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How to Configure a Secure VPN Server on Ubuntu Server 23.04 Using OpenVPN and WireGuard

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Setting up a Virtual Private Network (VPN) server can add an extra layer of security to your internet connection. This comprehensive tutorial will guide you step-by-step on how to configure a secure VPN server on OpenVPN and Guide for Configuring a VPN server on Ubuntu

Update your Ubuntu Server

Firstly, always ensure that your Ubuntu Server is up-to-date. You can do this by running the following commands:

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sudo apt update sudo apt upgrade

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sudo apt install openvpn

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sudo cp /usr/share/doc/openvpn/examples/sample-config-files/server.conf.gz /etc/openvpn/ sudo gzip -d /etc/openvpn/server.conf.gz

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sudo nano /etc/openvpn/server.conf

Modify the 'dh' parameter to use the 'dh.pem' file:

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dh none ecdh-curve prime256v1 tls-crypt tls-crypt.key 0 crl-verify crl.pem ca ca.crt cert server.crt key server.key

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sudo systemctl start openvpn@server sudo systemctl enable openvpn@server

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sudo apt install wireguard

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wg genkey | sudo tee /etc/wireguard/privatekey | wg pubkey | sudo tee /etc/wireguard/publickey

Create a WireGuard configuration file:

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sudo nano /etc/wireguard/wg0.conf

Configure the WireGuard server in the 'wg0.conf' file:

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[Interface] PrivateKey = <Your Private Key> Address = 10.0.0.1/24 ListenPort = 51820

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sudo systemctl enable wg-quick@wg0 sudo systemctl start wg-quick@wg0
Conclusion on Installing a VPN Server on Ubuntu

Congratulations! You've just set up a secure VPN server on your Ubuntu Server using both OpenVPN and WireGuard technologies. Remember, you can connect to this server using a VPN client that supports the technology you've chosen for your server.

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