Guess I’m not the only one who have a lot of unauthorized login attempts via SSH on my Linux servers. With a simple command, you can watch failed or successful login attempts in /var/log/auth.log. #As root or via sudo, type…
Introduction This guide describes how to generate and use a private/public key pair to log in to a remote system with SSH using PuTTY. Using key-based SSH logins, you can disable the normal username/password login procedure which means that only…
You can insure yourself against accidentally changing your files using versioning. The technique can be used in many contexts, a good example that we will discuss below is the important configuration files for Linux Systems. Some programs have relatively small…
In this guide we will go through howto install a basic wordpress site using Minstall to minimize the memory footprint by removing unnecessary services. I will be using a a OpenVZ vps with 256 mb RAM to show you the steps…
When connecting to your VPS, you should never login as root, in fact, root logins with password authentication should be disabled. Instead you should mainly use a none-root account and elevate your access rights to root only when needed. By…
Since this question surfaces from time to time, here is a short description of the main difference between OpenVZ and KVM. Basicly it is two different ways to offer virtualization, OpenVZ using shared resources and KVM using full virtualization. This…
If you want to be the master of your VPS or dedicated server you must know some basic networking commands to troubleshoot connection issues or to find out more information about your or someone else server. This guide will not…
I got a tip about this firefox plugin the other day and it is one of these “nice to have” plugins. It will show the IP address(es) of the current page in the status bar, the IP will be red…
When installing software on your VPS you will end up with both empty files and empty directories, often these are used as placeholders/lock files/socket files for communication. This short guide will give you some examples on how to find those…
When you run any command as root, using sudo, the password is remembered for 15 minutes by default. If you want to change the time that the password is cached, open the terminal (as root) and run: [precode]nano /etc/sudoers [/precode] Search…
