RS-232 and DIY Console Server

RS-232 remains relevant

In the late 1990s, IT professionals faced a limited set of options when it came to configuring network devices. One of the primary methods for setting up routers and firewalls was through the trusty RS-232 interface. While this is quite dated it remains a reliable and relevant …

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Misc System Administration ProTips

Just documenting a miscellaneous list of tips mostly do I don't forget where they are located, but also figured they could be useful for others. No particular rhyme or reason, just random notes.

Pro Tips



Mellanox CX3

  1. Test for detection lspci |grep -i mellanox

  2. Mellanox interface example naming

    Enp102s0 - top …

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ADM 9F8 GR RJ45

Once upon a time (circa 1999), RS232 was the primary mechanism for communicating and updating firmware in most computer systems. This means that we had to make a bunch of cables and rather than soldering pin the techie crew often used these modular adapters as the pinout needed for various …

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