Tag: exercise

Question requirementsAssuming that the root password of the current MySQL service is 123456, write a script to check whether the MySQL service is normal (for example, you can enter mysql normally t

Question requirements
Write a shell and see if there are custom users (ordinary users) in your Linux system. If so, how many?

Core points
centos6 uid>=500
eentos7 uid>=1000

awk -F’:”

Question requirements Write a greeting program that can output greetings to the user according to the current time of the system when it is executed. Assume that from midnight to noon is morning, n

Question requirementsprompt the user to enter the name of the network card, and then we use the script to output the ip of the network card, we need to consider the following questions:
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#!

Question requirements Count the number of numbers that appear in each line of the document a.txt and calculate how many numbers appear in the entire document. For example, the content of a.txt is a