Skip to Content
Red Hat Enterprise Linux Troubleshooting Guide
book

Red Hat Enterprise Linux Troubleshooting Guide

by Benjamin Cane
October 2015
Intermediate to advanced
458 pages
10h 49m
English
Packt Publishing
Content preview from Red Hat Enterprise Linux Troubleshooting Guide

Troubleshooting from historic issues

The first instinct for a Data Collector would be to simply run through the same troubleshooting steps from Chapter 5, Network Troubleshooting. The Adaptor and Educated Gusser troubleshooters, however, knowing the issue a few days ago was due to a static route would simply log in to the database server first and check for the same static route.

Maybe someone simply re-added it by mistake, or the route was not fully removed from the system's configuration files:

[db]# ip route show
default via 10.0.2.2 dev enp0s3  proto static  metric 1024
10.0.2.0/24 dev enp0s3  proto kernel  scope link  src 10.0.2.15
169.254.0.0/16 dev enp0s8  scope link  metric 1003
192.168.33.0/24 dev enp0s8 proto kernel scope link src 192.168.33.12 ...
Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Red Hat RHCSA/RHCE 7 Cert Guide: Red Hat Enterprise Linux 7 (EX200 and EX300)

Red Hat RHCSA/RHCE 7 Cert Guide: Red Hat Enterprise Linux 7 (EX200 and EX300)

Sander van Vugt

Publisher Resources

ISBN: 9781785283550