Updated links

content/links/index.md

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 Here are some links I frequently use. Take it as some kind of jump in my
 bookmarks:
 
-* <https://archive.org/details/WinXPProSP3Italian/>
-* <https://github.com/jorgebucaran/awsm.fish/>
-* <https://www.pjrc.com/teensy/schematic.html/>
-* <https://dotfiles.github.io/inspiration/>
-* How to create a drone from zero: <https://youtube.com/playlist?list=PLeuMA6tJBPKsAfRfFuGrEljpBow5hPVD4>
-* <https://lnav.org/>
-* Cool NeoVim rice: <https://old.reddit.com/r/ProgrammerHumor/13qmt2o/>
-* EndleSSH: <https://github.com/shizunge/endlessh-go/>
-* <https://github.com/Free-TV/IPTV/>
-* NixOS beginner guide: <https://nixos-and-flakes.thiscute.world/>
-* Old Firefox version containerized: <https://github.com/niclan/Javafox/>
-* Ventoy theme: <https://github.com/vinceliuice/grub2-themes/>
-* <https://github.com/Lakr233/GitLab-License-Generator/>
-* Jool on OpenWRT: <https://forum.openwrt.org/t/update-nat64-jool-instructions/140617/>
-* <https://ventoy.net/>
-* <https://libretranslate.com/>
+### Warning
 
-### Cool webrings
+{{< alert icon="triangle-exclamation" cardColor="#e6d237" iconColor="#1d3557"
+textColor="#1d3557" >}}
+YouTube? Reddit? [**Absolutely proprietary**](/img/absolutely_proprietary.jpg)!
+{{< /alert >}}
+
+Use an extension like [LibRedirect](https://libredirect.github.io/) to be
+redirected to a privacy frontend! 
+
+## Misc
+
+* How to create a drone from zero:
+  <https://youtube.com/playlist?list=PLeuMA6tJBPKsAfRfFuGrEljpBow5hPVD4>
+* <https://pjrc.com/teensy/schematic.html/>
+* Raspberry Pi for emergency situations:
+  <https://old.reddit.com/r/DataHoarder/ffjfj4/>
+
+## Linux & Ricing
+
+* <https://github.com/jorgebucaran/awsm.fish/>
+* Cool NeoVim rice: <https://old.reddit.com/r/ProgrammerHumor/13qmt2o/>
+* <https://dotfiles.github.io/inspiration/>
+* NixOS beginner guide: <https://nixos-and-flakes.thiscute.world/>
+
+## Sysadmin stuff
+
+* <https://lnav.org/>
+* <https://github.com/Free-TV/IPTV/>
+* An old Firefox version containerized:
+  <https://github.com/niclan/Javafox/>
+* <https://archive.org/details/WinXPProSP3Italian/>
+* Ventoy theme: <https://github.com/vinceliuice/grub2-themes/>
+* EndleSSH: <https://github.com/shizunge/endlessh-go/>
+* <https://github.com/Lakr233/GitLab-License-Generator/>
+
+## Internet Protocol
+
+* IPv6 Tunnel Broker: <https://tunnelbroker.net/>
+* Jool on OpenWRT:
+  <https://forum.openwrt.org/t/update-nat64-jool-instructions/140617/>
+* <https://en.wikipedia.org/wiki/Protocol_ossification>
+
+## Cool videos
+
+* Using a 1930 Teletype as a Linux Terminal:
+  <https://youtube.com/watch?v=2XLZ4Z8LpEE>
+* Solving the [*advent of code*](https://adventofcode.com/) using Vim:
+  <https://youtube.com/watch?v=cNbcRXKsXfc>
+* Considerations on `vi`: <https://youtube.com/watch?v=nhe-4_dFjLM>
+* Ken Thompson 2019 interview:
+  <https://youtube.com/watch?v=EY6q5dv_B-o&t=458s>
+
+## Cool webrings
 
 * [Geek Webring](https://geekring.net/)