If you are running a VMware virtual Red Hat Linux server then it is very easy to add a new disk. For physical servers with hot add capability this is also possible. I am going to show you how to…
VMware converting RAW disk to VMDK
Convert a Vmware RDM disk to VMDK while guest VM is powered off Power down the guest VM Clone the VM, under select virtual disk format – select Advanced – change the disk format to Thick provisioned. You only need…
Expanding VMware virtual IDE disk for Windows XP
In VMware ESX 4.x the default disk type for Windows XP 32bit virtual machine is IDE. If you did not size your drive correctly, you will be unable to expand this virtual disk later using the VMware management client. But…
Script to power down many Windows servers
If you ever have the need to power down hundreds of Windows servers, then here is a script to do just that. This script will work for Windows 2000, 2003 and 2008. The servers will shut down gracefully. for /F…
Configure the DVD or Linux ISO as software repository for Red Hat Enterprise Linux
You downloaded and installed Red Hat Enterprise Linux on your server becasue you just want to test it out. During installation you selected base server, after installation you realize that you need to install additional packages. But since you did…
SSH Login without password using public key authentiation
On Computer A Create the public and private keys using the command ssh-keygen [root@computerA .ssh]# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same…
