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https://github.com/vagrant-libvirt/vagrant-libvirt.git
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33 lines
1.0 KiB
Bash
33 lines
1.0 KiB
Bash
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#!/bin/sh -eux
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# consider purging any packages you don't need here
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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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# repeat what machine-ids does in sysprep as this script needs to run via customize
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# which has a bug resulting in the machine-ids being regenerated
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if [ -f /etc/machine-id ]
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then
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truncate --size=0 /etc/machine-id
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fi
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if [ -f /var/lib/dbus/machine-id ]
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then
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truncate --size=0 /run/machine-id
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fi
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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 "force a new random seed to be generated"
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rm -f /var/lib/systemd/random-seed
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# for debian based systems ensure host keys regenerated on boot
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if [ -e /usr/sbin/dpkg-reconfigure ]
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then
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printf "@reboot root command bash -c 'export PATH=$PATH:/usr/sbin ; export DEBIAN_FRONTEND=noninteractive ; export DEBCONF_NONINTERACTIVE_SEEN=true ; /usr/sbin/dpkg-reconfigure openssh-server &>/dev/null ; /bin/systemctl restart ssh.service ; rm --force /etc/cron.d/keys'\n" > /etc/cron.d/keys
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fi
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