Central Log Management System is a simple web based logging system which allows logging all syslog messages from various Network Devices, Unix, Linux, Solaris and Windows Servers.

You can prevent automatic running of the GUI when you boot your debian machine by disabling your login manager be it KDM, GDM or XDM from running at boot time.

If you’ve just bought a new desktop,laptop or server and the box says the box is powered by 2 processors, you can actually verify that.

SSH is a great way to remotely administer a server. However, it still has a number of issues when you open it up to the world.

su is run a shell with substitute user and group IDs. su is used to become another user during a login session. Invoked without a username, su defaults to becoming the super user.