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<title>OpenBSD 5.2</title>

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5.2

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Released Nov 1, 2012<br>

<br>

5.2 Song: <a href="lyrics.html#52">"Aquarela do Linux"</a>

<br>

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<ul>

<li>See the information on <a href="ftp.html">The FTP page</a> for

a list of mirror machines.

<li>Go to the <font color="#e00000">pub/OpenBSD/5.2/</font> directory on

<li>Go to the <code class=reldir>pub/OpenBSD/5.2/</code> directory on

one of the mirror sites.

<li>Have a look at <a href="errata52.html">The 5.2 Errata page</a> for a list

of bugs and workarounds.

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All applicable copyrights and credits are in the src.tar.gz,

sys.tar.gz, xenocara.tar.gz, ports.tar.gz files, or in the

files fetched via ports.tar.gz.

</table>

<hr>

<p>

<p>

This is a partial list of new features and systems included in OpenBSD 5.2.

For a comprehensive list, see the <a href="plus52.html">changelog</a> leading

to 5.2.

<p>

<ul>

<li><a href="https://man.openbsd.org/?query=pthreads&sektion=3">pthreads(3)</a> support:

<li><a href="https://man.openbsd.org/pthreads.3">pthreads(3)</a> support:

<ul>

<li>The most significant change in this release is the replacement of

the user-level uthreads by kernel-level rthreads, allowing multithreaded

programs to utilize multiple CPUs/cores.

<li>Use PTHREAD_MUTEX_STRICT_NP as default mutex type.

<li>Added pthread spinlock and barrier routines.

<li>Added <a href="https://man.openbsd.org/?query=pthread_mutex_lock&sektion=3">pthread_mutex_timedlock(3)</a> and <a href="https://man.openbsd.org/?query=sem_wait&sektion=3">sem_timedwait(3)</a>.

<li>Added <a href="https://man.openbsd.org/pthread_mutex_lock.3">pthread_mutex_timedlock(3)</a> and <a href="https://man.openbsd.org/sem_wait.3">sem_timedwait(3)</a>.

<li>Added <a href="https://man.openbsd.org/?query=pthread_condattr_init&sektion=3">pthread_condattr_setclock(3)</a>.

<li>Added <a href="https://man.openbsd.org/pthread_condattr_init.3">pthread_condattr_setclock(3)</a>.

<li>Added support for live multi-threaded debugging in <a href="https://man.openbsd.org/?query=gdb&sektion=1">gdb(1)</a>.

<li>Added support for live multi-threaded debugging in <a href="https://man.openbsd.org/gdb.1">gdb(1)</a>.

<li>Improved handling for <a href="https://man.openbsd.org/?query=getrusage&sektion=2">rusage</a> totals and <a href="https://man.openbsd.org/?query=getitimer&sektion=2">interval timers</a> in threaded processes.

<li>Improved handling for <a href="https://man.openbsd.org/getrusage.2">rusage</a> totals and <a href="https://man.openbsd.org/getitimer.2">interval timers</a> in threaded processes.

<li>Changed the RLIMIT_NPROC <a href="https://man.openbsd.org/?query=getrlimit&sektion=2">rlimit</a> to count processes instead of threads.

<li>Changed the RLIMIT_NPROC <a href="https://man.openbsd.org/getrlimit.2">rlimit</a> to count processes instead of threads.

<li>Added a new system limit <a href="https://man.openbsd.org/?query=sysctl&sektion=8">kern.maxthread</a> for the max number of threads.

<li>Added a new system limit <a href="https://man.openbsd.org/sysctl.8">kern.maxthread</a> for the max number of threads.

<li>Closed race conditions in thread creation, and in <a href="https://man.openbsd.org/?query=fork&sektion=2">fork(2)</a> and <a href="https://man.openbsd.org/?query=open&sektion=2">open(2)</a> in a threaded process.

<li>Closed race conditions in thread creation, and in <a href="https://man.openbsd.org/fork.2">fork(2)</a> and <a href="https://man.openbsd.org/open.2">open(2)</a> in a threaded process.

<li>Improved handling of threaded processes in <a href="https://man.openbsd.org/?query=ps&sektion=1">ps(1)</a>, <a href="https://man.openbsd.org/?query=top&sektion=1">top(1)</a>, and <a href="https://man.openbsd.org/?query=fstat&sektion=1">fstat(1)</a>.

<li>Improved handling of threaded processes in <a href="https://man.openbsd.org/ps.1">ps(1)</a>, <a href="https://man.openbsd.org/top.1">top(1)</a>, and <a href="https://man.openbsd.org/fstat.1">fstat(1)</a>.

<li>Changed the lock around <a href="https://man.openbsd.org/?query=dlfcn&sektion=3">dlopen()</a> to be recursive, so that dl*() operations from <a href="https://man.openbsd.org/?query=atexit&sektion=3">atexit()</a> handlers don't deadlock.

<li>Changed the lock around <a href="https://man.openbsd.org/dlfcn.3">dlopen()</a> to be recursive, so that dl*() operations from <a href="https://man.openbsd.org/atexit.3">atexit()</a> handlers don't deadlock.

<li>Many fixes to pthread attribute and mutex error checking and cancellation handling.

</ul>

<p>

<li>Improved hardware support, including:

<ul>

<li>Added hibernation support on i386. Currently only working on <a href="https://man.openbsd.org/?query=pciide&sektion=4">pciide(4)</a> and <a href="https://man.openbsd.org/?query=wd&sektion=4">wd(4)</a> disks.

<li>Added hibernation support on i386. Currently only working on <a href="https://man.openbsd.org/pciide.4">pciide(4)</a> and <a href="https://man.openbsd.org/wd.4">wd(4)</a> disks.

<li>Improved support for ALPS based touchpads in <a href="https://man.openbsd.org/?query=wsmouse&sektion=4">wsmouse(4)</a> and the <a href="https://man.openbsd.org/?query=synaptics&sektion=4">synaptics(4)</a> X.Org input driver</a>.

<li>Improved support for ALPS based touchpads in <a href="https://man.openbsd.org/wsmouse.4">wsmouse(4)</a> and the <a href="https://man.openbsd.org/synaptics.4">synaptics(4)</a> X.Org input driver.

<li>Performance improvements with <a href="https://man.openbsd.org/?query=ix&sektion=4">ix(4)</a> Intel 10Gb Ethernet NICs.

