# Upgrade from lenny to squeeze

turn off samhain

	/etc/init.d/samhain stop &&
	mv /etc/rc2.d/S19samhain /etc/rc2.d/K19samhain # and stay down


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

unhold puppet

	echo puppet install | dpkg --set-selections &&
	echo puppet-common install | dpkg --set-selections

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 apt dpkg

rest follows

	apt-get dist-upgrade

use dash as system shell (/bin/sh).

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; puppetd -t; puppetd -t

upgrade once more (security etc)

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

if you are moving from a dsa kernel to a debian kernel, add non-free to sources list, then

	apt-get install firmware-linux

maybe also

	apt-get install firmware-bnx2

if you are an nfs client, make sure to load the module before boot completes:

	echo nfs >> /etc/modules

if you are an autofs node, make sure to load the module before boot completes:

	echo autofs4 >> /etc/modules

These last two are because autofs in particular lazy loads the modules, and it
will happen after we've disabled module loading.

clean up transitions

	dpkg --purge dhcp3-client && apt-get install isc-dhcp-client  # mark as non-auto

Do the same for grub/grub-pc if you did upgrade-from-grub-legacy

	(reboot)
	upgrade-from-grub-legacy
	(reboot)
	apt-get purge grub &&
	apt-get install grub-pc

clean up old libs

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

check for unneeded/obsolete packages

	apt-get autoremove

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

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}'

purge cruft that upgrade doesn't remove

	apt-get remove --purge emacs22-common libxmlrpc-ruby libcap1 emacs22-nox emacs22-bin-common libvolume-id0 gcc-4.2-base ifenslave libopenssl-ruby1.8

re-init samhain

possibly reboot

re-enable exim, samhain

	mv /etc/rc2.d/K02exim4 /etc/rc2.d/S02exim4
	mv /etc/rc2.d/K02samhain /etc/rc2.d/S02samhain
	env -i /etc/init.d/exim4 start
	env -i /etc/init.d/samhain start

	insserv

re-init samhain


### 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