Issue 108
Published April 20, 2022

MidnightBSD 2.1.7, FreeBSD 13.1 RC plus all the latest news and tutorials from the BSD world.


MidnightBSD 2.1.7 RELEASE: MidnightBSD 2.1.7 is now available via git and ISOs via FTP/HTTPS. zlib 1.2.12 is included.

FreeBSD 13.1-RC3 Available: The third RC build for the FreeBSD 13.1 release cycle is now available. ISO images for the amd64, i386, arm64, powerpc64, powerpc64le, powerpcspe, and riscv architectures are FreeBSD mirror sites.


OpenBSD Errata: April 5, 2022 (syszlib): Errata patches for zlib in the kernel have been released for OpenBSD 6.9 and 7.0. Binary updates for the amd64, i386 and arm64 platform are available via the syspatch utility.

FreeBSD Errata Notice pf rulesets that set a limit on the number of table entries and include one or more address tables may occasionally fail to load. An initial load of the rules will succeed, but an attempt to re-load can fail. In this case, the problem persists until the system is rebooted.

OpenBSD Errata: April 11, 2022 (rpki): Errata patches for rpki-client have been released for OpenBSD 6.9 and 7.0. Binary updates for the amd64, i386 and arm64 platform are available via the syspatch utility.

As always, it’s worth following BSDSec. RSS feed and Twitter account available.


Operating systems battle: OpenBSD vs NixOS: Solène Rapenne: While I’m an OpenBSD contributor, I also enjoy using Linux especially the NixOS distribution which I consider a system apart from the other Linux distributions because of how different it is.

Q1 2022 Software Development Projects Update: The FreeBSD Foundation Technology Team and grant recipients have been busy over the first 3 months of 2022. Take a look at the status of the latest development projects and see what’s coming later in the year.

BSD Now 450: The ideas that made Unix, hints for writing Unix tools, cron best practices, three different sorts of filesystem errors, LibreSSL 3.5.1 released, taskwarrior to manage tasks, and more.

FreeBSD Fundraising Update Q1 2022 : 2021 fundraising goal of $1,250,000 have increased to $1,400,000. Article updates on areas that this money should support.


iblock: block scanner TCP connections under OpenBSD: iblock is a software whose purpose is to detect TCP connections, on specific ports, in order to block the corresponding IP adresses, through Packet Filter.

How to talk to a local IPMI under OpenBSD: Chris Siebenmann: OpenBSD can talk to a machine’s BMC (Baseboard Management Controller) that implements the IPMI specification using one of a number of standard interfaces, as covered in the “System Interfaces” section of ipmi(4). However, OpenBSD throws us a curve ball in that the ipmi(4) driver is normally present in the default OpenBSD kernel but not enabled.

Let’s install OpenBSD/riscv64 on QEMU: Brian Robert Callahan: Let’s figure out how to install OpenBSD/riscv64 on QEMU running Windows 11.

Improving Replication Security With OpenZFS Delegation: OpenZFS privilege delegation is an extremely powerful tool that enables system administrators to carefully provide unprivileged users the ability to manage ZFS datasets and zvols at an extremely precise level —with much finer control than would be possible with generic security tools like sudo or doas.

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