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106 lines
3.0 KiB
106 lines
3.0 KiB
#!/bin/sh -eux
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echo "remove linux-headers"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep 'linux-headers' \
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| xargs apt-get -y purge;
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echo "remove specific Linux kernels, such as linux-image-3.11.0-15-generic but keeps the current kernel and does not touch the virtual packages"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep 'linux-image-.*-generic' \
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| grep -v "$(uname -r)" \
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| xargs apt-get -y purge;
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echo "remove old kernel modules packages"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep 'linux-modules-.*-generic' \
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| grep -v "$(uname -r)" \
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| xargs apt-get -y purge;
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echo "remove linux-source package"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep linux-source \
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| xargs apt-get -y purge;
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echo "remove all development packages"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep -- '-dev\(:[a-z0-9]\+\)\?$' \
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| xargs apt-get -y purge;
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echo "remove docs packages"
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dpkg --list \
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| awk '{ print $2 }' \
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| grep -- '-doc$' \
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| xargs apt-get -y purge;
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echo "remove X11 libraries"
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apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6;
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echo "remove obsolete networking packages"
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apt-get -y purge ppp pppconfig pppoeconf;
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echo "remove packages we don't need"
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apt-get -y purge popularity-contest command-not-found friendly-recovery bash-completion laptop-detect motd-news-config usbutils grub-legacy-ec2
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# 22.04+ don't have this
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echo "remove the fonts-ubuntu-font-family-console"
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apt-get -y purge fonts-ubuntu-font-family-console || true;
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# 21.04+ don't have this
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echo "remove the installation-report"
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apt-get -y purge popularity-contest installation-report || true;
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echo "remove the console font"
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apt-get -y purge fonts-ubuntu-console || true;
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echo "removing command-not-found-data"
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# 19.10+ don't have this package so fail gracefully
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apt-get -y purge command-not-found-data || true;
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# Exclude the files we don't need w/o uninstalling linux-firmware
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echo "Setup dpkg excludes for linux-firmware"
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cat <<_EOF_ | cat >> /etc/dpkg/dpkg.cfg.d/excludes
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#BENTO-BEGIN
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path-exclude=/lib/firmware/*
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path-exclude=/usr/share/doc/linux-firmware/*
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#BENTO-END
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_EOF_
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echo "delete the massive firmware files"
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rm -rf /lib/firmware/*
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rm -rf /usr/share/doc/linux-firmware/*
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echo "autoremoving packages and cleaning apt data"
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apt-get -y autoremove;
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apt-get -y clean;
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echo "remove /usr/share/doc/"
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rm -rf /usr/share/doc/*
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echo "remove /var/cache"
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find /var/cache -type f -exec rm -rf {} \;
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echo "truncate any logs that have built up during the install"
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find /var/log -type f -exec truncate --size=0 {} \;
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echo "blank netplan machine-id (DUID) so machines get unique ID generated on boot"
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truncate -s 0 /etc/machine-id
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if test -f /var/lib/dbus/machine-id
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then
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truncate -s 0 /var/lib/dbus/machine-id # if not symlinked to "/etc/machine-id"
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fi
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echo "remove the contents of /tmp and /var/tmp"
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rm -rf /tmp/* /var/tmp/*
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echo "force a new random seed to be generated"
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rm -f /var/lib/systemd/random-seed
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echo "clear the history so our install isn't there"
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rm -f /root/.wget-hsts
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export HISTSIZE=0
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