The gaming PC at home had started getting a bit old and it was time to start overclocking. That way it’d be possible to squeeze a few more months out of the machine before the inevitable upgrade. O...

At home we have a 4-disk QNAP box as a file server which hosts photos dating back to the 1990s. Up to recently it was backed up over eSATA to external drives, but it was never a good solution. The ...

When the only thing readily available for stirring your tea is a pile of PCIe brackets 🙂

This week I’m hosting a hands-on OpenStack training for some clients. The ability to perform Live migrations of running instances between hosts is one of the things they want to see and I had setup...

UPDATE: It turns out that installing the new client can cause issues with Keystone. I found this out the hard way yesterday when it failed during a demo, preventing authentication from the command ...

Currently installing a few C6320 servers with RHEL7.1 to create an OpenStack demo cluster. Since all servers need almost identical setups I wrote some Expect scripts but unfortunately didn’t put th...

Just created a private cloud at シルバニア森のキッチン

Detecting speakers / audio devices without logging off can be done by executing: pulseaudio -k && sudo alsa force-reload

Useful commands for modifying port groups and VLAN settings on ESXi. Can be used in scripts of course to do additions / removals / changes in bulk. List vSwitches: esxcli network vswitch standard ...