Upgrade from v5.8 to v5.9

Remount the disk read/write (remount w).
Make sure to rename or backup files that you have made
changes to (rc.local or similar) and is included in
this upgrade.

Copy the patch to /tmp and in the /tmp directory do:

tar Uzxpf /tmp/patch.58-59.tar.gz

Adjust config files, restart daemons and remount the disk
read-only (remount r).

- - - - - - - - - - - - - - - - - - - - - - - - - - -
Added or changed files (included in the tar file):

-r--------    1 root     root            4  3 mar 11.06 ./etc/config.flags/fw6rules
-r--------    1 root     root            4 11 feb 13.40 ./etc/config.flags/ifstat2
-rw-------    1 root     root         1359  3 mar 11.00 ./etc/config.flags/.README
-r-x------    1 root     root         3505  3 mar 11.05 ./etc/rc.d/rc.inet*
-r-x------    1 root     root         6869  3 mar 10.57 ./etc/rc.d/rc.M*
-rw-r--r--    1 root     root            5  5 feb 10.58 ./etc/.version
-rw-------    1 root     root         1153  3 mar 11.08 ./filter/fw6.conf
-rwx------    1 root     root         1174  3 mar 11.07 ./filter/fw6rules*
-rwx------    1 root     root          288  3 mar 11.07 ./filter/fw6rules-clear*
---x------    1 root     root        29496  3 mar 11.24 ./sbin/ifstat2*
---x------    1 root     root        17072  9 feb 14.39 ./sbin/insmod*
---x------    1 root     root        17072  9 feb 14.39 ./sbin/lsmod*
---x------    1 root     root        29648  9 feb 14.40 ./sbin/rmmod*

Stuff that has been removed or must be changed by hand:

Edit /etc/motd to change the version number.
Remove:

/sbin/ifstat
/etc/config.flags/ends
/lib/modules/2.6.0-test9/kernel/net/core/ends.ko