General :: Only Limited Users Should Login In NIS (not All Nis Users) RHEL 5.4?

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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Ubuntu Servers :: LAMP Setup With Limited Access To Users

Mar 9, 2010

I'd like to setup an Ubuntu LAMP server, and provide limited access to it for our in-house web developers/designers. I'm not quite sure how to go about the permissions side of things. Which user/group should "own" the /var/www directory? Is it www-data?

How do I create user accounts (for our developers) that have access to the /var/www directory - do I create accounts then add them to the www-data group? Or should I make a special 'webdev' group and give it access somehow?

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General :: Ssh With Domain Users On RHEL And MSAD 2003

Jun 23, 2010

I need to configure LDAP and connect it to Microsoft Active Directory 2003 SP2 to manage my RHEL 5.5 with Microsoft windows Domain

At this point I'm able to query MSAD (getent passwd/group lists all the users/groups from Domain as well as local)

Also Kerberos authentication is working (kinit user is working and klist are returning expected results)

Now my problem is that I cannot ssh into the RHEL box with any of the Domain Users even though I can see those account in getent results.

My first question is if everything is ok with my system-auth configuration file (I'm not sure if all is needed and in right order):

auth required pam_env.so
auth required pam_tally.so deny=5
auth sufficient pam_unix.so nullok try_first_pass

[Code]....

How to add Linux server computer account to MSAD Computers CN without using SAMBA ?? From what I read kadmin should do it but not sure how to do it

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General :: Created Users In Pureftpd And The Users Are Stored In Mysql Database?

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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General :: SSH Login - For Additional Users After Password-less Login Setup

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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General :: Vsftp - Some Users See Files - Some Don't - But All Users Are In Same Group

Jan 18, 2010

When I have different people log into our ftp and browse to the same folder, some people see the files inside, some don't. all the user accounts are in the same group, which has permission to this folder. but the one user who can see the files is the owner. how can i fix it so everyone in that group who's the owner of the folder can see the files?

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General :: Keep Users From Accessing Other Users Files?

Oct 1, 2009

Because I was browsing around in KDE and found out that I can view other users files and they can view mine.

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General :: Additional Users Can't Login?

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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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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General :: How To Find Vsftpd Users Last Login Time

Mar 10, 2011

extracting a list of all vsftpd users with last login time.

ie,

USER NAME : LAST LOGIN TIME

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General :: Installed Open Webmail - Existing Users Cannot Login

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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General :: Unable To Neither Add New Users Using Command Useradd Nor Delete Existing Users Using Command Userdel

Jun 30, 2010

Im not getting able to neither add new users using command useradd nor delete existing users using command userdel. And even Im not getting able to login into any existing users except root. It was ok before. Im having this problem very recently on my linux server. Im using RHEL5.

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General :: Configure Login Script For Users On Green Interface In Ipcop?

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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General :: Activate Firewall From Server - Account Users Cant Login To Chat Room

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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Server :: Script To Add A Secondary Group To All Users Except System Default Users?

Jun 28, 2009

script which can add a secondary group to all existing users except system users in linux.

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Fedora Networking :: Mapping Windows Users On Unix Users

Sep 29, 2010

Samba up and running on my pc. pc runs FC12 with kde. A laptop has win vista. The pc can access the shares on the laptop but the laptop has authentication issues to access the pc. Note that windows doesnt enforce authentication forincoming network connections.Using the system-config-samba util i tried to map a windows user to the unix user "feduser". The laptop (named LAPPY) has a user (lapuser) which has on windows no password.What should I tell samba config what the windows username should be? lapuser or LAPPYlapuser doesnt work because when accessing the pc via the laptop, the authentication fails. The only auth that is successful is when choosing the same winusername as the unix username.

Secondary, id like to setup the laptop so that the user doesnt have to provide a name and password, or at least not more then once in the lifetime of the laptop. Note that you cant provide an empty password to system-config-samba. How is that possible?