<li>Performance improvements with <a href="https://man.openbsd.org/ix.4">ix(4)</a> Intel 10Gb Ethernet NICs.

<li>Support for i350 based devices in <a href="https://man.openbsd.org/?query=em&sektion=4">em(4)</a>.

<li>Support for i350 based devices in <a href="https://man.openbsd.org/em.4">em(4)</a>.

<li>Flow control support for <a href="https://man.openbsd.org/?query=bnx&sektion=4">bnx(4)</a>.

<li>Flow control support for <a href="https://man.openbsd.org/bnx.4">bnx(4)</a>.

<li>Hardware watchdog and HPET support for <a href="https://man.openbsd.org/?query=tcpcib&sektion=4&arch=amd64">tcpcib(4)</a> (Intel Atom E600) as found in some embedded x86 systems.

<li>Hardware watchdog and HPET support for <a href="https://man.openbsd.org/amd64/tcpcib.4">tcpcib(4)</a> (Intel Atom E600) as found in some embedded x86 systems.

<li><a href="https://man.openbsd.org/?query=urndis&sektion=4">urndis(4)</a> supports additional Android devices.

<li><a href="https://man.openbsd.org/urndis.4">urndis(4)</a> supports additional Android devices.

<li>Support for Winbond W83627UHG has been added to <a href="https://man.openbsd.org/?query=wbsio&sektion=4">wbsio(4)</a>.

<li>Support for Winbond W83627UHG has been added to <a href="https://man.openbsd.org/wbsio.4">wbsio(4)</a>.

<li>Support for the SMBus controller of the AMD CS5536 in <a href="https://man.openbsd.org/?query=glxpcib&sektion=4&arch=i386">glxpcib(4)</a> and the NVIDIA MCP89 in <a href="https://man.openbsd.org/?query=nviic&sektion=4&arch=i386">nviic(4)</a>.

<li>Support for the SMBus controller of the AMD CS5536 in <a href="https://man.openbsd.org/i386/i386/glxpcib.4">glxpcib(4)</a> and the NVIDIA MCP89 in <a href="https://man.openbsd.org/nviic.4">nviic(4)</a>.

<li>Support for AX88772B based devices has been added to <a href="https://man.openbsd.org/?query=axe&sektion=4">axe(4)</a>.

<li>Support for AX88772B based devices has been added to <a href="https://man.openbsd.org/axe.4">axe(4)</a>.

<li>Support for MCS7832 based devices has been added to <a href="https://man.openbsd.org/?query=mos&sektion=4">mos(4)</a>.

<li>Support for MCS7832 based devices has been added to <a href="https://man.openbsd.org/mos.4">mos(4)</a>.

<li>Support for the Roland UM-ONE has been added to <a href="https://man.openbsd.org/?query=umidi&sektion=4">umidi(4)</a>.

<li>Support for the Roland UM-ONE has been added to <a href="https://man.openbsd.org/umidi.4">umidi(4)</a>.

<li>Support for the AMD Hudson-2 chipset has been added to <a href="https://man.openbsd.org/?query=azalia&sektion=4">azalia(4)</a> and <a href="https://man.openbsd.org/?query=piixpm&sektion=4">piixpm(4)</a>.

<li>Support for the AMD Hudson-2 chipset has been added to <a href="https://man.openbsd.org/azalia.4">azalia(4)</a> and <a href="https://man.openbsd.org/piixpm.4">piixpm(4)</a>.

<li>Support for NetMos NM9820 cardbus serial cards has been added to <a href="https://man.openbsd.org/?query=com&sektion=4">com(4)</a>.

<li>Support for NetMos NM9820 cardbus serial cards has been added to <a href="https://man.openbsd.org/com.4">com(4)</a>.

<li>Support for Huawei Mobile E303 has been added to <a href="https://man.openbsd.org/?query=umsm&sektion=4">umsm(4)</a>.

<li>Support for Huawei Mobile E303 has been added to <a href="https://man.openbsd.org/umsm.4">umsm(4)</a>.

<li>The <a href="sgi.html">sgi</a> port now supports the R4000 Indigo (IP20), Indy (IP22), R4000 Indigo2 (IP24) and POWER Indigo2 R10000 (IP28) families.

</ul>

<p>

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<li>Fix yet another file descriptor leak in message passing.

<li>Improved error handling in socket splicing.

<li>IPv6 privacy addresses now appear alongside SLAAC addresses.

<li>Support for Extended Sequence Numbers has been added to the IPsec stack and <a href="https://man.openbsd.org/?query=iked&sektion=8">iked(8)</a>.

<li>Support for Extended Sequence Numbers has been added to the IPsec stack and <a href="https://man.openbsd.org/iked.8">iked(8)</a>.

<li>Bridging two IPv4 networks over an IPv6 link with <a href="https://man.openbsd.org/?query=gif&sektion=4">gif(4)</a> is now possible.

<li>Bridging two IPv4 networks over an IPv6 link with <a href="https://man.openbsd.org/gif.4">gif(4)</a> is now possible.

</ul>

<p>

<li>Routing daemons and other userland network improvements:

