General :: Viewing Counts Of Old Passwords Associated With Users
Aug 19, 2010
I'm configuring a CentOS 5.4 workstation. I have been able to apply most of the security that is required. I have met all but one logging requirement. How do you get the count of old passwords associated with users? I don't need to see their passwords just how many times they have changed them. I have set remember to 24 in the /etc/pam.d/system-auth file. I don't know where the file is that contains this information.
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Jun 16, 2010
As I am a paranoid bastard, I made a bash screencap-script for my Ubuntu-computer, so I can check if anyone uses my computer for things I don't want them to do (eg. checking if anyone is viewing passwords stored in FireFox, looking at private files, or other things I find disturbing). There might be other people than me that is paranoid and want to monitor what's going on on their computers while they are away or letting someone else use their computer when going to the bathroom.
This is a small script, I'd like to hear if there is any improvements that can be done, so I can learn more and become better at such scripting.
The script requires Imagick (sudo apt-get install imagemagick) and a folder in the ~-directory (/home/username) called ".screen" (hidden, as this makes it more difficult to "intruders" to find it and it looks more like a system-folder than a monitoring-folder).
The script:
Code:
#!/bin/bash
i=1;
j=`date`;
user=`whoami`;
[Code]....
Add this script to /usr/local/bin and then go to keyboard-shortcuts in GNOME and add a shortcut-key-combination of your own choice for the script. Call it whatever you'd like, and the command you want to run is simply "screen". To add a shortcut for stopping the script, you add another shortcut-key-combination to the command "killall screen".
This enables you to monitor activity on your computer while you're away, saving png-screenshots of your desktop every three seconds in the folder /home/username/.screen/date.
NOTE: I'm not taking any responsibility for what you do with this script. Remember that monitoring someone's activities is never the right way to handle anything. Also, it's illegal many places. Take care and use it only for educational and testing purposes.
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Mar 2, 2010
I am trying to set up Ubuntu like I had on my windows PC. I have my account, my wifes account and my kids account. I want passwords set for both myself and my wife but I don't want the kids to be required to have a password to log in. When setting up Ubuntu, it looks like it was all or none. I have dabbled with Linux off and on for years and am sure there is a way to set this up but I have no idea how.
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Dec 22, 2009
I have Fedora 10 installed. I want my users to be able to use any password they want. So I edited /etc/pam.d/system-auth, the password section.
Was:
Code:
password requisite pam_cracklib.so try_first_pass retry=3
password sufficient pam_unix.so md5 shadow nullok try_first_pass use_authtok
password required pam_deny.so
Become:
[Code].....
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May 4, 2011
I upgraded from 10.10 to 11.04 (32 bit) with a clean install as the "upgrade" option in update manager failed. I'm setting up the system again and want to restore the backup I took prior to upgrading, however due to the upgrade I don't want to just re install everything. The following have been backed up
/etc
/home
/usr/local
/var
Now there are various things that are different such as firefox 3.x has become firefox 4 Open office is gone, long live LibreOffice, my proprietary Nvidia drivers don't seem to be trusted yet, all the repositories will be different etc. I will re install all the applications fresh from the software centre, but I would like to restore all the users and passwords and their home directories,
So I don't I want to restore /etc or /usr/local en masse. I guess /var is not worth restoring either /home gets me their files but how do I restore the users and passwords? (there are about 8 registered users some of whom have different privileges) and the user ID need to be the same as they all access a NAS through nfs)
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Jul 19, 2010
Sitting at the console, I log in with any user name and NO PASSWORD IS REQUESTED. I get logged in automatically without entering the user's password.
I did:
passwd joeuser
To change his password and still he goes right in without being asked for a password!
Possibly related- 10 days ago, my smtp server was breached as a spam relay. The username they cracked was deleted. I added fail2ban for postfix. The logs show no further intrusion.
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Aug 11, 2010
How to make users, groups, paswords and their IDs be the same on several computers (for example, on cluster)?
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Aug 13, 2010
I have an old server running CentOS 5. The encription method used was the default MD5 for the shadow file. I would like to migrate the server to Debian Squeeze which uses SHA512. I have already copied the passwd, group and shadow file with the user accounts information but the Debian machine doesn't let the users login. I have already looked in the pam files to make it accept the MD5 encryption without any luck. how can i migrate the users without resetting their passwords?
