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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![letter tiles spelling learn](/sysadmin/sites/default/files/2021-09/learn-letters.jpg)
Practice your command-line skills while seeing how many words you can make from 9 random letters.
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![Hand holding a filter to the light](/sysadmin/sites/default/files/2022-08/filter-in-hand-ansible.jpg)
Ansible Lint, a Python command-line tool, helps you catch errors in Ansible playbooks and content.
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![Photo of a lit match on fire](/sysadmin/sites/default/files/2023-03/match-fire-2.jpg)
Burn rates help you predict whether your downtime is too high or risks exceeding your service-level objective.
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![Ten](/sysadmin/sites/default/files/2019-06/ten-10_0.jpeg)
Check out Enable Sysadmin's top 10 articles from March 2023.
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![Person with a laptop and phone](/sysadmin/sites/default/files/2021-11/digital-transformation-sysadmin_0.jpg)
The new PostgreSQL System Role helps speed and simplify deployment and management of PostgreSQL servers in Red Hat Enterprise Linux (RHEL).
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![NMAP scanning magic](/sysadmin/sites/default/files/2020-02/business-computer-connection-contemporary-450035%20Cropped.jpg)
Learn how to use Streamlit for monitoring and compare it against Grafana and InfluxDB to observe your infrastructure.