OpenBSD Upgrade Guide: 3.5 to 3.6

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Note: Upgrades are only supported from release to release, it is recommended that you NOT skip releases.

Before upgrading...

To quickly remove all packages from your system:

pkg_delete -q /var/db/pkg/*

Upgrading by install media

Upgrading without install media

Sometimes, one needs to do an upgrade of a machine when one can't easily use the normal upgrade process. One can usually do this by carefully following a process similar to a source-based upgrade:

• Place install files in a "good" location. Make sure you have sufficient room!
• Install new kernel(s)

  cd /path
  rm /obsd ; ln /bsd /obsd && cp bsd /nbsd && mv /nbsd /bsd
  cp bsd.rd bsd.mp /
  

  Note the extra steps for copying over the primary kernel: those are done to ensure that there is always a valid copy of the kernel on the disk that the system can boot from should there be a really badly timed power outage or system crash.
• Reboot on the new kernel
  This might be a tempting step to skip, but it should be done now, as usually, the new kernel will run old userland apps (such as the soon to be important reboot!), but often a new userland will NOT work on the old kernel.
• Stop any applications which might cause problems in the following steps.
• Install new userland applications

  cd /
  tar xzpf /path/base36.tgz
  tar xzpf /path/comp36.tgz
  tar xzpf /path/game36.tgz
  tar xzpf /path/man36.tgz
  tar xzpf /path/misc36.tgz
  tar xzpf /path/xbase36.tgz
  tar xzpf /path/xfont36.tgz
  tar xzpf /path/xserv36.tgz
  tar xzpf /path/xshare36.tgz
  

  Note: not all file sets will need to be installed for all applications, however, if you installed a file set originally, you should certainly upgrade it with the new file sets now. Also note that etc36.tgz and xetc36.tgz are NOT unpacked here, as they are handled separately.
• Update /dev. The new MAKEDEV file will be copied to /dev by the installation of base36.tgz, so you simply need to do the following:

  cd /dev
  ./MAKEDEV all
  

  Also see any version-specific notes below.
• Upgrade /etc as below.
• Reboot

    Nov 1 12:47:05 puffy sm-mta[16733]: filesys_update failed: No such file or directory, fs=., avail=-1, blocksize=380204

Updates to /etc

New users and groups

useradd -u77 -g=uid -c"DHCP programs" -d/var/empty -s/sbin/nologin _dhcp
useradd -u78 -g=uid -c"MOP Daemon" -d/var/empty -s/sbin/nologin _mopd
useradd -u79 -g=uid -c"TFTP Daemon" -d/var/empty -s/sbin/nologin _tftpd
useradd -u80 -g=uid -c"rbootd Daemon" -d/var/empty -s/sbin/nologin _rbootd
useradd -u81 -g=uid -c"afs Daemon" -d/var/empty -s/sbin/nologin _afs
useradd -u82 -g=uid -c"PPP utilities" -d/var/empty -s/sbin/nologin _ppp
useradd -u83 -g=uid -c"NTP Daemon" -d/var/empty -s/sbin/nologin _ntp

Devices

cd /dev && rm -f [pt]ty[rq]*

cd /dev && rm -f [pt]tyr*

Userland Applications

rm -f /usr/bin/cksum /usr/bin/sum

Users of authpf(8) must change their anchor rule in the main ruleset from

anchor authpf

anchor "authpf/*"

/etc file changes

cd /tmp
tar xzpf /path/etc36.tgz

changelist
magic
netstart
ntpd.conf
pf.os
protocols
rc
rc.securelevel
services
mtree/*
systrace/*

cd /tmp/etc
cp changelist magic netstart ntpd.conf pf.os protocols rc rc.securelevel services /etc
cp mtree/* /etc/mtree/
cp systrace/* /etc/systrace/

Files that must be manually merged, respecting any local changes made to them:

bgpd.conf
ftpusers
inetd.conf
login.conf
lynx.cfg
rc.conf
rc.local
remote
sysctl.conf
ttys

mtree -qdef /etc/mtree/4.4BSD.dist -p / -u

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