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List:       opensuse
Subject:    Re: [opensuse] Accumulating kernels
From:       Basil Chupin <blchupin () iinet ! net ! au>
Date:       2014-07-05 11:04:27
Message-ID: 53B7DBBB.9010008 () iinet ! net ! au
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On 05/07/14 20:29, Patrick Shanahan wrote:
> * Basil Chupin <blchupin@iinet.net.au> [07-05-14 05:46]:
>   [...]
>> The kernel I use comes not from the oS update repo but from the
>> ../Kernel:/stable/standard/ repo, and the first thing I do when I
>> first boot the computer in the morning is to do 'zypper refresh',
>> 'zypper patch', 'zypper up' - so YaST doesn't ever come into the
>> picture. If a new kernel is downloaded I then do 'grub2-mkconfig....'
>> followed by recompiling the nVidia driver to suit the new kernel.
> I also use zypper rather than yast for software/kernel updates, but I fail
> to understand the need to "grub2-mkconfig" as zypper performs that task,
> iiuc???

I have six operating systems installed and use a bootloader (sda1 which 
I mount in /mnt/btldr) which produces the grub menu from which I boot 
the appropriate system I need. At the moment it is either 13.1 or 
Windows 7 Professional - and as soon as I get this 13.2 and Factory 
thing worked out (it's now being tested on the laptop) it will replace 
oS 12.3 Tumbleweed.

With the above, when I install a new kernel I:

* first make backups of the '/mnt/btldr' and the 'boot' directories;

* then edit '/boot' to delete any old kernels, leaving the latest in place;

* run 'grub2-mkconfig......' firstly against '/boot' followed by running 
it against '/mnt/btldr/......' (after mounting the latter of course);

* reboot the system into level 3 where I then compile the nVidia driver;

* then reboot into 13.1 with the latest kernel (with the nVidia driver 
compiled for it).

Following this procedure I then always know where a problem may have 
arisen should things go wrong - in other words, I have a "level playing 
field" so to speak :-) . For example, when one runs 'grub2-mkconfig...." 
while being booted in another oS version, let's say 12.2, then the first 
entry in the boot grub menu will be 12.2 and not 13.1.

But mainly I do what I do is because I manually delete the old kernels 
after I found at one time around 6 of them sitting in '/boot' taking up 
~49MB each - and so I now zap them manually.

BC

-- 
Using openSUSE 13.1, KDE 4.13.2 & kernel 3.15.3-1 on a system with-
AMD FX 8-core 3.6/4.2GHz processor
16GB PC14900/1866MHz Quad Channel RAM
Gigabyte AMD3+ m/board; Gigabyte nVidia GTX660 GPU


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