General :: Check Which Users Have Login Access On Ubuntu 10.0.4?
Aug 25, 2010
I created some users on my Ubuntu 10.0.4 machine a long time ago (whilst experimenting). Some of these users can login to the system, and others were prevented from login in. I can't remeber which ones can login. I have the following questions:
How do I find out which users may login to the machine? How may I disable an existing user account from login in? How may I re-enable a previously (login) disabled user account so it an login again?
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Feb 22, 2010
My question is probably very common, but I didn't find an answer.I have several computers, each with different user. Each user has a shared folder in samba. I want all users to access all these shares with a single login/password (not with the login/passw of each particular user)
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Aug 14, 2009
I am trying to set up a network where users can login to a central server which gives access to a partition depending on their role in the company e.g development or HR.my ideal world would be a computer sits on the desk. someone comes along logins they have all their files. they can then login with the same user information else where in the office.
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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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Jun 26, 2009
Im trying to config my intranet to be accessible from inside the network (lan) without need of password and ask for a passwd for those who are viewing from Wan ....
Today my intranet can only be accessed from Lan, external access give me an Unauthorized message, I took look around, try #irc and still can get the appropriated help, I hope that someone here could help me on that...
A piece of my config:
Code:
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Feb 10, 2010
I've set up password-less login for user1 on a Ubuntu machine to login automatically into a Fedora box using the publickey authentication method. Everything is working smoothly. Now, there is a user2 on Fedora but he does not have an account on Ubuntu.
I tried to login as user2 from Ubuntu to but got the following error :
Code:
Predictably neither scp or sftp work either. I have several questions as a result.
1.Is the SSH server rejecting user2 login because I am inadvertently using user1 keys (as I am logged in as user1) ?
2. Do I need to have a user2 account on Ubuntu and public/private key authentication setup with Fedora for user2 to be able to login ?
3. Is there a method I can use to password login as user2 from Ubuntu to Fedora (even though there is no user2 account on Ubuntu) AND still keep password-less login for user1 or do I have to have password-less login for both ?
At present the only way to access the user2 account from Ubuntu is to SSH using the user1 account and then su to user2.
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Mar 29, 2011
Would like to know what command can be used to check for other user accounts on my system. Note, not presently logged in users like whocommand just a command to know other users?
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Jul 12, 2010
I want to make sure that the user www-data cannot be used to login on my system (Ubuntu Lucid). How can I find out? - is there a command I can run against this user? (traditionally run by Apache daemon)
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Jun 16, 2010
I've recently installed Ubuntu 10.4 - and used it quite successfully as the adminstrator user. But when I add additional users they can't login - to be exact, their password is accepted, and they get a screen with nothing except Ubuntu's pink/purple background.The mouse pointer moves around but clicking the mouse does nothing.
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Jul 22, 2011
I have a cluster of 50 machines and some machines already have ssh automatic login setup but I want to be able to check this with a script.
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Apr 17, 2010
I want to restrict access to certain directories to my ssh users but allow them to read files by known path from there(mostly it's meant to be done by applications).
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Mar 19, 2010
I'm a windows convert and need to know what the command for finding out all the users on a system would be. Did a ps -ef for the processes, now I Need to find out what the users are for IA.
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Dec 10, 2010
I have been using linux for a bit of time but would still class myself as a noobie. I dont know excatly what I am looking for but I can best describe it in a sanario. I have started creating bash scripts which are looped indefinetly which checks afor files to process. my problem is, is there any way to check if the file is complete, as if the file is large and is being coppied from a different volume the file may still be copying or if the file is being uploaded by a user over samba/nfs, and if the file is still copying the process will most likely fail.
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Mar 10, 2011
extracting a list of all vsftpd users with last login time.
ie,
USER NAME : LAST LOGIN TIME
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Feb 16, 2010
I'm using Sun One LDAP server, (Soon to be moving to openldap). I have one Master server, no slaves, about 60 user accounts.
