[Labs-l] Unable to access one instance

Thu Apr 10 08:16:49 UTC 2014

2014-04-10 11:05 GMT+03:00 Andrew Bogott <abogott at wikimedia.org>:
> On 4/10/14 10:57 AM, Niklas Laxström wrote:
>>
>> I was updating language-replag-(wiki|master|slave) instances and rebooting
>> them.
>
> When you say 'update' do you mean upgrading the OS version?  Or a more
> selective upgrade?
>
> If you did something like dist-upgrade then the instance is most likely gone
> for good... I've never seen a VM survive that.

Just the packages. I probably used the 'apt-get dist-upgrade' command
to force PHP downgrade in. I thought it was safe as it did not break
the other instances.

>> After reboot language-replag-master no longer lets me in, it says
>> "Permission denied (publickey)."
>>
>> Can anything be done to restore access to it apart from reinstalling?
>
> I'm not sure.  My root key doesn't work either, which suggests it may be a
> networking issue.  If you're able to reinstall I recommend it; otherwise I
> can try to remotely mount the drive and monkey with it... I'm unlikely to
> have time for that until next week though.

Reinstalling will take couple of hours, but at least I can do that
immediately and get an updated image.

  -Niklas