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…
Author: mikho
Owner of this site, swedish with a interest in educate both myself and others.
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…
Enabling IPv6 Support in nginx
So, today I decided to make LowEndGuide IPv6 enabled and spent most of my morning troubleshooting why my vps didn’t show my IPv6 addresses. Well, that’s not what this post is about. Now I will show you how to enable…
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…
Basic MySQL commands explained
Many of us use mySQL on our dedicated and virtual servers but not everyone knows more then that it’s a database server. This guide will cover some of the basic tasks that you can do from your SSH terminal and…
PowerDNS Cluster with PowerAdmin Web-Interface
The goal of this guide is to setup a PowerDNS master with mySQL as backend, then use mySQL replication to update the slaves. When the master/slave is done, we will add Poweradmin as webinterface for the admin/users to update their…
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…