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Dotfiles

My dotfiles - use them and contribute your personal changes/suggestions.

Installation

Dotfiles are managed by chezmoi.

A couple of template variables have to be set for proper configuration. Use the sample config file from dot_config/chezmoi/chezmoi.toml.sample and copy it to ~/.config/chezmoi/chezmoi.toml, then set the value accordingly and run chezmoi apply for having the actual dotfiles being put a their right place.

Refer to chezmoi's docs for further details.

Contribution

Pull requests are welcome!

Dependencies

The dotfiles are optimized for the following setup.

General packages

  • 1password-cli
  • arch-audit
  • autorandr github.com/phillipberndt/autorandr
  • bash-completion
  • bat [1]
  • bolt [4]
  • brightnessctl
  • chezmoi
  • ctags
  • devspace-bin
  • diff-so-fancy
  • docker [2]
  • docker-compose
  • dog
  • firefox
  • fwupd
  • git-delta [1]
  • glab
  • gnome-keyring
  • gnu-netcat
  • go
  • gzip
  • helm
  • httpie
  • i3-battery-popup-git
  • i3-scrot
  • ipcalc
  • jless
  • jq
  • k9s
  • kubectl
  • lastpass-cli
  • litecli
  • mkcert
  • msr-tools
  • mtr
  • mycli
  • mysql-workbench
  • neovim
  • osquery
  • pavucontrol
  • percona-server-clients
  • percona-toolkit
  • pgcli
  • picom
  • pigz
  • playerctl
  • polybar
  • postgresql-client
  • pulseaudio-bluetooth
  • pwgen
  • python-pip
  • python-pipx
  • python-pynvim
  • rofi
  • snapd
  • stern
  • tcpdump
  • terminator
  • testssl.sh
  • the_silver_searcher
  • thunderbird
  • tmux [3]
  • tree-sitter-cli
  • unzip
  • whois
  • xclip
  • xss-lock
  • yubioath-desktop

Fonts

  • ttf-dejavu
  • ttf-font-awesome
  • ttf-joypixels

AUR

  • certigo
  • csvtools-git
  • google-chrome
  • kind-bin
  • nvm
  • postman-bin
  • tmuxinator
  • unimatrix-git
  • xidlehook (screensaver)

Snap packages

n/a

Composer

composer global require consolidation/cgr

nvm

Most important commands are:

nvm install --lts # Installing most recent LTS version
nvm alias default node # Alias most recent node version as default
nvm use default # Use most recent version
nvm install-latest-npm # Upgrade npm to the latest version

npm

The following npm packages are considered as standard. Install them via npm install --global [packages]:

  • @vue/cli
  • create-react-app
  • neovim

yarn

Install yarn via npm. Let yarn manage itself by re-installing yarn globally and removing it afterwards via npm again.

npm -g install yarn
yarn global add yarn
npm -g remove yarn

PIP

pipx install python-language-server # (coc-python)

Bash completion

Addendum

Syntax highlight with bat and cat [1]

As a special case, in order to have syntax highlighting for PHP work with bat in combination with delta diffs, refer to these instructions.

It's necessary to perform this step, whenever bat gets updated.

Docker post-installation [2]

By default, the docker installation requires some manual actions. For instance, the docker daemon is not started automatically. It's required to run sudo systemctl start docker after the installation and likewise, it's required to run every docker command with sudo. For convenience, you'd typically want to run these commands once (based on Docker's official docs:

# Start docker and containerd daemon upon boot
sudo systemctl enable docker.service
sudo systemctl enable containerd.service

# Run docker commands root-less
sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker

Install tmux plugins [3]

After tmux has been installed, run the following commands in order to install and setup tmux plugin manager (TPM) for the first time. The following commands below will clone TPM's source code and install it at the right location, then type; Ctrl + SPACE + I in order to actually install tmux plugins.

git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

sudo password indicator

When using sudo, it's convenient to have a masked password indicator in case sudo requires to enter the user's password. In order to have a password indicator, simply run sudo visudo and add the following lines below.

