Ubuntu Servers :: Sudo No Longer Prompting For Password / Resolve This?
Aug 16, 2011
I am suddenly not prompted for my password when I run any command as sudo on a few of my Ubuntu servers.
if I run sudo -K, the session is cleared, and I am prompted again for my password, however it saves/caches it until I run sudo -k again even if I log out and back in. I want it to prompt me for my password, as it should (and did) by default, for security.
Any ideas what could be causing this?
Here's my /etc/sudoers file code...
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Oct 6, 2010
I'm with Linux 2.6.32-25-server #44-Ubuntu SMP Fri Sep 17 21:13:39 UTC 2010 x86_64 GNU/Linux , Ubuntu 10.04 Server
And I wanna execute the next script in bash profile code...
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Mar 10, 2011
I have installed Ubuntu Server 10.10 in Virtual Box in order to evaluate it for a project.I have installed Gnome and can log in fine using my password. However, whenever I am prompted for my password when doing anything SUDO I am told my password is incorrect, starting Synaptic, for example
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Sep 28, 2010
actually i have generated public and private key using "ssh-keygen" command.i have appended it to the ~/.ssh/authorized_keys file in the other netowork system.still it's prompting for password.all the systems in my network are using fedora12 and fedora13.i dont know what's wrong with it.does it need to change any configuration files ..if so what are all the changes to be made?i am trying to login using the same user for whom i created the pub key..no impersonation
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Apr 5, 2010
I'm having problems setting up an email client. Tried both Evolution (which looks good) and Thunderbird but both of them will not prompt for my password when connecting to my mail servers. I've quadruple checked my settings and everything looks OK however I do not get the password prompt.Creating an account in Evolution is almost the same as that shown in the documentation but I do not get prompted for the time zone. Checking where Evolution stores the passwords also comes up with different results on my computer as the location specified does exist but is empty.Evolution is running at 2.28.1 and Thunderbird is 2.0.0.24
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May 1, 2010
I have installed Ubuntu three times now, and I'm running into same problem all the time, both with Karmic Koala (9.10) and now also Lucid Lynx (10.04):
When I configure Evolution for IMAP access to my GMAIL account, it never prompts me for a password. Instead, I guess Evolution tries to connect without any password and fails every time. Switching to Thunderbird didn't do the trick either, so I think it might have something to do with the Keyring daemon. My Internet connection is fine, as I can access my account under other operating systems.
Things I've tried so far:
"Forget passwords" in the evolution menu
Forcing shutdown of evolution and deleting the ~/.evolution folder (as suggested by https://bugzilla.redhat.com/show_bug.cgi?id=221112)
Accessing the keyring and deleting the default keyring
[code]....
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May 27, 2010
I have 4 machines running 10.04 32 bit Intel--- all use SSH to connect to a remote server drive (disk). All except one of the machines work just fine when accessing the remote drives. The fourth PC keeps asking for a password with every directory change.
If I select cancel three times (on the troublesome unit), the desired directory opens but then the same routine occurs with the next directory change.
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Feb 2, 2011
I cannot sudo nor log into a second ssh session on my Ubuntu 10.10 server edition headless setup. Entering an incorrect password works as expected but the correct password gives errors, and on the second attempt a segfault. I recently changed my password as the old one was about to expire, that was 3 days ago, I can't find evidence that I have sudo'ed or logged in a second session since, I have been logged into it via ssh throughout all of it and I am still currently logged in. What should I do to correct this problem? I'm worried that by turning it off I will lose all access. Is the only option using a live cd to change the password?
[Code]...
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Oct 26, 2010
I have been connecting to ssh but now it takes longer time to prompt for username and also password.Can any one tell what is the reason why it takes time
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Jul 19, 2011
There are over a dozen of servers that I need to monitor for services running on them. Hence, I have created a separate VM on which I am hosting scripts for various purposes. I have written a script (bash) that checks the status of the services running on those servers. Since my script has this line of command (for example):
Code: /sbin/service vsftpd status I have created a user (let's name it user_monitor) and added it to /etc/sudoers file by issuing "visudo" on all the servers. Since I need to execute the command remotely from the VM so I have generated a Public RSA Key (ssh-heygen) and added it to "authorized_keys" file on all the servers. But on some servers when issue a command such as the following:
[Code]....
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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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Mar 14, 2010
ive installed adobe AIR on my ubuntu karmic x64 distro as per the instructions on adobe's website, but whenever an adobe air app launches it prompts me for a password. I remember (before gnome-keyring-manager was replaced with seahorse) I found a way around it, but i gather that gnome-keyring-manager has been replaced now
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Mar 10, 2010
Its taking too much time to prompting me to enter password after boot-up and it is asking me to enter PAM_MOUNT password.
I entered the password which i use to login to my computer and it is not letting me to log-in.
I tried using safe mode and am not able to login through command line.
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Jun 1, 2011
I have configured a FTP (VSFTPD) Server in RHEL 5.6, which resulted me a default directory /var/ftp/pub. Even i have cerated another Directory /var/ftp/accounts. Where Accounts Directory is owned by user x in my server. I have a issue with this, It prompts me User and Password while accessing this ftp 192.168.5.20 in Linux Servers. But while i am trying this through a windows machine by ftp://192.168.5.20 it gets directly accessed without prompting me any User and Password.
