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Openbsd Frequently Asked Questions OpenBSD Frequently Asked Questions Language: [en] [cs] [de] [es] [fr] [id] [ja] [pl] [pt] [zh-cn] [zh-tw] Documentation and Frequently Asked Questions Other Documents Commonly Encountered Issues Recent updates Upgrade-MiniFAQ Ports and Packages Port Testing Guide This FAQ is supplemental documentation to the man pages, available both in the installed Using AnonCVS system and online. The FAQ covers the active release of OpenBSD, currently v3.4. Note Stable that the development version (-current) of OpenBSD is not covered by this FAQ. Using CVSup Manual pages The FAQ in PDF and plain text form is available in the pub/OpenBSD/doc directory Bug Reporting from the FTP mirrors, along with other documents. Mail lists PF User's Guide OpenSSH FAQ PDF files 1 - Introduction to OpenBSD OpenBSD FAQ ● 1.1 - What is OpenBSD? PF User's Guide ● 1.2 - On what systems does OpenBSD run? ● 1.3 - Is OpenBSD really free? Text files ● 1.4 - Why might I want to use OpenBSD? ● OpenBSD FAQ 1.5 - How can I help support OpenBSD? ● PF User's Guide 1.6 - Who maintains OpenBSD? ● 1.7 - When is the next release of OpenBSD? ● 1.8 - What is included with OpenBSD? Back to OpenBSD ● 1.9 - What is new in OpenBSD 3.4? 2 - Other OpenBSD Information Resources ● 2.1 - Web Pages ● 2.2 - Mailing Lists ● 2.3 - Manual Pages ● 2.4 - Reporting Bugs 3 - Obtaining OpenBSD ● 3.1 - Buying an OpenBSD CD ● 3.2 - Buying OpenBSD T-Shirts ● 3.3 - Does OpenBSD provide an ISO image for download? ● 3.4 - Downloading via FTP or AFS ● 3.5 - Obtaining Current Source Code http://www.openbsd.org/faq/index.html (1 of 6) [30/04/2004 07:12:45] OpenBSD Frequently Asked Questions 4 - OpenBSD 3.4 Installation Guide ● 4.1 - Overview of the OpenBSD installation procedure. ● 4.2 - Preinstallation checklist ● 4.3 - Creating bootable OpenBSD install media ● 4.4 - Booting OpenBSD install media ● 4.5 - Performing an install ● 4.6 - What files are needed for Installation? ● 4.7 - How much space do I need for an OpenBSD installation? ● 4.8 - Multibooting OpenBSD ● 4.9 - Sending your dmesg to [email protected] after the install ● 4.10 - Adding a file set after install ● 4.11 - What is 'bsd.rd'? ● 4.12 - Common installation problems ● 4.13 - Customizing the install process ● 4.14 - How can I install a number of similar systems? ● 4.15 - How can I get a dmesg(8) to report an install problem? ● 4.16 - Upgrading/reinstalling OpenBSD/i386 using bsd.rd-a.out. 5 - Building the System from Source ● 5.1 - OpenBSD Flavors ● 5.2 - Why do I need a custom kernel? ● 5.3 - Kernel configuration Options ● 5.4 - Building your own kernel ● 5.5 - Boot-time configuration ● 5.6 - Getting more verbose output during boot ● 5.7 - Using config(8) to change your kernel binary ● 5.8 - Common Problems when Compiling and Building ● 5.9 - How do I build an OpenBSD release? 6 - Networking ● 6.1 - Before we go any further ● 6.2 - Initial network setup ● 6.3 - How do I filter and firewall with OpenBSD? ● 6.4 - Dynamic Host Configuration Protocol ● 6.5 - Point to Point Protocol ● 6.6 - Tuning networking parameters ● 6.7 - Using NFS ● 6.8 - Setting up a PPTP connection in OpenBSD ● 6.9 - Setting up a bridge with OpenBSD 7 - Keyboard and Display Controls ● 7.1 - How do I remap the keyboard? (wscons) ● 7.2 - Is there gpm or the like in OpenBSD? ● 7.3 - How do I clear the console each time a user logs out? http://www.openbsd.org/faq/index.html (2 of 6) [30/04/2004 07:12:45] OpenBSD Frequently Asked Questions ● 7.4 - Accessing the console scrollback buffer. (alpha/macppc/i386) ● 7.5 - How do I switch consoles? (i386) ● 7.6 - How can I use a console resolution of 80x50? (i386) ● 7.7 - How do I use a serial console? ● 7.8 - How do I blank my console? (wscons) 8 - General Questions ● 8.1 - I forgot my root password... What do I do! ● 8.2 - X won't start, I get lots of error messages ● 8.3 - What is CVS, and how do I use it? ● 8.4 - What is the ports tree? ● 8.5 - What are packages? ● 8.6 - Should I use Ports or Packages? ● 8.8 - Is there any way to use my floppy drive if it's not attached during boot? ● 8.9 - OpenBSD Bootloader (i386 specific) ● 8.10 - Using S/Key on your OpenBSD system ● 8.12 - Does OpenBSD support SMP? ● 8.13 - I sometimes get Input/output error when trying to use my tty devices ● 8.14 - What web browsers are available for OpenBSD? ● 8.15 - How do I use the mg editor? ● 8.16 - Ksh does not appear to read my .profile! ● 8.17 - Why does my /etc/motd file get written over when I modified it? ● 8.18 - Why does www.openbsd.org run on Solaris? ● 8.19 - I'm having problems with PCI devices being detected ● 8.20 - Antialiased and TrueType fonts in XFree86 ● 8.21 - Does OpenBSD support any journaling filesystems? ● 8.22 - Reverse DNS or Why is it taking so long for me to log in? ● 8.23 - Why do the OpenBSD web pages not conform to HTML4/XHTML? ● 8.24 - Why is my clock off by twenty-some seconds? 