我嘗試在完全更新的 Ubuntu 19.10 PC 上新增新的 OpenVPN 連接，但Add頂部按鈕呈現灰色：
我已經嘗試過：
zane@zane-pc:~$ sudo apt-get install network-manager-openvpn network-manager-openvpn-gnome
Reading package lists... Done
Building dependency tree
Reading state information... Done
network-manager-openvpn is already the newest version (1.8.10-1).
network-manager-openvpn-gnome is already the newest version (1.8.10-1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
zane@zane-pc:~$ sudo systemctl restart network-manager
zane@zane-pc:~$ sudo service openvpn restart
還有什麼？