Tags » Linux

Persistent block device naming

Linux’s ext2/ext3 filesystem uses UUID to identify partitions.

If your machine has more than one SATA, SCSI or IDE disk controller, the order in which their corresponding device nodes are added is arbitrary. 271 more words


Setting up Open Chef Server and a Workstation

The quick and dirty way…

Prep work

For me, I stood up two Centos 6.5 instances in virtualbox. I did the basics of installing the EPEL repo, groupinstall of “Base” and “developer tools” in YUM, setup and configured a user for myself. 648 more words


Bash tips & tricks - Expanding parameters

A parameter is something that stores value and is reference by a name. This are also known as bash variable or simply variables.

Often we’d like to get values from the parameters, this procedure is called parameter expansion.


Remove definers from MySQL DUMP in Linux

Dump file created using mysqldump in Linux, includes a clause named “DEFINER”. As of now there is no way to exclude this clause in mysqldump. 130 more words


Raspberry Pi Digital Signage

I recently helped out the Dunedin Gasworks Museum with creating their digital signage system using a Raspberry Pi.  The aim was to create a system that was very easy to use and update the content, but at a low cost. 293 more words


Using bcache with existing data (SSD caching in Linux)

This is a toutorial on how to install BCache on Linux. You should read through the whole thing before beginning.

Many computers have SSD drives for speed. 801 more words


OpenLdap server setup

How to do a Basic install and configuration of a basic OpenLDAP server on Ubuntu (or most Debian based distro’s).


LDAP, or Lightweight Directory Access Protocol, is a protocol for managing related information through the use of a file and directory hierarchy from a centralized location. 491 more words