Sudo for Webvm

Caution

This removes root password and makes you vulnerable and unprotected

You can remove root password from user in webvm.io. su -, the defult password is password
you can then trust your user to login:

groupadd wheel
usermod -aG wheel user

Then you have to edit the su login file with nano

nano /etc/pam.d/su

This will open the nano editor where you have to add:

auth sufficient pam_wheel.so trust

to the top line, this will enable the su - command to not require a password.
exit anno with ctrl + o + enter + ctrl + x Now logout of the root shell by using exit or ctrl + d or logout
Now paste a script to your user to enable sudo:

cat >> ~/.bashrc <<'EOF'

sudo() {
    if [ "$#" -eq 0 ]; then
        su -
    else
        su -c "$*"
    fi
}
EOF

source ~/.bashrc