When sudo is used in CentOS and sudoers solutions, the prompt & quot; xxxisnotinthesudoersfile is displayed. thisincidentwillbereported. XXX is your user name, that is, your user name does not have the permission to use sudo, we just need to modify the/etc/sudoers file... centOS, sudoers solution prompt "xxx is not in the sudoers file when sudo is used. this incident will be reported. XXX is your user name, that is, your user name does not have permission to use sudo. you just need to modify the/etc/sudoers file. The modification method is as follows: 1) enter the superuser mode. That is, enter "su-". The system will ask you to enter the superuser password and enter the password to enter the superuser mode. (Of course, you can also use root directly) 2) add the write permission for the file. That is, enter the command "chmod u + w/etc/sudoers ". 3) edit the/etc/sudoers file. That is, enter the command "vim/etc/sudoers", enter "I" to enter the editing mode, and find this line: "root ALL = (ALL) ALL "add" xxx ALL = (ALL) ALL "(here xxx is your user name), and save it (that is, press the Esc key first, and then enter ": wq ") quit. 4) revoke the write permission of a file. That is, enter the command "chmod u-w/etc/sudoers ".
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