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Just run following command as root on a CentOS / Ubuntu / Debian based VPS or Dedicated Server and follow the prompts to install OpenVPN:
wget https://git.io/vpn -O openvpn-install.sh && bash openvpn-install.sh
Once it ends, you can run it again to add more users, remove some of them or even completely uninstall OpenVPN.
It works even on the cheapest VPS Package provided by hosteons.com
One line setup:
First get a fresh install of Ubuntu LTS, Debian or CentOS on your hosteons VPS or Dedicated Server (VPS should be KVM based not OpenVZ, if you are using hosteons.com VPS then need not worry as it’s KVM based VPS)
Use following command to set up an IPsec VPN server on Ubuntu or Debian:
wget https://git.io/vpnsetup -O vpnsetup.sh && sudo sh vpnsetup.sh
If you are on CentOS then use following command:
wget https://git.io/vpnsetup-centos -O vpnsetup.sh && sh vpnsetup.sh
Your VPN login details will be randomly generated, and displayed on screen when finished.
Also it’s best to run these commands in a screen session to avoid any interruptions due to any reasons.
Custom Setup of VPN:
Ubuntu and Debian:
Make sure your VPS/Dedicated server is upto date, you can do it with following commands:
apt-get update && apt-get dist-upgrade
and reboot.
Now Edit the script and provide your own VPN credentials:
wget https://git.io/vpnsetup -O vpnsetup.sh
nano -w vpnsetup.sh
[Replace with your own values: YOUR_IPSEC_PSK, YOUR_USERNAME and YOUR_PASSWORD]sudo sh vpnsetup.sh
CentOS:
Make sure your VPS/Dedicated server is upto date, you can do it with following commands:
yum -y update
(if you are using hosteons.com vps then need not worry, our templates update everything when the VPS is setup)
Now Edit the script and provide your own VPN credentials:
wget https://git.io/vpnsetup-centos -O vpnsetup.sh
nano -w vpnsetup.sh
[Replace with your own values: YOUR_IPSEC_PSK, YOUR_USERNAME and YOUR_PASSWORD]sh vpnsetup.sh
Your VPN server is now ready, just connect using the Shared Key, username and password you provided during setup or displayed on script, depending upon how you setup your VPN.
Kernel 4.x is highly optimised and gives a lot of boost in performance to all Linux servers, here are few simple commands to upgrade your Kernel to 4.x on your CentOS 6 / CentOS 7 / RHEL 7 VPS (It will work with any KVM Based VPS like the ones provided by hosteons.com) or Dedicated server :
CentOS 6 / RHEL 6:
rpm –import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
yum install yum-plugin-fastestmirror
yum –enablerepo=elrepo-kernel install kernel-ml
Now update /etc/grub.conf and make sure the new kernel 4.x is selected as default kernel and just reboot your VPS/Dedicated Server to use the new kernel.
CentOS 7/RHEL 7:
rpm –import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
yum install yum-plugin-fastestmirror
yum –enablerepo=elrepo-kernel install kernel-ml
Now update /etc/grub.conf and make sure the new kernel 4.x is selected as default kernel and just reboot your VPS/Dedicated Server to use the new kernel.
Stuck at FSCK but your root password is not working ?
Here is a short tutorial on how to reset root password on a Linux VPS or Dedicated Server