I recently wanted to look at some packet captures on my NTP pool servers and find out if any NTP clients hitting my servers use extension fields or legacy MACs. Because the overall number of NTP packets is quite large, I didn't want to spool all...
Tonight i was working on getting a client's Zimbra SSL configuration up to scratch, and found it somewhat difficult to get our server to make Qualys' SSL Labs scanner happy. I was working from the following Zimbra wiki pages:...
I've been doing a lot of work with Vyatta of late, and one of the great things about having a router based on Debian is that you can combine Cisco-/Juniper-style CLI with Linux goodies. One of my favourite Linux utilities is watch, which just...
Seeing progress of a long-running Linux process During the server migration mentioned in part 1, i wanted to see what a long-running rsync process was doing. Because we had done several presyncs of the data before the outage window, there was...
Server migrations with file system structure changes Last night i completed a P2V migration of a 2 TB Linux file server. It was running on an old IBM x306 server with cheap SATA disks, and we were migrating it to a VMware environment with a...
I've been working on a server consolidation project over the past few months in preparation for moving a small corporate server room into a hosted data centre. I spent much of last night and this morning working on one of the final milestones,...
At one client site, we've recently moved from tape to disk for our offline backup storage medium. We debated what to do with the old tape loader and tapes, and concluded that we would never go back and so should get rid of them entirely. I was...
I've had a few problems over recent weeks on both Ubuntu karmic (9.10) and lucid (10.04) whereby web pages built on Flash player (such as ABC iView) would display a large error screen proclaiming that Flash player had crashed. I first saw it on...