I need to have FTP environment same like windows. where it must prompt me user name and password, and i must be able to upload and download data from my windows clients.
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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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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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Sep 2, 2010
I'm using SAMBA as a file server on a Ubuntu Server 10.04 32-bit. I'm using a 10.6.4 Mac client and a Windows 7 client. I created shortcuts on the client machines to point to the shared folders with embedded credentials ("Remember password" is ticked), but the problem is that whenever the Windows user logs off, the credentials are forgotten and the user needs to re-enter them. This problem does not occur on the Mac client.
Code:
# Sample configuration file for the Samba suite for Debian GNU/Linux.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
[code].....
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Apr 27, 2010
I needed to use Synaptic Package Manager to install an app, but the dialog box ("enter the Administrative Password") that pops up before you can use Synaptic doesn't recognize my password ("incorrect password). I tried typing it into a text editor and it's spelled right, caps lock not turned on or anything.
In Terminal, sudo recognizes it, and it is recognized when I log into Ubuntu. I'm the sole user, I have admin privileges, I've been doing admin things.
I just now did System > Administration > Users and Groups and got a dialog box saying
"Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See [URL] for information. (Details - 1: Server ping error: IDLmg.org/CORBA/COMM_FAILURE:1.0)"
Moving past that, I changed my user password, and Ubuntu authenticated it.
How do you launch Synaptic Package Manager from the command line?
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Jun 23, 2011
I was trying to add my user to a group and used the command
Code:
sudo usermod -G sambashare_kid dev
which left me with
[code]....
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Jan 19, 2010
I just migrated into Ubuntu 9.10 from Windows and moved my mail profiles and also my bookmarks to Thunderbird and Firefox.
I can't see the Mail profiles and messages unless I run "sudo thunderbird" and I can't save or edit bookmarks in Firefox unless I run "sudo firefox".
Probably it's best if I don't run Firefox or Thunderbird as root, eh?
I've tried changing the file permissions for bookmarks.html, but no luck. And haven't even tried to tackle the Thunderbird issue yet.
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Jun 25, 2010
Is it possible to have your login password t be different then your SUDO password. I did a search on sudo password- Almost every post has the term in it.
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Mar 10, 2011
why does a machine try to resolve host when I issue 'sudo -i' or some other command prefixed with sudo.What is happening in the background?
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Jul 12, 2010
I'm having a problem with this command: sudo yum update
I get the error: "Loaded plugins: presto refresh - packagekit
error:no such table: packages.
I created a group using vi /etc/sudoers
saved it using :wq!
but can't get it to work.
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Nov 26, 2010
When I try to launch something from terminal, it shows this error.
gksudo gedit /etc/hosts
Quote:
127.0.0.1localhost
127.0.1.1matt-laptop
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
My computer always had this name and I never had concerns related to his name. So, what's wrong now?
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May 28, 2010
I'm having some trouble using sudo - it did work fine, but now when I try to use it, I have the following error:
I understand that I have to modify /etc/sudoers but need to have root access to do this. I am using a bootable USB (lucid) with persistent changes and am unable to login as root, because I don't know the default root password, and am unable to use sudo to change it.
The problem occurred after I had some corruption to the casper file system, so I booted into Windows, moved the casper-rw file to another location on my flashdrive, and used a 1GB backup filesystem to repair the corrupt one using fsck.
After booting up from the restored filesystem, sudo would no longer work.
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May 21, 2010
I am having a problem with Ubuntu 10.04. I was setting up network sharing with Samba. Set up went fine, then I decided to change the hostname.
Following instructions I found on the web, I edited etc/samba/samba.conf to reflect my desired hostname.
Now I have to use superuser to run synaptic or update center. I don't know what else I have "broken".
I would like to change my hostname, if I did it incorrectly for 10.04 please enlighten me.
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Nov 4, 2010
Whenever I try to use the sudo command in the terminal I get the message unable to resolve host, then my computer name. Here's some command line output with some files which I think may be causing the problem. I have Operating Systems homework and need sudo
steve@steve-laptop:~$ sudo gedit /etc/resolv.conf
sudo: unable to resolve host steve-laptop
steve@steve-laptop:~$ cat /etc/resolv.conf
# Generated by NetworkManager
domain domain_not_set.invalid
search domain_not_set.invalid
nameserver 68.237.161.12
[Code].....
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Feb 2, 2011
Testing an upgrade Etch>Lenny 5.08, and one issue I've found is that "sudo konqueror" in a teminal no longer gives root priveleges, instead konqueror starts with limited rights. It also seems that using a .desktop shortcut, an attempt to run konqueror under any credentials other than the logged-on user fails.
Yet, 'sudo kwrite' works. Anyone met this before, or know why?
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Jul 27, 2010
I installed ubuntu minimal install with xorg, lxde, and lxdm During the manual install, I do remember it asking something about extra encryption on password or something like that which was "highly recommended" and I chose yes, which probably has nothing to do with my problem, which is: Whenever I run something in the terminal with sudo, it just opens without asking for password. What did I do wrong? How might I fix this?
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Aug 2, 2011
I have read about 10 treads already and no matter what I try, I can not get this working. My goal: [URL] My specific case: I have created a script /home/pastet/nomouse.sh which contains the lines
[Code]...
(Bash is the correct execution command for .sh on my computer, I have tested and the script works with it). I am usung 9.10
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