Fedora Core 4 Tutorial
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4. Daemons setup4.1. NFS daemonJust export the directory in which the client's root filesystem will reside (see the exports manpage for more information about this topic). The simplest is to export it no_root_squash and rw, but a perfect setup would export most of the root filesystem root_squash and ro, and have separate lines in the /etc/exports for directories which really require no_root_squash and/or rw. Just start with everything rw and no_root_squash, the fine tuning will be done later. Of course, you don't need any NFS server at all if you plan to run your clients entirely from ramdisk. 4.2. BOOTP daemonI assume you have installed the bootpd package. The default configuration file is /etc/bootptab, and its syntax is detailed in the bootptab manpage. Let's create it. First, open as root your favourite text editor. It is vim. Yes, it is. If it is not, it has to become. Now, enter the following lines (they are the default attributes). All the attributes you give here and do not override in a machine's specific attributes list will be given to clients):
Then, add an entry per client in your network. An entry should look like this:
Here is a sample /etc/bootptab file:
Then, run the bootpd daemon with the bootpd -s command (it is also a good idea to add it to your startup scripts), or add the following line to your /etc/inetd.conf:
If you want to test the BOOTP server, add an entry to your /etc/bootptab and use the bootptest program. 4.3. TFTPSetting up the TFTP daemon is not the hard part: just install the tftpd package if you have one, and add the following line to your /etc/inetd.conf (again, I assume /tftpboot is the directory where the kernel image resides):
You should be aware of the limitations implied by running the TFTP daemon from the inetd. Most inetd's will shutdown a service if it is spawned to frequently. So if you have many clients, you should look for another inetd like xinetd, or run a standalone TFTP daemon. Now you have properly setup all daemons, you can restart the inetd and take a coffee. Don't forget to tell everyone the server setup is over, so you think you're a hero before you start building the root filesystem for the clients. |
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