<ul>

<li><a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a>,

<li><a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>,

<a href="https://man.openbsd.org/?query=dvmrpd&sektion=8">dvmrpd(8)</a>,

<a href="https://man.openbsd.org/dvmrpd.8">dvmrpd(8)</a>,

<a href="https://man.openbsd.org/?query=ftp-proxy&sektion=8">ftp-proxy(8)</a>,

<a href="https://man.openbsd.org/ftp-proxy.8">ftp-proxy(8)</a>,

<a href="https://man.openbsd.org/?query=iked&sektion=8">iked(8)</a>,

<a href="https://man.openbsd.org/iked.8">iked(8)</a>,

<a href="https://man.openbsd.org/?query=iscsid&sektion=8">iscsid(8)</a>,

<a href="https://man.openbsd.org/iscsid.8">iscsid(8)</a>,

<a href="https://man.openbsd.org/?query=ldapd&sektion=8">ldapd(8)</a>,

<a href="https://man.openbsd.org/ldapd.8">ldapd(8)</a>,

<a href="https://man.openbsd.org/?query=ldpd&sektion=8">ldpd(8)</a>,

<a href="https://man.openbsd.org/ldpd.8">ldpd(8)</a>,

<a href="https://man.openbsd.org/?query=nsd&sektion=8">nsd(8)</a>,

<a href="https://man.openbsd.org/nsd.8">nsd(8)</a>,

<a href="https://man.openbsd.org/?query=ospf6d&sektion=8">ospf6d(8)</a>,

<a href="https://man.openbsd.org/ospf6d.8">ospf6d(8)</a>,

<a href="https://man.openbsd.org/?query=ospfd&sektion=8">ospfd(8)</a>,

<a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>,

<a href="https://man.openbsd.org/?query=relayd&sektion=8">relayd(8)</a>,

<a href="https://man.openbsd.org/relayd.8">relayd(8)</a>,

<a href="https://man.openbsd.org/?query=ripd&sektion=8">ripd(8)</a>,

<a href="https://man.openbsd.org/ripd.8">ripd(8)</a>,

<a href="https://man.openbsd.org/?query=sndiod&sektion=8">sndiod(8)</a>,

<a href="https://man.openbsd.org/sndiod.8">sndiod(8)</a>,

<a href="https://man.openbsd.org/?query=snmpd&sektion=8">snmpd(8)</a>,

<a href="https://man.openbsd.org/snmpd.8">snmpd(8)</a>,

<a href="https://man.openbsd.org/?query=spamd&sektion=8">spamd(8)</a>,

<a href="https://man.openbsd.org/spamd.8">spamd(8)</a>,

<a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>,

<a href="https://man.openbsd.org/sshd.8">sshd(8)</a>,

<a href="https://man.openbsd.org/?query=tcpbench&sektion=1">tcpbench(1)</a> and

<a href="https://man.openbsd.org/tcpbench.1">tcpbench(1)</a> and

now rate limit their accepting of new connections when experiencing file descriptor exhaustion.

<li>Allow <a href="https://man.openbsd.org/?query=route&sektion=8">route(8)</a> destination/prefixlen syntax for IPv6 routes.

<li>Allow <a href="https://man.openbsd.org/route.8">route(8)</a> destination/prefixlen syntax for IPv6 routes.

<li>ASCII packet dumping support in <a href="https://man.openbsd.org/?query=tcpdump&sektion=8">tcpdump(8)</a>.

<li>ASCII packet dumping support in <a href="https://man.openbsd.org/tcpdump.8">tcpdump(8)</a>.

<li>Better etherip and BGP protocol support in <a href="https://man.openbsd.org/?query=tcpdump&sektion=8">tcpdump(8)</a>.

<li>Better etherip and BGP protocol support in <a href="https://man.openbsd.org/tcpdump.8">tcpdump(8)</a>.

<li><a href="https://man.openbsd.org/?query=isakmpd&sektion=8">isakmpd(8)</a> and

<li><a href="https://man.openbsd.org/isakmpd.8">isakmpd(8)</a> and

<a href="https://man.openbsd.org/?query=tcpdump&sektion=8">tcpdump(8)</a>

<a href="https://man.openbsd.org/tcpdump.8">tcpdump(8)</a>

now recognize additional Internet Key Exchange DH groups.

<li>Various improvements in <a href="https://man.openbsd.org/?query=iked&sektion=8">iked(8)</a>

<li>Various improvements in <a href="https://man.openbsd.org/iked.8">iked(8)</a>

including support for retransmits.

<li><a href="https://man.openbsd.org/?query=ipsecctl&sektion=8">ipsecctl(8)</a>

<li><a href="https://man.openbsd.org/ipsecctl.8">ipsecctl(8)</a>

now allows SA lifetimes to be specified in its

<a href="https://man.openbsd.org/?query=ipsec.conf&sektion=5">ipsec.conf(5)</a>

<a href="https://man.openbsd.org/ipsec.conf.5">ipsec.conf(5)</a>

file.

<li><a href="https://man.openbsd.org/?query=tftpd&sektion=8">tftpd(8)</a> rewritten as a persistent, non-blocking daemon.

<li><a href="https://man.openbsd.org/tftpd.8">tftpd(8)</a> rewritten as a persistent, non-blocking daemon.

<li><a href="https://man.openbsd.org/?query=tftp&sektion=1">tftp(1)</a> client now supports IPv6.

<li><a href="https://man.openbsd.org/tftp.1">tftp(1)</a> client now supports IPv6.

<li><a href="https://man.openbsd.org/?query=snmpd&sektion=8">snmpd(8)</a> now supports PF-MIB, UCD-DISKIO-MIB, and

<li><a href="https://man.openbsd.org/snmpd.8">snmpd(8)</a> now supports PF-MIB, UCD-DISKIO-MIB, and

additional OIDs in HOST-RESOURCES-MIB.

<li><a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a> is now more robust when encountering network instability.

<li><a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a> is now more robust when encountering network instability.

<li>Adjust the <a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a> route decision code to cover checks needed due to route reflection.

<li>Adjust the <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a> route decision code to cover checks needed due to route reflection.

<li>Various fixes to improve error reporting in <a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a> including support of RFC 6608.

<li>Various fixes to improve error reporting in <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a> including support of RFC 6608.

<li>For debugging purposes <a href="https://man.openbsd.org/?query=bgpctl&sektion=8">bgpctl(8)</a> can load MRT dumps into <a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a>.

<li>For debugging purposes <a href="https://man.openbsd.org/bgpctl.8">bgpctl(8)</a> can load MRT dumps into <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>.

<li>Fixed distribution of MPLS VPN routes in <a href="https://man.openbsd.org/?query=bgpd&sektion=8">bgpd(8)</a>.

<li>Fixed distribution of MPLS VPN routes in <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>.

<li>Introduced a new option "selected" to the <a href="https://man.openbsd.org/?query=bgpctl&sektion=8">bgpctl(8)</a> "show rib" command to show only selected routes.

<li>Introduced a new option "selected" to the <a href="https://man.openbsd.org/bgpctl.8">bgpctl(8)</a> "show rib" command to show only selected routes.

<li>Correctly support the LSA_TYPE_AREA_OPAQ and LSA_TYPE_AS_OPAQ types in <a href="https://man.openbsd.org/?query=ospfd&sektion=8">ospfd(8)</a>.

<li>Correctly support the LSA_TYPE_AREA_OPAQ and LSA_TYPE_AS_OPAQ types in <a href="https://man.openbsd.org/ospfd.8">ospfd(8)</a>.

<li>Make <a href="https://man.openbsd.org/?query=relayd&sektion=8">relayd(8)</a> able to handle transactions larger than 2GB in size.

