June 2015
Intermediate to advanced
190 pages
4h 4m
English
Content preview from Troubleshooting CentOSBecome 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
The purpose of this chapter was not necessarily to tackle the issues associated with DNS configuration, as there are many books that deal with this subject comprehensively. However, it was engendered to approach the subject of DNS in relation to it being a function of the services available on a network. The consequence of this was to illustrate a few basic techniques associated with the art of troubleshooting an authoritative or caching domain nameserver that may be exhibiting difficulties during the performance of its role.
So, from changing the hostname to checking the bandwidth, flushing the cache to running some standard sanity checks, you should be aware that troubleshooting is not always about installing and configuring packages. ...
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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.