vpnclient command not found

In this troubleshooting guide we learn how to fix vpnclient command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

vpnclient: command not found

or when using sudo you get the following error message

sudo: vpnclient: command not found

Solutions to vpnclient: command not found

How To Fix vpnclient: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu vpnclient is provided by softether-vpnclient package.

softether-vpnclient is:

SoftEther is an open-source cross-platform multi-protocol VPN program.

SoftEther supports:

  • SSL-VPN, OpenVPN, IPsec, L2TP, MS-SSTP, L2TPv3, EtherIP
  • VPN over ICMP and VPN over DNS
  • Ethernet-bridging (L2) and IP-routing (L3) over VPN
  • Embedded dynamic DNS and NAT traversal
  • AES 256-bit and RSA 4096-bit encryption
  • RADIUS and NT domain user authentication
  • X.509 client certificates
  • Packet logging
  • Web GUI

This package ships the VPN client.

To fix this problem, we can install more using the command below.

sudo apt-get -y install softether-vpnclient

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install softether-vpnclient.

sudo apt -y install softether-vpnclient

Or if you have aptitude installed you can use the following command.

sudo aptitude install softether-vpnclient

Summary

In this tutorial we learn how to fix vpnclient command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.