CentOS Server Tutorials

Configure SNMP Version 3 to securely access your CentOS server using encryption. This article shows how to quickly set up SNMP versions 1,2 and 3 and then will show you have to make it secure.

Administrators can save a lot of needless writes to the disk by mounting partitions with noatime.  Even if a file is read a write will occur to disk when you are using atime.

A new feature implemented in CentOS 6 are control groups which are provided by the kernel.  Control groups or cgroups, provide a way to control resources used on the system like CPU, memory, bandwidth and other resources.  The use of cgroups will allow an administrator to provide precise control over the allocation, prioritizing, monitoring and managing of resources on the server.

The screen application can be used to make sure users do not leave accounts logged in.  You can set an automatic log out when an idle time has been reached.

This example of a minimal desktop shows how to manually create partitions using ext3 and ext4 for a server that has a minimal desktop for a graphical interface.