{{Open with root rights|filename= /etc/sudoers.d/tunnel_unpriv }} Edit the file so the text looks looks like the following code block. Note: This might include removing comments (#) and adding text. Do not remove the lines with double hashes (##).
tunnel ALL=(ALL) NOPASSWD: /bin/ip tunnel ALL=(ALL) NOPASSWD: /usr/sbin/openvpn * Defaults:tunnel !requiretty Defaults:tunnel env_keep += script_type Defaults:tunnel env_keep += devSave and exit.