Re: [CentOS] New to Centos and have question about updating packages

Now my question is what are the commands for Centos to fetch ,update and install, all the packages installed on the server. I would like to use Yum. Any help would be great.

Welcome Darrell. Here is the summary version:

To install a specific package, such as postfix from a repository that you are configured to get packages from use:

yum install postfix

To update to the newest version of postfix that is in your configured repositories use:

yum update postfix

To update everything in repositories that are configured on your machine use:

yum update

If you are moving between point releases (CentOS 5.1 to CentOS 5.2) use:

yum upgrade

Hope this helps.

Barry