July 2002
Beginner
528 pages
12h 5m
English
Content preview from Sams Teach Yourself Unix System Administration in 24 Hours
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Hour 20 Working with E-mail
System administration involves managing a wide variety of services on one or more Unix system, but the one service that’s guaranteed to get you into hot water if it breaks is electronic mail. Regardless of the level of sophistication of your user base, if they can’t send and receive e-mail, you’ll hear about it.
This hour focuses on how to work with sendmail, the standard mail transfer agent (MTA) on Unix systems. There are other MTAs available, including the popular postfix, exim, qmail, and smail programs, but just about every Unix I’ve seen ships with sendmail as the default.
It’s also important to differentiate ...
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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.
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.