jarno / cleanup.sh

#!/bin/sh -eux ## VM cleanup script for generating templates ## ## Download from https://gist.githubusercontent.com/0ranki/a2fb607c41a4112c410befc9be004646/raw/e7f2ce00636170416c2f65b63196358320166624/cleanup.sh major_version="`sed 's/^.\+ release \([.0-9]\+\).*/\1/' /etc/redhat-release | awk -F. '{print $1}'`"; # make sure we use dnf on EL 8+ if [ "$major_version" -ge 8 ]; then pkg_cmd="dnf" else pkg_cmd="yum" fi echo "Remove development and kernel source packages" $pkg_cmd -y remove gcc cpp gc kernel-devel kernel-headers glibc-devel elfutils-libelf-devel glibc-headers kernel-devel kernel-headers if [ "$major_version" -ge 8 ]; then echo "remove orphaned packages" dnf -y autoremove echo "Remove previous kernels that preserved for rollbacks" dnf -y remove -y $(dnf repoquery --installonly --latest-limit=-1 -q) else echo "Remove previous kernels that preserved for rollbacks" if ! command -v package-cleanup >/dev/null 2>&1; then yum -y install yum-utils fi package-cleanup --oldkernels --count=1 -y fi # Avoid ~200 meg firmware package we don't need # this cannot be done in the KS file so we do it here echo "Removing extra firmware packages" $pkg_cmd -y remove linux-firmware echo "clean all package cache information" $pkg_cmd -y clean all --enablerepo=\*; # Clean up network interface persistence rm -f /etc/udev/rules.d/70-persistent-net.rules; mkdir -p /etc/udev/rules.d/70-persistent-net.rules; rm -f /lib/udev/rules.d/75-persistent-net-generator.rules; rm -rf /dev/.udev/; for ndev in `ls -1 /etc/sysconfig/network-scripts/ifcfg-*`; do if [ "`basename $ndev`" != "ifcfg-lo" ]; then sed -i '/^HWADDR/d' "$ndev"; sed -i '/^UUID/d' "$ndev"; fi done echo "truncate any logs that have built up during the install" find /var/log -type f -exec truncate --size=0 {} \; echo "remove the install log" rm -f /root/anaconda-ks.cfg /root/original-ks.cfg echo "remove the contents of /tmp and /var/tmp" rm -rf /tmp/* /var/tmp/* echo "Clear the history so our install commands aren't there" rm -f /root/.wget-hsts