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5. Setting up the Intranet

An Intranet cannot be complete without sharing the resources on the different platforms. You will need support for other filesystems, so that you can access the data available on them. This document provides instructions to connect Linux to the following popular filesystems.

• NCP filesystem for Netware
• SMB filesystem for Windows
• NFS filesystem for Unix

These filesystems can be compiled into the Linux kernel or added as modules, depending on the version of Linux. If you are not familiar with compiling the kernel you can refer to the Kernel HOWTO http://sunsite.unc.edu/mdw/HOWTO/Kernel-HOWTO.html and the Module HOWTO http://sunsite.unc.edu/mdw/HOWTO/Module-HOWTO.html for compiling the kernel with modules.

5.1 NCPFS

To share the files on the Netware server you will need support for NCP (ncpfs). NCPFS works with kernel version 1.2.x and 1.3.71 upwards. It does not work with any earlier 1.3.x kernel. It cannot access the NDS database in Netware 4.x, but can make use of the bindery. If you are using Netware 4.x you can enable bindery support for specific containers using the command Set Bindery Context at the console as:

  set Bindery Context = CORP.MYDOM;WEBUSER.MYDOM

You will need to download the NCP filesystem utilities using the URL ftp://sunsite.unc.edu/pub/Linux/system/filesystems/ncpfs/ncpfs.tgz (currently ncpfs-2.0.10) from Sunsite.

Installation

To install the ncpfs utilities, type

   zcat ncpfs.tgz | tar xvf -

The installation of ncpfs depends on the kernel version you are using. For kernel 1.2, you should simply type 'make'. Subsequently typing 'make install' will install the executables and man pages.

If you use Kernel 1.3.71 or later, you might have to recompile your kernel. With these kernels, the kernel part of ncpfs is already included in the main source tree. To check if the kernel needs to be recompiled type

   cat /proc/filesystems

If ncpfs is not there, you can either recompile the kernel or add ncpfs as a module. For recompiling the kernel you should type 'make config' and when it asks you for

The IPX protocol (CONFIG_IPX) [N/y/?]

simply answer 'y'. Probably you do not need the full internal net that you are asked for next. Once the kernel is successfully installed, reboot, check /proc/filesystems and if everything is OK proceed with the installation of the ncpfs utilities. Change directory to the location holding your downloaded ncpfs files, and type 'make'. After the compilation is finished type 'make install' to install the various utilities and man pages.

Mounting NCPFS

To check the installation type

   ipx_configure --auto_interface=on --auto_primary=on

....wait for 10 seconds and type

   slist

Suppose we need to access HTML files from directory \home\htmldocs on volume VOL1: on the server MYDOM_NW, I recommend that you create a new user (say) 'EXPORT' with password 'EXP123' on this server to whom you grant appropriate access rights to this directory using SYSCON or NWADMIN.

On the Linux machine create a new directory /mnt/MYDOM_NW. Now type the command

   ncpmount -S MYDOM_NW -U EXPORT -P EXP123 /mnt/MYDOM_NW

   ls /mnt/MYDOM_NW/vol1/home/htmldocs

5.2 SMBFS

To share the files on the Windows server you will need support for SMB (smbfs).

You will need to download the SMB filesystem utilities from ftp://sunsite.unc.edu/pub/Linux/system/filesystems/smbfs/smbfs.tgz (currently smbfs-2.0.1) from Sunsite.

Installation

To install the smbfs utilities, type

   zcat smbfs.tgz | tar xvf -

The installation of smbfs depends on the kernel version you are using. For kernel 1.2, you should simply type 'make'. Subsequently typing 'make install' will install the executables and man pages.

If you use Kernel 2.0 or later, you might have to recompile your kernel. With these kernels, the kernel part of smbfs is already included in the main source tree. To check if the kernel needs to be recompiled type

   cat /proc/filesystems

If smbfs is not there, you can either recompile the kernel or add smbfs as a module. For recompiling the kernel you should type 'make config' and when it asks you for adding SMB filesystem support simply answer yes. Once the kernel is successfully installed, reboot, check /proc/filesystems and if everything is OK proceed with the installation of the smbfs utilities. Change directory to the location holding your downloaded smbfs files, and type 'make'. After the compilation is finished type 'make install' to install the various utilities and man pages.

Mounting SMBFS

In our example let us assume that the WinNT server is called 'MYDOM_NT' and is sharing its directory C:\PUB\HTMLDOCS with a share name of 'HTMLDOCS' without a password. On the Linux machine create a new directory /mnt/MYDOM_NT. Now type the command

   smbmount //MYDOM_NT/HTMLDOCS /mnt/MYDOM_NT -n

to mount the SMB (windows share) file system. If this does not work try

   smbmount //MYDOM_NT/COMMON /mnt/MYDOM_NT -n -I 172.16.0.3

Typing the command

   ls /mnt/MYDOM_NT

5.3 NFS

First you will need a kernel with the NFS file system either compiled in or available as a module.

Suppose you have a Unix host running NFS with the name MYDOM_UNIX and an IP address of 172.16.0.4. You can check the directories that are being exported (shared) by this host by typing the command

   showmount -e 172.16.0.4

   mount -o rsize=1024,wsize=1024 172.16.0.4:/pub/htmldocs /mnt/MYDOM_UNIX

If you have any problems please read the NFS HOWTO at http://sunsite.unc.edu/mdw/HOWTO/NFS-HOWTO.html for more insights into the NFS system.

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