Linux some basic commands

Linux View own extranet Ip:curl ifconfig.me

Delete directory: RM-RF directory name

View version: Rpm-q version

User rights to modify files: Chown kds:kds agent.crontab
Modify file permissions: chmod 755 agent.crontab

From left to right, 1-3 digits represent the permissions of the file owner, 4-6 digits represent the permissions of the same group of users, and 7-9 numbers represent the permissions of the other user.

0 (no permission); 4 (Read permission); 5 (4+1 | Read + execute); 6 (4+2 | Read + write); 7 (4+2+1 | Read + Write + execute)

Add User: Root user under AddUser
Change Password: root user under passwd

Linux some basic commands