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May 24, 2010
Is there a way to use kerberos (or baring that a trusted CA) to allow users to ssh across machines in an environment isntead of having to manage the hash keys per user/server? I'm using kerberos+ldap to log folks in and get their settings but I'd like to take it a step further. I've been reading a lot but still can't quite get it all to come together.
Do I need to create a SPN for each host to do this? Sorry if I am asking a dumb question, I am returning to the *nix fold after a decade+ in the Microsoft world, be gentle with me.
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Jan 8, 2011
I am using squid + dansguardian for web and content filtering. And it is working fine. I am forcing users to use proxy through browser configuration. Now I am planning to add another layer to controlling access using ncsa_auth program. I know it is not the most secured but I am fine with it. Plain passwords are fine with me.
I will be giving users some default passwords but I want some program for allowing users to change the passwords for the respective users if they want. Is there any perl script or something web based for the purpose that anyone is using or know of?
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Dec 3, 2010
The title says it; I want to prevent users from viewing the wireless network password.
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Dec 12, 2010
On other editions of ubuntu server I had no problem saving multiple users and passwords with htdigest but now it seems it is only possible to save one user and password.
Code:
sudo htdigest -c /etc/apache2/passwords directory user
When I add a second username and password for the same directory it overwrites the first.
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Jun 3, 2010
just now i have installed squid, it works fine with authentication . I created this authentication in a simple text file by using htpasswd . my question is that is there any web based simple page to change passwords of squid users, because each and every time i cant give direct access to server for my squid users .
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Nov 29, 2010
Im trying to set up a Proxy server on my CentOS server and I have been looking at Squid, however I wondered if there is a proxy server that will support having authenticated users and passwords in a MySQL database?I wanted to do this so I have good control over who is connected through my proxy.
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Jan 1, 2011
i am trying to set mkahawa to count my print-outs but the problem is i dont understand how i will configure using make,make install as given in their website:[UL]
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May 12, 2011
I'm planning to centralize users and passwords and also create controls for user access to some equipment, for example, Linux Servers, Switches, routers and firewalls. In case of failure of the link between the ACS and AD or equipment to the ACS, this device would use local username and password.
At the moment, my AD structure is a Microsoft, Cisco ACS servers and Linux Standalone. I wish that both linuxs servers and network equipment were authorized by Cisco ACS on the accounts that are in Microsoft AD.
The configuration of the Cisco ACS to use the AD is done and no problems, the network equipment is OK too, but am having difficulties configuring the server for this solution.
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Nov 18, 2009
I am looking for ideas for getting windows users into an ldap server. I am currently running a Linux server for my department and need to create an LDAP server which mirrors the username/password information for all of us as they are stored in the windows server here. I have the openldap server up and running on Ubuntu 8.04 and it works great; I now need to find some way to import user info into this from windows. I've seen discussions of using ldifde.exe to export the AD users into an ldif file. Is this the simplest way to go about it?
Our Linux server is currently providing us with much needed services using apache, and apache is authenticating using LDAP to our windows server (Using our windows username / password is required functionality). This windows server has some problem which causes it to delay for inordinate amounts of time between authentication requests and responses. The situation is such that this problem will not be addressed by IT staff. However, I have control over the Linux server so I am looking to just mirror the windows server on an LDAP server of my own. I could get away with updating the passwords in the Linux server.
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Jul 28, 2011
I need a simple traffic monitor for Linux, that counts the traffic in a specific wireless network because I have volume restrictions on that one.I tried it using the following iptables rule:
[code]...
iptables -m mac -A INPUT -p all --mac-source <mac-address> ! -s 10.0.0.0/8
where <mac-address> is the router's one. 10.0.0.0/8 is the local subnet. What I actually want is something like --routed-through <mac-address>. Also, is there some way to gather iptables's statistics? Or is there maybe another tool that does what I want (reliable)?
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Feb 15, 2010
Don't worry, I know - that title probably makes this question seem way more complicated than it actually is. Here's the situation: I have a server running SLES10 with a samba share set up on it. I created a username in Samba and Linux for myself, can access the share, permissions are fine, yadda yadda. Now I want to give about 100 more people access to it.
