Setup disk mirroring between two servers using Unison is really simple, recently I have implemented disk mirroring between 2 Centos servers, below are steps which I followed and it is really working very nicely and it support two way communication.…
Author: saurabh
How to setup GRE over IPSEC between two Centos 6 machine
I had recently got chance to implement GRE over IPSEC, Let us consider following as test environment. Site A(Centos 6) :- IP – 192.168.122.66 Ipsec subnet – 10.30.0.0 / 20 Site B(Centos 6) :- IP – 192.168.122.71 Subnet – 10.2.226.0/23…
How to install xen domu on Centos
Steps for installing fresh Domu on Centos6 are as follows :- 1. Download Centos6 iso image and mount it into /opt , I have downloaded iso image in mnt partition. mount -o loop /mnt/Centos.iso /opt 2. Create lvm partition for…
MBR Corrupted (error 15)
I was rebuilding RAID on my production server and due to some unexpected reason sever got rebooted automatically before I could complete grub configuration, MBR got corrupted , was getting error 15 on grub prompt. I had been breaking my…