October 2015
Intermediate to advanced
458 pages
10h 49m
English
Content preview from Red Hat Enterprise Linux Troubleshooting GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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A sample Root Cause Analysis
Now that we have all of the information we need, let's create a root cause analysis report. This report can be in any format, really, but I've found that something along the following lines works well.
Problem summary
At approximately 1:50 A.M. on July 5, 2015 the server blog.example.com unexpectedly rebooted. The watchdog process initiated the reboot process due to a high load average on the server.
After investigation, the high load average appears to be caused by a custom e-mail application, which was left in a running state even though it has been migrated to another server.
From the data available, it seems the application consumed 100 percent of the root filesystem.
While I was unable to obtain process states from ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.