pi@raspberrypi:~ $ passwd
Changing password for pi.
(current) UNIX password:raspberry
Enter new UNIX password:(任意のパスワード)
Retype new UNIX password:(任意のパスワード)
passwd: password updated successfully
3.自分用ユーザーを作る
$ sudo adduser tac(任意のユーザ名)
Adding user `tac' ...
Adding new group `tac' (1001) ...
Adding new user `tac' (1001) with group `tac' ...
Creating home directory `/home/tac' ...
Copying files from `/etc/skel' ...
Enter new UNIX password:(任意のパスワード)
Retype new UNIX password:(任意のパスワード)
passwd: password updated successfully
Changing the user information for tac
Enter the new value, or press ENTER for the default
Full Name []:(ENTER)
Room Number []:(ENTER)
Work Phone []:(ENTER)
Home Phone []:(ENTER)
Other []:(ENTER)
Is the information correct? [Y/n] Y
pi@raspberrypi:~ $
pi@raspberrypi:/home/tac $ sudo su tac
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
[sudo] password for pi:raspbeery
pi is not in the sudoers file. This incident will be reported.