We have a lot of switches and the serverguys never know where they put their server when they need help with something. This is a common problem for most network techs I pressume. (At least almost everyone I have ever met). Now there’s quite a few switch portmappers out there you can buy but I [...]
You often gets device busy when you try to umount some filesystem that’s being used by some obscure process. # umount /var umount: /var: device is busy umount: /var: device is busy This is a way of finding out which processes that occupies your files.: # fuser -m /dev/xvdb /dev/xvdb: 1505 Now you have the [...]
I always forget how to check what directory gets filled up in my filesystem so I will put it here instead. du Is a great tool for this.
We’re running a lot of Xen virtual hosts.It’s really easy to duplicate server for different function, for instance web. I do it from time to time but I constantly forget how to get IIS up and running again after the hostname / ipchange since the websites doesn’t start. Therefore I have done a quick guide [...]