Linux

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Linux is a free and open-source software (FOSS) operating systems built around the Linux kernel, packaged in a distro, by Linus Torvalds.

The main distros for the Entreprise Servers are the Red Hat RHEL, Suse SLES (based on Slackware) and Ubuntu Server (based on Debian). There is also the community version of RHEL, CentOS, Debian and Oracle Linux (based on RHEL, but with Oracle Support).

For desktop, the most common are probably fedora or ubuntu distros, but there are too manny, for different proposes, such as lubuntu, that works really well on old computers. Another worthy mention is the arch and gentoo independent distros. Highly customizable, but recomended only for advanced users. See more in this image or let distro chooser get the best linux for you.

Resources

General

Course

Books

Tutorials

Certification

If you wish to get certified, the standard is by Red Hat. We recomend to start with the RHCSA certification and follow our guide. As an alternative, you can check the Linux Professional Institute and Linux Foundation certification programs.

  • Red Hat Certified System Administrator RHCSA
  • Red Hat Certified Engineer RHCE
  • Red Hat Certified Architect RHCA
References:

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