Strange but not really on issue imho:the samba - KDE control module(kcmshall4) (and the smb.conf) shows 2 shares: the homedirs and the data dir the samba server configurator (system-config-samba) shows only the datadir.

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Software :: Mapping Linux Users With Widows Users Using Samba

Jul 11, 2009

I work as an system administrator for AIX and Linux servers. We have an FTP server running in Linux which has shared folders to Windows domain using Samba. The new requirement is to map users created to Linux machine to Windows users in such a way that, when a user logins into Windows machine with an ID say "X123" in domain "TEST", his access control to the samba shares should reflect based on the same user ID created in Linux machine.(FYI. Both the Windows and LINUX machines are in same network and domain). Please let me know the step by step procedure to configure Linux machine (smb.conf entries or any new file to be created for user mapping) to identify Windows user Login and provide access restrictions accordingly.

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SUSE / Novell :: 2 Users Acces 1 Folder In 1 Users Mailbox?

Jun 24, 2009

Is it possible to have a folder on user A's GroupWise mailbox that user B can access with as much permisions as user A but user B cannot access the rest of user A's mail?

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Fedora :: Mapping Remote Users To Local Users In SSH?

Jun 7, 2010

Is it possible to map a remote user to a local user in SSH? The object is to avoid using $ssh user@server and instead just do $ssh server instead.

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Ubuntu Servers :: Add Windows & Mac Users As Samba Users?

Nov 23, 2010

If I want to add Windows & Mac users as Samba users, must I first add them all as Ubuntu users? If so, since none of the other users will actually be working on the Ubuntu Server, how do I disable the other non-admin users on the Ubuntu Server login screen. I am using Webmin to administer some server settings, and command line for others.

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Ubuntu Networking :: DHCP Only For Authenticated Users(AD Users)?

Apr 4, 2011

i have a Domain Cotroller installed on Windows & DHCP Server installed on Ubuntu. i want to give access only authenticated Users(Active Directory Users) can get IP from DHCP. No one else canis there any option available here in DHCP ???

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Ubuntu :: How To Map Domain Users To Local Users Group

May 27, 2011

how to map all domain users form group Domain Users to local group users (and maybe some more)? Im using Ubuntu 10.04 x32. Its connected to my domain using Samba and Winbind, I can login using my domain credentials, automatically map user folder form DFS server, but I think that domain users have too much priviledges in the system and want to restrict them as much as possible

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Red Hat / Fedora :: History Of All Sudo Users And All Root Users In F13?

Jan 18, 2011

How can i see history of all sudo users and all root users in fedora 13 ? history command only shows one users history ?

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Security :: Sudo For Users But Only +r On Other /home/users Ubuntu 10.04 ?

Nov 1, 2010

We are trying to set up a classroom training environment where our SIG can hold classes for prospective converts from Microsoft/Mac. The ten machines will have /home/student01..10 and /home/linsig01..10 as users. We want /home/student01 to be able to explore and sudo so they can learn to administer their personal machines at home. We don't want them to be able to modify (sudo) /home/linsig01. I've seen the tutorial on Access Control Lists but I'd like other input so we get it right the first time.

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OpenSUSE :: 'users' Is The Default Group For New Users?

Sep 4, 2011

In other Linux distros I've used, new users are assigned to their own group (i.e. user 'joe', group 'joe') by default. To my surprise, when I create new users with my openSUSE 11.4, they are all assigned to the 'users' shared group by default.To test this, I created a new user called 'friends'. From my terminal, I can see how the new user files look like:

joe@linux:~> ls -l /home/friends/
total 40
drwxr-xr-x 2 friends users 4096 Sep 3 11:37 bin

[code]...

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Debian :: List Users At Login?

