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RHCA Journey | Lab and RHCE Objective Status

Below is a listing of the RHCE Objectives as of January 2019 on Red Hat’s website for the EX300 exam. As this week is lab practice week for me I am starting all of them off as red. This means I’ve not signed off on that objective yet as knowing it forward and backward. Many of them will go quickly over the week as I know them fairly well already, and a few will just need a few hours of practice to ensure I do know them. So this...

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RHCA Journey – Week 3 | Bash Scripting

It’s been about a week since my last post. I was able to finish up the first review of the RHCE material with Red Hat’s training material. I was slowed down however due to taking care of things at home, plus just extra busy days at work. The good news is, I had some extra time I needed to take before my PTO expired so I am taking it now. I’ll have all next week to do some resting, as well as finish my studies for my RHCE....

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RHCA Journey Day 8 – MariaDB | Apache and TLS

It has been a few days since my last post, however, the studying continued on each day. I covered MariaDB, Apache, and TLS just recently. I really enjoyed the topics that I covered over the past few days as I was able to directly apply them to real-world situations with this website. What made this especially fun was that my website is run off all of these. Until today though the site was just run over HTTP, after reading up on getting TLS...

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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...

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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...

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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...

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