Visual Studio Code Tip: Preview Markdown Files
Quick tip for previewing markdown files in Visual Studio Code as you work on them.
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How Windows Server CALs Relate to RDS and Other Products
I discuss a common question of "Do I need both Windows server CALs and CALS for . . ."
Related video:
Windiows Server CALs Explained: https://youtu.be/CWUjbyd2L7M
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3
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RHCE v8 Practice Session: Ansible Control Node: Create a configuration file
Brief discussion creating Ansible configuration files and some live troubleshooting thanks to a misspelling!
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40
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RHCE v8 Practice Session: Ansible Control Node: Create a static host inventory file
Despite me saying "configuration file" mistakenly a couple of times, this is a brief practice session on how to create an Ansible static inventory file.
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39
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RHCE v8 Practice Session: Ansible Control Node: Install required packages
A discussion about enabling the necessary repositories and installing packages for Ansible
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18
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Happy New Year 2022! Life and Channel Update
Brief update for the beginning of 2022.
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69
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RHCE v8 Practice Session: Ansible Core Components: Documentation
The last of the practice sessions in teh Ansible Core Components section. Good 'ole documentation!
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7
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RHCE v8 Practice Session: Ansible Core Components: Configuration files
Continuing the discussion about the Ansible Core Components section of the RHCE objectives with configuration files.
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28
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Viewer Question and Answer Part 1
I give an update on the RHCE practice session video project. Also, I answer two questions from viewers concerning Windows Server licensing and server terminology.
Videos references:
Windows Server Core Licensing Explained
https://www.youtube.com/watch?v=F9ehgj_GxLo
Bare Metal Server? Why you should only install a hypervisor
https://www.youtube.com/watch?v=FUz6AvBr1iI
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47
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RHCE v8 Practice Session: Ansible Core Components: Playbooks
A practice and discovery session regarding Ansible playbooks.
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50
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RHCE v8 Practice Session: Ansible Core Components: Plays
A brief description about plays within Ansible.
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28
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RHCE v8 Practice Session: Ansible Core Components: Facts
A practice session focusing on the basics of Ansible facts.
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22
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Home Lab Adventures: Should You Shave that Yak?
A brief discussion on whether or not you should shave that yak in your home lab.
Short yak shaving definition.
http://www.catb.org/~esr/jargon/html/Y/yak-shaving.html
Good, concise article arguing against yak shaving.
https://seths.blog/2005/03/dont_shave_that/
Check out my GitLab page!
https://gitlab.com/eddiejennings
Check out what I'm doing with Ansible in my home lab!
https://gitlab.com/EddieJennings/home-lab-ansible
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61
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RHCE v8 Practice Session: Ansible Core Components: Variables – Part 1
This is the first of three practice sessions focused on variables in Ansible. In this video I explore variable types, loops with variables, and properties.
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18
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RHCE v8 Practice Session: Ansible Core Components: Variables – Part 3
This is the third of three practice sessions focused on variables in Ansible. In this video I explore special variables and variable precedence.
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4
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RHCE v8 Practice Session: Ansible Core Components: Variables – Part 2
This is the second of three practice sessions focused on variables in Ansible. In this video I explore host vars, group vars, defining variables in an external file, and prompting for variable values.
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30
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Personal update and some Home Lab info
There's a good reason for the couple of weeks delay. Check out the video to find out what's going on!
Also, to follow what I'm doing with the home lab, check out
https://gitlab.com/EddieJennings
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44
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RHCE v8 Practice Session: Ansible Core Components: Modules
In this practice session I focus on what Ansible modules are, how to use them, and how to find documentation about them.
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44
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RHCE v8 Practice Session: Ansible Core Components: Inventories
In this recorded practice session, I am reviewing concepts about inventory files in Ansible. I review default configurations, syntax, and using groups, as well as do some examples to confirm (or find error in) understanding.
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72
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Home Lab Adventures: Reconfiguring Basic Home Lab Network
Finally got around to freeing myself from Google's router! Check out the video to see the basic setup of my home lab's network.
Enjoy!
Errata: At one point I talk about traffic traveling from host to DNS server to router to Internet, yes, I know that's now how stuff works. I must've been thinking about just the DNS query part. :)
Also, I mention "network resolution" I think. Clearly I meant name resolution.
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49
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RHCE v8 Practice Session: Manage security
Final practice session covering the review of RHCSA material relevant to the RHCE exam.
1:53 - Configure firewall settings using firewall-cmd/firewalld
12:32 - Create and use file access control lists
25:28 - Configure key-based authentication for SSH (see below)
25:57 - Set enforcing and permissive modes for SELinux
29:46 - List and identify SELinux file and process context
35:52 - Restore default file contexts
40:04 - Use boolean settings to modify system SELinux settings
42:53 - Diagnose and address routine SELinux policy violations
SSH Key-based authentication is discussed on the first RHCE practice session video:
https://youtu.be/anNIS3KefQc?t=1317
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92
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RHCE v8 Practice Session: Manage users and groups
Another practice session assessing what I remembered of the RHCSA topics -- it was rough, but I got through it.
Topics include:
2:47 - Create, delete, and modify local user accounts
13:12 - Change passwords and adjust password aging for local user accounts
22:42 - Create, delete, and modify local groups and group memberships
23:11 - Configure superuser access
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156
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RHCE v8 Practice Session: Deploy, configure, and maintain systems
Practice session concerning the deploy, configure, and maintain systems objectives.
Topics practiced:
2:42 - Schedule tasks using at and cron
15:35 - Start and stop services and configure services to start automatically at boot
16:02 - Configure systems to boot into a specific target automatically
17:49 - Configure time service clients
25:02 - Install and update software packages from Red Hat Network, a remote repository, or from the local file system
35:30 - Work with package module streams
41:01 - Modify the system bootloader
Errata:
-For baseurl, I should've prepended file://
-For listing the kernel, yum list kernel *was* in fact what I was looking for. Also yum list installed kernel can be used.
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36
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RHCE v8 Practice Session: Create and configure file systems – Part 2
Part two of my practice session with reviewing the RHCE objective "Create and configure file systems."
Here are the topics discussed:
3:11 - Create and configure set-GID directories for collaboration
12:18 - Diagnose and correct file permission problems
14:30 - Configure disk compression
32:13 - Manage layered storage
Remember these practice sessions are not authoritative information or tutorials, but rather a recording of myself doing a self-assessment about a month prior to taking the exam. Hopefully it'll be useful to anyone preparing for RHCE
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25
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RHCE v8 Practice Session: Create and configure file systems – Part 1
Practice session for the RHCE exam. This was recorded about a month before the exam (which I later passed). Remember, like all practice session videos, this isn't intended to be authoritative information or a tutorial; however, effort is made to have the information be accurate!
Topics covered:
3:40 - Create, mount, unmount, and use vfat, ext4, and xfs file systems
17:56 - Mount and unmount network file systems using NFS
39:49 - Extend existing logical volumes
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31
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