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@robinsmidsrod
robinsmidsrod / dhcpd.conf
Last active September 16, 2025 08:59
Trying to chainload iPXE with full feature set from a lesser featured one, whilst still being able to boot non-supported cards with UNDI
ddns-update-style none;
deny bootp; #default
authoritative;
include "/etc/dhcp/ipxe-option-space.conf";
# GREEN (private network)
subnet 10.1.1.0 netmask 255.255.255.0 {
range 10.1.1.100 10.1.1.199;
option subnet-mask 255.255.255.0;
@mcastelino
mcastelino / iptables-cheatsheet.md
Last active April 25, 2026 17:39
iptables-cheatsheet

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

  • The netfilter hooks
  • The order of table traversal
@eyecatchup
eyecatchup / id3-ffmpeg.md
Last active July 19, 2026 18:43

Get/set ID3 meta tags using ffmpeg

A quick guide on how to read/write/modify ID3 metadata tags for audio / media files using ffmpeg.

FFmpeg has a free-form command line option that allows the user to specify key-value-pairs for encoding metadata. Let's take a look.

1. Read ID3 metadata

To list all global metadata tags for a media file, just set an input but no output file.

@rodrigoborgesdeoliveira
rodrigoborgesdeoliveira / ActiveYouTubeURLFormats.txt
Last active May 12, 2026 16:17 — forked from ScottCooper92/gist:ea11b690ba4b1278e049
Example of the YouTube videos URL formats
http://www.youtube.com/watch?v=-wtIMTCHWuI
http://youtube.com/watch?v=-wtIMTCHWuI
http://m.youtube.com/watch?v=-wtIMTCHWuI
https://www.youtube.com/watch?v=lalOy8Mbfdc
https://youtube.com/watch?v=lalOy8Mbfdc
https://m.youtube.com/watch?v=lalOy8Mbfdc
http://www.youtube.com/watch?v=yZv2daTWRZU&feature=em-uploademail
http://youtube.com/watch?v=yZv2daTWRZU&feature=em-uploademail
http://m.youtube.com/watch?v=yZv2daTWRZU&feature=em-uploademail