The basics: Virtualmin is a powerful and flexible web hosting control panel for Linux and UNIX systems based on the well-known Open Source web-based systems management GUI, Webmin. Manage your virtual domains, mailboxes, databases, applications, and the entire server, from one comprehensive and friendly interface. I recommend using Virtualmin; it made my life so EASY!,
Configuring Munin on a Debian 7 system for monitoring of server. Following we’ll install all we need to make munin service run, and be optimized to what we need to monitor. Lets install munin: Let’s enable some default plugins: Now let’s start editing the server configuration: More or less you should see something like this.
Okay, at times SpamAssassin can be a bit hard to correctly make it work on some environments if you’re not using a commercial product like CPanel Okay, let’s go over the basics, we need to make sure plugins are installed correctly and its dependencies ofc. Lets do some installing of Pearl and Spam Assassin. Once this
NAT – PAT – Tunnels – Rerouting behind VPN’s… Common things at TakeLAN 1) Make sure you have iptables, and a machine running linux. [Yeah… I know… Right?]. Remember how to use iptables?, well if you don’t let keep it simple, as I use Virtualmin in this scenario, I’ll show the simplest IPTABLES Config with
Somethings we do at TakeLAN quite often… and I always forget the how to’s… VPN’s! Check the TUN/TAP Adapter: If you’re running it in a OpenVZ Container as we are: Enter cat /dev/net/tun to test whether the TUN/TAP device is available: If you receive the message cat: /dev/net/tun: File descriptor in bad state your TUN/TAP device is ready for
There are various guides online for setting up Postfix as a backup (hold and forward) mail server, which knows which accounts are valid on the primary (to prevent backscatter spam, so it only accepts emails for actual accounts that exist on the primary mail server). All of them are slightly different, and none of them