content top

RHCA Journey – Day 5 – 6 – Email and iSCSI

The weekend I continued on my RHCA Journey with my RHCE studies by covering chapters on configuring email transmission with RHEL. The bigger chapter went over providing remote block storage with iSCSI. Both topics are fairly new to me as it is not something I’ve had to deal with much in the past. Both are topics though that interest me and I want to know more about. The email chapter was fairly basic, just covering relaying local...

Read More

RHCA Journey – Day 4 – DNS and unbound

Day 4 of the RHCA Journey, studying for the RHCE portion, was about DNS. Specifically how it works, how to diagnose DNS issues, as well as how to build an unbound DNS Cache server. One point I found worth noting, was that before blaming the issue on DNS, as we all know that if something is wrong, it is always a problem with DNS, is that we should look into the /etc/nsswitch.conf file and verify the order in which name resolution takes...

Read More

RHCA Journey – Day 3

On day 3 of my RHCA Journey, I went over the topics of firewalld (standard, and rich rules), masquerading, port forwarding, and SELinux. I like Linux security to begin with, so it was a fun chapter for me. As usual though I found a few areas of which I need to work upon, but nothing too difficult, because of man pages. One key thing learn for any Red Hat exam is to understand you may not recall everything, so another good option is to...

Read More

RHCA Journey – Day 2

It was a busy day at work, so I was unable to spend as much time on training today, therefore only one chapter was covered.  It was a good one, and a found a weakness that I need to work on.  On day two I covered network teaming, and software bridges. Now either of those alone, easy.  Just use nmcli and off you go, create the team such as: nmcli con add type team con-name team0 ifname team0 config ‘{“runner”:...

Read More

RHCA Journey – Day 1

Today was the first day of my RHCA goal.  I have three different training options.  I like having more than one, just to help round things off.  Sometimes I end up getting a better sense of something from another source, so having a few options just allows me to learn the material better.  However it’s less of an issue with Red Hat exams as the end result on the exams is what counts, how you get there is up to you. To study I’m...

Read More
content top