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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Jun 28, 2009
script which can add a secondary group to all existing users except system users in linux.
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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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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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Nov 29, 2010
I need to let a second user configure a part of my server and I wish to both log what the user is doing with terminal and view it in realtime so that I can react if something goes wrong.
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Dec 30, 2009
I have several local users on a F11 box. I want to keep one of those users from getting to the network. I could upgrade this machine to F12, if it offers a better solution.
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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Jun 15, 2011
do you guys know how to add a user to a linux box without using useradd?I'm working on a project to disect the process of adding users, but can't use useradd command.I know this involves modifying couple of files such as /etc/passwd, /etc/groups, etc..but i'm sure there is more to it.
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Jan 13, 2010
There's something I would like to do. It's simple, it MUST be possible. I can't find any way to do it by Googling it. I'm must be looking for it in a wrong way.Let's say I have a directory called dir1. In it, I have these files: A1, A2, A3 belong to user "userA", files B1 and B2 belong to "userB". Both users are in group "groupNO", but the files are in group "groupYES".
What I want is this: if someone tries to mount the folder by NFS (or could it be done with Samba?), as userA, they can only see (or read) files A1, A2, A3,as userB, they can only see (or read) files B1 and B2,as a user in groupYES, they can see and open all the files.This is just the principle. If I need to sort them into directories or use another program on the server-side, that's fine with me. I just want the user to just have to mount the folder over the LAN with a user name and password. I'm fairly sure I can do it by SFTP, but, again, I want the client to be able to MOUNT the folder on their local machine over the LAN no to user a special client.Is that possible? Do I need LDAP? (From what I understand, LDAP is separate from the OS-level mounting process, which is not what I want.)
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Mar 3, 2010
there are at least a dozen users who have a crontab with stuff running. Is there a way to look at all the crontabs at once? right now i just keep doing a su to whichever user, then do a crontab -l.but i need to check what looks like 100 more users, and hoping there's a way to save me from manually having to do this for every single one of them.
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Jun 1, 2009
This is my first attempt at setting up a server. I have just installed Ubuntu Server 8.04 fresh from the CD. I have a fixed IP address. I just cannot seem to be able to ssh into the darn thing.
From a Solaris unix box, I get the message "Local: Bad packet length 1349676916."
From a SuSE Linux box, I get the message "Read from socket failed: Connection reset by peer"
From a mac box, I get the message "Connection closed by 'IP address'"
I can ssh out to another server just fine. I don't know what to even do.
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Jul 12, 2011
I am having problem to collecting email from remote POP3 (all the emails for a domain is stored here) and distribute it after collecting to several users defined to Linux server. I have install postfix in Linux server for email distribution.
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Feb 22, 2010
I would like to set disclaimer like content in my meral mail server, so that all the users should be able to get that content automatically in their outgoing mails.
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Nov 25, 2010
I've setup a Lamp Server for Testing, The Lamp Server is Up & Running on CentOs 5.5
I am now trying to setup a VSFTP server where local users can upload files to there home directory so that Apache can serve web pages straight from the directories of system user home/accounts giving users the ability to run their own web sites which are hosted off the main server [tutorial here: [url]
So far i have been able to serve/display index.html files from the users home directory [url] but so far i cant upload files to any user home directory, every time i try to upload a file with filezilla i get this error message: 553 Could not create file. Critical file transfer error
I have searched online for similar problems like mine and so far i've tried alot of the solution but none seem to work. I'm confused, dont know where i went wrong, i put the users in a group called ftpusers and here are the permissions on the users (test, ftpuser & testftp) home directory. have a look an tell me where i went wrong :(
Also the root directory where the web pages are served from is called public_html here are the permissions
Here is my vsftp.conf file can someone check it to see if i made any errors in there:
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May 18, 2010
I have an issue with users logging into a server. There are multiple (5 or so) database admins that have to log into a windows 2003 server and from there log into a red hat server. Once they are in the rhel box they execute an app (let's say xclock) that gives them an xwindows session on their desktop. Currently only one person can do this at a time, but they have asked me to configure it to allow multiple users to log into the red hat box from the windows server and run an xwindow.
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Sep 1, 2011
I seem to be having a bit of trouble with a script I've been working with to add users to an Ubuntu file server So what I've been using is a text file in the format:
Code:
Username UserGroup Userpass
and feeding it into this script:
[code]....
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