Getting around "su : must be run from a terminal"
I killed the sshd daemon from one of our servers by accident today. I wanted to avoid going to the data center, so I was able to upload and run a PHP script to give me a shell..
Problem was, that it would run under the www-data user and trying to su to root gave me the following message:
su : must be run from a terminal
After some googling, I found the solution from Tero's glob. If you have python installed, just run the following from your shell:
echo "import pty; pty.spawn('/bin/bash')" > /tmp/asdf.py python /tmp/asdf.py
You now have a proper terminal, and things like 'su' will work as usual.