Linux desktop setup

reboot if stuck

• Alt+PrtSc+
• r - keyboard to raw mode
• e - sigterm to all processes
• i - sigkill to all processes
• s - flush data to disk
• u - unmount and remount read-only
• b - reboot
• k - kills all programs on the current virtual console

reduce systemd stop timeout

• DefaultTimeoutStopSec=5 in /etc/systemd/system.conf

stress testing

• s-tui, stress

bios

• intel default settings
• xmp I
• disable hyperthreading
• disable wifi

fzf

• ctrl-t - add file/dir to cmd
• alt-c - cd into selected dir
• ctrl-r - output shell history ** - like ctrl-t

proton

• DXVK_FRAME_RATE=60 %command%

remove ibus from zoom deb

• see patch_zoom.sh

disable keybase redirector service

• systemctl –user mask keybase-redirector.service

disable pipewire from lightdm to prevent audio adjustment

• pipewire.socket pipewire-pulse.socket filter-chain.service pipewire.service wireplumber.service pipewire-pulse.service
• sudo systemctl –user -M lightdm@ stop/disable/mask

desktop files in ~/.local/share/applications

download and install keybase

• needs dummy libappindicator1 and libgconf-2-4
• /etc/keybase/config.json to disable-root-redirector
• sudo chmod a-s /usr/bin/keybase-redirector

create /media/toshiba as mount point for thumbdrive

• add fstab entry

Kali Unkaputtbar

• use a single btrfs partition
• allows for booting into snapshots
• default on opensuse and fedora
• https://fedoraproject.org/wiki/Changes/BtrfsByDefault
• https://en.opensuse.org/SDB:BTRFS
• https://www.jwillikers.com/btrfs-layout
• https://www.jwillikers.com/btrfs-mount-options
• https://github.com/kdave/btrfsmaintenance
  • follow rolling distro settings

Previously using kali with separate home partition, all in ext4

Alternative package manager

• flox, based on nix
• nix, determinate nix installer
• Homebrew
  • installs into /home/linuxbrew

Autologin using mingetty mingetty: in /etc/inittab, c1:2345:respawn:/sbin/mingetty –autologin jack tty1 linux

GRUB_CMDLINE_LINUX_DEFAULT="quiet resume=/dev/sda1 nomodeset nouveau.modeset=0 cgroup_enable=memory swapaccount=1”

kernel upgrading

• install both linux-headers-amd64 and linux-image-amd64
• nvidia-kernel-dkms may need to be updated as well

general upgrading

• upgrade without new packages, apt-get upgrade
• upgrade with new packages, apt upgrade
• upgrade with new packages and delete, apt full-upgrade
• optionally hold linux-headers-amd64 linux-image-amd64 linux-libc-dev

Allow unprivileged users to create namespaces, for AppImage to work echo ‘kernel.unprivileged_userns_clone=1’ > /etc/sysctl.d/00-local-userns.conf

dev

• rustup

files

• ncdu to find large folders

Terminal

• rxvt, then kitty
• alternatives: wezterm, alacritty
• Ctrl-[ is equivalent to Esc

Terminal multiplexer

• screen, then tmux
• use tab in kitty

PDF annotation/signing

• xournal, but difficult to sign with mouse

QR code generation

• qrencode “text” -o out.png

mpv

• shift-q to quit and save the current position
• –cache=yes to enable cache

Universal Media Server

downloads

• uget
• wget
  • –mirror –convert-links –adjust-extension –page-requisites –no-parent
  • equivalent to -mkEpnp, used to mirror a site locally

window manager

• openbox

font

• fonts-jetbrains-mono
• fonts-noto

source control

• git, tig

editor

• neovim
  • remap capslock to escape
  • setxkbmap -option caps:escape
• ipe

launcher

• dmenu from suckless-tools

lockscreen

• xtrlock

shell

• zsh

viewer

• feh
• mupdf
• foliate, epub reader

system

• wajig
  • logs in ~/.wajig/hostname/Log
  • toupgrade
• nvidia-driver nvidia-settings

install

• chrome
• universal-ctags
• mplayer mencoder
• pavucontrol
• libreoffice
• postgresql-9.3-postgis-2.1 postgis pgadmin3
• parallel
• xclip
• ttf-mscorefonts-installer
• texlive-latex-recommended
• texlive-extra-utils
  • includes pdfjam
• ledger
• peek
  • screen recording

install steam

• dpkg –add-architecture i386
• install nvidia-driver-libs:i386
• install steam-installer

install chinese input

• ibus-pinyin ibus-gtk ibus-gtk3
• preferences -> startup applications -> add “/usr/bin/ibus-daemon -drx”

remove

• mdm (login manager)
• mint-mdm-themes

edit

• /etc/default/grub to remove slient splash, add nomodeset
• sudo update-grub
• /etc/X11/xorg.conf.d/20-nvidia.conf

setup config files

• .emacs -> bin/.emacs
• .emacs-after-init -> bin/.emacs-after-init
• .fonts.conf -> /home/melvin/.config/fontconfig/fonts.conf
• .mailcap -> /home/melvin/bin/.mailcap