# Have a masked password indicator, when typing the password for sudo
Defaults pwfeedback

Pacman tweaks

There are some nice2have tweaks for pacman. Simply add these lines to the /etc/pacman.conf file.

Color
# Add fancy gimmick to progres bar
ILoveCandy

Faillock account lockout

Faillock with cause a temporary account lock for users, who mistype their password too often. Usually, the default values are a lockout of 10 minutes after 3 failed attempts. In case this is unwanted, disable faillock like so by modifying /etc/security/faillock.conf (source: Arch Wiki - Security):

 #
 # Only track failed user authentications attempts for local users
 # in /etc/passwd and ignore centralized (AD, IdM, LDAP, etc.) users.
 # The `faillock` command will also no longer track user failed
 # authentication attempts. Enabling this option will prevent a
 # double-lockout scenario where a user is locked out locally and
 # in the centralized mechanism.
 # Enabled if option is present.
 # local_users_only
 #
 # Deny access if the number of consecutive authentication failures
 # for this user during the recent interval exceeds n tries.
 # The default is 3.
-# deny = 3
+deny = 0
 #
 # The length of the interval during which the consecutive
 # authentication failures must happen for the user account
 # lock out is <replaceable>n</replaceable> seconds.
 # The default is 900 (15 minutes).
 # fail_interval = 900
 #

Handling lid-switch, power key pressing and similar

The handling of certain hardware events like lid-switch, short or long pressing of power key, etc., are handled by systemd's systemd-logind.service.

The default settings may be viewed by running systemd-analyze cat-config systemd/logind.conf. In order to override default behavior place the following sample snippet below into a /etc/systemd/logind.conf.d/*.conf file (e.g. /etc/systemd/logind.conf.d/00-override.conf), then restart the process via sudo systemctl restart systemd-logind.service.

[Login]
HandlePowerKey=suspend
HandlePowerKeyLongPress=poweroff
HandleLidSwitch=suspend
HandleLidSwitchExternalPower=suspend
HandleLidSwitchDocked=ignore

CPU clock modulation fix

Some Dell XPS devices may become slow after system wakeups. This is due to aggressive suspend settings in clock modulation settings.

To fix this issue, add the systemd unit file to /etc/systemd/system/msr-fix.service, then enable it via sudo systemctl enable msr-fix.service. The unit file will explicitly reset the necessary CPU register.

[Unit]
Description=Fix MSR after wakeup
After=suspend.target

[Service]
User=root
Type=oneshot
ExecStart=wrmsr -a 0x19a 0x0

[Install]
WantedBy=suspend.target

Fix hotplug issue with Thunderbolt [4]

Given the following symptoms:

Devices, connected via Thunderbolt don't work if "hot plugged in" (that is, after the OS has booted). However, if the device is connected at cold boot time, the device works mystically. In particular, to a Dock connected devices like keyboards and mouses don't assume to have any powered state (e.g. the laser pointer of a mouse remains switched off).

This is due to the OS' security settings. The OS - by default - protects against DMA attacks such as Thunderstrike, by setting the security mode to user or secure. So the in some form or another, we have to "approve" the connected device.

One way to simply get away with it, is to add a udev rule to /etc/udev/rules.d/99-removable.rules, which just authorizes essentially every hot-plugged Thunderbolt device:

ACTION=="add", SUBSYSTEM=="thunderbolt", ATTR{authorized}=="0", ATTR{authorized}="1"

The rule will become effective after the next reboot, however you can also avoid a reboot by live-reloading udev rules:

sudo udevadm control --reload-rules
sudo udevadm trigger

However, a much simpler approach would be actually authorizing the device via bolt.

Sources:

GPG keyservers

My GPG keys are generally distributed via the following public keyservers:

  • keys.openpgp.org
  • keyserver.ubuntu.com
  • pgp.mit.edu