Upgrade from v4.2 to v4.3 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.42-43.tar.gz Adjust config files, restart daemons and remount the disk read-only (remount r). - - - - - - - - - - - - - - - - - - - - - - - - - - - Added or changed files (included in the tar file): crw-rw-rw- 1 root tty 5, 0 Feb 13 1997 ./dev.real/tty -r-x------ 1 root root 1247 Mar 28 11:32 ./contrib/scripts/rc.slu-1* -rw-r--r-- 1 root root 5 Mar 21 14:30 ./etc/.version -r-------- 1 root root 30 Apr 9 13:46 ./etc/config.data/ntp -rw------- 1 root root 8514 Mar 21 15:34 ./etc/login.defs -rw-r--r-- 1 root root 1005 Apr 9 13:46 ./etc/ntp.conf -r-x------ 1 root root 4513 Apr 4 14:18 ./etc/rc.d/rc.M* -r--r--r-- 1 root root 1439 Mar 21 14:30 ./etc/ssh/sshd_config -rw-r--r-- 1 root root 1342 Apr 9 13:52 ./fw-examples/example1/fw.conf -rw-r--r-- 1 root root 668 Apr 9 13:52 ./fw-examples/example1/fwrules.ntp -r-x------ 1 root root 730 Mar 21 16:06 ./sbin/backup* ---x------ 1 root root 195964 Apr 9 13:41 ./usr/bin/ntpd* ---x------ 1 root root 32904 Apr 9 13:41 ./usr/bin/ntpdate* ---x--x--x 1 root root 59756 Apr 9 13:41 ./usr/bin/ntpdc* ---x--x--x 1 root root 56496 Apr 9 13:41 ./usr/bin/ntpq* ---x--x--x 1 root root 11540 Apr 9 13:41 ./usr/bin/ntptime* ---x--x--x 1 root root 17760 Apr 9 13:41 ./usr/bin/ntptrace* Stuff that has been removed or must be changed by hand: Edit /etc/motd to change the version number.