How to Install OpenVPN from https://community.openvpn.net on Fedora CoreOS Latest

OpenVPN is a popular open-source virtual private network (VPN) software that allows you to create secure and encrypted network connections over the internet. In this tutorial, we will guide you through the process of installing OpenVPN on Fedora CoreOS Latest.

Prerequisites

Before installing OpenVPN on Fedora CoreOS Latest, make sure you have the following:

• A Fedora CoreOS Latest system
• Root access to your server
• A basic understanding of the command line

Step 1: Update the System

First, you need to update your system to the latest version. You can do this by running the following command:

sudo dnf update -y

Step 2: Download OpenVPN Package

Next, you need to download the OpenVPN package from the official website. You can do this by running the following command:

sudo dnf install -y https://community.openvpn.net/openvpn-repo-1.0-stable/fedora/openvpn-2.4.9-1.fc32.x86_64.rpm

Step 3: Install OpenVPN

Once the package has been downloaded, you can install OpenVPN by running the following command:

sudo dnf install -y openvpn

Step 4: Configure OpenVPN

After installing OpenVPN, you need to configure it. The configuration includes creating a certificate authority, a server certificate, and client certificates.

Step 4.1: Create a Certificate Authority

To create a certificate authority, you need to generate a private key and a public certificate. You can do this by running the following command:

sudo mkdir -p /etc/openvpn/easy-rsa/keys
sudo cp -r /usr/share/easy-rsa/3.0.8/* /etc/openvpn/easy-rsa

Once you have copied the files, you can generate the private key and the public certificate by running the following commands:

sudo su
cd /etc/openvpn/easy-rsa
./easyrsa init-pki
./easyrsa build-ca
exit

Step 4.2: Generate Server Certificate

Next, you need to generate the server certificate. You can do this by running the following command:

sudo su
cd /etc/openvpn/easy-rsa
./easyrsa gen-req server nopass
./easyrsa sign-req server server
exit

Step 4.3: Generate Client Certificates

Finally, you need to generate client certificates. You can do this by running the following commands:

sudo su
cd /etc/openvpn/easy-rsa
./easyrsa gen-req client nopass
./easyrsa sign-req client client
exit

Step 5: Configure OpenVPN Server

After configuring OpenVPN, you need to configure the server. You can do this by creating a server configuration file. You can create a server configuration file by running the following command:

sudo nano /etc/openvpn/server.conf

Once the file is open, you can add the following contents:

dev tun
proto udp
port 1194
ca /etc/openvpn/easy-rsa/pki/ca.crt
cert /etc/openvpn/easy-rsa/pki/issued/server.crt
key /etc/openvpn/easy-rsa/pki/private/server.key
dh /etc/openvpn/easy-rsa/pki/dh.pem
server 10.8.0.0 255.255.255.0
ifconfig-pool-persist ipp.txt
push "redirect-gateway def1 bypass-dhcp"
push "dhcp-option DNS 8.8.8.8"
push "dhcp-option DNS 8.8.4.4"
keepalive 10 120
tls-auth /etc/openvpn/easy-rsa/pki/ta.key 0
cipher AES-256-CBC
auth SHA256
client-to-client
user nobody
group nobody
persist-key
persist-tun
verb 3

Save the file and exit.

Step 6: Start and Enable OpenVPN

Once you have configured the OpenVPN server, you can start and enable it by running the following commands:

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

Conclusion

Congratulations! You have successfully installed and configured OpenVPN on Fedora CoreOS Latest. You can now connect to your OpenVPN server using client certificates.

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