Tagged Questions
3
votes
0answers
76 views
Default umask 077 not applied at session start
I cannot get the default umask for a session to be 0077.
I have edited /etc/login.defs and set the value to 077 there:
UMASK 077
Also I've made sure the following entry exists in ...
1
vote
2answers
162 views
At login, take picture of user at Login window(loginGUI promt window)
I have code to take a picture in a script. I don't understand how to run this script at the time of login. I would like to modify the login process so that:
The user gets 3 login attempts.
After 3 ...
0
votes
1answer
188 views
How do I write a login daemon?
There are many guides to the steps for correctly launching a daemon process, such as Stevens' chapter in Advanced Programming in the UNIX Environment. There is less agreement on what steps should be ...
6
votes
2answers
4k views
Effect of entries in /etc/securetty
By default on RHEL 5.5 I have
[deuberger@saleen trunk]$ sudo cat /etc/securetty
console
vc/1
vc/2
vc/3
vc/4
vc/5
vc/6
vc/7
vc/8
vc/9
vc/10
vc/11
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
...
13
votes
2answers
1k views
How does one change the delay that occurs after entering an incorrect password?
After entering an incorrect password at a login prompt, there s an approximately 3-second delay. How can I change that on a Linux system with PAM?
2
votes
1answer
162 views
Locked out by pamd. Help!
I recently changed some pamd settings because I wanted my ssh keys unlocked at login. I followed the instructions at this wiki page.
Ignoring the warning, I have become locked out (cannot log in ...
3
votes
1answer
284 views
Is /sbin/sulogin safe?
Lately my machine's authentication system broke twice: once because I messed up with PAM/LDAP and the other one because I messed up with /etc/passwd or /etc/shadow.
In order to recover things I had ...
2
votes
1answer
136 views
Why can I still log in via SSH (PAM Auth) while `shutdown -k` is active?
Pretty straight-forward. Does SSH ignore the nologin file created by shutdown -k TIME?
Using PAM Auth to sync password database to users; if that makes a difference.
