Thursday, 7 October 2010


I normally have my ~/.ssh/config so that it only uses my key or gssapi to login to other sites, however this poses a problem when reinstalling a server and don't yet have my key on it

ssh -F /dev/null root@hostname
works, but this wasn't working with ssh-copy-id.

Turns out that the ssh-copy-id script is braindead and only expects one or two (with the 1st beginning with -i) arguments.

lo and behold, some single quotes did the trick:

aelwell@pcitgtelwell:~$ ssh-copy-id '-F /dev/null root@concerto'
Are you sure you want to continue connecting (yes/no)? yes
root@concerto's password:
Now try logging into the machine, with "ssh '-F /dev/null root@concerto'", and check in: ....


Wednesday, 6 October 2010

upgrade fail

No I'm not hiring an expensive car, but I certianly won't be using carhire3000 if I do...

Overlaying SLURM job timings on Grafana plots

As you may have noticed, I'm quite fond of Grafana and use it at home and work. One of the dashboards I have at work is the general sta...