Welcome to Enable Sysadmin
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![Man listening to music while he works](/sysadmin/sites/default/files/2022-02/man-music-hobby-career.jpg)
Consider the variables when planning and executing your AAP or Tower upgrade and learn what makes sense for your scenario.
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![Containers](/sysadmin/sites/default/files/2019-12/Containers%20Cropped.jpg)
Now that your environment has been set up, deploy a sample application on an OpenShift Local cluster.
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![Containers](/sysadmin/sites/default/files/2019-12/Containers%20Cropped.jpg)
Install Red Hat OpenShift Local on your own machine to test your work before deployment.
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![Magic trick with Ace of Spades](/sysadmin/sites/default/files/2020-12/ace-magic-trick-formatting-date.jpg)
Get past the illusion of hostvars being difficult and begin using them in your playbooks, tasks, and roles.
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![Photo illustration showing an outline of a person's head filled with gear shapes over a blue background](/sysadmin/sites/default/files/2023-04/automation-gears-person.jpg)
Learn the basics of using Redfish and how to set up the Redfish Mockup Server.
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![A blue cable plugged into a green Raspberry Pi](/sysadmin/sites/default/files/2022-10/blue-network-cable-raspberry-pi.jpg)
Get greater control over TCP port checking with a DIY, customizable approach using Python and Scapy.
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![Laptop keyboard with Ethernet patch cable](/sysadmin/sites/default/files/2020-12/keyboard-network-cable-return-key.jpg)
Make life simpler by automating network checks with tools like Expect, Bash, Netcat, and Nmap instead.
Hands-on learning path:
Deploy a cluster in Red Hat OpenShift Service on AWS
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![Linux terminal](/sysadmin/sites/default/files/2022-08/linux-terminal-command.jpg)
Use Ansible Vault to share encrypted Bash environment variables across projects.
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![A row of old tools for cutting and carving](/sysadmin/sites/default/files/2019-11/tools.jpg)
In this article and video, you'll learn how to collect information about your Linux system's performance.
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![Ten](/sysadmin/sites/default/files/2019-06/ten-10_0.jpeg)
Check out Enable Sysadmin's top 10 articles from February 2023.
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![Two women working on a computer](/sysadmin/sites/default/files/2021-11/testing-linux.jpg)
Learn how to grow your network, engage with other technologists, and give back to the community.
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![Multicolored containers at port](/sysadmin/sites/default/files/2021-12/red-grey-blue-containers_1.jpg)
Learn about the unit files Quadlet supports and how to use them to deploy containers using Podman and systemd.
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![Typing on a laptop with headphones next to the computer](/sysadmin/sites/default/files/2022-01/text-editor-typing.jpg)
Persisting Ansible fact data improves execution time, particularly when running different playbooks in sequence or targeting many hosts.