What if the linux system command cannot be used

This article mainly introduces how to do linux system command can not be used, has a certain reference value, interested friends can refer to, I hope you read this article after a lot of gains, the following let Xiaobian with everyone to understand.

This problem occurs because the system environment variables are not configured correctly. There are many reasons for this, such as system upgrade, improper operation, etc., which causes the environment variables to be overwritten and modified. There are two ways to solve this problem.

Method 1: Enter the following directly in the linux command line interface, and then enter (import environment variables, and the storage address of common shell commands):

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

Recommended learning video tutorial: linux video tutorial

Method 2: If all commands in the system cannot be used, you can also use the absolute command vi to open the profile

/bin/vi /etc/profile

Add environment variable addresses to system configuration files

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin Thank you for reading this article carefully. I hope that the article "Linux system command cannot be used" shared by Xiaobian will be helpful to everyone. At the same time, I hope that everyone will support it. Pay attention to the industry information channel. More relevant knowledge is waiting for you to learn!