I'd like to add an attribute to each of the users DN's to restrict there ability to login to specific hostnames. I.e. I have hosts A, B and C. Dev staff can access A and B, but not C, and support staff need to access all of them.
I found a link at [url] which talked about using 'hostsallowedlogin' and 'hostsdeniedlogin' attributes but I'm presuming these are bespoke. If they are, how do you configure the ldap.conf to take note of these attributes when authorizing access?
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Mar 29, 2010
I am trying to setup a system that will only allow root access to the DVD drive and no other users.
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Dec 14, 2010
I have created 2 users and changed their secondary group to grp1, then changed permission for a directory dir1 to 770(no permission for others) and group to grp1.
The both normal users are not able to access dir1. How is it possible to access that Dir using general permission (770).
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Mar 22, 2010
How to monitor web access activity in the lan without creating any inconvenience to the end users? Could any one say is there any software tool?
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Apr 22, 2010
I have an internet and mail server installed CentOS, and I want to restrict client machines to access a certain website, e.g. if i want restrict users from accessing the website: www.mydomain.com, How do I do it?
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Jun 29, 2010
I am using squid proxy server for sharing Internet in my internal network. I would like to know that how can I check the browsing history by individual users web surfing history by their IP addresses?
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May 18, 2010
I am using qmailserver. I login through webmail but today I installed openwebmail instead of webmail. Its ok, but I cannot login my existing users. It login only new users which I created. and email id come with fully qualified name like saran@www.example.com, so I need saran@example.com. How I do this?
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Oct 4, 2009
I have a CentOS dedicated server running ProFTP. I have created user accounts which are meant for FTP access only but the users cannot connect to the FTP unless their shell access is /bin/bash
Here is an example line that is outputted when I use this command:
This user can access the FTP fine, but he can also access SSH which I don't want to allow him to do. If I set his shell access to /bin/false then he can't connect to the FTP.
What can I use in instead of /bin/bash to allow FTP but don't allow SSH?
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Feb 23, 2011
OK, I have a very simple question.
Is it possible to share one folder between 2 users with full RW access without sharing every other directory they own outside that folder?
This seems straight forward enough to me. I've just asked it on #linux at irc.freenode.net but when we tried it became apparent that no one there could tell me how it was done.
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Jun 18, 2010
I configured FTP server on Fedora 7.0 . I create different users with different password. I also create seprate directory for each FTP user. All are working . When I use filezilla for connecting that FTP site I can access all the directory on that server.
Now I want to configure that no any FTP user can access other FTP users directory or any other directory in server machine . What I do for this .
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Mar 20, 2011
I have installed ipcop v 1.4.21, and addons TCAR and Ipcop-Advanced proxy.Now i want a login script for users on the green interface. So that when they start using internet, they first receive login page (or even through a login url page), and if they are idle for particular time, they should disconnect automaticaly. and users can check their bandwidth usage and time usage on this page.
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Jul 8, 2010
I own a particular file on a Linux system. I would like to give 2 groups (accounting, shipping) read access and only read access, and 3 users(Mike, Raj and Wally) write access and only write access. How can I accomplish this?
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May 11, 2011
I need to customize linux kernel root file system for embedded linux system. During compile time, for root file system I am able to create different user/group ex: "gnumuzic/Muzic". But I want to give access to group "Muzic" to some folders like /dev/nexig during compile time.
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Mar 10, 2011
I have a visichat site and 1and1 server.
i am having a problem of my firewall.
when i activate firewall from my server account users cant login to chat room. the error occured " Connection To Server Failed".
will anybody let me know how can i fix this problem so that i can active my firewall and also users can login.
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Aug 17, 2010
I'm setting up a Linux machine thet'll be shared by several users, some of whom will be admins. Is there a way to restrict access to a user's home folder (encrypt or block completely) for other regular/admin users?
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Dec 14, 2010
Is there any way to grant access to non root users to use some commands like reboot and date and some other commands that root user can work with .I tried chmod on their binaries and added them to root group but nothing happened.
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