How to Install Ocserv on Void Linux

Ocserv is an open-source implementation of the Cisco AnyConnect VPN protocol that allows you to create a secure virtual private network (VPN). This tutorial will guide you through the steps of installing Ocserv on Void Linux.

Requirements

Before you begin, ensure that you have:

A Void Linux system with root user privileges.
A stable internet connection.
Basic knowledge of the Linux command line.

Installing Ocserv

Follow the steps below to install Ocserv on your Void Linux system:

Ensure that your system is up-to-date by running the following commands:
```
# xbps-install -S
# xbps-install -u
```

Install the dependencies needed to build Ocserv by running:

# xbps-install -S autoconf automake gnutls-devel gperf pkgconf make

Download the Ocserv source code from the official website by running:
```
# wget ftp://ftp.infradead.org/pub/ocserv/ocserv-X.Y.Z.tar.xz
```
Replace X.Y.Z with the latest version number available.
Extract the tarball by running:
```
# tar -xf ocserv-X.Y.Z.tar.xz
```
Change to the extracted directory by running:
```
# cd ocserv-X.Y.Z
```
Configure the build options by running:
```
# ./configure
```
Build Ocserv by running:
```
# make
```
Install Ocserv by running:
```
# make install
```
Verify the Ocserv installation by running:
```
# ocserv -v
```
This command should output the installed version of Ocserv.

Configure Ocserv

After installing Ocserv, you need to configure it by creating a configuration file. To do this, follow the steps below:

Create a new directory to store the configuration file by running:
```
# mkdir /etc/ocserv
```
Copy the sample configuration file to the new directory by running:
```
# cp doc/sample.config /etc/ocserv/ocserv.conf
```
Modify the configuration file to suit your needs by editing it with your preferred text editor. For example, you can change the IP address range and the authentication method.
```
# vi /etc/ocserv/ocserv.conf
```
Start the Ocserv service by running:
```
# ocserv -c /etc/ocserv/ocserv.conf
```
Ocserv will start and listen for incoming connections.

Conclusion

Congratulations! You have successfully installed and configured Ocserv on your Void Linux system. You can now create VPN connections to your server using the Cisco AnyConnect client on your client devices.