Author Archives: g18c

OpenVPN Destination Port / Source Machine Based Routing

In OpenVPN I might want to route packets over the tunnel depending on certain metrics, such as the source port, source machine, destination IP or any combination thereof. This is quite simple with iptables:   The OpenVPN up script:   … Continue reading

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OpenVPN Bridge on CentOS (With br0 in /etc/sysconfig/network-scripts)

Having installed many OpenVPN systems I can almost configure it with my eyes closed… or so I thought! Whilst the previous statement might be true for routed setups, bridged configurations were an entirely different animal (for me at least). The … Continue reading

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Low Overhead Console Based Torrent Client – rTorrent

Having used Java based torrent clients on older/embedded hardware (1GHz VIA processors) I have seen CPU utilisation saturate and systems grind to a halt. It is not practical to run GUIs or heavily emulated applications on these types of processors. … Continue reading

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Dynamic DNS with your own domain name (for free!)

To date i have been using dyndns for dynamic dns hostnames using my own domain, whilst it works ok it costs and more importantly there is a limit on the number of hosts and it wasn’t clear if this could … Continue reading

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Installing CentOS 5.4 from Internet via PXE – Boot from Web!

Boot from USB eat your heart out – Standby for boot from Web! Needed to get my embedded firewall up and running with CentOS 5.4, however it doesnt have a CD-ROM so brushed off the cobwebs on PXE boots which i … Continue reading

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