On Thu, 3 Sep 2009, Detlev Habicht wrote:

Hi all,

is there a recommended way to patch Linux?

I am working normally more with Solaris, so i have some knowhow problems
with Linux.

My problem in one example:

When i want to use Sun Ray Software 5 and Sun Ray Soft Client 1.0 Early Access 1 (EA1), i
see as platform Red Hat Enterprise Linux 5 U3.

When i install RHEL 5.3 and start package update (or in the past up2date) i will
get all patches and then i am running RHEL 5.4 now.

So, what can i patch? Can i patch the kernel or can i only use the kernel coming with 5.3? When i use the initial kernel from 5.3, can i patch all the other packages?

I usually do default install of latest RHEL server

Then i update it (i used to run SRSS 4.0 on RHEL 4u6)
(Right now I'm using RHEL-server 5u3 + all updates and SRSS 4.2 EA1)

Then i install the packages SRSS need

Then i install srss (reboots and stuff)

--

I run system updates now and then.
If I forget GDM I'm usually stuck, sometimes I reinstall
If the kernel is updated I usually loose sound and USB
but then I run this:

1. update kernel
2. reboot
3. run this:

#!/bin/sh
cd /usr/src/SUNWut
cd utadem
make
make install
cd ..
cd utdisk
make
make install
cd ..
cd utio
make
make install
cd ..
/sbin/depmod -a
/etc/init.d/utsyscfg start

and then it works again - like new!

--

I'm still experimenting with SRSS 4.2 EA1 and RHEL 5
I just put it in production - I have lot's of problems, mostly with RHEL 5 being less mature than RHEL 4.

I miss having fonts in emacs but I don't miss the lack of Firefox 3 in RHEL 4

When I'm done with my experiments I will as usual put out a complete howto on my SRSS-linux page.

 -- Alexander

------------------------------------------------------------------------
Alexander Koponen                                   System Administrator
Institut Mittag-Leffler                           phone: +46 8 622 05 75
Auravagen 17                                        fax: +46 8 622 05 89
SE-182 60 DJURSHOLM                            [email protected]
SWEDEN                                     http://www.mittag-leffler.se/



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