November 2015
Beginner
260 pages
6h 10m
English
Content preview from Mastering Linux Network AdministrationBecome 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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Troubleshooting DHCP issues
If for some reason you have a machine that refuses to obtain an IP address, then this section is for you. DHCP issues aren't incredibly common, and thankfully aren't too hard to troubleshoot.
One of the most common issues I've seen with DHCP servers is the date and time of either the server or the client being wrong. In the Linux world, NTP is crucial and should always be working. In the case of DHCP, it only waits so long before the service times out a request for an IP address. If the clock is off by an hour and the incoming request is timestamped an hour ago, that confuses the server and the client will not receive an address. Always ensure that NTP is working on all your clients and servers. DHCP isn't the only service ...
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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.
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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.