July 2005
Beginner
720 pages
18h 15m
English
Content preview from SAMS Teach Yourself Red Hat® Fedora™ 4 Linux® All in One
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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.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.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.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.
Q&A
| Q1: | In Chapter 28, “Command-Line System Administration,” I learned about cron. Using the find commands in this chapter, can I create a cron task that automatically searches for new SUID or SGID binaries periodically? |
| A1: | Yes, this is an ideal use of the cron system and shell scripting, and a good exercise to help you learn the ins and outs of both. |
| Q2: | I have read other Linux security guides on the Web that recommend securing the su command by editing a file in the /etc/pam.d directory. What's the difference between implementing wheel using permissions and implementing wheel using PAM? |
| A2: | The su command can be used to become any user for whom you have a valid password, not just the root user. The /etc/pam.d method of restricting su access allows ... |
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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.