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Services for UNIX - Interoperability

A blog on Services for UNIX and UNIX Interoperability components in Windows by Ashish

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  • Blog Post: Proof of Concept: NFS Attributes Editor

    Proof of Concept: NFS Attributes Editor We come across a lot of people who have IdMU tools installed even though they don't use the NIS authentication. This, primarily, happens because they have NFS in their environment and with Windows Vista and later, the only way to get identities mapped is by...
  • Blog Post: Synchronizing SFU Attributes with RFC2307 Attributes

    Synchronizing SFU Attributes with RFC2307 Attributes In a very short span of time, I received multiple requests for a script that can sync the values from SFU attributes to RFC2307 attributes. This isn't a new request but it pretty much pointed out that some information is missing and people run in...
  • Blog Post: Managing Client Groups - An Easier Approach

    Managing Client Groups - An Easier Approach On UNIX-based NFS servers, it's much easier to control access to the NFS shares based on host names or IP addresses. You just have to put them in the export file and it's done. It's not so difficult in Windows either - you can click on the Permission buttons...
  • Blog Post: Using DFS for Centralized Access to Multiple NFS Servers

    Using DFS for Centralized Access to Multiple NFS Servers Lately, we have seen customers who are trying to utilize DFS to publish NFS shares from a single DFS server to centralize the access for the clients. This has several benefits. It removes the problem of keeping a note of what NFS server is...
  • Blog Post: Getting AD Lookup to work without UNIX Attributes tab

    Getting AD Lookup to work without UNIX Attributes tab The previous post talks about how to get the UNIX Attributes tab to work without installing IdMU components. In this post, I would like to talk about what attributes the NFS components expect to be populated in AD for user and group object before...
  • Blog Post: Using UNIX Attributes tab without installing IdMU

    Using UNIX Attributes tab without installing IdMU Starting with the Windows Server 2003 R2 release, Microsoft has made it clear that the AD Lookup feature would be the preferred direction to go for identity mapping between Windows and *nix when it comes to NFS access - both server and client. AD Lookup...
  • Blog Post: Limitation with Active Directory Lookup feature in Microsoft Services for NFS

    Limitation with Active Directory Lookup feature in Microsoft Services for NFS The Active Directory Lookup feature that was introduced with Windows Server 2003 R2. This feature greatly simplifies the UNIX identity information management but has its own set of limitation. I thoughy I'll document them...
  • Blog Post: All (well, almost) about Client for NFS - Configuration and Performance

    All (well, almost) about Client for NFS - Configuration and Performance I was looking at the referrals this blog gets and I noticed that a lot of times people look for information on Client for NFS in Services for UNIX, Windows Server 2003 R2 or in Windows Vista and come to this blog, but I don't...
  • Blog Post: Configuring User Name Mapping - Part 3 (Advanced Mapping)

    Configuring User Name Mapping - Part 3 (Advanced Mapping) Simply said - when you map users and groups manually with their UNIX counterparts, it's called Advanced Mapping. From the last post on User Name Mapping, you may be aware that Simple Mapping automatically creates maps for all users and group...
  • Blog Post: Configuring User Name Mapping - Part 2 (Simple Mapping)

    Configuring User Name Mapping - Part 2 (Simple Mapping) Continuing the discussion from Configuring User Name Mapping - Part 1 - I will explain how to get Simple Mappings done in this post. To rephrase, User Name Mapping (UNM) bridges the gap between the different user identification used in Windows...
  • Blog Post: SFU hot fixes in email

    SFU hot fixes in email Like any other Microsoft hot fix, you can also receive SFU hot fixes in your inbox - http://go.microsoft.com/?linkid=6294451 All you need is the KB article number which describes the fix you need. While we are talking about it, the following is also important to note - ...
  • Blog Post: Update: Windows Server 2003 SP2 breaks SFU

    This post discussed about a problem with SFU 3.5 Interix and Password Synchronization components which break when you install Windows Server 2003 Service Pack 2. It also lists steps to fix it manually using files from another hot fix. Microsoft has released a new hot fix - KB936529 - which fixes this...
  • Blog Post: "Network Error 53", "The data area passed to a system call is too small" or "Unknown Error"

    "Network Error 53", "The data area passed to a system call is too small" or "Unknown Error" Client for NFS included with Windows Server 2003 R2 returns different errors when trying to access NFS shares on UNIX-based NFS servers. The exact error message may depend on your environment - you might get...
  • Blog Post: How User Name Mapping works?

