Author: sandeep sandeep

Installation of Xen on Centos6.

Redhat doesn’t ship Xen hyper-visor or Dom0 compatible kernal with RHEL6. Centos follows it and we have to compile and install the Xen (Dom0)kernel and hyper-visor separately.Still Centos6 can be used as guest virtual machine without any modification to the…

GRE VPN / Tunnel Explained

I had a chance to setup GRE VPN for a customer requirement. Below are the details so that we don’t have to re-invent again.GRE VPN is also called as GRE (Generic Router Encapsulation) tunnel. We need to consider GRE VPN…

Linux Sysadmin qualities.

Our day to day work develops our character. Below are the characters evolves after getting into a Linux Sysadmin. 1. Loves command line. As we move more and more into Linux administration we start disliking the graphical parts and mouse clicking. 2. Always look…