blob: 6645f9ea2e5580f1cfd0729548493cefc909b2e3 [file] [log] [blame]
#!/bin/sh -eux
# Delete all Linux headers
dpkg --list \
| awk '{ print $2 }' \
| grep 'linux-headers' \
| xargs apt-get -y purge;
# 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,
# e.g. 'linux-image-generic', etc.
dpkg --list \
| awk '{ print $2 }' \
| grep 'linux-image-3.*-generic' \
| grep -v `uname -r` \
| xargs apt-get -y purge;
# Delete Linux source
dpkg --list \
| awk '{ print $2 }' \
| grep linux-source \
| xargs apt-get -y purge;
# Delete development packages
dpkg --list \
| awk '{ print $2 }' \
| grep -- '-dev$' \
| xargs apt-get -y purge;
# Delete compilers and other development tools
apt-get -y purge cpp gcc g++;
# Delete X11 libraries
apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6;
# Delete obsolete networking
apt-get -y purge ppp pppconfig pppoeconf;
# Delete oddities
apt-get -y purge popularity-contest;
apt-get -y autoremove;
apt-get -y clean;
# clean up lingering cache files
rm -f /etc/apt/apt.conf.d/01proxy
# Cleanup puppet certs
find /etc/puppet -iname "*base*" -delete
find /var/lib/puppet/ -iname "*apache.org*" -type f -delete
# Finally, enable puppet
puppet agent --enable
# Make sure ssh host keys get regen'd at instance startup
cat > /etc/dhcp/dhclient-exit-hooks.d/sethostname <<'EOM'
#!/bin/sh
# dhclient change hostname script for Ubuntu
# /etc/dhcp/dhclient-exit-hooks.d/sethostname
# logs in /var/log/upstart/network-interface-eth0.log
# for debugging:
echo "cloudstack-sethostname BEGIN"
export
set -x
if [ $reason = "BOUND" ]; then
echo new_ip_address=$new_ip_address
echo new_host_name=$new_host_name
echo new_domain_name=$new_domain_name
oldhostname=$(hostname -s)
if [ $oldhostname != 'localhost' ]; then
# Rename Host
echo $new_host_name > /etc/hostname
hostname -F /etc/hostname
# Update /etc/hosts if needed
TMPHOSTS=/etc/hosts.dhcp.new
if ! grep "$new_ip_address $new_host_name.$new_domain_name $new_host_name" /etc/hosts; then
# Remove the 127.0.1.1 put there by the debian installer
grep -v '127\.0\.1\.1 ' < /etc/hosts > $TMPHOSTS
# Add the our new ip address and name
echo "$new_ip_address $new_host_name.$new_domain_name $new_host_name" >> $TMPHOSTS
mv $TMPHOSTS /etc/hosts
fi
# Recreate SSH2 keys
export DEBIAN_FRONTEND=noninteractive
dpkg-reconfigure openssh-server
fi
fi
echo "cloudstack-sethostname END"
EOM
# set perms on script
chmod 774 /etc/dhcp/dhclient-exit-hooks.d/sethostname
# Reset hostname
hostname localhost
echo "localhost" > /etc/hostname
cat << \EOF > /etc/hosts
127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
EOF
# Cleanup log files
cat /dev/null > /var/log/wtmp 2>/dev/null
logrotate -f /etc/logrotate.conf 2>/dev/null
find /var/log -type f -delete
rm -f /var/lib/dhcp/dhclient.*