# Upgrade from lenny to squeeze

turn off samhain

	/etc/init.d/samhain stop


maybe turn off exim

	/etc/init.d/exim4 stop &&
	mv /etc/rc2.d/S20exim4 /etc/rc2.d/K20exim4 # so it stays down


install deborphan, clean up

	apt-get install deborphan dialog
	orphaner
	orphaner -n
	orphaner -a
	orphaner -a -n


purge removed packages

	dpkg --get-selections | awk '$2=="deinstall" {print $1}'
	echo "really purge these [y/N]?" && read ans && [ "$ans" = "y" ] && dpkg --purge `dpkg --get-selections | awk '$2=="deinstall" {print $1}'`
	echo "These are not at install:" && dpkg --get-selections | awk '$2!="install" {print $1}'

change sources list entries to squeeze:

	cd /etc/apt/sources.list.d && sed -i "s#lenny#squeeze#g" debian.list

update apt list

	apt-get update

upgrade

	apt-get install locales-all

rest follows

	apt-get dist-upgrade


reject changes to /etc/pam.d/sudo (puppet will install a new file later anyway)

reject changes to /etc/munin/plugin-conf.d/munin-node (puppet will install a new file later anyway)

 * keep local (i.e. reject (N)):
  * all changes relating to exim  (in /etc/exim4 and in logrotate)
  * /etc/ldap/ldap.conf
  * /etc/nagios/nrpe.cfg
  * /etc/samhain/samhainrc
  * /etc/munin/munin-node.conf
  * /etc/logrotate.d/apache2
  * /etc/apache2/apache2.conf
  * /etc/apache2/ports.conf

update nagios.git (add host to squeeze hostgroup)

update dsa-puppet.git (add to squeeze list in local.yaml)

do a puppet run:

	puppetd -t

upgrade once more (security etc)

	apt-get update && apt-get dist-upgrade

rest follows

	apt-get dist-upgrade

check for obsolete packages

	/usr/lib/nagios/plugins/dsa-check-packages

clean up old libs

	orphaner
	orphaner -n
	orphaner -a
	orphaner -a -n


purge removed packages

	dpkg --get-selections | awk '$2=="deinstall" {print $1}'
	echo "really purge these [y/N]?" && read ans && [ "$ans" = "y" ] && dpkg --purge `dpkg --get-selections | awk '$2=="deinstall" {print $1}'`
	echo "These are not at install:" && dpkg --get-selections | awk '$2!="install" {print $1}'

possibly reboot

re-enable exim

	mv /etc/rc2.d/K20exim4 /etc/rc2.d/S20exim4
	env -i /etc/init.d/exim4 start


### Problems with CCISS

On custom kernels in squeeze it seems that udev stopped to create cciss devices, thus in /lib/udev/devices do a /dev/MAKEDEV cciss and reboot.

	cd /lib/udev/devices
	/dev/MAKEDEV cciss