OpenBSD specific links
Essential
References invaluable for any OpenBSD user. All people that have an interest in open source and/or UNIX should at least once try to be an OpenBSD user. Many of you will get stuck when you do.
- www.openbsd.org - OpenBSD main site
- OpenBSD FAQ
- OpenBSD Ports
- undeadly.org - Main OpenBSD news. See e.g. How OpenBSD is made.
- Absolute Openbsd: Unix for the Practical Paranoid (Book) - A very good introduction that you will use for a long time.
- OpenBSD @BSDCAN 2017 Interview
General information
- Installing OpenBSD on Oracle Cloud
- OpenBSD on a laptop
- Derek Sivers uses OpenBSD
- snap upgrade tool
" M:Tier stable packages - FreeBSD a lesson in poor defaults
- garbage podcast
- snap upgrade script
- Transition to OpenBSD 5.6 and Transition to OpenBSD 5.5 by Peter Hansteen
- FreeBSD - The unknown giant
- Dru Lavigne Blog
- Dru's BSD Events Twitter feed
- BSD News - Alive again
- BSD vs. Linux Holy war
- calomel.org
- Puffy Flock
- Polish Linux: OS Comparison
- http://www.openbsd101.com/
- OpenBSD Support
- BSD Confereces channel on YouTube
- SysAdmin Tips from PreFetch
- KernelPanic Guides
- OpenBSD guides (svenska)
- OpenBSD.se
- BlogFish
- www.weirdnet.nl
- Roqefellas
- sial.org how-to
- Polarwave's OpenBSD Tips and Tricks
- IBM present OpenBSD 4.3
- NetBSD and Linux for Embedded Systems
- Hubertfs NetBSD Blog
- Phoronix Linux, xBSD, Solaris performance comparison
- Linux performance: is Linux becoming just too slow and bloated?
- Edd Barrett blog
- DragonFly Digest - Also contains general xBSD information.
- BSD cognoscenti on Linux and Linus compares Linux and BSDs
- devio.us - Free OpenBSD shell account
- Interview Dru Lavigne
- OpenBSD Commit statisitics
- Life is Puffy
- OpenBSD 4.8 Review by Distrowatch
- Some notes on Arch Linux - From a guy with BSD perspective. I always thought that Arch borrowed much of the philosophy from OpenBSD.
- Chess Griffin Blog - OpenBSD, Arch etc. user that previously ran Linux Reality podcast.
- huggpunkt.org - Swedish OpenBSD related blogg
- Meet Martin Husemann And NetBSD - Martin is obviously no friend of OpenBSD, but still interesting.
- bhyve.org - BHyVe and BHyVe Call for testing
- TuM'Fatig I.T. for the masses, by Joel Carnat - Many OpenBSD oriented guides
- micro systems - Company by Mark Balmer an OpenBSD (now NetBSD) developer.
- nixCraft OpenBSD topics
- Crowding out OpenBSD
- BSDAnywhere - Live CD
Fun
Ports
- UsefulPorts
- How To Create a OpenBSD port
- Portstutorial
- OpenBSD TeXLive porting guide
- OpenIDS - OpenBSD based distribution for intrution detection using Snort.
- Epitome - a "deduplication" engine writted for OpenBSD
- Chromium on OpenBSD - Port created by Peter Valchev working in Google.
- WIP Ports
- M:Tiers stable packages
Special projects
- Alix Firewall
- Bowlfish - minimal OpenBSD install distribution (updated for OpenBSD 4.5)
- FreeBSD on ARM architectures
- TrustedBSD
- dmesg database
- Porting the Hammer FS to Linux - Hammer which could be ported to
*BSD. A FreeBSD port is at least on the idea state. - BhyVe Hypervisor - FreeBSD hypervisor which could be ported to xBSD.
- BinpatchNG - Also see binpatch-ng at M:tier
Installation and Configuration
- OpenBSD vs Linux for Rails
- Beagle Bone Black with OpenBSD
- OpenBSD on Oracle Cloud
- rset configuration
- HTTPS with acme-client and Let’s Encrypt on OpenBSD
- ksh autocomplete - from 6.1
- GSM / GPRS / UMTS with OpenBSD
- Binary patches for OpenBSD
- Bandwidth management for ADSL with OpenBSD
- Soekretis Setup
- Soekretis Setup 2
- IPSec Setup
- hoststated and load balancing
- Diskless Install How to
- Howto clone OBSD install
- CVS+SSH+OpenBSD
- OpenBSDBinPatch
- Running and tuning OpenBSD network servers
- Greylisting with PF
- Monitoring PF firewalls for health and performance
- RemoteCrashManagement
- Cleaning up the backyard
- Interview with Theo from 2000
- OpenBSD LiveUSB
- Asterix On OpenBSD
- The book of PF (Book)
- 16Systems - Various guides for e.g. partition encryption using both vnconfig and softraid. See also Softraid: OpenBSD's virtual HBA for further description of softraid.
