Create primary key in MySQL
It is often very useful for each row in a MySQL database table to have a unique primary key. The easiest way to implement this […]
Month: September 2011
How to Show MySQL Variables
To obtain a complete list of mysql variables it is best to have the mysql service started. Then log in via the command line and […]
Install a VNC Server on Linux
To install a VNC server on linux you can use a built-in package manager to perform the initial install. On Cenots linux it is Tiger […]
Record a Linux Desktop
There are many tools that can record linux desktops and convert them into screen casting or videos. The quickest and easiest tool to use is […]
Install Desktop on Centos 6
It used the be the case in previous versions of CentOS that one could install a gnome desktop or kde desktop by using yum groupinstall. […]
Windows 8 Coming to Tablets?
In early 2011, Microsoft announced that Windows 8 would have support for ARM microprocessors. This is a great step since many mobile devices such as […]
Sun Grid Engine for Linux
The previously “Sun Grid Engine” (SGE) now “Oracle Grid Engine” is a useful job scheduler that will allow one to effectively dispatch jobs to compute […]
Edit a crontab in Linux
Cron is a great feature which can allow you perform tasks on a scheduled basis. For example, if one wanted to execute some script, each […]
Optimizng my.cnf in mysql
MySQL has a considerable number of optimizations available. The easier way to modify mysql to set limits or expand available resources is by the “/etc/my.cnf” […]
Using pgrep on linux
pgrep is a useful tool that can allow one to grep a process by name and return it’s id. From the pgrep manpage it will […]