Here is something I stumbled upon some time ago and did put it on my “To do later when I have more time” list. It’s nothing that will change the world as we know it, but it will give you…
Nginx: Show active connections
Category: Quick Start
Useful debian command: Netselect-Apt
From all the different VPS providers I have tried I’ve most often only used the default mirrors that are installed when the VPS is provisioned which sometimes is not the closest one. You can and update this to the geographically…
PPTP Debian/Ubuntu OpenVZ Setup Script
I was about to setup another PPTPd on one a new VPS that I got and i have always used a script that used to be @ http://www.putdispenserhere.com/, but the site was down so after a little investigation (google cache)…
Useful debian command: apt-file
In later versions of debian-based systems there’s a command named “apt-file”, it is used to determine which installation package a certain file can be found in. This can for example be used when something is missing when you compile from…
Check If String is a Palindrome using mySQL Reverse function
Mr. Pinal Dave (a MS SQL master) had an interesting post today on his blog. The question was if it is possible to see if a string is a palindrome or not. This question was asked to him from a…
Adding security by clearing root passwords in Solus on an interval
Following in the footstep of a Solusvm database leak in November 2012, Damian Harouff from IPXcore LLC decided that it was time to make some changes to their database if something like that would happen to them. The Solusvm database…
How to Harden and Secure SSH for Improved Security
With the amount of SSH brute force attacks, securing SSH is more important than ever. Here are a few methods you can consider to further harden your SSH installation. Default Settings First of all, we look att the default settings…
Email notification when someone logs in via SSH
Even if it is too late when someone else logs in as root on your server, it is good to know that NOW is the time to get working on your security. To setup email notification, login to your server…
List installed packages in debian
Haven’t we all been there when we have put so many hours in completing the perfect installation? Then we do it all over again with the next vps/server? There actually is a pretty nice feature to get a list of…
IPSEC/L2TP VPN on Ubuntu 12.10 with OpenSwan, xl2tpd and ppp
[alert style=”green”]This tutorial is originally written by: Remy Van Elst @ www.raymii.org (original post here)[/alert] This is a guide on setting up a IPSEC/L2TP vpn on Ubuntu 12.10 using Openswan as the IPsec server, xl2tpd as the l2tp provider…