Is their a way to set up roaming user profiles in redhatlinux server to login with client machines and the data will be saved in the server user folder ? . A link to tutorial from any site or here would be very helpful.

Yes
The 7th option from the left on the menu bar above this post has an option that they've cleverly marked "Search"...
I wonder if that's what you're looking for?

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In an all-*nix environment, you can share home directories via NFS from a single server. Since shell and application startup files are contained within the home directory, the user should get a common environment assuming all machines are identical in terms of hardware and software. Network authentication and identity can be handled a variety of different ways (NIS, LDAP, Kerberod, even active directory). If you want to know more, you need to ask specific questions like dijetlo says.

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the clear question should be how to set up ldap server in redhat or centos linux and join other linux systems in the server's domain and create a directory for a domain user in server so linux users on the lan can log into server as the domain user and whatever they work will be saved on the domain user's folder on the server machine. I am trying to get as clear i can about this agenda.can anybody kindy provide me a proper tutorial link for that . its for my study.

Here's a full setup howto for Centos 6 http://www.server-world.info/en/note?os=CentOS_6&p=ldap

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its skipping somethings like does i need to edit the /etc/openldap/slapd.conf and change the "dc=" and add rootpw and the the code generated from the slappasswd command and in one other tutorial i saw making a root.ldif and users.ldif (for all users) file in /etc/openldap/ and wheres the DB_CONFIG ?????? in /var/lib/ldap/ ???????? and do i need to edit the /etc/openldap/ldap.conf ?????
and for adding the client this tutorial just shown creating a .ldif filr in /home/root (the root's home dir but wee need to put it in /etc/openldap/ right ????????????

im confused :S please help

I just answered your other post. The post above does not make much sense. What step are you trying to accomplish? OpenLDAP 2.4 and greater have a new config syntax that is manipulated completely within LDAP (I don't like it, but that's just MOO). You do need to configure your base DN and administrative DN, and then create LDIF files to import users, groups, and any other data (e.g. phone lists) you want in the directory.

You can create an LDIF file anywhere and then use ldapadd/ldapmodify/ldapdelete to operate on it (depending on what you're trying to do). The LDIF files aren't the actual config files, they're data manipulation and control commands for the server. Does this make sense?

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thanks man its very detailed and just like i said its for my curiosity and study purpose.
i know how to configure nfs,samba,named,telnet,httpd,pxe,dhcpd,ftp,squid
what i did
1)installed openldap using yum
2)used this link to edit slapd.conf and make ldif files http://www.howtoforge.com/linux_open..._server_client moved the DB_CONFIG in /var/lib/ldap added users using ldapadd command
2)on client used setup command to allow ldap and md5 and login through ldap and specified the domain and ip of the sever
3) configured samba on server for /home to anonnymous access
3)restarted ldap restarted client and tring to log in using the ldap user i created on server but getting incorrent login

what am i doing wrong btmiller ? im using CentOS 5.4

OK first things first, CentOS 5.4 is OLD and UNSUPPORTED. The latest version of the 5.x line is 5.10 or thereabouts. You really should make sure you have the latest security patches and bugfixes.

Second off, you need to do some basic troubleshooting. Have you configured /etc/openldap/ldap.conf on the client? If you do "ldapsearch -x" on both the client and the server, do you see the DNs for the user you created? Assuming you do, can you do "id <ldapuser>" and "getent passwd <ldapuser>" on the client and get the correct information for the user you created in LDAP? If this works, have you configured PAM to use LDAP when authenticating (either via the ldap or sssd PAM modules)?

There are any number of things that can go wrong here (believe me, I've seen most of them), the trick is to figure out which one is causing the problem and then fix it.

Unfortunately, I know zilch about SAMBA (I'm an NFS guy), so I can't really help with that piece of the puzzle. Hopefully someone else will chime in.

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yes man i have configured pam on client to use ldap i have mounted the ldap user's home directory in client's home

ok first of all please see the link i have given and check if the domain.com.ldif's configaration is correct or and the root.ldif file's
it was giving error while ldapadd something like multiple objectClass and yes i have updated the domain info in /usr/share/doc/openlap/migrate_common.ph and in tutorial their updating "Manager" its cn=Manager

"Manager"
||
computername.mydoamin.com
^^
right ?

thanks again btmiller for answering u been very helpful thanks very much for sharing your knowledge

i haven't found any good tutorials for centos 6 /redhat 6 so if i succeed in this i will move onto that this way i shall have a better understanding

i solved it every tutorial was missing something i took something from all of em did some / alot research and finally done it on redhat 6*