Joachim Haller Linux system monitoring for managers
Posted: September 10, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) If you’re an IT manager and need a high-level overview of system monitoring, this is it. How can…
IT meets behavior science: Driving change by understanding the 8 emotional stages
Posted: July 28, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Understanding these emotional and behavioral stages can optimize change management efforts. The last ten years of my IT…
Six more warning signs that your technical project might fail
Posted: May 12, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) If six reasons that your project might fail aren’t enough, here are six more to round out a…
The first six warning signs that a technical project might fail
Posted: May 5, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Is your project destined to fail? These first six of twelve indicators might say otherwise. Being a sysadmin…
How to decommission a data centre
Posted: March 17, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Whether you’re moving your infrastructure to another data center, to a cloud provider, or to a colocation service,…
How to identify a strong sysadmin job applicant
Posted: December 6, 2019 | by Joachim Haller (Red Hat Accelerator, Sudoer) Need a system administrator but don’t know where to start? Read this guide regarding important characteristics to look…
Router problem wrap-up
Posted: January 31, 2020 |by byJoachim Haller (Red Hat Accelerator, Sudoer) The job isn’t done once your router problem is solved. Here is how to properly handle the post-mortem. Once…
Networking for sysadmins: Recognizing router problems
Posted: January 20, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Multiple network components, including those of the ISP, can be the cause of a network incident. Here’s what…
A troubleshooting guide for router problems
Posted: January 27, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Having router trouble? Here’s a router troubleshooting guide to keep handy during one of those “special” router moments.…
Resolving stubborn router problems
Posted: January 29, 2020 | by Joachim Haller (Red Hat Accelerator, Sudoer) Have you exhausted your options when troubleshooting a router problem? Here are additional tactics you can try. When…