<li>Make <a href="https://man.openbsd.org/relayd.8">relayd(8)</a> able to handle transactions larger than 2GB in size.

<li>Various bug fixes and better HTTP standard compliance in <a href="https://man.openbsd.org/?query=relayd&sektion=8">relayd(8)</a>.

<li>Various bug fixes and better HTTP standard compliance in <a href="https://man.openbsd.org/relayd.8">relayd(8)</a>.

<li><a href="https://man.openbsd.org/?query=rtadvd&sektion=8">rtadvd(8)</a>

<li><a href="https://man.openbsd.org/rtadvd.8">rtadvd(8)</a>

can now advertise DNS servers and search paths in router advertisements.

<li><a href="https://man.openbsd.org/?query=rtadvd&sektion=8">rtadvd(8)</a>

<li><a href="https://man.openbsd.org/rtadvd.8">rtadvd(8)</a>

can now send router advertisements with no prefix information using the noifprefix option.

client now allows the source IP address of the connection to be specified.

<li><a href="https://man.openbsd.org/?query=ypldap&sektion=8">ypldap(8)</a>

<li><a href="https://man.openbsd.org/ypldap.8">ypldap(8)</a>

now handles larger directories and is more tolerant when processing groups.

<li>Added support for AF_INET6 to <a href="https://man.openbsd.org/?query=inet_net_pton&sektion=3">inet_net_pton(3)</a> and <a href="https://man.openbsd.org/?query=inet_net_ntop&sektion=3">inet_net_ntop(3)</a>.

<li>Added support for AF_INET6 to <a href="https://man.openbsd.org/inet_net_pton.3">inet_net_pton(3)</a> and <a href="https://man.openbsd.org/inet_net_ntop.3">inet_net_ntop(3)</a>.

</ul>

<p>

<li><a href="https://man.openbsd.org/?query=pf&sektion=4">pf(4)</a> improvements:

<li><a href="https://man.openbsd.org/pf.4">pf(4)</a> improvements:

<ul>

<li><a href="https://man.openbsd.org/?query=pf&sektion=4">pf(4)</a> now ignores/preserves the lower 2 bits of the tos-header (used for Explicit Congestion Notification).

<li><a href="https://man.openbsd.org/pf.4">pf(4)</a> now ignores/preserves the lower 2 bits of the tos-header (used for Explicit Congestion Notification).

<li>Allow more than 16 <a href="https://man.openbsd.org/?query=pflog&sektion=4">pflog(4)</a> interfaces.

<li>Allow more than 16 <a href="https://man.openbsd.org/pflog.4">pflog(4)</a> interfaces.

<li><a href="https://man.openbsd.org/?query=pf&sektion=4">pf(4)</a> now supports weighted least-states load balancing.

<li><a href="https://man.openbsd.org/pf.4">pf(4)</a> now supports weighted least-states load balancing.

<li>The prio and tos options are now part of the "set { }" block.

See <a href="https://man.openbsd.org/?query=pf.conf&sektion=5">pf.conf(5)</a>.

See <a href="https://man.openbsd.org/pf.conf.5">pf.conf(5)</a>.

<li>Allow setting the tos on IPv6 packets.

<li>Better demotion handling in <a href="https://man.openbsd.org/?query=pfsync&sektion=4">pfsync(4)</a> to prevent failovers without having a full state table.

<li>Better demotion handling in <a href="https://man.openbsd.org/pfsync.4">pfsync(4)</a> to prevent failovers without having a full state table.

<li>Fixed printing of wildcard anchors in <a href="https://man.openbsd.org/?query=pfctl&sektion=8">pfctl(8)</a>.

<li>Fixed printing of wildcard anchors in <a href="https://man.openbsd.org/pfctl.8">pfctl(8)</a>.

</ul>

<p>

<li>Assorted improvements:

<ul>

<li>Added <a href="https://man.openbsd.org/?query=nginx&sektion=8">nginx(8)</a>,

<li>Added <a href="https://man.openbsd.org/nginx.8">nginx(8)</a>,

an HTTP server, reverse proxy server and mail proxy server.

<li>Added SQLite 3.7.13, a self-contained SQL database engine.

<li><a href="https://man.openbsd.org/?query=pcap&sektion=3">libpcap</a>

<li><a href="https://man.openbsd.org/pcap.3">libpcap</a>

has been updated with several core functions from tcpdump.org's libpcap-1.2.0 API, without

the clutter.

<li>Disabled SSLv2 in OpenSSL.

<li>Moved <a href="https://man.openbsd.org/?query=libtool&sektion=1">libtool(1)</a> into the base system. Much work remains to be done.

<li>Moved <a href="https://man.openbsd.org/libtool.1">libtool(1)</a> into the base system. Much work remains to be done.

<li>Removed <a href="https://man.openbsd.org/?query=lint&sektion=1&manpath=OpenBSD+5.1">lint(1)</a>.

<li>Removed <a href="https://man.openbsd.org/OpenBSD+5.1/lint.1">lint(1)</a>.

<li>Removed the <a href="https://man.openbsd.org/?query=raid&sektion=4&manpath=OpenBSD+5.1">raid(4)</a>

<li>Removed the <a href="https://man.openbsd.org/OpenBSD+5.1/raid.4">raid(4)</a>

RAIDframe driver and its corresponding

<a href="https://man.openbsd.org/?query=raidctl&sektion=8&manpath=OpenBSD+5.1">raidctl(8)</a> utility.

<a href="https://man.openbsd.org/OpenBSD+5.1/raidctl.8">raidctl(8)</a> utility.

RAIDframe has been superseded by <a href="https://man.openbsd.org/?query=softraid&sektion=4">softraid(4)</a>.

RAIDframe has been superseded by <a href="https://man.openbsd.org/softraid.4">softraid(4)</a>.

<li>Added <a href="https://man.openbsd.org/?query=posix_spawn&sektion=3">posix_spawn(3)</a>.

<li>Added <a href="https://man.openbsd.org/posix_spawn.3">posix_spawn(3)</a>.

<li>Added <a href="https://man.openbsd.org/?query=mbsnrtowcs&sektion=3">mbsnrtowcs(3)</a>

<li>Added <a href="https://man.openbsd.org/mbsnrtowcs.3">mbsnrtowcs(3)</a>

and <a href="https://man.openbsd.org/?query=wcsnrtombs&sektion=3">wcsnrtombs(3)</a>.

and <a href="https://man.openbsd.org/wcsnrtombs.3">wcsnrtombs(3)</a>.

