October 2000
Intermediate to advanced
1152 pages
26h 41m
English
Content preview from Red Hat® Linux® 7 Unleashed
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Using Netgroups
Netgroups are a great way to identify people and machines under nice, neat names for access control. A good example of using this feature is for a site where users are not allowed to log in to server machines. You can create a netgroup for the system administrators and let in members of the group through a special entry in the /etc/passwd file.
Netgroup information is kept in the /etc/netgroup file and shared via NIS.
The format of a netgroups file is as follows:
groupname member-list
groupname is the name of the group being defined, and the member-list consists of other group names or tuples of specific data. Each entry in the member-list is separated by a whitespace.
A tuple containing specific data comes in this form:
( ...
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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.
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