Red Hat Enable Sysadmin Sudoer

Roberto Nozaki

Roberto Nozaki (RHCSA/RHCE/RHCA) is an Automation Principal Consultant at Red Hat Canada where he specializes in IT automation with Ansible. He has experience in the financial, retail, and telecommunications sectors, having performed different roles in his career, from programming in mainframe environments to delivering IBM/Tivoli and Netcool products as a pre-sales and post-sales consultant.

Roberto has been a computer and software programming enthusiast for over 35 years. He is currently interested in hacking what he considers to be the ultimate hardware and software: our bodies and our minds.

Roberto lives in Toronto, and when he is not studying and working with Linux and Ansible, he likes to meditate, play the electric guitar, and research neuroscience, altered states of consciousness, biohacking, and spirituality.

Authored Content

Man listening to music while he works

How to upgrade Red Hat Ansible Automation Platform

Consider the variables when planning and executing your AAP or Tower upgrade and learn what makes sense for your scenario.

Posted: April 11, 2023

Author: Roberto Nozaki (Sudoer, Red Hat)

Photo of a hard disk drive

How to back up and restore Red Hat Ansible Automation Platform

Back up your AAP environment to restore it to your current environment or a new one.

Posted: March 23, 2023

Author: Roberto Nozaki (Sudoer, Red Hat)

Photo of a beach lifeguard stand with the word "Rescue" on the side

Handle exceptions in Ansible Playbooks with block and rescue

Handle errors gracefully in your automation by using Ansible block and rescue keywords.

Posted: March 13, 2023

Author: Roberto Nozaki (Sudoer, Red Hat)

Contributed Content

Command line output in the terminal

20 one-line Linux commands to add to your toolbox

Every Linux user has a favorite single-line command. Here are the 20 Linux commands we can't live without.

Posted: November 17, 2021

Authors: Jose Vicente Nunez (Sudoer), Anthony Critelli (Sudoer), Ricardo Gerardi (Editorial Team, Sudoer alumni, Red Hat), Roberto Nozaki (Sudoer, Red Hat)

My worst sysadmin mistake

17 Linux commands every sysadmin should know

Get out your notepad, here is a huge list of commands that every Linux sysadmin needs to know.

Posted: June 30, 2021

Authors: Tyler Carrigan (Editorial Team, Red Hat), Nathan Lager (Sudoer, Red Hat), Ricardo Gerardi (Editorial Team, Sudoer alumni, Red Hat), Roberto Nozaki (Sudoer, Red Hat)

Credited Content

Ten

Troubleshooting Linux performance, building a golden image for your RHEL homelab, and more tips for sysadmins

Check out Enable Sysadmin's top 10 articles from March 2023.

Posted: April 4, 2023

Author: Vicki Walker (Editorial Team, Red Hat)

Ten

Testing ChatGPT Ansible playbooks, building RHEL homelabs, and more tips for sysadmins

Check out Enable Sysadmin's top 10 articles from February 2023.

Posted: March 3, 2023

Author: Vicki Walker (Editorial Team, Red Hat)

Ten

Troubleshooting Linux, analyzing processes, and more tips for sysadmins

Check out Enable Sysadmin's top 10 articles from December 2022.

Posted: January 4, 2023

Author: Vicki Walker (Editorial Team, Red Hat)