<li>Added <a href="https://man.openbsd.org/?query=getdelim&sektion=3">getdelim(3)</a>

<li>Added <a href="https://man.openbsd.org/getdelim.3">getdelim(3)</a>

and <a href="https://man.openbsd.org/?query=getline&sektion=3">getline(3)</a>.

and <a href="https://man.openbsd.org/getline.3">getline(3)</a>.

<li>More configuration variables for <a href="https://man.openbsd.org/?query=sysconf&sektion=3">sysconf(3)</a> and

<li>More configuration variables for <a href="https://man.openbsd.org/sysconf.3">sysconf(3)</a> and

<a href="https://man.openbsd.org/?query=pathconf&sektion=2">pathconf(2)</a>.

<a href="https://man.openbsd.org/pathconf.2">pathconf(2)</a>.

<li><a href="https://man.openbsd.org/?query=dirfd&sektion=3">dirfd(3)</a>

<li><a href="https://man.openbsd.org/dirfd.3">dirfd(3)</a>

is now a function instead of a macro.

<li><a href="https://man.openbsd.org/?query=posix_memalign&sektion=3">posix_memalign(3)</a>

<li><a href="https://man.openbsd.org/posix_memalign.3">posix_memalign(3)</a>

supports arbitrarily large alignments.

<li>Improved <a href="https://man.openbsd.org/?query=realloc&sektion=3">realloc(3)</a> performance.

<li>Improved <a href="https://man.openbsd.org/realloc.3">realloc(3)</a> performance.

recognizes the DF_1_NOOPEN flag and refuses to

<a href="https://man.openbsd.org/?query=dlopen&sektion=3">dlopen(3)</a>

<a href="https://man.openbsd.org/dlopen.3">dlopen(3)</a>

shared objects linked with "-z nodlopen".

<li>Improved compliance and/or cleanliness of header files, particularly

<dirent.h>, <time.h>, <sys/time.h>, <limits.h>,

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<li>Added support for using AMT to provide console-over-Ethernet (c.f. the

<a href="https://cvsweb.openbsd.org/ports/comms/amtterm/">amtterm</a> package).

<li>Improved support for amd64 systems with many memory extents.

<li><a href="https://man.openbsd.org/?query=compat_linux&sektion=8">compat_linux(8)</a>

<li><a href="https://man.openbsd.org/compat_linux.8">compat_linux(8)</a>

improvements: TLS-vs-clone and futex fixes, added support

for statfs64(), tgkill(), gettid(), SOCK_CLOEXEC, and SOCK_NONBLOCK.

<li><a href="https://man.openbsd.org/?query=kdump&sektion=1">kdump(1)</a>

<li><a href="https://man.openbsd.org/kdump.1">kdump(1)</a>

improvements, including the ability to show thread IDs and dumping of timespec, timeval, sigaction, rlimit, sigset, clockid, and fdset arguments and results.

<li>Various improvements in <a href="https://man.openbsd.org/?query=smtpd&sektion=8">smtpd(8)</a>:

<li>Various improvements in <a href="https://man.openbsd.org/smtpd.8">smtpd(8)</a>:

reliability fixes, new MTA client, new scheduler and improved queue logic, simplified

<a href="https://man.openbsd.org/?query=smtpd.conf&sektion=5">smtpd.conf(5)</a>

<a href="https://man.openbsd.org/smtpd.conf.5">smtpd.conf(5)</a>

syntax, better RFC compliance and several cosmetic changes.

emacs-like editor now supports cscope functionality.

Also, backup files can now be saved to a user's home directory in addition to the current working directory.

<li>Fixed operation of <a href="https://man.openbsd.org/?query=kvm_getfiles&sektion=3">kvm_getfile2()</a> (and therefore <a href="https://man.openbsd.org/?query=fstat&sektion=1">fstat(1)</a> and <a href="https://man.openbsd.org/?query=pstat&sektion=8">pstat(8)</a>) on kernel crash dumps.

<li>Fixed operation of <a href="https://man.openbsd.org/kvm_getfiles.3">kvm_getfile2()</a> (and therefore <a href="https://man.openbsd.org/fstat.1">fstat(1)</a> and <a href="https://man.openbsd.org/pstat.8">pstat(8)</a>) on kernel crash dumps.

<li>Improved emacs-style key bindings and handling of large arrays in <a href="https://man.openbsd.org/?query=ksh&sektion=1">ksh(1)</a>.

<li>Improved emacs-style key bindings and handling of large arrays in <a href="https://man.openbsd.org/ksh.1">ksh(1)</a>.

<li><a href="https://man.openbsd.org/?query=halt&sektion=8">halt(8)</a> disables "suspend-on-lid-close" so that you don't accidentally suspend instead of shutting down.

<li><a href="https://man.openbsd.org/halt.8">halt(8)</a> disables "suspend-on-lid-close" so that you don't accidentally suspend instead of shutting down.

<li>Improvements to parallel <a href="https://man.openbsd.org/?query=make&sektion=1">make(1)</a>: added the .CHEAP and .EXPENSIVE special targets and fixed glitches in already-rebuilt logic.

<li>Improvements to parallel <a href="https://man.openbsd.org/make.1">make(1)</a>: added the .CHEAP and .EXPENSIVE special targets and fixed glitches in already-rebuilt logic.

<li>The <a href="https://cvsweb.openbsd.org/ports/devel/libusb1/">libusb</a> package is able to access non-<a href="https://man.openbsd.org/?query=ugen&sektion=4">ugen(4)</a> devices for some operations, allowing e.g. <a href="https://cvsweb.openbsd.org/ports/sysutils/ykpers/">programming YubiKeys</a> with a standard kernel.

<li>The <a href="https://cvsweb.openbsd.org/ports/devel/libusb1/">libusb</a> package is able to access non-<a href="https://man.openbsd.org/ugen.4">ugen(4)</a> devices for some operations, allowing e.g. <a href="https://cvsweb.openbsd.org/ports/sysutils/ykpers/">programming YubiKeys</a> with a standard kernel.

<li>Various improvements in <a href="https://man.openbsd.org/?query=tmux&sektion=1">tmux(1)</a>:

<li>Various improvements in <a href="https://man.openbsd.org/tmux.1">tmux(1)</a>:

a new unified tree view to select sessions or windows,

new move-pane and renumber-windows commands,

a history of pane layouts,

simple output rate limiting, and

custom formats (-F) have been extended and are now accepted by more commands.

