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1.
Based on best practices, where is the best location to maintain documentation of work performed on Linux servers at a site?
2.
A user notices some problems with his Linux system. He finds a file in his home directory that he has never seen before. It has the following permissions:
-r-sr-srwx 1 root root 531 Jan 19 02:15 shell.run
Where did the file come from?
-r-sr-srwx 1 root root 531 Jan 19 02:15 shell.run
Where did the file come from?
3.
After installing Linux onto a dual-processor machine, the administrator suspects that only one processor initialized successfully during the boot process. How could this be verified?
4.
After setting up a cron job to backup a system to tape, the first few backups on the tape cartridge are successful. They then fail, reporting the "device is full." What could be the cause of the problem?
5.
A Linux machine is not booting after a power outage. No rescue/boot disk is readily available. Where could a rescue/boot disk be found?
6.
A system has a utility that is regularly updated with new versions. Rather than overwriting the older versions, they need to be retained for testing purposes. Therefore, they keep older versions in the following format: utility1.3 utility1.4 utility1.5 What is the best way the system can be set up so that users can simply type "utility" to run the latest version of the application?
7.
A customer reports that his server will not allow users to retrieve their email through POP3 or connect to the server via telnet. What service needs to be restarted?
8.
A new user has been issued a Linux system that automatically boots to an X login, but would rather have the system automatically boot to the console login. How should the system be configured to accommodate the user?
9.
In order to control runaway processes, an administrator creates a cron job. Which of the following commands should be run so that he can scan the logs later?
10.
A Linux vendor has recently come out with a necessary patch to the server software to improve security on the server. Which of the following is the best practice, if any, for updating this patch on a production system?