ChorusOS 5.0 Installation Guide

Configuring the Boot Server

The following procedure requires that the target system and boot server must be on the same subnet.

See Chapter 5, Setting Up a Boot Server. for instructions on how to enable TFTP and RARP services on the boot server.

Become superuser on the boot server:
$ su Password: superuser_password #

Copy the inetboot.sun4u file, that is, install_dir/chorus-usparc/opt/unsupported/inetboot.sun4u to the /tftpboot directory, where, the install_dir is /opt/SUNWconn/SEW/5.0-UltraSPARC.

Create a soft link from the inetboot.sun4u file to a file called /tftpboot/target_IP_address_in_hex.

For example, the file for the target system with IP address 129.157.197.88 is called 819DC558, and is constructed as follows:
- 129 in decimal translates to 81 in hexadecimal
- 157 in decimal translates to 9D in hexadecimal
- 197 in decimal translates to C5 in hexadecimal
- 88 in decimal translates to 58 in hexadecimal
To create the soft link for the preceding examples, use the following commandS:
# ln -s /tftpboot/inetboot.sun4u 819DC558

Create a /tftpboot/export/root/target/platform/sun4u directory on the boot server.

Copy the system image, chorus.obp, to the directory you just created.

Edit /etc/bootparams to include the following:
```
target root=boot_server:/tftpboot/export/root/target
```
where target is the target system hostname and boot_server is the boot server hostname.

Note -
Create the bootparams file if it doesn't exist.

Edit /etc/hosts to include the following:
```
target_IP_address     target
```
where target_IP_address is the target IP address (such as 129.157.197.88) and target is the target system hostname.

Edit /etc/ethers to include the following:
```
target_Ethernet_address     target
```
where target_Ethernet_address is the target Ethernet address (such as 8:0:20:a7:d6:f3) and target is the target system hostname.

Edit /etc/dfs/dfstab to include the following:
```
share -F nfs -o rw -d "ChorusOS boot"  /export/home
```
For the directory to be shared, you must stop and then restart the NFS server on the host workstation as follows:
$ su Password: superuser_password # /etc/init.d/nfs.server stop # /etc/init.d/nfs.server start

Edit /etc/nsswitch.conf so that the hosts, ethers, and bootparams entries read files, rather than NIS databases. For example:

#
# /etc/nsswitch.nis:
#
# An example file that could be copied over to /etc/nsswitch.conf; it
# uses NIS (YP) in conjunction with files.
#
# "hosts:" and "services:" in this file are used only if the
# /etc/netconfig file has a "-" for nametoaddr_libs of "inet" transports.

# the next two lines obviate the "+" entry in /etc/passwd and /etc/group.
passwd:     files nis
group:      files nis

# consult /etc "files" only if nis is down. 
hosts:      files [NOTFOUND=return] nis
networks:   nis [NOTFOUND=return] files
protocols:  nis [NOTFOUND=return] files
rpc:        nis [NOTFOUND=return] files
ethers:     files [NOTFOUND=return] nis
netmasks:   nis [NOTFOUND=return] files	
bootparams: files [NOTFOUND=return] nis
publickey:  nis [NOTFOUND=return] files

netgroup:   nis

automount:  files nis
aliases:    files nis

# for efficient getservbyname() avoid nis
services:   files nis
sendmailvars:   files

Reboot the boot server.