install.fairie/docs/scripts/before/run_onchange_before_10-system-tweaks.sh.tmpl.md

title	description	sidebar_label	slug	githubLocation	scriptLocation	repoLocation
Linux System Tweaks	Applies a set of generic Linux system tweaks such as ensuring the hostname is set, setting the timezone, and more	10 Linux System Tweaks	/scripts/before/run_onchange_before_10-system-tweaks.sh.tmpl	https://github.com/megabyte-labs/install.doctor/blob/master/home/.chezmoiscripts/universal/run_onchange_before_10-system-tweaks.sh.tmpl	https://github.com/megabyte-labs/install.doctor/raw/master/home/.chezmoiscripts/universal/run_onchange_before_10-system-tweaks.sh.tmpl	home/.chezmoiscripts/universal/run_onchange_before_10-system-tweaks.sh.tmpl

Linux System Tweaks

Applies a set of generic Linux system tweaks such as ensuring the hostname is set, setting the timezone, and more

Overview

This script applies generic Linux system tweaks that should be made before the rest of the provisioning process.

Source Code

{{- if (eq .host.distro.family "linux") -}}
#!/usr/bin/env bash
# @file Linux System Tweaks
# @brief Applies a set of generic Linux system tweaks such as ensuring the hostname is set, setting the timezone, and more
# @description
#     This script applies generic Linux system tweaks that should be made before the rest of the provisioning process.

{{ includeTemplate "universal/profile-before" }}
{{ includeTemplate "universal/logg-before" }}

### Set hostname (if redefined)
if command -v hostnamectl > /dev/null; then
  # Betelgeuse is the default hostname so only change when it is different
  if [ '{{ .host.hostname }}' != 'Betelgeuse' ]; then
    logg info "Setting hostname to {{ .host.hostname }}"
    sudo hostnamectl set-hostname {{ .host.hostname }}
  fi
fi

### Set timezone
if command -v timedatectl > /dev/null; then
  logg info 'Setting timezone to `{{ .user.timezone }}`'
  sudo timedatectl set-timezone {{ .user.timezone }}
fi

### Modify vm.max_map_count
if command -v sysctl > /dev/null; then
  logg info 'Increasing vm.max_map_count size to 262144'
  sudo sysctl -w vm.max_map_count=262144 > /dev/null
fi
{{ end -}}