Showing posts with the label upgrade RHEL from 7.2 to 7.4 - install unzip rpm - unzip zip file - upgrade RHEL from ISO file

upgrade RHEL from 7.2 to 7.4 - offline

Hello, I would like to share my RHEL offline upgrade adventure  after realising that no internet connection in the server. First of all, I was lucky to have RHEL 7.4 iso file which was compressed with .zip in the RHEL 7.2 server. Logic is simple; - unzip RHEL 7.4 file to reveal .iso - mount it to the server - configure YUM for upgrade - upgrade server. I could not be succeed at my first attempt due to "command not found" message while unpackaging archieve file ;  unzip then I found unzip-6.0-1.el6.x86_64.rpm in internet and copied to server after that I run following command in order to install unzip RPM yum install unzip-6.0-1.el6.x86_64.rpm System is now ready to execute;  unzip I eventually handle ISO file. It was good time to mount ISO file to start upgrade process: 1- make directory which will host ISO file as a new drive mkdir /media/rhel74 2- mount iso file to the newly cre