CentOS 5 :: Password Expiry Notification ?
Jul 31, 2009
I have a small number of CentOS 4 workstations that I am upgrading to CentOS 5 However, I do not appear to be getting notification at login that my password is due to expire. The NIS server running password ageing is running Ubuntu 8.10 and logging in to either a Ubuntu 9.04 or CentOS 4.7 box gives me a visual feedback Warning of expiring password. On the CentOS 5 box it just logs straight in. If, however, I log in to the CentOS 5 box via ssh I do get the expiry message.
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Mar 25, 2010
I recently generated a GPG key for managing a PPA. While stumbling thought building packages, I realised I had set an expiry on my key. Is setting an expiry dangerous for any services I would use?
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Jun 28, 2011
I have a freebsd server and I want to add the expiry date through the normal user(not through the su).
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Jan 17, 2010
I'm implementing a TCP protocol. TCP implementation requires to send packets continuously and if the receiver doesnt respond after a particular interval of time it should resend the packet again. I need some method to implement a timer expiry function. How can I implement it? Should i implement threads (If yes can you please give a sample)? or is there any better method? I'm implementing it in a Unix system.
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Aug 28, 2009
this seems silly but I am changing ISPs and need to change my notification email address (for here). Under User Menu -> Edit account it shows my email but does not allow me to change my email. Since I am able to post I assume I am logged in correctly. So what did I miss?
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Sep 17, 2010
Is there a way to disable the "New Mail" notification when we are logged in via ssh? It is causing some issues while we are working on stuff on our servers.
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Jan 8, 2010
hello i am trying to change my password, but when i type in the new password i get this:"The password is longer than 8 characters. On some systems, this can cause problems. You can truncate the password to 8 characters, or leave it as it is."my question is what kind of problem could i get and how can i change so i have to log in every time i start the computer?
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Apr 11, 2011
I was able to setup password-less ssh on two CentOS 5.5 servers, I don't encounter any problem on root account but when I try on another user it fails and ask for a password
This what I've done.
centostest1 = Source
centostest2 = Destination
On Source Server (centostest1)
1. ssh-keygen
2. ssh-copy-id -i id_rsa root@centostest2
ssh-copy-id -i id_rsa user@centostest2
3. Now to test
ssh root@centostest2 <--- no problem, no password needed
ssh user@centostest2 <--- problem, it asked the password for user
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Jun 10, 2009
I want to say hello for all as it is my first post. I have CentOS 5 I recently changed my root password. When I try my new password it doesn't work. For changing password first I connected using ssh connection I logged in. Then typed on shell passwd then the system asked me "new password" then asked "type it again" at the end I got successful message.
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Jul 3, 2009
How I can activate the one time password in Centos 5.3, I was looking packages but I can't find. Another server I have a debian and then the package name opie-server. In centos i was look opie,opie-server but nothing. Maybe the packag name different? What I must installed to used opie password?
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Feb 1, 2010
I installed Asterisks On a VM machine.
The asterisk I downloaded came with Centos 5.3 It runs well on VM console But the problem is when It request for localhost login which accepts input but the password does not accept input at all.
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Mar 16, 2010
I have recently installed CentOS 5.4. I went ahead and enabled encryption for the root partition. everything was fine for the first few days, but today it started refusing my password on boot. The weird thing is after refusing the password several times it accepted it once, then when I rebooted to test refused the password it had accepted moments earlier. I guessed the password file got corrupt or something so I did a clean install. During the install it asked for the password to access the partition and accepted (!) the password. I went ahead and deleted the old partition and reinstalled from scratch just to be sure. And I made extra certain I put in the correct password with no fumble fingers. Sure enough the blasted thing refuses the password I just created during boot. However, if I input the password into the setup it accepts it. What the hell is going on here?
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May 19, 2010
i have just installed latest centis annd when i leave my system and lock it using ctrl + alt + L when i try to loggin it doesn't prompt me for any password for loggin and i am at the desktop without any authentication.
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Oct 7, 2010
I have a lost password on an Intel DG33TL motherboard which I guess is only resetable by shorting the right jumpers on the board. I have two questions regarding that:
1- Is there any way I can reset the CMOS password through the CentOS? Or is that a thing of old motherboards where one could reset them through the OS?
2- Currently I have two hard drives installed in Raid1 (mirroring each other) through the motherboard RAID (not the through any RAID card or through CentOS). RAID was made prior to installing CentOS. So, would resetting the jumper mess up the whole RAID? I don't want trouble and I can leave without the password but it's good to know if need arises.
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Feb 23, 2011
I have a new install of cent os 5. When I try to use the su - command. I get a invalid password error. I am using the correct password.
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Sep 16, 2010
this problem is becoming too frequent now:
a) User is created using our standard protocol on the NIS/YP server.
b) *Sometimes* : user is rejected at first login. Password not recognized.
c) When going to do a password reset, being root on the NIS/YP server something like this happens:
# passwd johndoe
Changing password for user johndoe.
New UNIX password:
Retype new UNIX password:
NIS password could not be changed. << ------------- ERROR
passwd: all authentication tokens updated successfully.
The entry in the log doesn't help much: Sep 15 10:56:28 nisserver rpc. yppasswdd[2149]: update johndoe (uid=31742) from host 128. xxx194. xxx.xx rejected Sep 15 10:56:28 nisserver rpc. yppasswdd[2149]: Invalid password.
Notes:
1) A valid & strong password -known to work with other account- has been given.
2) The password is indeed changed in /etc/shadow, and the NIS/YP databases update (cd /var/yp; make) has not been done yet.
