System Adminstration

Best Practices in Problem Determination – Service Linux

Best practices in IT support and system administration involve not only possessing technical expertise but also knowing how to wield…

9 years ago

Open Source SysAdmin Resources

Open Source SysAdmin Resources are invaluable assets for modern IT professionals tasked with managing and maintaining complex systems. In the…

9 years ago

How to become a Linux Guru

The English Oxford Dictionary describes a guru as somebody who is an influential teacher or popular expert. How though do…

9 years ago

10 Useful Sudoers Configurations for Setting ‘sudo’ in Linux

A system administrator who assumes the role of the root user can permit other normal system users with the help…

9 years ago

Do you really need home partition on your Linux?

Some people suggest that the swap partition is no longer required. However disk space is cheap and so it does…

9 years ago

Linux tips every geek must know

What separates average Linux users from the super-geeks? Simple: years spent learning the kinds of hacks, tricks, tips and techniques…

9 years ago

Dual-primary DRBD on a Cluster File System using OCFS2 with Encrypted Disk using LUKS

When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of…

10 years ago

A quick guide when providing technical support

Whether your product is an open-source script, a Web application or a downloadable product, you will need to provide some…

10 years ago

DNS master-slave Securing zone transfer with TSIG

Install bind-chroot on both servers # yum install bind-chroot From Primary DNS # dnssec-keygen -a HMAC-MD5 -b 128 -n HOST…

10 years ago

The very powerful ‘ls’ command

An ls (pronouced as el es) utility appeared in the original version of AT&T UNIX. Today, two popular versions of…

10 years ago

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