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tcplb.sh v20260918 now writes the ip address and port of the client and also the connection duration to syslog

tcplb.sh is a TCP loadbalancer, written as shell script.

grapheqd version 9 is compatible with latest kissfft Fast Fourier Transform library, fixes a compilation warning on Linux, and honors new commandline options of mixer on FreeBSD 14 and newer

ftp6proxy 0.5 fixes an error and now calls chdir() before entering chroot

pomavold 0.9 fixes an error and now calls chdir() before entering chroot

ovpn.py version 4 can handle OpenVPN's new real address format introduced in version 2.7

Added local copies of the root and .arpa zones to my howto Unbound on FreeBSD 15 as well as some experience with Unbound's memory usage

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

How to upgrade Python in a venv: # rm -v myvenv/bin/python* # python -m venv --upgrade myvenv

I switched from BIND to Unbound as my caching DNS resolver

Upgrading PostgreSQL with pg_upgrade on FreeBSD now covers PostgreSQL 18 on FreeBSD 14

Added Bind 9.21 to my How to use a custom-built jemalloc with BIND on FreeBSD

Run FreeBSD as virtual machine using bhyve with either a virtual serial console or VNC in UEFI mode

How to use a custom-built jemalloc with BIND on FreeBSD

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

Environmental sensors based on the ESP8266

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)

In case you have to activate a ludicrous amount of swap on your FreeBSD machine, e.g. 200 gigabytes, then add this to /boot/loader.conf and reboot: kern.maxswzone=1073741824 Otherwise, you will get errors like these: kernel: warning: total configured swap

New version of s3file.py fixes two warnings when setting a compliance or governance lock, and does not call utcnow() as it has been deprecated in Python 3.12

If Firefox doesn't accept a server certificate you built with easy-rsa, then generate your SSL certificate with a subject alternative name: $ easyrsa --subject-alt-name="DNS:www.mydomain.invalid" build-serverClient-full www.mydomain.invalid nopass RFC 28…

graypold version 12 allows you to specify the maximum number of "void" DNS look-ups per SPF check via the spf_max_void_dns_lookups configuration option.

How to build a highly available load balancer, dns server, or web server, that also runs out of the box on VMware vSphere

It has specifically been updated for Corosync 3.

LogBlitz version 21 allows you to wrap lines even on Chrome and Chromium based webbrowsers, and restores the expected cookie behaviour

LogBlitz version 20 allows you to wrap lines

New version of my how to install pgAdmin 4 on FreeBSD 14 fixes two errors, and covers pgAdmin 8.12

Updated how to install pgAdmin 4 on FreeBSD 14 to pgAdmin 8.11

New version of rrd4cmk.pl provides default status texts, and allows you to specify a name, a minimum value, and a maximum value for the metrics

rrd4cmk.pl is a local check for Checkmk that checks an RRD database for thresholds

$ python -c 'import random, string; print("".join(random.choices(string.ascii_letters+string.digits+string.punctuation, k=16)))'

New version of kvmlib allows you to disable any sound hardware at all (set VM_SOUND to "0"), fixes a bug when accessing qemu's console without a parameter, allows you to create, resize, and list virtual disks, and may create, delete, rollback, and list sn…

499.ipdb is a helper for geolocation access on your FreeBSD firewall.

text2png.py outputs a given text as scrambled picture in png format

graypold version 11 supports SQLite database backends.

ovpn.py version 2 displays transferred bytes human readable with suffixed kB, MB, and so, and right-aligns integer values.

ovpn.py is a CGI/WSGI script which displays connected clients, routing table, and various info of locally running OpenVPN instances

LogBlitz version 19 fixes a cookie issue when using user roles, and comes with optimised JavaScript code

LogBlitz version 18 allows you to refresh the current search result automatically every given seconds, thus making it the alter ego of tail -f

grapheqd version 8 uses OpenSSL version 3 and its EVP_* message digest functions

On FreeBSD 14 you have to revise your VLAN config statements, e.g. in /etc/rc.conf.

When you added yourself to a supplemental group on FreeBSD or Linux, call newgrp NEWGROUP to reload your group membership in your current session.

Capture traffic remotely with tcpdump, display live with Wireshark: $ ssh USER@REMOTEHOST 'tcpdump -i INTERFACE -U -s 0 -w -' | wireshark -i - -k

Updating a FreeBSD system bumped to FreeBSD 14

First rule of WSGI programming: You do not use global variables.

gitup is a lightweight alternative to the official git client.

LogBlitz version 16 can be served by a WSGI server, too

Yet another new version of pocgi.py fixes an embarrassing bug where files containing two consecutive newlines were not handled correctly

How to install, configure, and run pgAdmin 4 8.1 on FreeBSD 14 using mod_wsgi and the Apache webserver

New version of pocgi.py fixes two bugs: Standard input was not opened in binary mode, and parsed values were not comparable to strings

As FreeBSD 14 ships without portsnap, you are encouraged to use git in order to update your local ports tree.