I know there is a different condition when the password is updated by the user from a Fedora host (long encoding using sha512 vs original md5 encoding in the server) - but this is happening locally on the CentOS-based server before having the user change the password. But even that has worked before with dozens of users.
A recent occurrence of the issue kept rejecting the original password chosen by the user until he decided to choose a different one. I have tried different from easy to elaborate passwords with no difference. This is just happening now with two new users: one of them reported that it worked just fine, the other is being rejected - they were created at the same time.
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Jul 7, 2010
The reason I want to delete the LUKS password is simply that I do not want to have to put it in for each server just to get the system to boot. I am planning to cluster the servers as well and like I said before I don't want to put the password in each time since they won't be running all the time.
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Jul 31, 2010
CentOS 5.4 Cygwin CYGWIN_NT-6.0-WOW64 1.7.5(0.225/5/3) I'm trying to setup password-less login from my CnetOS server to Win 2008 Server via ssh. I have followed the fab walk-through here and many others. When i try to connect I get this msg after a few seconds delay...
Code:
Connection closed by 10.8.0.6 When ran with ssh -vv...
Code:
[smegadmin@s ~]$ ssh -vv 10.8.0.6
OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
[code]....
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May 5, 2009
I'm running 5.2, mostly updated. I've got a user account that is really only used by some clients (Polycom phones) to log into vsftpd. Once every few days or so, the password on the account changes to something other than what I've specified, and I can't figure out why. The other user accounts on the system don't seem to be affected, though none of the other accounts are used by/for vsftpd.
chage shows that the account password should never expire, so I don't think that's what's happening. I'm wondering if VSFTPD is just not playing nicely with PAM. Is there a way to explicitly prevent vsftp from changing a user password? I can't seem to find anything like this.I'm not sure if this makes any difference, but the system is clustered using heartbeat/drbd. The users are unique to each of the nodes in the cluster, though, so I don't think this should really have any effect.
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Feb 4, 2010
How can I prevent users from changing their own password? I was surprisingly unsuccessfull in finding a solution for this on google. Lots of stuff about hardening ssh access or dealing with password aging using "chage" but nowhere could I find an answer for my question.
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Feb 6, 2010
I trying to set up a cluster of 4 nodes each with CentOS 5.3,
i want to rsh from one node to other without providing the password.
so far i did the following:
1)configured /etc/hosts file on the nodes so that each node can be pinged from other.
$cat /etc/hosts
10.0.2.100 node1
10.0.2.101 node2
10.0.2.102 node3
[Code]....
but it still is Asking for the password!
I am not able to figure out what to do next ? Do i need to be at /home/mygrid location on node1 in order to rsh into node2 ?
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Feb 28, 2010
I just installed CentOS 5.4 (x86_64) and I encrypted my /home /var /tmp and /mnt/Storage partitions, along with my swap partition. My only complaint is that when I boot, I have to enter my password 4 times, and I did not pick a short password. The password is the same for all 4 partitions. Is there anyway I can set things up so I can just type my password once? Once I get everything set up, I won't be booting that often, but right now it is a PIA.
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May 24, 2010
Someone hacked my CentOS 5.4 test box, that I run at home with a gnome interface. It is connected to a domain name, the hacker changed only the root password. How can I change the root password? I get a graphical Grub at startup and if I press "e" nothing happens. Is there a different way to have Grub boot in text mode? Remember that I don't have root access. I was thinking to use the linux rescue mode, but I don't know what steps/commands to enter.
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Jun 18, 2010
I am new to CentOS, and am having a problem with authentication.The system accepts the login if the first 8 characters of the password are correct, regardless of the length of the password.My root password is 15 characters, but entering the first 8 my login is approved, which is a bit of a security concern.I think this may be something I am missing in the PAM configuration.I've experienced the behavior on SSH as well as Webmin.
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Jul 13, 2010
for some reason the password just won't change, maybe I have the command wrong? Here is what I am doing and the error.
[root@server~]# useradd testuser
[root@server~]# passwd testuser
Changing password for user support.
passwd: Failed preliminary check by password service
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Jun 2, 2011
I have to recover / reset root password. I do not have the 5.3 cd, can I boot with the CentOS-5.6-i386-LiveCD.iso [URL] and follow the recovery procedure outlined below [URL]
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Mar 27, 2009
I hope I haven't missed this in another forum but was tough to search for.While administering my new centos 5.2 x86 server through SSH I am successfully able to issue
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Apr 17, 2009
is there any way that i can save the default keyring password? each time i logon, it asks for the passwd and once i provide it, everything is all right. But it's kinda annoying.
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May 25, 2009
To install horde/ imp. I found this page : [url]
I get stuck at the part where it says Youll need to use the MySQL root password. Then, in your database administration screen for MySQL, set the password for the new MySQL user horde to something nicely random and hard to guess; keep a momentary record as youll need it below.
It is really frustraing to get stuck at something so simple as installing horde imp on centos. how to get it installed on a CENTOS 5.x system ?
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May 12, 2011
I am using CentOS 5.6 and recently, well since I updated to 5.6 when I login through ssh/telnet I am prompted to change the password of any account which is my LDAP directory. Local accounts are unaffected. I haven't tried the console as this server is tucked away in a tiny room. This is really annoying because I don't want to run password expiry on that server and I'm sure that there's nothing in LDAP to indicate password expiry is on. My shadowmax is 9999 by default for every account..which is over 27 years I think. It's only started recently. I'd like to know how I can turn the expiry message off. I'd like to get rid of cracklib as well.
my etc/pam.d/sshd is
#%PAM-1.0
auth include system-auth
account required pam_nologin.so
account include system-auth
password include system-auth
session optional pam_keyinit.so force revoke
session include system-auth
session required pam_loginuid.so
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