on Clear Linux Latest

Ocserv is an open-source implementation of the SSL VPN protocol that allows you to create secure tunnels between two endpoints over the internet. In this tutorial, we will guide you through the process of installing Ocserv on Clear Linux latest.

Prerequisites

Before we start, make sure that you have:

A Clear Linux latest server
Root access to the server
Internet connection

Step 1: Update the System

To update the system, run the following command:

swupd update

Step 2: Install Prerequisites

Next, we need to install the dependencies required for Ocserv to work. Run the following command to install them:

sudo swupd bundle-add libgnutls
sudo swupd bundle-add libseccomp

Step 3: Download and Extract Ocserv

Now let's download and extract the Ocserv source code. Run the following command to download the latest version of Ocserv:

wget ftp://ftp.infradead.org/pub/ocserv/ocserv-1.2.2.tar.xz

Once the download is complete, extract the archive using the following command:

tar -xJf ocserv-1.2.2.tar.xz

Step 4: Configure and Compile Ocserv

With the source code extracted, let's move on to configuring and compiling Ocserv. Run the following commands:

cd ocserv-1.2.2
./configure
make
sudo make install

Step 5: Configure Ocserv

Now that Ocserv is installed on your Clear Linux server, let's configure it. Create a new ocserv.conf file using a text editor of your choice:

sudo nano /usr/local/etc/ocserv/ocserv.conf

Add the following lines to the file:

auth = "pam"
tcp-port = 443
udp-port = 443
default-domain = example.com
ipv4-network = 192.168.1.0
ipv4-netmask = 255.255.255.0
dns = 8.8.8.8
dns = 8.8.4.4

These settings define that the authentication mechanism will be PAM, the default domain will be example.com, and the IPv4 network will be 192.168.1.0/24. You can modify these settings to suit your needs.

Step 6: Create User Accounts

Now that Ocserv is configured, let's create user accounts that can use it. To do this, run the following command:

sudo adduser --system --group vpn
sudo passwd USERNAME

This command will create a new user group called vpn and a new user account with the specified USERNAME. Replace USERNAME with the name you want to use. The second command will prompt you to set a password for the new user account.

Step 7: Start the Ocserv Service

With everything configured, we can start the Ocserv service using the following command:

sudo systemctl start ocserv

This will start the ocserv service and you can now connect to it using a VPN client.

Conclusion

You now have a SSL VPN server running on Clear Linux!

Note: This tutorial doesn't cover how to configure clients to connect to the ocserv service. For that, you can refer to the Ocserv documentation.