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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Summary
In this chapter, we used our troubleshooting skills to identify both the issue affecting the company blog and the root cause of this issue. We were able to use the skills and techniques that we learned in earlier chapters to determine that the Apache service was down. We also identified that the root cause of this issue was the system running out of memory.
We could see by investigating the log files that the two processes using the most memory on the system were Apache and a custom application named processor. Furthermore, by identifying these processes, we were able to make a long-term recommendation to prevent this issue from re-occurring.
On top of all this, we learned quite a bit about what happens when Linux systems run out of memory. ...
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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.