Be smart. Think open source.
Upgrading a SLES11 SP4 system manually.
Boot from installation medium (SLES12SP1) and select "Upgrade":
Choose Language and Keyboard and accept the license agreement:
Select partition to upgrade:
Remove previosly used repositories:
Do not add other products:
Here you can change the setting, befor the upgrade starts:
Check the OS release, kernel version and the repositories:
# cat /etc/os-release # rpm -qa kernel* # zypper lr
Check for any orphaned packages:
# zypper packages --orphaned