12-31-2003
It would help to know what directory you were in at the time you entered that command...
As you have found out using any recursive function is very dangerous especially with the * option. They can be a deadly combination.
Lucky for you, changing ownership is not as deadly as changing all the exe permissions to 444. which can be deadly.
Basically, You need to check the ownership in /sbin, /usr/bin and /usr/sbin. And maybe /etc as well. This will get you back on your feet. I would hope You have a backup of some kind if you need it to restore from.
On my box /usr files are all owned by root:sys
Under /usr/sbin most all of them are owned by bin:bin
Under /usr/bin most all are owned by bin:bin
The su command is under /usr/bin/su.
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LEARN ABOUT DEBIAN
svscanboot
svscanboot(8) System Manager's Manual svscanboot(8)
NAME
svscanboot - starts svscan(8) in the /service directory, with output and error messages logged through readproctitle(8).
svscanboot is available in daemontools 0.75 and above.
SYNOPSIS
svscanboot
DESCRIPTION
svscanboot runs the pipeline
svscan /service 2>&1 | readproctitle service errors: .....
with 400 dots. The last 400 bytes of error messages from svscan(8) will be visible to ps(1) through readproctitle(8).
svscanboot sets $PATH to
/command:/usr/local/bin:/usr/local/sbin:
/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
(all in one line, no space)
and clears all other environment variables. Program writers are encouraged to use globally allocated names in /command.
SEE ALSO
supervise(8), svc(8), svok(8), svstat(8), svscan(8), readproctitle(8), fghack(8), pgrphack(8), multilog(8), tai64n(8), tai64nlocal(8),
setuidgid(8), envuidgid(8), envdir(8), softlimit(8), setlock(8), ps(1)
http://cr.yp.to/daemontools.html
http://cr.yp.to/slashcommand.html
svscanboot(8)