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LPI has released an inspiring new video as part of its rebranding exercise.

Editor's note: this is a direct link to the youtube video.

Process substitution can unlock a whole new dimension to your command line fu!

Postgres has many fail over and high availability options. This post is the 2nd in the backup and high availability configuration options for Postgres. It covers the built-in options only and does not look at the many plug-ins and 3rd party solutions that are available.

PostgreSQL built in backup and restore options can be confusing at first but are relatively easy to set up and configure once you understand the basics. This post set out the backup options from using pgdump to continuous archiving with log shipping.

Some thoughts on the South African Cyber Crime and Cyber Security bill.

In the IT sector, for example, it seems tertiary training institutions are completely unaware of the massive shifts that have occurred in the IT industry since 2003.

Using John the Ripper to recover partially remembered passwords.

JBoss/Wildfly Java application servers are the go-to solution for many enterprises. This how covers the steps needed to configure JBoss or Wildfly in domain mode.

What is the best practice when it comes to password hashing and what are the issue to consider when implement a password hashing scheme in your application? This article, based on the Certified Ethical Hacker (CEH) course objectives, cover the basics of password hashing, the issues to consider and how to use the bcrypt algorithm to encrypt your applications passwords.

An post on Postgresql's JSON data type and JavaScript support from Jumping Bean, a Postgresql consulting and training firm.

IPv6 is coming! Or so we have been hearing for years, yet despite sys admins bracing themselves for years the great IPv4 crunch hasn't happened yet, although it is getting tighter. In the mean-time how can one get some experience with IPv6? Most tutorial focus on setting up tunnels, is fragmentary and incomplete. This post hopes to provide a complete step by step guide to setting up your own IPv6 and in the process highlight some challenges with IPv6 in an IPv4 world.

Creating tunnels with Linux is easy and can provide an easy solution to some complex networking problems. Most are familiar with encrypted tunnels such as VPNs and SOCKS proxies via SSH. In the mixed IPv6 and IPv4 in which we live tunnels are often a necessity to ensure connectivity between disconnected networks.

A tool written in Javascript using the AngularJS framework to allow system administrators to upload Java VM garbage collection logs and graph memory usage.

How a South African free software company built a simple, proof-of-concept solution for a Universities nuclear science department using just bash and Linux utilities. The unique set of requirements, that it be built in a way that was easy for student and lecturers, with a limited set of bash scripting and Fortran skills, made for an interesting solutions and demonstrates what can be achieved with bash and a set of powerful, single purpose Linux command line utilities.

Jumping Bean announces the launch of its PHP training courses to meet growing demand for PHP developers in South Africa.

A tutorial on how to implement deep copy cloning in PHP using the __clone magic method

Jumping Bean appointed Alfresco Training Partner for South Africa

The new LPI Linux Essentials exam was launched at LinuxTag this week and Linup Front released their e-book on Linux Essentials at the same time under a creative commons license.

Isn't it time we promoted Linux administration as a career choice?

How to speed up web site performance by using Apache directives to control http cache headers