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Red Hat Linux Sysadmin Articles

  • How to troubleshoot SELinux policy violations Image Photo by Christina Morillo from Pexels Learn how to diagnose and address routine SELinux policy violations that may be causing problems with your web server. Posted: June 28, 2022 | by Peter Gervase (Sudoer) Topics:   Certification   RHEL   Linux administration   Career   Security   Read the full article on
  • How to install software packages on Red Hat Enterprise Linux (RHEL) Image Photo by Sora Shimazaki from Pexels Learn how to install software with RHEL's package manager using the dnf command or the GNOME Software app. Posted: June 27, 2022 | by Seth Kenlon (Red Hat) Topics:   Certification   RHEL   Software   Linux administration   Read the full […]
  • How to change boot options on Linux Image Photo by Karolina Grabowska from Pexels Make your system boot the way you want it to by editing your Grand Unified Bootloader (GRUB) file. Posted: June 24, 2022 | by Alan Smithee Topics:   Certification   Linux administration   Linux   Read the full article on
  • How to use Linux shell command exit codes Image "Exit" by andrewmalone is licensed under CC BY 2.0 You can use the numeric codes returned by shell scripts or Ansible playbooks to identify problems and test the code. Posted: June 23, 2022 | by Roberto Nozaki (Red Hat, Sudoer) Topics:   Linux   Certification   Scripting   Ansible   Bash   Read the full article […]
  • How to create a Rust application on OpenShift Image Photo by Meritt Thomas on Unsplash With the help of a container and OpenShift's "import from Git" functionality, you can onboard a Rust application onto OpenShift quickly. Posted: June 22, 2022 | by Nicole Lama (Red Hat) Topics:   Programming   OpenShift   Read the full article on

AWS Blog Posts

  • This post is part of our Week in Review series. Check back each week for a quick roundup of interesting news and announcements from AWS! It’s the beginning of a new week, and I’d like to start with a recap of the most significant AWS news from the previous 7 days. Last week was special […]
  • Today, I am happy to announce that you can now use Amazon SageMaker Ground Truth to generate labeled synthetic image data. Building machine learning (ML) models is an iterative process that, at a high level, starts with data collection and preparation, followed by model training and model deployment. And especially the first step, collecting large, […]
  • As I was getting ready to write this post I spent some time thinking about some of the coding tools that I have used over the course of my career. This includes the line-oriented editor that was an intrinsic part of the BASIC interpreter that I used in junior high school, the IBM keypunch that […]
  • At AWS re:Invent 2021, we introduced AWS IoT ExpressLink, software for partner-manufactured connectivity modules that makes it easier and faster for original equipment manufacturers to connect any type of product to the cloud, such as industrial sensors, small and large home appliances, irrigation systems, and medical devices. Today we announce the general availability of AWS […]
  • The new high volume outbound communication capability in Amazon Connect which was announced at Enterprise Connect last year, is now generally available to all. It is named Amazon Connect outbound campaigns. If you haven’t heard about Amazon Connect, it is an easy-to-use cloud contact center service that helps companies of any size deliver superior customer […]