Linux

RHCSA: Red Hat Permissions

Here is part 3 of the learning Red Hat sessions. This is an overview of everything permissions based. RHCSA MiniSeries Part 1 – How to use Grep and Regular Expressions (RegEx) Part 2 – How to manipulate files in RedHat Part 3 – Red Hat Permissions Part 4 – How...

RHCSA: How to use Grep and Regular Expressions (RegEx) with examples

What is the correct way to learn Red Hat/Linux/RHCSA? This is something I am asked about frequently, so I have put together this miniseries as a starter for RHCSA Certification. The skills required for the RHCSA are quite demanding, it is a very challenging exam, but the RHCSA salary is...

How to Install Python3 on RHEL6

Python is required by a large number of operating system applications. Out of the box, Red Hat 6 versions only support Python2.6, and Red Hat 7 versions only support Python2.7. Both of these versions are deprecated as of January 2021 despite RHEL6 being in an extended life phase. Python will...

How to migrate RedHat 5 to RedHat 6/7/8 (RHEL)

A common task for an administrator is to upgrade the Linux operating system. In many circumstances, it is best not to update the existing system – instead choosing to create a new server and migrate everything over to the new server. The following process will explain how to do this:...

Restarting Websphere (WAS) infrastructure services after a reboot

To restart the Websphere (WAS) infrastructure services after a reboot, the following credentials are necessary for the four stages : WAS CONSOLE PATH: https://Websphereservername:9043/ibm/console/logon.jsp -username wasadmin -password your_password Red Hat Linux -username root -password your_password 1. Start the deployment manager Ssh into the server using the Red Hat credentials above...