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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![How to set SELinux to enforcing mode](/sysadmin/sites/default/files/2021-06/laptop-phone-work-setup-desk.jpg)
Ansible's flexibility and variety of fact caching plugins allow you to design the solutions that best fit your requirements.
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![Pie math on a chalkboard](/sysadmin/sites/default/files/2020-06/math-pie.jpg)
Transform your Raspberry Pi into an edge computing device with Fedora IoT.
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![Photo of a beach lifeguard stand with the word "Rescue" on the side](/sysadmin/sites/default/files/2023-03/rescue-lifeguard-beach.jpg)
Handle errors gracefully in your automation by using Ansible block and rescue keywords.
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![Chemistry beakers](/sysadmin/sites/default/files/2022-05/chemistry-beakers-test_0.jpg)
Separating policy from data enables more robust and reusable policy definitions that allow you to factor external data sources in compliance evaluation.
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![Laptop with pineapple on a wooden table](/sysadmin/sites/default/files/2020-12/pineapple-laptop.jpg)
Go beyond the basics, learn what happens under the hood when running Podman on your Mac, and create a flexible container environment that meets your needs.
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![PostgreSQL setup and use cases](/sysadmin/sites/default/files/2021-03/Data.jpg)
Learn what big data is, how data is processed and visualized, and key big data terms to know.