2024-10

Notes on Economics #

Recommended books:

Piketty, T. (2017). Capital in the Twenty-First Century. United Kingdom: Harvard University Press.

Overview of OpenWrt #

Notes on Embedded development #

OpenWrt Tips & Tricks #

Notes on Networking #

IPv6 #

root@vault ~ # tcpdump -i tap100i0 '(udp port 546 or 547) or (icmp6 and (ip6[40] == 133 or ip6[40] == 134))' -n -vv
tcpdump: listening on tap100i0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
20:44:53.569782 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64) fe80::ca4c:75ff:fe77:a3d9 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 64
        hop limit 64, Flags [managed], pref medium, router lifetime 1800s, reachable time 0ms, retrans timer 0ms
          source link-address option (1), length 8 (1): c8:4c:75:77:a3:d9
            0x0000:  c84c 7577 a3d9
          mtu option (5), length 8 (1):  1500
            0x0000:  0000 0000 05dc
          prefix info option (3), length 32 (4): fd00:0:1400::/64, Flags [onlink, auto], valid time 2592000s, pref. time 604800s
            0x0000:  40c0 0027 8d00 0009 3a80 0000 0000 fd00
            0x0010:  0000 1400 0000 0000 0000 0000 0000

Notes on OpenWrt #

Notes on Android #

Notes on Gentoo #

How (not) to reset Thunderbolt without a reboot on Linux

October 20, 2024

2024-10

Linux,

Thunderbolt,

Pci

2024

Suppose you have just resumed your trusty Thinkpad T14 laptop from a suspended state and suddenly one of your displays connected to the Thunderbolt port is not working. Instead of simply rebooting and resolving the issue the easy way, we can take the opportunity to gain a bit of knowledge.

First blog post

October 18, 2024

2024-10

2024

This is a first blog post.