Latest Free Screencasts (page 3)

In the second part of our introduction to the Sysstat utilities, we'll look at Mpstat and Sar. Mpstat is a great little utility to view information about our CPU or CPUs/Cores. Sar is an extremely versatile utilities that, when paired with the sadc daemon, provides extensive system logging and realtime...

Sysstat provides some smaller utilities that can be used to monitor performance and troubleshoot an under preforming Linux/Unix based system. In this episode we'll get introduced to two of those utilities - vmstat and iostat and how they can help us keep things running at peak performance. Next week we'll...

The Bash command prompt can be fairly dull by default. In this episode we add some color to help differentiate between files, executables, symlinks, and directories. We'll also change the format of the command prompt with the current time and better formatting.

GNU Nano is one of my favorite "little" text editors. While Nano is small, it does support some fairly advanced features like syntax highlighting, killing and yanking (copy and pasting), buffer support (think tabs), spell checking, and others. In this episode we'll configure a good initial Nano setup, show how...

Monit is a great open source tool for keeping track of your server or system. Monit can make sure daemons are running, permissions are correct, remote servers are responding, and much more. In this episode we'll show you how to configure Monit to monitor our webserver, Apache HTTPD, starting it...

In this episode we continue the multipart series with some more of my favorite command line tips including a surprisingly little known cd argument, quickly searching the bash_history, a sudo tip, and how to temporarily start a tiny webserver so we can share files with a single command.

In this episode of a multipart series, we go over a couple of tips for the command line including Bash aliases and using pushd and popd to quickly traverse common directories.

Apache JMeter is a great tool to load test your web applications, API, and even databases. In this episode, we go through how to record a short work flow with JMeter and use that to simulate load on a web application.

One of the best changes I've ever made to my computing work flow is swapping my CAPS and CTRL keys. It is much easier on your pinky to hit the CAPS key instead of the standard mapping for CTRL and the CTRL key is used exponentially more than CAPS. In...

Nginx is a great alternative to other webservers like Apache and Lighttpd. If you're looking for something with a bit less overhead and a bit more speed, give it a try. We'll get Nginx compiled from source on Ubuntu 9.04 and get PHP playing nice with it.