til/Applications/Network/OpenVPN.md

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# OpenVPN
| Distribution | Package |
| ------------ | --------- |
| Arch Linux | `openvpn` |
| Ubuntu | `openvpn` |
Read [update-systemd-resolved](https://github.com/jonathanio/update-systemd-resolved).
| Distribution | Package |
| ------------ | --------------------------------------- |
| Arch Linux | `openvpn-update-systemd-resolved` (AUR) |
| Ubuntu | `openvpn-systemd-resolved` |
Start and enable service:
```sh
systemctl enable --now systemd-resolved.service
```
Edit `client.ovpn`:
```txt
script-security 2
setenv PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
up /etc/openvpn/scripts/update-systemd-resolved
up-restart
down /etc/openvpn/scripts/update-systemd-resolved
down-pre
```
Connect with factor authentication and start as a dameon:
```sh
sudo openvpn --config /path/to/client.ovpn \
--auth-user-pass --auth-retry interact \
--daemon
```