Tagged Questions
0
votes
1answer
256 views
Difference between passwd and passwd- file [duplicate]
Possible Duplicate:
Who creates /etc/{group,gshadow,passwd,shadow}-?
I have a strange passwd- file in /etc, notice the trailing dash:
root@ubuntu:~# ls /etc/passw*
/etc/passwd ...
2
votes
3answers
357 views
Another account with same uid as root gets prompted to set new password for root, not itself
After upgrading the os from 5300-06 to 5300-11, this weird behaviour happened.
My system had another unix account, let's call it "abc", purposely configured its uid to 0 for working as a root with ...
3
votes
1answer
157 views
Can linux use a mix of SHA-1 and CRYPT passwords?
We have an automated sync-routine that uses useradd to create new users on a Ubuntu 10.04 machine. The application launching the routine provided both username and CRYPT-encrypted password. However, ...
7
votes
1answer
610 views
In /etc/group what is the meaning of the second field?
A sample /etc/group file contains the following entries:
root:*:0:
adm:!:4:logcheck
antoine:x:1000:
The man pages I've read (Debian & OSX) says the second field is to store a group password. ...
2
votes
1answer
1k views
How to create a user with given password on SuSE from command line?
I need to create bunch of new users with given password. What I want is a script that I would pass the user name of new user and it will create/add the user and set its password. (the password is the ...
3
votes
4answers
5k views
Can a linux user change their password without knowing the current password?
I'm setting up a few ubuntu boxes, and using opscode's chef as a configuration tool. It would be fairly easy to install public keys for each user on each of these servers, and disable password ...
6
votes
4answers
4k views
can we know the password for the other users if we have root access?
If a person has root access to a particular RHEL machine, will they be able to retrieve the password of the other users?
2
votes
1answer
108 views
Where can I find a reference to the format of the comment field (field 5) of the /etc/passwd file?
In the /etc/passwd file on my system, the "comment" field, field 5, is inconsistent in its contents. I thought that I could extract it to get the full name of the user.
fullname=`awk -F: '$1 == name ...
3
votes
1answer
2k views
Will a users password expire if I set the “maxexpired” to “-1”? [maxage not 0] - AIX
So under AIX 6, according to "lsuser" the user has the following settings:
maxexpired=-1
maxage=2
So this means that 2 weeks after the last password update of the user the password will expire, but ...
6
votes
2answers
2k views
Why is sudo telling me my password is wrong?
I recently installed OpenBSD 4.9 in my computer, so I could learn a little bit about Unix-like operating systems. I added a new user to the system called bruno. Ok. When I use the 'sudo' command, it ...
21
votes
3answers
5k views
Disable a user's login without disabling the account
Let's say I create a user named "bogus" using the adduser command. How can I make sure this user will NOT be a viable login option, without disabling the account. In short, I want the account to be ...
2
votes
2answers
1k views
How to get hashed password in /etc/shadow using getpwnam()?
Apparently there is a function (getpwnam) that given a username, will return the appropriate entry in /etc/passwd with the other details for that user (shell, uid, gid, etc.).
However, I have no idea ...
5
votes
3answers
1k views
How can I make a user able to log in with ssh keys but not with a password?
I would like to create a user and have no password. As in you cant log in with a password. I want to add keys to its authorized_keys by using root. This is for my automated backup system.
15
votes
10answers
840 views
How to create strong passwords in Linux?
I wonder how I can create strong passwords on Linux (for both normal and admin users) and if there are specific programs to do that.
15
votes
5answers
6k views
How do you create a user with no password?
In os X it's possible to have users without passwords. If you inspect them with dscl their password show up as *. This is used for system users such as users for databases like mysql, pgsql etc. ...
