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[...]
Author: etbe
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[...]
LUV Server Upgrade to JessieLUV Server Upgrade to Jessie
On Sunday night I started the process of upgrading the LUV server to Debian/Jessie from Debian/Wheezy. My initial plan was to just upgrade Apache first but dependencies required upgrading systemd[...]
Mail Server TrainingMail Server Training
Today I ran a hands-on training session on configuring a MTA with Postfix and Dovecot for LUV. I gave each student a virtual machine running Debian/Jessie with full Internet access[...]
Running a Shell in a Daemon DomainRunning a Shell in a Daemon Domain
allow unconfined_t logrotate_t:process transition; allow logrotate_t { shell_exec_t bin_t }:file entrypoint; allow logrotate_t unconfined_t:fd use; allow logrotate_t unconfined_t:process sigchld; I recently had a problem with SE Linux policy related to[...]
A Long Term Review of Android DevicesA Long Term Review of Android Devices
Xperia X10 My first Android device was The Sony Ericsson Xperia X10i [1]. One of the reasons I chose it was for the large 4″ screen, nowadays the desirable phones[...]
The Purpose of a Code of ConductThe Purpose of a Code of Conduct
On a private mailing list there have been some recent discussions about a Code of Conduct which demonstrate some great misunderstandings. The misunderstandings don’t seem particular to that list so[...]