    How User Name Mapping works? User Name Mapping is the core NFS authentication component in Services for UNIX, Windows Server 2003 R2 and Windows Vista. It bridges the gap presented by difference in user identification methods used by Windows and UNIX systems. It plays equally important role for Server...
  • Blog Post: Set up Server for NFS in Windows Server 2003 R2

    Set up Server for NFS in Windows Server 2003 R2 In this post, I will talk about configuring Microsoft Services for Network File System, mainly Server for NFS and User Name Mapping , in Windows Server 2003 R2. You can follow the same steps for Services for UNIX (SFU) 3.5 except only a few of them because...
  • Blog Post: Using chown/chgrp from UNIX clients

    Using chown/chgrp from UNIX clients Why it is still owned by 4294967294? Haven’t I mapped root user to Administrator user? Well, you might recall – in Windows world a file or directory can be owned by a user or a group. Since default owner happens to be the Administrators group, you can see this...
  • Blog Post: Configuring User Name Mapping

    Configuring User Name Mapping We can now mount the share on the Linux client and can also create files. Next thing we should do is to configure User Name Mapping and see it in action. So let’s go back to our Windows system. I have created few local users and group on this Windows systems and the...
  • Blog Post: Who's 4294967294?

    Who's 4294967294? Why is /mnt/nfs owned by something like 4294967294 and why is the group set to the same? Why there are no permissions for anyone except the owner on the nfs directory? I am root on the Linux client so why is myfile owned (again) by 4294967294? Well, first of all, remember we have...
  • Blog Post: Mounting NFS share on NFS client

    Mounting NFS share on NFS client Now click on OK twice and come out of the folder properties saving the changes you've made, open a command prompt and run – showmount –e. This should return the exports list for this system and should list the folder you just shared – Next step is to check the...
  • Blog Post: Sharing folders over NFS

    Sharing folders over NFS It’s easy – right click on the folder you to share and go to properties on this folder. You should now be able see a new tab called “ NFS Sharing ”. Here’s how it looks like – Remember that we have not yet set up User Name Mapping so Server for NFS will treat all access...
  • Blog Post: Introduction and installation of Services for NFS on R2

    Introduction and installation of Services for NFS on R2 Following is what makes up Microsoft Services for Network File System under Other Network File and Print Services in your familiar Add/Remove Windows component Wizard – Client for NFS enables Windows clients can access the data shared...
  • Blog Post: GID on NTFS File System

    GID on NTFS File System Can you set group on a file or folder on NTFS file system? - No, ugh... Yes. This question puzzled me for a long time but since it never really made it to my top priorities, I didn't look up for information on this. I thought of exploring this area more while I was researching...
  • Blog Post: Active Directory Lookup? Or, User Name Mapping? Or Both?

    Active Directory Lookup? Or, User Name Mapping? Or Both? User Name Mapping in Windows Server 2003 R2 and Services for UNIX allows you map UNIX user and group accounts to their Windows counterparts (both local and domain accounts). This service is used by Server for NFS and Client for NFS (also by...
  • Blog Post: Services for UNIX vs Windows Server 2003 R2 UNIX Interoperability

    Services for UNIX vs Windows Server 2003 R2 UNIX Interoperability Services for UNIX is a software package which helps integrating UNIX systems in your Windows environment. With Services for UNIX 3.5 (which is the latest version of this product line) you get the following components - NFS...
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