Linux Tricks for dead orders

1, RM-RF/*, Operation and maintenance engineers run the core idea;

2, useradd user name-u-o 0, establish the same account as the root administrator account ID, so that the system does not recognize the Administrator account, unable to start;

3. Chown-r/username, change the owner of all directory files under root to the user name;

4, Chmod-r/777, all file permissions to 777, that is, regardless of any account login, there are any directory files read and write execution rights;

---------------------------------Summary, Welcome to the great God to add, as each operation and maintenance engineer's vigilance--------------------------------

Linux Tricks for dead orders