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[...]
UnikernelsUnikernels
At LCA I attended a talk about Unikernels. Here are the reasons why I think that they are a bad idea: Single Address Space According to the Unikernel Wikipedia page[...]
Compatibility and a Linux Community ServerCompatibility and a Linux Community Server
Compatibility/interoperability is a good thing. It’s generally good for systems on the Internet to be capable of communicating with as many systems as possible. Unfortunately it’s not always possible as[...]
Using LetsEncryptUsing LetsEncrypt
Lets Encrypt is a new service to provide free SSL keys [1]. I’ve just set it up on a few servers that I run. Issues The first thing to note[...]
Finding Storage Performance ProblemsFinding Storage Performance Problems
Here are some basic things to do when debugging storage performance problems on Linux. It’s deliberately not an advanced guide, I might write about more advanced things in a later[...]
Sociological Images 2015Sociological Images 2015
The above sign was at the Melbourne Docks in December 2014 when I was returning from a cruise. I have no idea why there are 3 men and 1 woman[...]