linux面试题1（Linux interview questions 1）.docVIP

linux面试题1（Linux interview questions 1） 1, Linux mount Winodws shared folder 2, check the number of concurrent requests and their TCP connection status in http: 3, tcpdump sniffing 80 port access, to see who is the highest 4. Statistics the number of files under /var/log/ 5. Check the number of connections per IP in the current system 6, shell 32 bit random password generation 7, statistics out of the Apache access.log in the most visited 5 IP 8, how to view the contents of binary files? 9. What does VSZ stand for in PS aux, what does RSS stand for? 10 、 detect and repair /dev/hda5 11, Linux boot sequence 12, the difference between symbolic link and hard link 13. Save the partition table of the current disk partition 15, manually install grub 16, change kernel parameters 17. Take random numbers in 1-39 18. The number of connections per Apache is 1, and the peak value is 3 19, FTP active and passive mode 20, /etc/inittab to # at the beginning, and followed by one or more blank characters, and then with arbitrary non blank character line; 21, show /etc/inittab contains: a number: (two colon, a number in the middle) line; 22, how to add your own script to the service, that is, you can use the service command to call 23, write a script to achieve batch add 20 users, the user name is user1-20, the password is user, followed by 5 random characters 24, write a script to determine the /24 network, the current online IP which, Ping can generally believe that online 25, write a script, whether a specified script is a syntax error; if there are errors, to remind the user to type Q or Q to ignore the error and exit any other key can be specified by this script to open vim; 26. Write a script: 1. Create a function that accepts two arguments: 1) the first parameter is URL, and you can download the file; the second parameter is the directory, which is the location saved after downloading; 2) if the directory given by the user does not exist, the user is prompted to create; continue