NetBSD: upgrade installed packages from source

If you need to upgrade the installed packages on a NetBSD system, you can follow this procedure.

Set cvs environment variables

Put in your .bashrc the following lines:

     $> export CVSROOT=""
     $> export CVS_RSH="ssh"

Update the sources

     $> cd /usr/pkgsrc
     $> cvs -q update -dP

Upgrade the packages

Refresh the list of installed packages:

     $> /usr/pkg/sbin/pkg_chk -g

The list is saved in /usr/pkgsrc/pkgchk.conf.

Finally, perform the actual upgrade:

     $> /usr/pkg/sbin/pkg_chk -us