9 - Migrating from Linux ● 9.1 - Tips for Linux (and other free Unix-like OS) users ● 9.2 - Dual boot of Linux and OpenBSD ● 9.3 - Converting your Linux (or other System-7 style) password file to BSD- style. ● 9.4 - Running Linux binaries on OpenBSD ● 9.5 - Accessing your Linux files from OpenBSD 10 - System Management ● 10.1 - When I try to su to root it says that I'm in the wrong group ● 10.2 - How do I duplicate a filesystem? ● 10.3 - How do I start daemons with the system? (Overview of rc(8)) ● 10.4 - Why do users get relaying access denied when they are remotely sending mail through my OpenBSD system? ● 10.5 - I've set up POP, but I get errors when accessing my mail through POP. What can I do? http://www.openbsd.org/faq/index.html (3 of 6) [30/04/2004 07:12:45] OpenBSD Frequently Asked Questions ● 10.6 - Why does Sendmail ignore /etc/hosts file? ● 10.7 - Setting up a Secure HTTP Server using SSL(8) ● 10.8 - I made changes to /etc/passwd with vi(1), but the changes didn't seem to take place. Why? ● 10.9 - How do I add a user? or delete a user? ● 10.10 - How do I create a ftp-only account? ● 10.11 - Setting up user disk quotas ● 10.12 - Setting up KerberosV Clients and Servers ● 10.13 - Setting up an Anonymous FTP Server ● 10.14 - Confining users to their home dir's in ftpd(8). ● 10.15 - Applying patches in OpenBSD. ● 10.16 - Tell me about chroot() Apache? ● 10.17 - I don't like the standard root shell! ● 10.18 - What else can I do with ksh? 11 - Performance Tuning ● 11.1 - Disk I/O ● 11.2 - Hardware Choices ● 11.3 - Why aren't we using async mounts? ● 11.4 - Tuning your monitor resolution under XFree86 12 - Platform-Specific Questions ● 12.1 - General hardware notes ● 12.2 - DEC Alpha ● 12.3 - HP 9000 series 300, 400 ● 12.4 - HPPA ● 12.5 - i386 ● 12.6 - Mac68k ● 12.7 - MacPPC ● 12.8 - MVME68k ● 12.9 - SPARC ● 12.10 - UltraSPARC ● 12.11 - DEC VAX 14 - Disk Setup ● 14.1 - Using OpenBSD's disklabel(8) ● 14.2 - Using OpenBSD's fdisk(8) ● 14.3 - Adding extra disks in OpenBSD ● 14.4 - How to swap to a file ● 14.5 - Soft Updates ● 14.6 - How does OpenBSD/i386 boot? ● 14.7 - What are the issues regarding large drives with OpenBSD? ● 14.8 - Installing Bootblocks - i386 specific ● 14.9 - Preparing for disaster: Backing up and Restoring from tape. ● 14.10 - Mounting disk images in OpenBSD ● 14.11 - Help! I'm getting errors with IDE DMA! http://www.openbsd.org/faq/index.html (4 of 6) [30/04/2004 07:12:45] OpenBSD Frequently Asked Questions ● 14.13 - RAID options with OpenBSD PF User's Guide ● Basic Configuration ❍ Getting Started ❍ Lists and Macros ❍ Tables ❍ Packet Filtering ❍ Network Address Translation ❍ Traffic Redirection (Port Forwarding) ❍ Shortcuts For Creating Rulesets ● Advanced Configuration ❍ Runtime Options ❍ Scrub (Packet Normalization) ❍ Anchors and Named (Sub) Rulesets ❍ Packet Queueing and Prioritization ❍ Address Pools and Load Balancing ❍ Packet Tagging ● Additional Topics ❍ Logging ❍ Performance ❍ Issues with FTP ❍ Authpf: User Shell for Authenticating Gateways ● Example Rulesets ❍ Example #1: Firewall for Home or Small Office Commonly Encountered Issues ● Upgrading/reinstalling OpenBSD/i386 using bsd.rd-a.out. ● Common Installation Problems ● What is new in OpenBSD 3.4? ● How do I upgrade my system? ● Packet Filter ● Should I use Ports or Packages? ● How do I set up a multi-boot system? ● Issues with Large Drives and OpenBSD Recent Updates ● FAQ 14 - IDE DMA errors ● FAQ 14 - How does OpenBSD/i386 boot? ● FAQ 4 - Upgrading/reinstalling OpenBSD/i386 using bsd.rd-a.out. ● PF FAQ updated for 3.4 ● FAQ updated for OpenBSD 3.4 http://www.openbsd.org/faq/index.html (5 of 6) [30/04/2004 07:12:45] OpenBSD Frequently Asked Questions ● FAQ 1 - What's new in OpenBSD 3.4? ● FAQ 4, Improved overview of the installation process The FAQ maintainer is Nick Holland. Additional contributors to the FAQ include Joel Knight, Eric Jackson, Wim Vandeputte and Chris Cappuccio. For information about and assisting in the translation of this FAQ and the rest of the OpenBSD website, see the translation page.
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