Excellent article on how to extract almost any piece of metadata from PostgreSQL: Extracting META information from PostgreSQL

Sometimes you have an executable which does not fork to the background, but you need to control it with init scripts, so that it does indeed run in the background. Here's a pretty generic init script for that. It allows you to configure these:

DAEMON_NAME="My Little Daemon"
DAEMON_EXECUTABLE="/opt …

How to find the containing class of a decorated method in Python

Probabilistic Programming and Bayesian Methods for Hackers · GitHub

Tun/Tap interface tutorial

HP seems to have set up a package repository for Ubuntu 12.04, which is an improvement since I last checked a few years ago. To use the repo, add the following line to /etc/apt/sources.list:

deb http://downloads.linux.hp.com/downloads/ManagementComponentPack/ubuntu precise current/non-free …

To get a virtual serial console, you need to enable the iLO virtual serial port. I had mine set up like this:

• iLO 2 Virtual Serial Port: COM2 0x2F8 IRQ 3

I also enabled ssh access in the iLO web interface. This way I can ssh into the iLO and …

I downloaded the firmware from HP site. It was named CP019022.scexe. I tried uploading it in the iLO2 web interface, but it was rejected. Next, I copied it to the server, gave it execute permissions and ran it:

root@host:~# ./CP019022.scexe
./CP019022.scexe: 153: ./CP019022.scexe: pushd: not …

Build configs using Sencha Command

First, make sure you can use public key authentication or similar means to connect to ssh servers without typing in your password all the time.

Install sshfs for mounting remote filesystems over ssh, and afuse for automounting FUSE filesystems (sshfs uses fuse).

sudo apt-get install sshfs afuse

For dead connection …