A long time ago, I thought it was a good idea to have /usr and /usr/local
on separate partitions. Now I'm finding that /usr is too small and
/usr/local has a lot of wasted space. Is there an easy way to combine the
partitions?

# df
Filesystem 512-blocks Used Avail Capacity Mounted on
/dev/wd0a 505022 128712 351060 27% /
/dev/wd0d 1012926 14 962266 0% /tmp
/dev/wd0f 3045294 2074068 818962 72% /usr
/dev/wd0g 1012926 223030 739250 23% /usr/local
/dev/wd0e 505086 278772 201060 58% /var
/dev/wd0h 51017832 37973806 10493136 78% /home

On 2005-01-26, Shane Almeida <almeida.spam.is.evil@spam.is.evil.mindless.com> wrote:
> Filesystem 512-blocks Used Avail Capacity Mounted on
> /dev/wd0f 3045294 2074068 818962 72% /usr
> /dev/wd0g 1012926 223030 739250 23% /usr/local
> /dev/wd0h 51017832 37973806 10493136 78% /home

You got plenty of room on /home, so why not drop to single user mode
and:
tar zcvpf /home/u.tar.gz /usr
tar zcvpf /home/ul.tar.gz /usr/local
disklabel wd0 (delete f&g, then create a new f that spans both)
format the new partition, edit the fstab, extract the tarballs

It's not strictly necessary to compress the tarballs, but I like to do
that and then gzip -t them, to make sure they're ok *before* doing any
kind of irreversible disk operation. Better safe than sorry...

BTW, do you regularly backup? If not, now's a good time to start. :-)