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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”:...

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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...

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RHCA Journey

I have decided to make obtaining my RHCA (Red Hat Certified Architect), my primary goal for the year 2019.  I have the RHCSA (Red Hat Certified Systems Administrator) certificate already, so my next step is to step up to the RHCE (Red Hat Certified Engineer).  My goal is to study for and pass the RHCE in the month of January.  After which I will need to pick an additional 5 exams, which I will attempt every two months.  If all goes well,...

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Mounting Linux volumes with systemd vs fstab

Mounting Linux volumes with systemd vs fstab If you have ever done anything more than just an out of the box linux installation you have more than likely worked with fstab to get your volumes to mount. The screenshot to the left shows and example of an fstab file. In this example we are going to look at /dev/sda6 which is mounted to /apps using the XFS file partition and using the defaults. In the sample fstab file you will also notice...

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YUM multilib versions issue

Yum multilib version errors Recently I came across an issue when trying to updating a number of RHEL servers. After issuing the yum update command it would come back with an error stating a multilib version issue and could not proceed due to numerous protected multilib versions. The resolution I first gathered some data that I could use, however in the end for this issue I only really needed the yum check command.  The others are still...

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Setting up an iSCSI Target on a Synology NAS

Setting up an iSCSI Target on a Synology NAS This project was to enable me to migrate my test Virtual machines from their default location of /var/lib/libvirt/images to storage that was not local to the server.  My server has limited physical storage capabilities compared with the 10 TBs of storage on the NAS.  There are probably a few different ways I could have mounted a volume, however I went with iSCSI because I was learning it as one...

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