2024-10-24 12:40:05 +02:00
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#!/bin/bash
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######################################################################################
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# Date: 23062022 Author: Allan Desc: Configuring Ubuntu server 22.04 for initial use #
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######################################################################################
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#
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# Are we root
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#
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if [[ $(id -u) -ne 0 ]]; then printf "\nMust be root or use sudo!\n\n"; exit; fi
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#
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# Are we in the right directory
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#
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scriptdir="unattended-updates" && whereami=$(pwd |awk -F'/' '{print $NF}')
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if [ $whereami != $scriptdir ]; then printf "\nWrong directory! Script must be run from $scriptdir\n\n"; exit 1; fi
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#
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# Define variables and functions
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#
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config1="/etc/apt/apt.conf.d/20auto-upgrades"
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config1alt="/usr/share/unattended-upgrades/20auto-upgrades"
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config2="/etc/apt/apt.conf.d/50unattended-upgrades"
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confgi2alt="/usr/share/unattended-upgrades/50unattended-upgrades"
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#
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# Function to check if 20auto-upgrades or 50unattended-upgrades exists, if not copy them from alternative location.
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#
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chkcfg () { if [ -f $config ]; then : ; else echo "No Go $config $configalt" ; cp -Rp $configalt $config ; fi; }
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#
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# install unattended-upgrades and update-notifier-common
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#
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apt install -y unattended-upgrades
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apt install -y update-notifier-common
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#
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# Run checkcfg against 20auto-upgrades and 50unattended-upgrades and create them if needed
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#
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config="$config1" ; configalt="$config1alt" ; chkcfg $config $configalt
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config="$config2" ; configalt="$config2alt" ; chkcfg $config $configalt
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#
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2024-11-08 12:10:24 +01:00
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# Back up configuration files.
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#
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cp -Rp /etc/apt/apt.conf.d/20auto-upgrades /etc/apt/apt.conf.d/20auto-upgrades.orig
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cp -Rp /etc/apt/apt.conf.d/50unattended-upgrades /etc/apt/apt.conf.d/50unattended-upgrades.orig
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#
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2024-10-24 12:40:05 +02:00
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# Disable automatic updates. We want to be in control instead of letting the system do this randomly twice a day.
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#
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sed -i 's/1/0/g' /etc/apt/apt.conf.d/20auto-upgrades
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#
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# Configure update behaviour, this means besides security also enable package updates.
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#
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sed -i '/${distro_id}:${distro_codename}-updates/ s/^\/\///' /etc/apt/apt.conf.d/50unattended-upgrades
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#
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# Optional: Uncomment the next 2 lines for removal of unused packages this equals apt autoremove
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# ||
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# \/
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# sed -i '\/\/Unattended-Upgrade::Remove-Unused-Dependencies "false"/ s/^\/\///' /etc/apt/apt.conf.d/50unattended-upgrades
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# sed -i 's/Remove-Unused-Dependencies "false"/Remove-Unused-Dependencies "true"/' /etc/apt/apt.conf.d/50unattended-upgrades
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# /\
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# ||
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# Optional: Uncomment the next 2 lines for removal of unused packages this equals apt autoremove
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# Optionnal: Uncomment line 1 and 2 for reboot if needed. Uncommment line 3 for reboot even if users are logged in.
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# ||
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# \/
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# sed -i '\/\/Unattended-Upgrade::Automatic-Reboot "false"/ s/^\/\///' /etc/apt/apt.conf.d/50unattended-upgrades
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# sed -i 's/Automatic-Reboot "false"/Automatic-Reboot "true"/' /etc/apt/apt.conf.d/50unattended-upgrades
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# sed -i '\/\/Unattended-Upgrade::Automatic-Reboot-WithUsers/ s/^\/\///' /etc/apt/apt.conf.d/50unattended-upgrades
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# /\
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# ||
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# Optionnal: Uncomment line 1 and 2 for reboot if needed. Uncommment line 3 for reboot even if users are logged in.
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#
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# Create cronjob running every sunday at 04:00
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#
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cronjob01="0 4 * * 7 root /usr/bin/apt update && /usr/bin/unattended-upgrade -v >/dev/null 2>&1"
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echo "$cronjob01" > /etc/cron.d/updatesystem
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#
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# Restart unatended upgrades and cron.
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#
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systemctl restart unattended-upgrades.service
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systemctl restart cron.service
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#
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# End of script
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#
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