Category : System Administration

How to Update my Centos 5.7 server  to  the new 6.2 version? Upgrading from 5.7 to 6.2 is a major upgrade, contrary to upgrading your system from 5.6 to 5.7, which is a minor upgrade. … Read more

If you change your Centos Repo and you want to restore the original repos, here are the ones that Centos comes with out of the box: [base] name=CentOS-$releasever – Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #released … Read more

Change hostname vi /etc/hostname vi /etc/hosts Restart Network /etc/init.d/networking restart Change IP address nano /etc/network/interfaces Find Ubuntu version cat /etc/issue.net or cat /etc/lsb/release Upgrade Ubuntu apt-get update apt-get dist-upgrade

This command below is not advertised, but it is the the command to use if you want to clone an existing vm: vmkfstools -i original/orginal.vmdk Destination/dest.vmdk Then go to EXSI and create a new machine … Read more

When you convert or move  a machine to Vmware virtual machine  sometimes the hard drive is locked into the IDE adapter see the image below: I have been Googling around and found this workaround: 1. … Read more