- OpenBSD SNMP MIBs. Also see snmpd in base. From OpenBSD 5.2 Net-SNMP should be replaced by snmpd(8).
- Server Failover For the Cheap and Forgetful
- Alix router med OpenBSD - Swedish guide to install OpenBSD 5.0 on Alix board. Also see Mark's OpenBSD Router Guide.
- Next Door Laboratories
- Setting up full disk encryption in OpenBSD
- Remotely Installing OpenBSD on a Headless Linux Server
- Auto Install
- Running a Linux VM on OpenBSD
- An OpenBSD Workstation - ti[s about projector output via xrandr etc.
OpenBSD internal architecture
- OpenBSD developmer events - Check out the presentations!
- OpenBSD Kernel Overview
- Driver Architecture in OpenBSD
- Driver Architecture and Implementation in OpenBSD
- Using OpenBSD Security Features to Find Software Bugs
- SU+J code - Include in OpenBSD?
- OpenBSD Hardware Sensors: Environmental Monitoring and Fan Control - Hardware sensors, ACPI, IPMI etc.
- Experiences with kqueue and Kqueues for Fun and Profit - kqueue event notification.
- Porting OpenBSD to Fiasco - L4OpenBSD
- Finding Bugs in Open Source Kernels using Parfait - Static code analysis applied on Linux, Solaris and OpenBSD. Also see Parfait project page.
- rthreads: A New Thread Implementation for OpenBSD - rthreads is finally under way for OpenBSD 5.2.
- Choosing between portability and innovation - Problems with portabilitly between BSD's and Linux.
- Improving Host Security with System Call Policies
- GNOME and/or systemd
- bsdtalk221 - Xenocara with Matthieu Herrb - Describes OpenBSD build system for X.org, Xenocara. Discuss current user land implementation of KMS. Mesa is not supported.
- About ZFS and Hammer on OpenBSD
- The Anykernel and Rump Kernels by NetBSD - OS driver environement virtualization. Also see vKernel in DragonflyBSD.
Commercial Solutions based on OpenBSD
OpenBSD has a lot of commercial users but here I have listed a number of special interest to me.
- A company, Echothrust Solutions, using OpenBSD for everything from servers to desktop. The company setup is interesting for all of us using OpenBSD.
- Xenios WLAN gateway SW in OBSD
- Echothrust Blog
- COMIXWALL - Firewall solution based on PF and other tools. TechWorld Review(Svenska)
- BSDTalk 151 - OpenBSD used by Frantic Films in many applications.
- OpenBSD in Financial Industy
- OpenBSD at Santa Cruz University
- Firewall Failover with pfsync and CARP
- http://rgnets.com/
- http://www.fatport.com/
- Loopia Blog - One of the best webhosting companies in Sweden are using BSD OS for most of their services.
- RTMX O/S - a product extension to OpenBSD with emphasis on embedded applications. Extentions has been donated back to standard distribution. Soon we a real-time support on OpenBSD! See Solaris Real Time Foundations as comparison.
- SemiHalf - Company specializing in porting FreeBSD to embedded architectures e.g. ARM.
- Spam Cheetah - Spam filtering solution from India
- T2 SDE - Linux distribution creation inspired mostly by OpenBSD. T2 is based in Berlin. Also see Arch which also use concepts from xBSD's.
- OpenBSD and Linux: Insights into a migration project at the INI
- Calyptix Firewall
- Profense by ArmorLocic - Firewall product is based on OpenBSD.
- NetClean - Based on FreeBSD/Linux
- Helion Prime - Russian software development company
- Bytemine
- CoreNAS (previously FreeNAS)
- Kanebox - Kanebox is a firewall/router/WAP/IPS replacement, running OpenBSD and written in C and Lisp.
- Enki Multimedia
- BSDLabs - Swedish hosting company
- M:Tier - Fortune 500 enterprise customers
- pfSense - Firewall appliance based on FreeBSD and OpenBSD pf filter
- Halon - Swedish firewall appliance products based on OpenBSD. See e.g. Halon SX-101. See comparison with similar products Halon Comparison and halon software.
- Netflix Appliance based on FreeBSD
- Cyphertite - Commercial solution based on Epitome.
- Thin Client by M:tier, undeadly article and more about M:tier
- GAINFRAME - provider of BSD friendly hardware. Also see related undeadly artivcle.
- Genua Secure Laptop uses OpenBSD as firewall.
- Muniam - Henning Brauer managed firewall
General UNIX
- TTYs and X Window now and then interesting anthology that explains the architecture of UNIX.
- SMP progress in DragonflyBSD and HAMMER 2 (est. release in summer 2014)