11-29-2008
Quote:
Originally Posted by
Perderabo
You will need bootable media that was used to install the os or that came with the os. The problem you will have is that your file system may not be readable by any other os. Attaching the HD to another box might be worth a try though. If you get access to shadow file, you will be able to read and write to it. Just remove the encrypted password. Or copy the encrypted password from the account whose password you know. If you give JtR, say, 500 passwords, it can quickly break a few most of the time. But if your root password is a good one, it can take many weeks.
Can't the guy who sold you the system tell you the password?
The seller is just a surplus dealer. He does not know what the unix is. Also he dont know (dont tell) the real prev user.
So I dont have any bootable media, and to hook HDD on another box looks the best option. Do you think a current Linux'es would be able to talk to Sys5 UNIX file system?
I'm still not sure if UNIX uses some encrypted files or general? Means If I would have same OS loaded on another box would I be able to read files from new hooked HDD?
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PASSWD(5) File Formats and Conversions PASSWD(5)
NAME
passwd - the password file
DESCRIPTION
/etc/passwd contains one line for each user account, with seven fields delimited by colons (":"). These fields are:
o login name
o optional encrypted password
o numerical user ID
o numerical group ID
o user name or comment field
o user home directory
o optional user command interpreter
The encrypted password field may be blank, in which case no password is required to authenticate as the specified login name. However, some
applications which read the /etc/passwd file may decide not to permit any access at all if the password field is blank. If the password
field is a lower-case "x", then the encrypted password is actually stored in the shadow(5) file instead; there must be a corresponding line
in the /etc/shadow file, or else the user account is invalid. If the password field is any other string, then it will be treated as an
encrypted password, as specified by crypt(3).
The comment field is used by various system utilities, such as finger(1).
The home directory field provides the name of the initial working directory. The login program uses this information to set the value of
the $HOME environmental variable.
The command interpreter field provides the name of the user's command language interpreter, or the name of the initial program to execute.
The login program uses this information to set the value of the $SHELL environmental variable. If this field is empty, it defaults to the
value /bin/sh.
FILES
/etc/passwd
User account information.
/etc/shadow
optional encrypted password file
/etc/passwd-
Backup file for /etc/passwd.
Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools.
SEE ALSO
crypt(3), getent(1), getpwnam(3), login(1), passwd(1), pwck(8), pwconv(8), pwunconv(8), shadow(5), su(1), sulogin(8).
File Formats and Conversions 06/24/2011 PASSWD(5)