clear
Keyboard > Move window to workspace 2 > Clear
Keyboard > Move window to workspace 3 > Clear
Keyboard > Move window to workspace 4 > Clear
Keyboard > Move window to workspace 5 > Clear
Keyboard > Move window to workspace 6 > Clear
Keyboard > Move window to workspace 7 > Clear
Keyboard > Move window to workspace 8 > Clear
Keyboard > Move window to workspace 9 > Clear
Keyboard > Tile window to the top: Super+Up
Keyboard > Tile window to the bottom: Super+Down
Keyboard > Tile window to the left: Super+Left
Keyboard > Tile window to the right: Super+Right
Keyboard > Show Desktop: Super+D
Keyboard > Upper workspace > Clear
Keyboard > Bottom workspace > Clear
Keyboard > Left workspace > Clear
Keyboard > Right workspace > Clear
Keyboard > Next workspace: Ctrl+Alt+Right
Keyboard > Previous workspace: Ctrl+Alt+Left
Keyboard > Workspace 1 > Clear
Keyboard > Workspace 2 > Clear
Keyboard > Workspace 3 > Clear
Keyboard > Workspace 4 > Clear
Keyboard > Workspace 5 > Clear
Keyboard > Workspace 6 > Clear
Keyboard > Workspace 7 > Clear
Keyboard > Workspace 8 > Clear
Keyboard > Workspace 9 > Clear
Keyboard > Workspace 10 > Clear
Keyboard > Workspace 11 > Clear
Keyboard > Workspace 12 > Clear
Keyboard > Add workspace > Clear
Keyboard > Delete last workspace > Clear
Turn off effects
Menu Button >> Preferences >> Effects
Turn everything [off]
Menu button >> Preferences >> System Settings >> General
Disable compositing for full-screen windows [off]
Menu button >> Preferences >> Window Tiling [off]
The Ctrl+Alt+Up and Ctrl+Alt+Down are traditionally used with for toggle workspaces up and down but they conflic to many development IDEs.
## Lookup for shortcuts Ctrl+Alt+Up and Ctrl+Alt+Down
## gsettings list-recursively | grep -i "up\|down" | grep -i "Alt" | grep -i "Control"
gsettings set org.cinnamon.desktop.keybindings.wm switch-to-workspace-down []
gsettings set org.cinnamon.desktop.keybindings.wm switch-to-workspace-up []