Add the missing centos command

You may have encountered ifconfig input in terminal mode, and the system prompts that this command is unavailable. How can this problem be solved )?

Add it to the system environment variable...

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SuEnterRoot, RunVim/etc/profileAdd the following statement at the end of the file

Path = $ path:/sbin# InPathAppend after variable/SbinDirectory

Export Path = $ path:/sbin# Set the variable to global

Save and exit.

Enter/Home/User/Directory, modify/Home/User/. Bash_profile,InPathAdd

/Sbin:/usr/local/sbin:/usr/Kerberos/sbin

After modification, run the following command: 

Reboot

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