Alex Callejas

227 points
Alex Callejas
Mexico City

Alex Callejas is a Services Content Architect of Red Hat, based in Mexico City and an 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

Contributed Content

Authored Cheat Sheets and Downloads

Cheat sheet: SELinux

SELinux may seem complex at first, but with the right cheat sheet it can become a powerful ally for sysadmins. This guide is designed to help you to improve your skills…

Authored Comments

It's cool that you liked it! And above all, that you have identified with her, it is a very personal story, I also learned from very wise people and I did not have much time to surf the web, much less to annoy the young people.

On the contrary, it is a story about what we should not allow, stop learning and not share our knowledge.

In addition, it is a small tribute to a story by one of my favorite writers: Neil Gaiman in Troll Bridge.
Best regards,