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Get MirOS!

⚠ This page contains old, outdated, obsolete, … historic or WIP content! No warranties e.g. for correctness!

MirOS consists of several parts: the base system (including X11), the MirPorts framework, and the source tree. And you may want to read the install.i386(7) or install.sparc(7) documentation ☺

On a CD

You can get MirOS CDs in exchange for a donation of your choice at events where the MirOS developers have a booth. Normally, this booth is held together with the AllBSD people. Events with a MirOS booth include:

You can also ask Thorsten for install CDs and Benny for CDs with binary packages, distfiles and MirPorts on them. They will ship per snail mail; the usual pricing is: at least 15 EUR per CD (25 for both) to Germany. We cannot ship to outside the European Union and Switzerland.


Please verify the gzsig(1) signature of the checksums and the integrity of all checksummed files! See the install.i386(7) manpage for details about the installation process.

The preferred download method is BitTorrent, as it means lower bandwidth costs for us. You will find all downloads on our Torrent overview page – the former trackers and no longer exist, so please redownload (if older than 2010-09-26) all *.torrent files. Please leave the download window open for as long as possible after you finish.

Release Download

Development snapshots (current, i386 or sparc)

via HTTPvia BitTorrent

Note: This is the recommended version to install.

MirOS #10semel (stable, i386 + sparc)

Contains the CVS repository and some binary packages.

Released 16.03.2008 (Release announcement).

via HTTP: ISO @ Germany (IPv4/IPv6) / Japan (IPv4/IPv6)
NetInstall directory
NetInstall ISO / serial console @9600,8N1 / serial console @57600,8N1

via BitTorrent

Netinstall: go to one of the mirrors listed below and pull from the /MirOS/v10/{i386,sparc}/ directory.

Please see this news item for information regarding hashes of the release ISO.

MirOS #9semel (stable, i386)

Released 25.06.2006 (Release announcement).

via HTTPvia BitTorrent

MirOS #8semel (stable, i386)

Released 23.12.2005 (Release announcement).

via HTTPvia BitTorrent

MirOS #7quater (stable, sparc)

Released in 2003.

via HTTPvia BitTorrent

Mirrors for netinstall

For netinstall, first get the CD image (cdrom10.iso, usually about 4-5 MiB large) or a (net)bootable kernel (i386: pxeboot for MirOS #10 or boot for MirOS #11, replacing OpenBSD’s pxeboot, plus bsd.rd; sparc: either or boot, which replaces OpenBSD’s, and bsd.rd), or, if you have no other means, the floppy10.fs image. Then, select (H)TTP as set location, and use the FQDN as server name and the full path without the leading slash as path to the sets. Example: for the main mirror, the server name is, and the path to the sets for an i386 installation is MirOS/current/i386 (without a leading or trailing slash), for installing development snapshots.

You can also download these files (e.g. with wget -r -np) and then use a local mirror, or even copy them to the destination system first. (Note that you should take care that the filesystem with the sets on it is not newfs(8)d by the installer by not assigning a mount point.

Source code via anonymous CVS

To access the source code in the CVS repository, either point your browser to (CVSweb) or local CVSweb or use anonymous CVS with ssh to:

The old CVS repository may be available at some anoncvs mirrors as well, using :ext:anoncvs@…:/ncvs and :ext:anoncvs@…:/ocvs

If you get asked for a password, use anoncvs (but most mirrors should allow password-less logins to the anoncvs/anonrsync system) or the following SSH private key:


The same credentials can be used for anonymous rsync over ssh access, which allows you to download the entire CVS repository for local logs, checkouts, diffs, annotates, etc. which is much faster than remote. AnonRSYNC mirrors are the same as above, a sample call is:
$ rsync -rxlztpgavPHK --delete /cvs
Available modules include /cvs (always), the old repositories /ncvs and /ocvs (sometimes), binary MirPorts packages /Pkgs (often), their distfiles /Distfiles (sometimes), the download area /MirOS (usually), and the website /www (mostly).

The following tags are used in the CVS repository:

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