Alex Callejas
Alex Callejas is a Services Content Architect of Red Hat, based in Mexico City and an Enable Sysadmin contributor. With more than 20 years of experience as Sysadmin, he has strong expertise on infrastructure hardening and automation. Enthusiast of open source, supports the community sharing his knowledge in different events of public access and universities.
Geek by nature, Linux by choice, Fedora of course.
Authored Content
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It's handy to have a lab environment separate from your day-to-day workstation. Use these commands to set up a place to learn and experiment without risking your work environment.
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Create your own custom command line arguments with the xargs command.
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SELinux can be challenging to troubleshoot, but by understanding the components of the service, you can handle whatever challenges it throws your way.
Credited Content
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Check out Enable Sysadmin's top 10 articles from August 2021.
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Although we celebrate the work of sysadmins on the last Friday in July, the work they do impacts us all year long.
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Let us know what type of reader you are and get some book recommendations from the experts.