Oct 20, 2010

Just installed Debian on a laptop. I'm not a Linux noob, been running Ubuntu / Kubuntu / Fedora elsewhere for a while. But first time with Debian (Gnome). [Broadly pretty happy so far. It may supplant Kubuntu on my desktop as the latter seems a bit of a resource hog.]I want the login screen to offer a list of users.I've tried System > Administration > Login Window > Localand chosen Themed with face browser from the dropdown marked Style:I'm using Bijou (though I've also tried some of the others) as my theme, in case that makes any difference.I haven't got any pictures set up for users. It's not particularly that that I want, just a list of users to choose from rather than having to type in your username each time. It's a family setup, no big security worries, so easing typing would be nice.

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Software :: GDM: Users Disappeared From Login Box?

Jan 14, 2011

PC conked out the day before I was due to leave the country, so in the few hours I had to try and knock up a solution, I set up a very old second machine in the house running openSUSE 11.3 with XFCE. I'd previously replaced the default login display manager with GDM, which evidently has various bugs. Aside from the cursor continually spinning around showing as busy, when I added a new user account for my parents, the login box showed two entries under my own name. It's only on hovering the mouse over the latter entry that my parents' username shows up. Anyway, I had to explain this and a million other quirks to them in a rush, but the system was all working and they managed to get me an email from it the following day.

Since then, however, when they reach the login screen they say there is just an image of a computer monitor, with the OS version and domain, but no usernames to choose from or other options anywhere, and hence they can find no way to login. I have no remote access to the machine and can only talk over the phone. I suggested a few key combos to see if anything happened, and they booted once in failsafe mode, but no luck.

What could have happened? Is there a key that would show the users again? Perhaps there's a way to get to a console login, but could they get back to a GUI easily after that? nfortunately my parents are really not adept at these things and every instruction I give has to be repeated endlessly after which they usually get it wrong a couple of times first, so trying to do anything administrative or more clever than a few key presses or mouse clicks is going to be nigh on impossible. Running a live CD would be likely out of the question since they'd need to change the BIOS boot order first

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Red Hat :: Local Users Can't Login / Resolve It?

Feb 7, 2011

I have an RHEL 5.3 system where NIS logins are working perfectly, but authentication doesn't seem to be working for non-root local users. I can't login either remotely or at the console with a local user, and I can't even su to them unless I'm doing so from root (i.e. when no password is required).

I've reset the password, I've deleted and recreated the user, and nothing. nsswitch.conf does have "files" listed as part of the config, which was really the main place I'd have assumed the issue could be. su gives "incorrect password", and ssh gives "userauth failure". /var/log/secure shows "su: pam_listfile(su:auth): Refused user <username> for service su", and same for the ssh attempts (with ssh in for su, of course). I've reviewed my pam.d files, and they seem to be the same as on a working machine, but I'm not 100% conversant with pam so I might be missing something.

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General :: New Users With Root Login - Error: "No Such File Or Directory"

Jun 28, 2011

On a new installation of Linux Red Hat server, I was adding new users from the list using "newusers" command. I did not realize that one of the users was "root" so this is what line I loaded by error (among other users) : root:root:1176:501::/home/circuser:/bin/bash all other users from the list (160 of them) got loaded properly. I still have valid root login that I could use, but I'm not able to log in as root anymore. If I log in as user and then try "su" or "su -" I get error: ": No such file or directory".

I compared /etc/passwd, group and shadow on this server with old one I'm replacing and entry for root looks the same:

root:x:0:0:root:/root:/bin/bash ( in passwd)
root:x:0: (in /etc/group)
root:$1$OILC.ETm$LkoGprgqqgv6v8oLRUBnf.:15153:0:99999:7::: (in /etc/shadow) - similar to my old server

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Server :: All Users SSH - YES - All Users Console - NO

May 18, 2010

I have inherited a RedHat 5.4 server that is having an odd issue. Root and all of the user accounts can log in via SSH. Not a single account can log in via the console (sitting in front of the server). If I bring it up in single user made, I can log in with root all day long.

I want to say that this has something to do with PAM, but this is when I play my "Noob" card. Could anyone possibly steer me in the right direction to figure out what is going on?

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