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On Saturday 25 Feb 2012 02:32:49 Pandu Poluan wrote: |
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> On Feb 25, 2012 9:14 AM, "Grant" <emailgrant@×××××.com> wrote: |
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> > >> I need to test a kernel config change on a remote system. Is there a |
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> > >> safe way to do this? The fallback thing in grub has never worked for |
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> > >> me. When does that ever work? |
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> > > |
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> > > You can press ESC in the Grub screen and it will take you to text-only |
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> |
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> mode. |
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> |
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> > > There, you select an entry, press "e" and edit it. Press ENTER when |
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> |
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> you're |
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> |
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> > > finished, and then press "b" to boot your modified entry. |
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> > > |
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> > > That way, you can boot whatever kernel you want if the current one |
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> |
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> doesn't |
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> |
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> > > work. |
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> > |
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> > I can't do that remotely though. I'm probably asking for something |
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> > that doesn't exist. |
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> > |
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> > - Grant |
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> |
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> Situations like these that made me decide with great conviction to always |
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> deploy my servers virtualized, even if the box in question will only host a |
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> single VM. |
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> |
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> Now, if I lost my intelligence for a couple of seconds and somehow ended up |
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> with a VM that's no longer accessible remotely, I just connect to the |
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> virtual console. |
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> |
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> The flip side? Now I'm getting too daring/careless, and the uptime now |
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> drops below my (self-imposed) target of 99.99% :-P |
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|
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What do you do when you need to upgrade the host, rather than the guest? |
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|
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-- |
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Regards, |
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Mick |
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