linux - Ubuntu reports xxx:command not found every time su is executed, but the user switch is successful

Question

# su someuser
2: command not found

There is one method that says to add usr/bin to profile but it has no effect
Another method also says that there is a problem with profile , but my profile is basically unchanged
and there is no problem like he mentioned about adding spaces after the square brackets

Answer 1

Different users have different environment variables. What command you want to use? Just find the directory of this command, then append it to the environment variable, and then source it