Basics of BackupsBasics of Backups
I’ve recently had some discussions about backups with people who aren’t computer experts, so I decided to blog about this for the benefit of everyone. Note that this post will[...]
SSD and M.2SSD and M.2
The Need for Speed One of my clients has an important server running ZFS. They need to have a filesystem that detects corruption, while regular RAID is good for the[...]
802.1x Authentication on Debian802.1x Authentication on Debian
I recently had to setup some Linux workstations with 802.1x authentication (described as “Ethernet authentication”) to connect to a smart switch. The most useful web site I found was the[...]
Nexus 6P and Galaxy S5 MiniNexus 6P and Galaxy S5 Mini
Just over a month ago I ordered a new Nexus 6P [1]. I’ve had it for over a month now and it’s time to review it and the Samsung Galaxy[...]
CoalitionsCoalitions
In Australia we are about to have a federal election, so we inevitably have a lot of stupid commentary and propaganda about politics. One thing that always annoys me is[...]
Sysadmin Skills and University DegreesSysadmin Skills and University Degrees
I think that a major deficiency in Computer Science degrees is the lack of sysadmin training. Version Control The first thing that needs to be added is the basics of[...]
I Just Ordered a Nexus 6PI Just Ordered a Nexus 6P
Last year I wrote a long-term review of Android phones [1]. I noted that my Galaxy Note 3 only needed to last another 4 months to be the longest I’ve[...]
Xen CPU Use per Domain againXen CPU Use per Domain again
8 years ago I wrote a script to summarise Xen CPU use per domain [1]. Since then changes to Xen required changes to the script. I have new versions for[...]
BIND Configuration FilesBIND Configuration Files
I’ve recently been setting up more monitoring etc to increase the reliability of servers I run. One ongoing issue with computer reliability is any case where a person enters the[...]
Ethernet Interface Naming With SystemdEthernet Interface Naming With Systemd
Systemd has a new way of specifying names for Ethernet interfaces as documented in systemd.link(5). The Debian package should keep working with the old 70-persistent-net.rules file, but I had a[...]