Tuts4Tech

IPTables and Bashrc Aliases

We all know IPTables can be difficult. By adding the following lines to your ~/.bashrc you can simplify the tasks of blocking packets from a certian ip. First your going to need to install IPTables: Gentoo: emerge iptables   (Must be  Root to use/install iptables) Ubuntu/Debian: sudo apt-get install iptables Then edit your .bashrc file and add the following alias blockedips="iptables [...]

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Setting Local Time on a Linux Server

I am going to show you a way that I use to set the local time on my Linux servers. It really isn't that hard either. First, you should get NTP installed. apt-get install ntp ntpdate Next, just in case, make a backup of your already configured time. mv /etc/localtime /etc/localtime-backup Then we start to go into the process of [...]

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Making a Network Diagram

Lovely Charts is a free web-base program that will allow you to easily create flow charts, site maps, network diagrams, and other visualizations with a simple drag-and-drop interface. When finished making your diagram you can pick to export it as a jpg or png image. Here is a sample of my network:

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