Installing Ubuntu manually (from a running system)

Sometimes it can be useful to be able to manually install an Ubuntu system – either from an existing running system, or a live installation media environment. Fortunately this process is rather straightforward.

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Residential VDSL2/PPPoE connection with a Juniper SRX

I have gotten my hands on an older Juniper SRX 300. Lacking a better use case, I determined this could be a reasonable home router for my VDSL2 connection.

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Getting SSD SMART on LSI controllers

Bird 1.6: The Unofficial Guide

We all know the lovely routing daemon called Bird. However, the official documentation can be a bit lacking and daunting. Here’s my collection of useful examples

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Juniper EX4200 – Issues with route filtering

Issues with EX4200 – RPD_RT_PREFIX_LIMIT_REACHED: Number of prefixes (16384) in table inet.0 reached configured maximum (16384).

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Deciphering Traceroute rDNS

Ever wondered what “xe” means in traceroutes?

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YUM/DNF ignores packages from a custom repository

Recently, I needed to compile a custom version of libvirt, repack it and insert it into my own repository. YUM/DNF was however ignoring my version and continued installing one from AppStream…

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Vultr List of Transits – 2020/10

Once again, I compiled a list of Vultr transits per location into a spreadsheet

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Vultr List of Transits – 2020/06

Once again, I compiled a list of Vultr transits per location into a spreadsheet

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Having fun with unusual IPv4 formats

Did you know that “2130706433” is a valid IPv4 address, and pinging it from major OSes will yield a positive result? Let’s look into how it works.

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