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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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.
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Dealing with frustration this System Administrator Appreciation Day? Check out these solutions to common challenges, from storage to configuration management to many others.
Credited Content
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Contributed
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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Contributed
Let us know what type of reader you are and get some book recommendations from the experts.