<li><a href="https://man.openbsd.org/?query=fsck_msdos&sektion=8">fsck_msdos(8)</a> now works on devices with non-512 byte sectors.

<li><a href="https://man.openbsd.org/fsck_msdos.8">fsck_msdos(8)</a> now works on devices with non-512 byte sectors.

<li><a href="https://man.openbsd.org/?query=quotacheck&sektion=8">quotacheck(8)</a> now works with DUID based <a href="https://man.openbsd.org/?query=fstab&sektion=5">fstab(5)</a> files.

<li><a href="https://man.openbsd.org/quotacheck.8">quotacheck(8)</a> now works with DUID based <a href="https://man.openbsd.org/fstab.5">fstab(5)</a> files.

<li>Numerous minor improvement to <a href="https://man.openbsd.org/?query=fdisk&sektion=8">fdisk(8)</a>, including more sanity checking and better default partition sizing on large disks.

<li>Numerous minor improvement to <a href="https://man.openbsd.org/fdisk.8">fdisk(8)</a>, including more sanity checking and better default partition sizing on large disks.

<li><a href="https://man.openbsd.org/?query=dhclient&sektion=8">dhclient(8)</a> now discards trailing NULs in option data, and in general parses option data with more paranoia.

<li><a href="https://man.openbsd.org/dhclient.8">dhclient(8)</a> now discards trailing NULs in option data, and in general parses option data with more paranoia.

<li>Various improvements to <a href="https://man.openbsd.org/?query=dhclient&sektion=8">dhclient(8)</a> startup and timeout handling.

<li>Various improvements to <a href="https://man.openbsd.org/dhclient.8">dhclient(8)</a> startup and timeout handling.

<li><a href="https://man.openbsd.org/?query=disklabel&sektion=8">disklabel(8)</a> does a better job of calculating physical memory during partition auto-allocation of devices with non-512 byte sectors.

<li><a href="https://man.openbsd.org/disklabel.8">disklabel(8)</a> does a better job of calculating physical memory during partition auto-allocation of devices with non-512 byte sectors.

<li>SCSI errors are now correctly propagated to userland, e.g. <a href="https://man.openbsd.org/?query=mount&sektion=2">mount(2)</a> now reports specific errors such as trying to mount RW filesystems from RO media.

<li>SCSI errors are now correctly propagated to userland, e.g. <a href="https://man.openbsd.org/mount.2">mount(2)</a> now reports specific errors such as trying to mount RW filesystems from RO media.

<li>Improved FAT media handling: autorecognize such media even if the 0x55aa signature is missing and prevent the writing of an OpenBSD disklabel over the FAT data structures.

<li>The MS-DOS FAT filesystem implementation gained a significant write speedup for large files (up to twice as fast).

</ul>

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<ul>

<li>New features:

<ul>

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

This release turns on pre-auth sandboxing sshd by default for new installs,

by setting UsePrivilegeSeparation=sandbox in sshd_config.

<li><a href="https://man.openbsd.org/?query=ssh-keygen&sektion=1">sshd-keygen(1)</a>:

<li><a href="https://man.openbsd.org/ssh-keygen.1">sshd-keygen(1)</a>:

Add options to specify starting line number and number of lines to process

when screening moduli candidates, allowing processing of different parts of

a candidate moduli file in parallel.

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

The Match directive now supports matching on the local (listen) address and

port upon which the incoming connection was received via LocalAddress and

LocalPort clauses.

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Extend sshd_config Match directive to allow setting AcceptEnv and {Allow,Deny}{Users,Groups}.

<li>Add support for RFC6594 SSHFP DNS records for ECDSA key types. (bz#1978)

<li><a href="https://man.openbsd.org/?query=ssh-keygen&sektion=1">sshd-keygen(1)</a>:

<li><a href="https://man.openbsd.org/ssh-keygen.1">sshd-keygen(1)</a>:

Allow conversion of RSA1 keys to public PEM and PKCS8.

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Allow the sshd_config PermitOpen directive to accept "none" as an argument to

refuse all port-forwarding requests.

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Support "none" as an argument for AuthorizedPrincipalsFile.

<li><a href="https://man.openbsd.org/?query=ssh-keyscan&sektion=1">sshd-keyscan(1)</a>:

<li><a href="https://man.openbsd.org/ssh-keyscan.1">sshd-keyscan(1)</a>:

Look for ECDSA keys by default. (bz#1971)

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Add "VersionAddendum" to sshd_config to allow server operators to append some

arbitrary text to the server SSH protocol banner.

</ul>

<li>The following significant bugs have been fixed in this release:

<ul>

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a> and

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a> and

<a href="https://man.openbsd.org/?query=ssh&sektion=1">ssh(1)</a>:

<a href="https://man.openbsd.org/ssh.1">ssh(1)</a>:

Don't spin in accept() in situations of file descriptor exhaustion. Instead

back off for a while.

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a> and

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a> and

<a href="https://man.openbsd.org/?query=ssh&sektion=1">ssh(1)</a>:

<a href="https://man.openbsd.org/ssh.1">ssh(1)</a>:

Remove hmac-sha2-256-96 and hmac-sha2-512-96 MACs as they were removed from

the specification. (bz#2023)

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Handle long comments in config files better. (bz#2025)

<li><a href="https://man.openbsd.org/?query=ssh&sektion=1">ssh(1)</a>:

<li><a href="https://man.openbsd.org/ssh.1">ssh(1)</a>:

Delay setting tty_flag so RequestTTY options are correctly picked up. (bz#1995)

<li><a href="https://man.openbsd.org/?query=sshd&sektion=8">sshd(8)</a>:

<li><a href="https://man.openbsd.org/sshd.8">sshd(8)</a>:

Fix handling of /etc/nologin incorrectly being applied to root on platforms

that use login_cap.

