FreeBSD Resources

Monitor Your Hosts with Zabbix Practical Ports: Monitor Your Hosts with Zabbix By Benedict Reuschling I’d like to know what’s going on, especially on the servers and machines that I am responsible for. Monitoring those systems has become a good practice for me. There are simply too many to check on a daily basis, and […]

Letter from the Foundation Letter from the Foundation Welcome to the January/February edition of the FreeBSD Journal! A decade ago, we unveiled the inaugural issue, spotlighting the release of FreeBSD 10.0 and featuring discussions on pivotal topics such as the transition to clang as the base system C and C++ compiler, and ZFS. Over the […]

Make Your Own VPN —FreeBSD, Wireguard, IPv6 and Ad-blocking Included Make Your Own VPN —FreeBSD, Wireguard, IPv6 and Ad-blocking Included By Stefano Marinelli Note: This article assumes a setup based on FreeBSD. If you prefer a version based on OpenBSD, it is available here. VPNs are a fundamental tool for securely connecting to your own servers and […]

BATMAN: the Better Approach to Mobile Ad-hoc Networks BATMAN: the Better Approach to Mobile Ad-hoc Networks Aymeric Wibo In the expansive realm of network protocols, one stands out as a versatile and resilient contender: BATMAN, the Better Approach to Mobile Ad-hoc Networks. Through the airwaves of large cities, BATMAN allows devices to seamlessly communicate over […]

FreeBSD Interface API (IfAPI) FreeBSD Interface API (IfAPI) By Justin Hibbits As some may be aware, Juniper uses its own custom network stack with FreeBSD—forked long ago—so it only superficially resembles the current FreeBSD network stack. There is state in the current FreeBSD stack that doesn’t exist in Junos, and vise-versa. The Why and How […]

SR-IOV is a First Class FreeBSD Feature SR-IOV is a First Class FreeBSD Feature A detailed walkthrough of how to setup hardware-driven virtualization using SR-IOV capable devices in FreeBSD. By Mark McBride One of my favorite hardware features is called Single-Root Input/Output Virtualization (SR-IOV). It makes a single physical device appear like multiple similar devices […]

if_ovpn or OpenVPN if_ovpn or OpenVPN By Kristof Provost Today1, you’re going to be reading2 about OpenVPN’s DCO. Initially developed by James Yonan, OpenVPN saw its first release on May 13, 2001. It supports many common platforms (such as FreeBSD, OpenBSD, Dragonfly, AIX, …) and a few less common ones (macOS, Linux, Windows) as well. […]

Updates on TCP  in FreeBSD 14 Updates on TCP  in FreeBSD 14 It’s been about 3 ½ years since I last reported on the area of the FreeBSD project I focus on, namely, the TCP protocol implementation. For those who don’t know, FreeBSD doesn’t feature only one TCP stack, but multiple ones with development occurring dominantly […]

RACK and Alternate TCP Stacks for FreeBSD RACK and Alternate TCP Stacks for FreeBSD By Randall Stewart and Michael TÜxen In 2017 changes were made to the TCP stack in FreeBSD, allowing the coexistence of multiple TCP stacks. This way, the existing TCP stack could be left untouched and allow innovation at the cost of […]

DTrace, or Dynamic Tracing, is a performance analysis and troubleshooting tool included by default with FreeBSD. DTrace can help locate performance bottlenecks in production systems and can be used to patch live running instructions. In addition to diagnosing performance problems, DTrace can help investigate and debug unexpected behavior in both the FreeBSD kernel and userland […]

Events Calendar 2024 Events Calendar By Anne Dickison BSD Evnets taking place through March 2024 Please send details of any FreeBSD related events or events that are of interest for FreeBSD users which are not listed here to freebsd-doc@FreeBSD.org. State of Open Con 2024 February 6-7, 2024 London, UK SOOCon24 is the UK’s Open Technology […]

