When you install any version of the Windows operating system, a part of the installation procedure prompts you to enter the user’s name and the name of the user’s company. This registration information is stored in the registry and can be changed by carefully editing the data with the Registry Editor. However, not everyone is [...]
My number one favorite system monitor used to be Gkrellm, a small GUI tool that displays system information such as CPU usage, memory and hard drive usage, network throughput, and so forth. Recently, I discovered Conky, which is another system monitoring tool that works extremely well. One of the nice advantages to Conky is that [...]
If you are running a webserver you might have faced the problem already: somewhere on your server is a vulnerable contact form or CMS system written in PHP that gets abused by spammers to send emails trough your server. If you have more than a few websites, it is a pain to detect which of [...]
Virtual Hosting With Proftpd And MySQL (Incl. Quota) On Ubuntu 8.04 LTS FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on [...]
how to install a mail server based on sendmail that is capable of SMTP-AUTH and TLS. It should work (maybe with slight changes concerning paths etc.) on all *nix operating systems. I tested it on Debian Woody so far. This howto is meant as a practical guide; it does not cover the theoretical backgrounds. They [...]
Introduction In the ever demanding world of IT, a server administrator’s job is seemingly never complete. They carry a heavy responsibility to the company they work for to keep the network online and available at all times. One of the most important aspects of maintaining a confident employer and users is to maintain a trust [...]
Whether you’re in the IT industry or you’re a computer power user, you need to have a backup tool at the ready. With this tool, you will need scheduled backups, one-time backups, local backups, remote backups, and many other features. Plenty of proprietary solutions are out there. Some of them are minimal and cost effective, [...]
How do I install and configure MRTG under Fedora Linux or CentOS Linux v5.x server to monitor the traffic load on network-links including routers? The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this [...]
Well, here is another net-based optimization script i have for you. It also is not a masterpiece, but when you include this with everything else, this small addition is the topping to the cake. #!/bin/sh cp /etc/host.conf /etc/host.back echo “# Lookup names via DNS first then fall back to /etc/hosts.” > /etc/host.conf echo “order bind,hosts” [...]
I am using Microsoft SQL Server 2008 Express but you should be able to use these instructions for all versions of Microsoft SQL Server 2005 and Microsoft SQL Server 2008. In my case, the database files are located in the following directory: CODE C:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA As you may already know, you cannot backup [...]