</ul>

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<a href="https://ftp.openbsd.org/pub/OpenBSD/distfiles/">https://ftp.openbsd.org/pub/OpenBSD/distfiles/</a>

<li>full databases of all ports available as packages:

<ul>

<li>pkglocatedb - a <a href="https://man.openbsd.org/?query=locate&sektion=1">locate(1)</a> database of all files in all packages

<li>pkglocatedb - a <a href="https://man.openbsd.org/locate.1">locate(1)</a> database of all files in all packages

<li>sqlports - a <a href="https://man.openbsd.org/?query=sqlite3&sektion=1">sqlite3(1)</a> database of all meta-info for all packages

<li>sqlports - a <a href="https://man.openbsd.org/sqlite3.1">sqlite3(1)</a> database of all meta-info for all packages

<li>ports-readmes - a tree of html files for browsing thru available packages

</ul>

<p>

<li>Many pre-built packages for each architecture:

<tr>

<ul>

<li>i386: 7483

<li>sparc64: 6820

<li>alpha: 5993

</ul></td><td valign=top width="25%"><ul>

<li>sh: 2412

<li>amd64: 7439

<li>powerpc: 7050

</ul></td><td valign=top width="25%"><ul>

<li>sparc: 4466

<li>arm: 5802

<li>hppa: 6316

</ul></td><td valign=top width="25%"><ul>

<li>vax: 2279

<li>mips64: 5845

<li>mips64el: 5908

</ul></td></tr></table>

</ul>

<p>

<li>Some highlights:

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<li>Less 444 (+ patches)

<li>Awk Aug 10, 2011 version

</ul>

</section>

<hr>

<h3>How to install</h3>

<p>

<h3><font color="#0000e0">How to install</font></h3>

<p>

Following this are the instructions which you would have on a piece of

paper if you had purchased a CDROM set instead of doing an alternate

form of install. The instructions for doing an FTP (or other style

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</ul>

<hr>

<p>

Quick installer information for people familiar with OpenBSD, and the

use of the "disklabel -E" command. If you are at all confused when

installing OpenBSD, read the relevant INSTALL.* file as listed above!

<p>

<h3><font color="#e00000">OpenBSD/i386:</font></h3>

<h3>OpenBSD/i386:</h3>

<ul>

<p>

Play with your BIOS options to enable booting from a CD. The OpenBSD/i386

release is on CD1. If your BIOS does not support booting from CD, you will need

to create a boot floppy to install from. To create a boot floppy write

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To make a boot floppy under MS-DOS, use the "rawrite" utility located

at <i>CD1:5.2/tools/rawrite.exe</i>. To make the boot floppy under a Unix OS,

use the

utility. The following is an example usage of

<a href="https://man.openbsd.org/?query=dd&sektion=1">dd(1)</a>,

<a href="https://man.openbsd.org/dd.1">dd(1)</a>,

where the device could be "floppy", "rfd0c", or

"rfd0a".

# <strong>dd if=<file> of=/dev/<device> bs=32k</strong>

</pre></ul>

</pre></blockquote>

<p>

Make sure you use properly formatted perfect floppies with NO BAD BLOCKS or

your install will most likely fail. For more information on creating a boot

floppy and installing OpenBSD/i386 please refer to

<a href="faq/faq4.html#MkFlop">this page</a>.

</ul>

<h3>OpenBSD/amd64:</h3>

<p>

<h3><font color="#e00000">OpenBSD/amd64:</font></h3>

<ul>

The 5.2 release of OpenBSD/amd64 is located on CD2.

Boot from the CD to begin the install - you may need to adjust

your BIOS options first.

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<p>

If you are planning to dual boot OpenBSD with another OS, you will need to

read INSTALL.amd64.

</ul>

<h3>OpenBSD/macppc:</h3>

<p>

<h3><font color="#e00000">OpenBSD/macppc:</font></h3>

<ul>

Burn the image from the FTP site to a CDROM, and poweron your machine

while holding down the <i>C</i> key until the display turns on and

shows <i>OpenBSD/macppc boot</i>.

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<p>

Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot

/5.2/macppc/bsd.rd</i>

</ul>

<h3>OpenBSD/sparc64:</h3>

<p>

<h3><font color="#e00000">OpenBSD/sparc64:</font></h3>

<ul>

Put CD3 in your CDROM drive and type <i>boot cdrom</i>.

<p>

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<p>

If nothing works, you can boot over the network as described in INSTALL.sparc64.

</ul>

<h3>OpenBSD/alpha:</h3>

<p>

<h3><font color="#e00000">OpenBSD/alpha:</font></h3>

Write <i>FTP:5.2/alpha/floppy52.fs</i> or

<ul>

<p>Write <i>FTP:5.2/alpha/floppy52.fs</i> or

<i>FTP:5.2/alpha/floppyB52.fs</i> (depending on your machine) to a diskette and

enter <i>boot dva0</i>. Refer to INSTALL.alpha for more details.

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Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install

will most likely fail.

</ul>

<h3>OpenBSD/armish:</h3>

<p>

<h3><font color="#e00000">OpenBSD/armish:</font></h3>

<ul>

<p>

After connecting a serial port, Thecus can boot directly from the network

either tftp or http. Configure the network using fconfig, reset,

then load bsd.rd, see INSTALL.armish for specific details.

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and copy 'boot' and bsd.rd into the first partition on wd0 (hda1)

then load and run bsd.rd, preserving the wd0i (hda1) ext2fs partition.

More details are available in INSTALL.armish.

</ul>

<h3>OpenBSD/hp300:</h3>

<p>

<h3><font color="#e00000">OpenBSD/hp300:</font></h3>

<ul>

<p>

Boot over the network by following the instructions in INSTALL.hp300.

</ul>

<h3>OpenBSD/hppa:</h3>

<p>

<h3><font color="#e00000">OpenBSD/hppa:</font></h3>

<ul>

<p>

Boot over the network by following the instructions in INSTALL.hppa or the

<a href="hppa.html#install">hppa platform page</a>.

</ul>

<h3>OpenBSD/landisk:</h3>

<p>

<h3><font color="#e00000">OpenBSD/landisk:</font></h3>

<ul>

<p>

Write <i>miniroot52.fs</i> to the start of the CF

or disk, and boot normally.

</ul>

<h3>OpenBSD/loongson:</h3>

<p>

<h3><font color="#e00000">OpenBSD/loongson:</font></h3>

<ul>

<p>

Write <i>miniroot52.fs</i> to a USB stick and boot bsd.rd from it

or boot bsd.rd via tftp.

Refer to the instructions in INSTALL.loongson for more details.

</ul>

<p>

<h3>OpenBSD/luna88k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/luna88k:</font></h3>

<ul>

<p>

Copy bsd.rd to a Mach or UniOS partition, and boot it from the PROM.

Alternatively, you can create a bootable tape and boot from it. Refer to

the instructions in INSTALL.luna88k for more details.

