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linux-scripts/auto_pkg_update.sh
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#!/bin/bash
######################################################################################
#### Version 2.01 ####
#### For questions or comments contact@mylinux.work ####
#### Author : Phil Connor ####
#### ####
#### Notes : ####
#### This script is a simple "helper" to configure Auto Updates on linux ####
#### servers. ####
#### ####
#### Use this script at your OWN risk. There is no guarantee whatsoever. ####
#### ####
#### Usage "tuning.sh" or "tuning.sh ssd" if you are running on ssd'd ####
######################################################################################
###########################
#### System Variables ####
###########################
OS=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="' | awk '{print $1}' | tr '[:upper:]' '[:lower:]')
OSVER=$(grep VERSION_ID /etc/os-release | sed 's/VERSION_ID=//g' | tr -d '="' | awk -F. '{print $1}')
aptcnf="/etc/apt/apt.conf.d"
dnfcnf="/etc/dnf/automatic.conf"
yum6cnf="/etc/sysconfig/yum-cron"
yum7cnf="/etc/yum/yum-cron.conf"
###################################
#### Copy to EOF file function ####
###################################
function no_show() {
{
expand | awk 'NR == 1 {match($0, /^ */); l = RLENGTH + 1}
{print substr($0, l)}'
}
}
###########################################################
#### Detect Package Manger from OS and OSVer Variables ####
###########################################################
if [ "${OS}" = ubuntu ]; then
PAKMGR="apt-get -y"
elif [[ ${OS} = centos || ${OS} = red || ${OS} = oracle || ${OS} = rocky || ${OS} = alma ]]; then
if [ "${OSVER}" = 7 ]; then
PAKMGR="yum -y"
fi
if [ "${OSVER}" = 8 ]; then
PAKMGR="dnf -y"
fi
fi
#####################################
#### Install Auto Update Service ####
#####################################
if [[ ${OS} = centos || ${OS} = red || ${OS} = oracle || ${OS} = rocky || ${OS} = alma ]]; then
if [ "${OSVER}" = 6 ] || [ "${OSVER}" = 7 ]; then
${PAKMGR} update
${PAKMGR} install yum-cron
if [ "${OSVER}" = 6 ]; then
chkconfig yum-cron on
chkconfig yum-updatesd off
service yum-updatesd stop
#echo 'exclude= http php* kernel*' >> /etc/yum.conf # <-- If you need to add exclude package from updating
#sed -i 's/YUM_PARAMETER=""/YUM_PARAMETER="-x http -x php* -x kernel*"/g' >> $yum6cnf # <-- If you need to add exclude package from updating
sed -i 's/CHECK_ONLY=yes/CHECK_ONLY=no/g' $yum6cnf
sed -i 's/DOWNLOAD_ONLY=yes/DOWNLOAD_ONLY=no/g' $yum6cnf
sed -i 's/MAILTO=/MAILTO=root/g' $yum6cnf
service yum-cron start
fi
if [ "${OSVER}" = 7 ]; then
sed -i 's/update_cmd = default/update_cmd = security/g' $yum7cnf #<-- comment this out for ALL available upgrades
sed -i 's/apply_updates = no/apply_updates = yes/g' $yum7cnf
sed -i 's/download_updates = no/download_updates = yes/g' $yum7cnf
systemctl enable --nom yum-cron
fi
fi
if [ "${OSVER}" = 8 ] || [ "${OSVER}" = 9 ]; then
${PAKMGR} update
${PAKMGR} install dnf-automatic
sed -i 's/upgrade_type = default/upgrade_type = security/g' $dnfcnf #<-- comment this out for ALL available upgrades
sed -i 's/apply_updates = no/apply_updates = yes/g' $dnfcnf
systemctl enable --now dnf-automatic.timer
fi
elif [ "${OS}" = ubuntu ]; then
${PAKMGR} upgrade
${PAKMGR} install unattended-upgrades apticron
touch $aptcnf/20auto-upgrades
no_show << EOF > $aptcnf/20auto-upgrades
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";
EOF
sed -i 's/\/\/Unattended-Upgrade\:\:Mail "root";/Unattended-Upgrade\:\:Mail "root";/g' $aptcnf/50unattended-upgrades
fi