install.fairie/home/.chezmoiscripts/linux/run_onchange_before_10-system-tweaks.tmpl

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#!/usr/bin/env bash
{{ includeTemplate "universal/profile" }}
{{ includeTemplate "universal/logg" }}
### 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