20161129l04-09 old boy Linux OPS training-linux system user and user group management-07

Or is that sudo and su?

When you log in with Su, add the following-

Because of this, the environment variable will become the switch user's

This can cause unnecessary trouble if you do not use environment variables.

General Sudo is not allowed for remote logins, because passwords are plaintext and are very insecure

But you can use ssh-t [email protected] sudo-l this way to log in

Okay, I'm done.

20161129l04-09 old boy Linux OPS training-linux system user and user group management-07