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Home lab

I would like to prepare a home lab after the course.  How to make the lab as mentioend like in the course labbook? 

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Flight Engineer Tracy_Baker Flight Engineer
Flight Engineer
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Re: Home lab

If you talking about the RH124, RH134, RH254, or RH294, this isn't going to happen. There is content in the training environment that you can't get access to in a home lab arrangement. I suspect other training courses are the same way.

If you are studying for an RHCSA or RHCE, you can try a third party training resrouce. Michael Jang has a book that explains how to set up a home lab using virtual machines. (This is for RHEL 7)

What I did was to look at the published objectives as set up a lab as best as I could to match them. There were a few things I couldn't, or didn't want to, do - like keys and/or certificates (admittedly, for these items, I had access to an online training environment). Personally, I found that doing it this way really helped learn the material. It also helped me learn different ways to do things and, even more importantly, how to verify my work.

I also used the objectives to develop my own deliverables predicated upon what is taught in the coursework.

Program Lead at Arizona's first Red Hat Academy, est. 2005
Estrella Mountain Community College
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  • 111 Views

Re: Home lab


(admittedly, for these items, I had access to an online training environment)
Tracy, what online training environment did you have?  


 

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Flight Engineer Tracy_Baker Flight Engineer
Flight Engineer
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Re: Home lab

I used a pair of CentOS 7 virtual machines. One has to be careful, though.

The version of RHEL in the classroom environment is 7.0. The version of CentOS (now) is 7.7. I did my studying on 7.3 and 7.5

Examples as to why you have to be careful:

This command works just fine in 7.3+ -- it does not work in 7.0:

nmcli con add con-name Testing type ethernet autoconnect no ifname eth0 ip4 10.0.0.1/24 gw4 10.0.0.254 ipv4.dns 8.8.8.8 +ipv4.dns 8.8.4.4

In 7.0 it generates an error message (concerning the ipv4.dns parts).

Also, in 7.0, if you right-click open a terminal from the GNOME desktop you get ~/Desktop/. If you do this in 7.3+ you get ~/

Even the systemctl status <service> output can look slightly different.

What this told me is that I have to be careful and follow the instructions and examples given for the 7.0 environment - that if I got too used to doing things a certain way in 7.3+ that I could cause errors that need correcting, meaning a loss of time.

And, as we all, know, time is of the essence on the exam.

Program Lead at Arizona's first Red Hat Academy, est. 2005
Estrella Mountain Community College
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