[home] [code] [patches] [howtos] [docs] [hacks] [pics] [stuff]

about

Felix J. Ogris' private homepage: some stuff about homemade software, FreeBSD, Linux, computers, and hacking in general.

Somewhat more nosy? Mailto www@ogris.de.

You're viewing this webpage using the good old IPv4 protocol.

IPv6 test pages

v6only.ogris.net which resolves to and is reachable only by an IPv6 address
purev6.ogris.net which resolves to and is reachable only by an IPv6 address, and whose authorative nameserver is reachable only by IPv6

recent news

[2026-06-06]

How to upgrade Python in a venv:

# rm -v myvenv/bin/python*
# python -m venv --upgrade myvenv

My howto Upgrading PostgreSQL with pg_upgrade on FreeBSD now covers an optional SSL server key and certificate.

[2026-03-21] I switched from BIND to Unbound as my caching DNS resolver.

[2025-11-15] My howto Upgrading PostgreSQL with pg_upgrade on FreeBSD now covers PostgreSQL 18 on FreeBSD 14.

[2025-10-22] Added Bind 9.21 to my How to use a custom-built jemalloc with BIND on FreeBSD

[2025-09-28] How to run FreeBSD as virtual machine using bhyve

[2025-09-21] How to use a custom-built jemalloc with BIND on FreeBSD

[2025-06-21] ovpn.py version 3 allows you to sort the client list and routing table by real addresses when clients have connected using an IPv6 address.

[2025-06-08] Environmental sensors based on the ESP8266.

[2025-06-07] getpeercred.c prints the name or the uid of the user connected to a stream oriented local unix socket on stdin, stdout, or stderr (file descriptor 0, 1, or 2, in that order).

old news

Imprint
Data privacy
statement