Basic Linux Learning-7.6-Second exam questions

1. FAQ of common system files

1) by modifying the file (), you can set the file system to mount automatically when booting.

2) in the Linux system, when the LAN (LAN) does not have the condition of the case DNS server, but also want to let users within the LAN can use the computer name to access each other, should be configured () file (please write the full path)

3) After the Linux system boot load is complete, the kernel will launch a program called (), which is the first program that the kernel runs after the boot process is complete. We can modify the default boot level to (), which causes the system to automatically log in with command line mode after rebooting.

4) Describe the role of the following several files

/var/log/messages

/var/log/secure

/var/spool/cron/root

/etc/rc.local

2, Statistics/var/log The number of files 3, how to/data directory under all the directories containing Oldboy (the directory of possible directories and Oldboy directory) directory are packaged.

Requirements: Unpack the directory structure after packaging can not be changed.

4, list the following common Linux packaging tools and write the corresponding compression decompression parameters. 5, how to check whether to open 22 port, and see if the sshd process exists? 6, the modification time under the/data directory is 7 days ago, and files larger than 100k are copied to the/tmp directory. 7, find out the system more than 50k and less than 100k of the file, the file Oldboy replaced with Oldgirl. 8, now the file B.txt all 123 to replace the Def, how can I achieve? 9, write out the Redhat, configure the network card and DNS configuration file is what? 10. Please describe in detail the process of Linux system from opening the host power to entering the login interface. 11. Create a file under Linux touch oldboy.txt hint error: No space left on device, may I ask what the reason is? 12, Linux below Ping www.baidu.com appears unknown host error how to troubleshoot?

Basic Linux Learning-7.6-Second exam questions