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What to do if every kernel update break your bootloader settings

November 6th, 2008 by

Perl-Bootloader response for kernel post-install bootloader update script. Current target is ensure, that you have in your bootloader actually kernel and also that entries for old kernel is removed. This is problematic for some complex or manually enhanced configuration. In this case perl-Bootloader should somehow break your settings (this mean you still can boot, but your enhancement or extra sections can dismiss). This should change in future as noticed in bugzilla .

If you want maintain your configuration manually, you can simple set your bootloader to none. There is two ways how you can do it. First is set LOADER_TYPE=”none” in /etc/sysconfig/bootloader. Second is set this in yast2 bootloader. Another advantage is that this take almost no-time, so if obtain hardware configuration for update take to much time, this is workaround.

Warning, if you set bootloader type to none you must manually edit your bootloader configuration after kernel update. What can help you, is set image and initrd to symlinks which lead to actual kernel.

How survive zypper dup on system with bad internet connection

October 30th, 2008 by

Maybe someday you try zypper dup to actualize your distribution and in middle of process it fail, because you are disconnected or some packages is actualized before you download it (especially on factory this can happen). It is more safety download packages at first and then install from this local files.

How todo this is little tricky, at first you must enable caching downloaded files (I do it only for remote connection):

zypper mr –keep-packages –remote

So now you cache all downloaded files and now try testing run of dup. Trick is that all packages download for that test is cached.

zypper dup –dry-run

Now if you have slow connection I reccomend also disable autorefresh for all repositories, because if repository is refreshed before dup, you can easily find that some packages is newer than package in cache and you must download it.

zypper mr –all –no-refresh

Now is everything prepared for zypper dup, which use files from cache. Cache can take quite lot of disk space, so after dup you can clean it.

zypper clean

And thats all. This features work from OpenSuse 11 and you can also use this trick for zypper update or zypper install.