SHELLvariable must be listed inside /etc/shells or
The value for the SHELL variable was not found the /etc/shells file This incident has been reported. Also note that the next snippets only work in bash. If you're in a zsh, change to a bash before obtaining the shell by running
python -c 'import pty; pty.spawn("/bin/sh")'
script -qc /bin/bash /dev/null
perl -e 'exec "/bin/sh";'
letmeinbrudiplsin the context of the user running
sudoto read a file: