On 2008-02-29 09:46, Steve Bertrand <[EMAIL PROTECTED]> wrote: > Hi all, > > I have a couple of systems that run from USB thumb sticks. These machines > run 6.2. > > I'd like to do a typical source upgrade to 7.0 on a test machine. > > To do this, I plug the USB disk into a 'host' machine, and to save space on > the thumb drive, I csup the sources to the standard locations on the host > machine. > > My thumb drive 'OS' slice is mounted as /var/removable-os on the host > machine. > > What I am unclear about is how I go about telling buildworld etc on the > host machine. that I want to install the updates to the /var/removable-os > location, instead of the default '/'.
It should be easy to use DESTDIR for this. I regularly update my USB flash installation using the DESTDIR support of our Makefiles and the following (a slightly modified version of the process described by Warner Losh <imp at FreeBSD.org> in a series of excellent blog posts at his weblog). The commands below use sh(1) syntax, but it should be easy to `port' them to csh(1) too: # cd /usr/src # export MAKEOBJDIRPREFIX='/ws/obj/bsd.i836' # export TARGET='i386' # export TARGET_ARCH='i386' # make buildworld # make buildkernel KERNCONF=KERAMIDA # fdisk -I da0 # fdisk -B da0 # bsdlabel -w da0s1 auto # bsdlabel -B da0s1 # newfs -L USBROOT /dev/da0s1a # mount /dev/da0s1a /mnt # make installworld DESTDIR=/mnt # make installkernel DESTDIR=/mnt KERNCONF=KERAMIDA INSTALL_NODEBUG=t # make distrib-dirs DESTDIR=/mnt # make distribution DESTDIR=/mnt # echo /dev/ufs/USBROOT / ufs rw 1 1 > /mnt/etc/fstab # echo ifconfig_DEFAULT=DHCP > /mnt/etc/rc.conf # echo 'hostname="demo"' >> /mnt/etc/rc.conf As long as you have a base system which can buildworld for the target version/release, this should work. Notes ***** You can obviously skip the change for `MAKEOBJDIRPREFIX', `TARGET' and `TARGET_ARCH', if you are building the same version & architecture for the USB flash disk. I usually customize `GENERIC', but you can use `KERNCONF=GENERIC' where I have used `KERNCONF=KERAMIDA' above. References ********** http://bsdimp.blogspot.com/ Warner's weblog. http://bsdimp.blogspot.com/2007/10/building-bootable-freebsdi386-images.html A post which describes the steps I copied above. See the comments of the blog post too. They contain a fair amount of useful tips. http://bsdimp.blogspot.com/2007/12/building-bootable-arm-sd.html Yet another well written post, by Warner. This time it describes how to build an SD disk for ARM systems, but it is also a nice read. Some of the bits are quite interesting, i.e. the description of how the hypothetical ARM-based system boots :) _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"