Re: Upgrading a kernel in a remote server without fears, how
On Thu, Nov 20, 2008 at 04:13:09PM +0100, Arnau wrote:
> Yesterday I went to the data center where our servers are hosted.
> There I tried to upgrade the kernel of one of our servers. It's a Dell
> Poweredge 1950 running a 2.6.18-6-686-bigmem installed via aptitude, no
> manual compilation. I installed linux-image-2.6.26-bpo.1-686-bigmem and
> rebooted it. Afterwards there were no network, drivers problems.
>
> Thanks to I was there I was able to reboot again the server with
> another kernel version.
>
> And here comes my question, is there a way to ensure that the kernel
> will work? I don't think so, but how you do this? upgrade a kernel
> remotely? I have found the grub's fallback option, but I don't think
> it'd solve my problem as the server started fine, the only problem there
> were no network.
The only thing I can think of is if you have grub set up to use a serial
console and have a modem (or a terminal server) connected to the serial
port, or some other way of getting bios and grub console remotely.
Doug.
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