I notice there are '*'s and '!!'s in my /etc/shadow file.
And I know these are for preventing login. But what are the differences among '*', '!' and '!!' ?
THX!
PS:"jone" is a user added by useradd command.
Can some one explain to me how to disable the Shadow file or disconnect it from the passwd file. I am trying to configure a UNIX SCO box to use NIS and it continues to look at its own Shadow file. Thanks (5 Replies)
I'm writing a 'C' program on various systems (HP-UX, Solaris, AIX, NCR) which needs to interact with a user's password. Some of my systems are using the shadow password and some are not. It is possible for some of my systems to have /etc/shadow, even though the box is not using the file (I know,... (4 Replies)
Hi,
I am new to shell programming and trying to write a command that would show the etc/shadow file but without the hashes. So, something like this:
root: <HASH PASSWORD FOUND BUT OBFUSCATED>
daemon: NP
bin: NP
sys: NP
If there is a... (2 Replies)
Hi,
In shadow file
smithj:Ep6mckrOLChF.:10063:0:99999:7:::
3rd Field 10063 indicates the number of days (since January 1, 1970) since the password was last changed.
I want to get the result with script the date on which the password was last changed in YYYY-MM-DD format.
can... (8 Replies)
Dear all,
I need all of you to clarify about file permission and SUID, SGID as below:
Command:
$ ls -la /etc/passwd
-r--r--r-- 1 root root 1914 2011-04-15 11:22 /etc/passwd
# I've changed permission of this file
$ ls -la /etc/shadow
-r--r----- 1 root shadow 1397 2011-08-01 15:53... (3 Replies)
As a part of linux hardening
In shadow file all Application accounts which are not locked must contain only an asterisk “*” in the Passwd field.
But how would i do it by using command?
Is there any way other than modifying shadow file to accomplish this task? (3 Replies)
Hi,
I wanna see the content of the file /etc/shadow..
But i don't have the permission and also the root permission. Still is it possible to view it??? Any tricks?? (5 Replies)
Discussion started by: Adhi
5 Replies
LEARN ABOUT DEBIAN
lchage
lchage(8) System Manager's Manual lchage(8)NAME
lchage - Display or change user password policy
SYNOPSIS
lchage [OPTION]... user
DESCRIPTION
Displays or allows changing password policy of user.
OPTIONS -d, --date=days
Set the date of last password change to days after Jan 1 1970.
-E, --expire=days
Set the account expiration date to days after Jan 1 1970. Set days to -1 to disable account expiration.
-i, --interactive
Ask all questions when connecting to the user database, even if default answers are set up in libuser configuration.
-I, --inactive=days
Disable the account after days after password expires (after the user user is required to change the password).
-l, --list
Only list current user's policy and make no changes.
-m, --mindays=days
Require at least days days between password changes. Set days to 0 to disable this checking.
-M, --maxdays=days
Require changing the password after days since last password change. Set days to 99999 to disable this checking.
-W, --warndays=days
Start warning the user days before password expires (before the user is required to change the password).
EXIT STATUS
The exit status is 0 on success, nonzero on error.
libuser Jan 12 2005 lchage(8)