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#!/bin/bash
set -e
set -x
export DEBIAN_FRONTEND=noninteractive
# delete interfaces ethernet eth0 address
# delete interfaces ethernet eth0 hw-id
# delete system name-server
cat <<EOF > /home/vyos/cleanup-vyos.sh
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
configure
set system host-name 'vyosbuild'
commit
save
exit
EOF
chmod 0700 /home/vyos/cleanup-vyos.sh
chown vyos:users /home/vyos/cleanup-vyos.sh
su - vyos -c "/home/vyos/cleanup-vyos.sh"
# reconfiguring ssh
rm -f /etc/ssh/ssh_host_*
dpkg-reconfigure openssh-server
# those packages can't be removed since they are needed for next script vyos-install.sh
# apt remove -y \
# python3-pexpect \
# expect
# cleanup apt
rm -f /etc/apt/sources.list.d/debian.list
apt -y autoremove --purge
apt-get clean
# cleanup machine-id
truncate -s 0 /etc/machine-id
# removing /tmp files
rm -rf /tmp/*
# removing log files
rm -rf /var/log/*
rm -rf /home/vyos/cleanup-vyos.sh
# removing history
export HISTFILE=0
rm -f /home/vyos/.bash_history
rm -f /root/.bash_history
# removing disk data
dd if=/dev/zero of=/EMPTY bs=1M || :
rm -f /EMPTY
sync
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