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dnl $OpenBSD: INSTALL,v 1.35 2003/03/25 19:57:56 miod Exp $
include(INCLUDE/../m4.common)dnl
INSTALLATION NOTES for OpenBSD/MACHINE OSREV
What is OpenBSD?
----------------
OpenBSD is a fully functional, multi-platform UN*X-like Operating
System based on Berkeley Networking Release 2 (Net/2) and 4.4BSD-Lite.
There are several operating systems in this family, but OpenBSD
differentiates itself by putting security and correctness first. The
OpenBSD team strives to achieve what is called 'a secure by default'
status. This means that an OpenBSD user should feel safe that their
newly installed machine will not be compromised. This 'secure by
default' goal is achieved by taking a proactive stance on security.
Since security flaws are essentially mistakes in design or implement-
ation, the OpenBSD team puts as much importance on finding and fixing
existing design flaws and implementation bugs as it does writing new
code. This means that an OpenBSD system will not only be more secure,
but it will be more stable. The source code for all critical system
components has been checked for remote-access, local-access, denial-
of-service, data destruction, and information-gathering problems.
In addition to bug fixing, OpenBSD has integrated strong cryptography
into the base system. A fully functional IPsec implementation is
provided as well as support for common protocols such as SSL and SSH.
Network filtering and monitoring tools such as packet filtering, NAT, and
bridging are also standard. For high performance demands, support for
hardware cryptography has also been added to the base system. Because
security is often seen as a tradeoff with usability, OpenBSD provides
as many security options as possible to allow the user to enjoy secure
computing without feeling burdened by it.
To integrate more smoothly in other environments, OpenBSD OSREV also
provides several binary emulation subsystems (which includes
iBCS2, Linux, OSF/1, SunOS, SVR4, Solaris, and Ultrix compatibility),
aiming at making the emulation as accurate as possible so that it is
transparent to the user.
Because OpenBSD is from Canada, the export of Cryptography pieces
(such as SSH, IPsec, and Kerberos) to the world is not restricted.
(NOTE: OpenBSD can not be re-exported from the US once it has entered
the US. Because of this, take care NOT to get the distribution from
an FTP server in the US if you are outside of Canada and the US.)
The OSREV release features more user programs and device drivers,
extensive firewalling and network bandwidth management capabilities,
as well as numerous security mechanisms (stricter control over memory
execute and write permissions, compiler built-in stack protection,
privilege separation or early revocation of privileges in more and
more executables, etc).
includeit(whatis)dnl
Sources of OpenBSD:
-------------------
includeit(mirrors)dnl
OpenBSD OSREV Release Contents:
-----------------------------
The OpenBSD OSREV release is organized in the following way. In the
.../OSREV directory, for each of the architectures having an OpenBSD OSREV
binary distribution, there is a sub-directory.
includeit(contents)
OpenBSD System Requirements and Supported Devices:
--------------------------------------------------
includeit(hardware)
Getting the OpenBSD System onto Useful Media:
---------------------------------------------
includeit(xfer)
Preparing your System for OpenBSD Installation:
-----------------------------------------------
includeit(prep)
Installing the OpenBSD System:
------------------------------
includeit(install)
Upgrading a previously-installed OpenBSD System:
------------------------------------------------
includeit(upgrade)
Getting source code for your OpenBSD System:
--------------------------------------------
Now that your OpenBSD system is up and running, you probably want to get
access to source code so that you can recompile pieces of the system.
A few methods are provided. If you have an OpenBSD CD-ROM, the source code
is provided. Otherwise, you can get the pieces over the Internet using
ANONCVS, CTM or FTP. For more information, see
http://www.openbsd.org/anoncvs.html
http://www.openbsd.org/ctm.html
http://www.openbsd.org/ftp.html
Using online OpenBSD documentation:
-----------------------------------
Documentation is available if you first install the manual
distribution set. Traditionally, the UN*X "man pages" (documentation)
are denoted by 'name(section)'. Some examples of this are
intro(1),
man(1),
apropos(1),
passwd(1),
passwd(5) and
afterboot(8).
The section numbers group the topics into several categories, but three
are of primary interest: user commands are in section 1, file formats
are in section 5, and administrative information is in section 8.
The 'man' command is used to view the documentation on a topic, and is
started by entering 'man [section] topic'. The brackets [] around the
section should not be entered, but rather indicate that the section is
optional. If you don't ask for a particular section, the topic with the
least-numbered section name will be displayed. For instance, after
logging in, enter
man passwd
to read the documentation for passwd(1). To view the documentation for
passwd(5), enter
man 5 passwd
instead.
If you are unsure of what man page you are looking for, enter
apropos subject-word
where "subject-word" is your topic of interest; a list of possibly
related man pages will be displayed.
Adding third party software; ``packages'' and ``ports'':
-------------------------------------------------------
includeit(packages)
Administrivia:
--------------
There are various mailing lists available via the mailing list
server at <majordomo@OpenBSD.ORG>. To get help on using the mailing
list server, send mail to that address with an empty body, and it will
reply with instructions. There are also two OpenBSD Usenet newsgroups,
comp.unix.bsd.openbsd.announce for important announcements and
comp.unix.bsd.openbsd.misc for general OpenBSD discussion.
To report bugs, use the 'sendbug' command shipped with OpenBSD,
and fill in as much information about the problem as you can. Good
bug reports {:-include-:} lots of details. Additionally, bug reports can
be sent by mail to:
bugs@OpenBSD.ORG
Use of 'sendbug' is encouraged, however, because bugs reported with it
are entered into the OpenBSD bugs database, and thus can't slip through
the cracks.
As a favor, please avoid mailing huge documents or files to the
mailing lists. Instead, put the material you would have sent up
for FTP somewhere, then mail the appropriate list about it, or, if
you'd rather not do that, mail the list saying you'll send the data
to those who want it.
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