</ul>

<h3>OpenBSD/mvme68k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/mvme68k:</font></h3>

<ul>

<p>

You can create a bootable installation tape or boot over the network.<br>

The network boot requires a MVME68K BUG version that supports the <i>NIOT</i>

and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme68k

for more details.

</ul>

<h3>OpenBSD/mvme88k:</h3>

<p>

<h3><font color="#e00000">OpenBSD/mvme88k:</font></h3>

<ul>

<p>

You can create a bootable installation tape or boot over the network.<br>

The network boot requires a MVME88K BUG version that supports the <i>NIOT</i>

and <i>NBO</i> debugger commands. Follow the instructions in INSTALL.mvme88k

for more details.

</ul>

<h3>OpenBSD/sgi:</h3>

<p>

<h3><font color="#e00000">OpenBSD/sgi:</font></h3>

<ul>

<p>

To install on an O2, burn cd52.iso on a CD-R, put it in the CD drive of your

machine and select <i>Install System Software</i> from the System Maintenance

menu.

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setup a DHCP/tftp network server, and boot using "bootp()/bsd.rd.IP##" using

the kernel matching your system type.

Refer to the instructions in INSTALL.sgi for more details.

</ul>

<h3>OpenBSD/socppc:</h3>

<p>

<h3><font color="#e00000">OpenBSD/socppc:</font></h3>

<ul>

<p>

After connecting a serial port, boot over the network via DHCP/tftp.

Refer to the instructions in INSTALL.socppc for more details.

</ul>

<h3>OpenBSD/sparc:</h3>

<p>

<h3><font color="#e00000">OpenBSD/sparc:</font></h3>

<ul>

Boot from one of the provided install ISO images, using one of the two

commands listed below, depending on the version of your ROM.

ok <strong>boot cdrom 5.2/sparc/bsd.rd</strong>

ok <kbd>boot cdrom 5.2/sparc/bsd.rd</kbd>

> <strong>b sd(0,6,0)5.2/sparc/bsd.rd</strong>

> <kbd>b sd(0,6,0)5.2/sparc/bsd.rd</kbd>

</pre></ul>

</pre></blockquote>

<p>

If your SPARC system does not have a CD drive, you can alternatively boot from floppy.

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To boot from the floppy use one of the two commands listed below,

depending on the version of your ROM.

ok <strong>boot floppy</strong>

ok <kbd>boot floppy</kbd>

> <strong>b fd()</strong>

> <kbd>b fd()</kbd>

</pre></ul>

</pre></blockquote>

<p>

Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install

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If your SPARC system doesn't have a floppy drive nor a CD drive, you can either

setup a bootable tape, or install via network, as told in the

INSTALL.sparc file.

</ul>

<h3>OpenBSD/vax:</h3>

<p>

<h3><font color="#e00000">OpenBSD/vax:</font></h3>

<ul>

Boot over the network via mopbooting as described in INSTALL.vax.

</ul>

<h3>OpenBSD/zaurus:</h3>

<p>

<h3><font color="#e00000">OpenBSD/zaurus:</font></h3>

<ul>

<p>

Using the Linux built-in graphical ipkg installer, install the

openbsd52_arm.ipk package. Reboot, then run it. Read INSTALL.zaurus

for a few important details.

</ul>

</section>

<h3>Notes about the source code:</h3>

<p>

<h3><font color="#e00000">Notes about the source code:</font></h3>

<ul>

src.tar.gz contains a source archive starting at /usr/src. This file

contains everything you need except for the kernel sources, which are

in a separate archive. To extract:

# <kbd>mkdir -p /usr/src</kbd>

# <kbd>cd /usr/src</kbd>

# <kbd>tar xvfz /tmp/src.tar.gz</kbd>

</pre></blockquote>

<p>

# <strong>mkdir -p /usr/src</strong>

# <strong>cd /usr/src</strong>

# <strong>tar xvfz /tmp/src.tar.gz</strong>

</pre></ul>

<p>

sys.tar.gz contains a source archive starting at /usr/src/sys.

This file contains all the kernel sources you need to rebuild kernels.

To extract:

<p>

# <strong>mkdir -p /usr/src/sys</strong>

# <kbd>mkdir -p /usr/src/sys</kbd>

# <strong>cd /usr/src</strong>

# <kbd>cd /usr/src</kbd>

# <strong>tar xvfz /tmp/sys.tar.gz</strong>

</pre></ul>

</pre></blockquote>

<p>

Both of these trees are a regular CVS checkout. Using these trees it

is possible to get a head-start on using the anoncvs servers as

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Using these files

results in a much faster initial CVS update than you could expect from

a fresh checkout of the full OpenBSD source tree.

<p>

</ul>

</section>

<hr>

<h3>How to upgrade</h3>

<p>

<h3><font color="#0000e0">How to upgrade</font></h3>

<p>

If you already have an OpenBSD 5.1 system, and do not want to reinstall,

upgrade instructions and advice can be found in the

<a href="faq/upgrade52.html">Upgrade Guide</a>.

</section>

<hr>

<h3>Ports Tree</h3>

<p>

<h3><font color="#0000e0">Ports Tree</font></h3>

<p>

A ports tree archive is also provided. To extract:

<p>

# <strong>cd /usr</strong>

# <kbd>cd /usr</kbd>

# <strong>tar xvfz /tmp/ports.tar.gz</strong>

# <kbd>tar xvfz /tmp/ports.tar.gz</kbd>

# <strong>cd ports</strong>

# <kbd>cd ports</kbd>

</pre></ul>

</pre></blockquote>

<p>

The <i>ports/</i> subdirectory is a checkout of the OpenBSD ports tree. Go

read the <a href="faq/ports/index.html">ports</a> page

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OpenBSD ports system.

<p>

The <i>ports/</i> directory represents a CVS (see the manpage for

cvs(1)</a> if

you aren't familiar with CVS) checkout of our ports. As with our complete

source tree, our ports tree is available via anoncvs. So, in

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available on a read-write medium and update the tree with a command

like:

<p>

# <strong>cd [portsdir]/; cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_5_2</strong>

</pre></ul>

</pre></blockquote>

<p>

[Of course, you must replace the local directory and server name here

with the location of your ports collection and a nearby anoncvs

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If you're interested in seeing a port added, would like to help out, or just

would like to know more, the mailing list

<a href="mail.html">ports@openbsd.org</a> is a good place to know.

<p>

</section>

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