When executing commands as another user, then
sudo is your friend.
Of course, one needs to authenticate correctly. But in day-to-day work it is tedious having to provide the password all the time.
sudo-command can be made “passwordless” by using a tool called
and your favourite editor will open.
Add the following line at the very bottom (important!)
<username> ALL=(ALL) NOPASSWD:ALL
That allows the user with name
<username> to execute commands as