I have active directory running which users log into and I'd like them to be able to use their active directory passwords to authenticate to the share, rather than have me create 100 individual Samba/Linux accounts. In the future the AD server will be changing over to server 2008 but I'll cross that bridge when I get there. It would be equally effective if I could pull AD passwords from AD and "auto-create" the associated Linux/Samba users. Any ideas or could someone point in the right direction?
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Jan 7, 2010
I wonder if it is possible to have two passwords for one user account in 9.10. I have a long login password (5 words about 45 characters with spaces caps). I would like to set a shorter password for Authentication, sudo, etc. While retaining the original for logging in.In short:Have long password to login to computer.Have short password for everything after login.
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May 13, 2010
I ran into it while google Segmentation Fault. I'm writing a simple C program that reads a file that counts each line and numbers it then writes to a file called sdout. I copyed my program mostly from the text book but im still having problems. Heres my code:
#include <stdio.h>
#include <stdlib.h>
void new_line(FILE *, FILE *);
int main(char *argv)
[Code]....
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Aug 6, 2011
[URL]So just a little while ago I got sick of win7 starter's sluggishness and inability to successfully display my java eclipse output and decided to switch to linux.I'm using LiLi USB Creator to make my live USBs.First I tried out arch linux which was going absolutely fantastic until I realized that I needed to use a custom kernel to get my wireless working, and without my wireless working (and no idea how to properly mount any sort of external drive in linux) there was no way I'd be able to install the kernel.
So I gave up and decided to try Ubuntu. I created the live usb just fine and tried to boot from it. It went past the bios screen and to the blinking command line underscore, which stopped blinking for a moment. At that point a line of text popped up highlighted in purple and then green for a split second (it could have been green and then purple). After the text, the netbook hung displaying a command line underscore that blinked.
I left it for several hours and it did nothing.Then I tried puppy linux, which froze on the previous text (which did not look anything like an error message, but I don't remember what it said).Then I tried Fedora(edited from debian, which I have not tried), which behaved the same as Ubuntu.I don't know what to try anymore... if this all fails I'll probably go install either XP or OSX (Probably XP, I can't stand safari).
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Sep 15, 2009
Using netstat I can get a lot of network related information which is pretty useful at times. But when I use for example 'netstat -s' it gives me a lot of counts for bits transferred or data packets transferred etc. Now one thing I am not sure of is that for how long those counts will keep rolling and when will they get reset (when I restart the machine?, when I restart the network services? Or if there is some kinda threshold set on it?) How exactly netstat counts those things (I mean what is the source of those counts for netstat).
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Dec 14, 2010
I'm programming some skript to get statistical information about some texts. This includes calculating the mean of word lengths.Unfortunately, Umlauts count as two characters. In the example below the output is 9, it should be 6.
sincercly, Max
Code:
#!/usr/bin/perl
use POSIX;
use locale;
my $test = length("ABC���");
print $test;
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Sep 9, 2010
Some help with this problem:Code:Write a function that counts the number of occurrences of a pair of letters in a string
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Dec 19, 2010
How to created users in pureftpd and the users are stored in mysql database. I tried when i try to connect i got like this error authentication failed error
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Jan 6, 2011
I have windows 7 and ubuntu 9.10 installed in my system. I want to view my linux drive in windows. Is there anyway to do that?
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Oct 26, 2010
I'd like to know how to see which files have been printed on the printer. I can see which print jobs have run and who submitted them using the following command:
Code:
$ lpstat -W completed -o
but it doesn't show me the names of the files that printed.
Is there a way to set a retention policy to have it hold the job in the queue even after it's finished printing? Or a command to view the details of jobs that have already run? I'm looking for something similar to the output of the lpq command.
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Aug 21, 2010
I dual boot winxp and fedora. Though i can view ntfs partitions using fedora, windows doesnt recognize ext3fs partitions.
I have tried few softwares but they support ext2fs only.
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Aug 1, 2011
i have a NIS master server and 4 NIS clients. out of 4 nis clients two are acting as login servers ie users will login and do all their stuffs and the remaining two are application servers. But sometimes users login into applications servers and started doing all their developer's job. i want to allow only a limited number of users tointo this application users not all the users who are all part of the nis domain.all the systems are running RHEL 5.4 on hp's proliant x86_64 based servers. Please advice me how should i proceed? enabling ip tables is not possible in my environment.
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