Category: FreeBSD
Anything related to FreeBSD
Running out of vnodes while running Synth
Synth has frozen on more than one occasion while it was running commands like umount /var/synth/builders/synth-live/SL04/ccache and building more than one package at a time. Manually running commands such as df -ah appeared deadlocked since they never finished, and Ctrl+C never aborted the processes. A reboot was needed, well, I always ended up giving the […]
Read More → Running out of vnodes while running SynthGreenbone Vulnerability Management and Mosquitto on FreeBSD
At ${WORK}, we’ve been running Greenbone Vulnerability Management for some years. After a recent upgrade, Mosquitto wouldn’t shut up about certificate and keyfile until I told it where to find a server certificate and the associated private key. I simply reused what GVM uses in general.
Read More → Greenbone Vulnerability Management and Mosquitto on FreeBSDSynth 3.09 and 88 hyperthreads
At ${WORK} we have a so-called “monster server” as our resident FreeBSD builder. Unpatched Synth 3.09 handles up to 64 hyperthreads, i.e. 64 scanners and 128 builders. Our builder has 88 hyperthreads, necessitating an expansion to 88 scanners and 176 builders.
Read More → Synth 3.09 and 88 hyperthreadsDoes Git have a race condition with itself?
Git is at 2.47.1 and this happened as part of a routinegit -C /usr/src pull -j `nproc` –no-edit –no-ff -p andgit -C /usr/src rebase stable/14 stable/14+local:
Read More → Does Git have a race condition with itself?Hardening OpenSSH 9.6/9.7 in FreeBSD
While following the suggestions of https://github.com/jtesta/ssh-audit/wiki/FreeBSD and security/py-ssh-audit 3.2.0, I figured it’s better to make adjustments to the startup script in libexec/rc/rc.d/sshd.
Read More → Hardening OpenSSH 9.6/9.7 in FreeBSDFHD and 8×16 font for FreeBSD guests in VirtualBox
I decided to play with FreeBSD 13.3-RC1 in VirtualBox. My display is capable of 1920×1200, and we must specify this both in the VirtualBox XML file for the guest and in the guest’s /boot/loader.conf. The font specification goes in the latter file.
Read More → FHD and 8×16 font for FreeBSD guests in VirtualBoxnetdata 1.42.2 and run as user = netdata
netdata was recently updated to 1.42.2 in the FreeBSD ports collection. The sample configuration file needs some adjustment.
Read More → netdata 1.42.2 and run as user = netdataREDZONE: Buffer overflow detected
I updated my laptop running FreeBSD current yesterday. For the first time I saw kernel messages about redzone violations.
Read More → REDZONE: Buffer overflow detectedAdopting Curl 7.88.1 ahead of the official branch of the FreeBSD ports collection
pkg audit has flagged Curl 7.87.0_1 as vulnerable for a week or so.
Read More → Adopting Curl 7.88.1 ahead of the official branch of the FreeBSD ports collectionUpgrading MySQL from 5.7 to 8.0
Upgrading MySQL from 5.7 to 8.0 was mostly uneventful.
Read More → Upgrading MySQL from 5.7 to 8.0