This is handy if you lost your admin or any password: 
 Instructions for changing account passwords in Single User mode in 10.3.x: 

1.) Apple key+S (during boot) 
-->boot into Single User mode 

2.) fsck -y 
--> Check discs 

3.) mount -uw / 
--> Mounts Fixed disc with read/write enabled 

4.) /usr/libexec/register_mach_bootstrap_servers /etc/mach_init.d 
--> Register mach services, required in 10.3 or later 

5.) cd /var/db/netinfo 
--> change to netinfo folder 

6.) netinfod -s local 
--> loads netinfo db 

7.) systemstarter 
--> loads a bunch of services, not really sure if it's required 

8.) passwd USERNAME 
--> Username is equal to the short name of the account you wish to edit 

9.) It will ask for you new password twice.... type it in... 

10.) reboot 
--> will reboot the machine, wait for login screen 

11.) Login with new password! Have wonderful admin rights! 



 What are the users?  cd /users; ls


Make /etc/rc.firewall & IPFW go:
 http://macforum.torrentskickass.com/viewtopic.php?t=14585