We Get Letters By Michael W Lucas The .0 Release is a Metaphorical Tire Change The Journal received a tsunami of letters this month. Once we composted the complaints about the We Get Letters columnist, that left two. Yes, your complaints are composted. This is a highly responsible publication, so I insist that all derogatory […]

Foundation Letter Letter from the Foundation A New Release is On the Way! Welcome to the September/October issue. As I write this, FreeBSD is putting the finishing touches on its next major release: 14.0. Stay tuned, as articles in the November/December issue will cover many of 14.0’s exciting new features. In the meantime, the current […]

New Ports Committer: Joel Bodenmann Interview New Ports Committer: Joel Bodenmann (jbo@freebsd.org) Interviewed By Tom Jones TJ: Hi Joel, welcome to the project. Could you give me a little background on yourself and the sort of technology projects you enjoy working on? JBO: I’m an electronics engineer mainly focusing on embedded systems. Usually I like […]

Hackathon: Oslo in October Hackathon: Oslo in October By Tom Jones Hackathon’s are a small-scale event where hackers (or developers) get together and conduct a marathon hacking session. Many parts of a hackathon track a marathon, a dedicated group come together and at an arranged time, they act separately, but towards a common goal. Like […]

Kick Me Now with Webhooks Kick Me Now with Webhooks By Dave Cottlehuber What Is a Webhook And Why Would I Want One? A webhook is an event-driven remote callback protocol over HTTP allowing scripts and tasks to be trivially invoked from almost any programming language or tool. What’s great about webhooks is their prevalence […]

FreeBSD Container Images FreeBSD Container Images By Doug Rabson OCI container engines such as containerd or podman need images. A container image is a read-only directory tree which typically contains an application with supporting files and libraries. Running this image on a container engine makes a writable clone of the image and executes the application […]

LinuxBoot: Booting FreeBSD from Linux LinuxBoot: Booting FreeBSD from Linux By Warner Losh How We Got Here Three major themes have led us to the point where LinuxBoot is gaining popularity: initial simplicity, uncontrolled growth, and a desire to return to a simpler time. All three themes have contributed to the complex booting ecosystems that […]

Packet Filter, also known as PF or pf, is a BSD-licensed stateful packet filter used to filter TCP/IP traffic and perform Network Address Translation (NAT.) Originally created by OpenBSD, PF has been ported to FreeBSD since 5.3-RELEASE. PF can identify where a packet should be directed or if it should even be allowed through; this […]

Foundation Letter Letter from the Foundation A New Release is On the Way! Welcome to the September/October issue. As I write this, FreeBSD is putting the finishing touches on its next major release: 14.0. Stay tuned, as articles in the November/December issue will cover many of 14.0’s exciting new features. In the meantime, the current […]

CCCamp 2023 Trip Report By TOM JONES It is a warm October, but I think this morning I saw the first frost of the year. Not that I am complaining about the weather (even if it is a national past time). Autumn is great, I get to wear hoodies again, and periods of sun are […]

By Anne Dickison BSD Events taking place through March 2024 Please send details of any FreeBSD related events or events that are of interest for FreeBSD users which are not listed here to freebsd-doc@FreeBSD.org. November 2023 FreeBSD Vendor Summit November 2-3, 2023 San Jose, CA The Summit provides commercial FreeBSD users with the unique opportunity […]

By Michael W Lucas Dear D-List Windbag Who Somehow Scammed Himself Into This Position, We’re right at the edge of a new release and our highly tuned environment has a whole bunch of custom-built software. Everyone’s sweating blood over the upgrade. How can I get my management off my back? —I Don’t Care What You […]

Recollections: An Interview with Warner Losh (imp@) By Tom Jones TJ: Can you tell us what you were doing in the late eighties and early nineties in the buildup to the FreeBSD project? WL: In the late eighties, I was getting my degree in computer science and mathematics from the New Mexico Institute of Mining […]