Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Installationshandbuch PDF herunterladen (Seite 121)

Chapter 6. Configuring an NFS/FTP server 101

The directories to export with NFS are in the /etc/exports configuration file. Export the

/nfs/rhel6/ directory to make the installation tree available and /nfs/virt-cookbook-RH6/ to

make the files associated with this book available. First, make a backup copy of the file. Then

edit the original copy and add the two directories as follows:

# cd /etc

# cp exports exports.orig

# vi exports // add two lines

/nfs/rhel6 *(ro,sync)

/nfs/virt-cookbook-RH6 *(ro,sync)

The *(ro,sync) parameter specifies that any client with access to this server can get the NFS

mount in read-only mode. You may want to be more restrictive than allowing any client (with

the “*”) for security reasons. Type man exports for more details.

Set the NFS server to start with the chkconfig command and start it on the current session

with the service nfs start command:

# chkconfig nfs on

# chkconfig --list nfs

nfs 0:off 1:off 2:on 3:on 4:on 5:on 6:off

# service nfs start

Starting NFS services: [ OK ]

Starting NFS quotas: [ OK ]

Starting NFS daemon: [ OK ]

Starting NFS mountd: [ OK ]

Your NFS server should now be running with the directory exported. You should test this

configuration by mounting the exported directory locally. The following example shows that

the /mnt/ directory is empty. Then the newly exported /nfs/ directory is mounted and the

files are listed.

# mkdir /mnt/tmp

# mount localhost:/nfs/rhel6/ /mnt/tmp

# ls -F /mnt/tmp

EULA README-or.html RELEASE-NOTES-ja.html

eula.en_US README-pa.html RELEASE-NOTES-ko.html

generic.ins README-pt_BR.html RELEASE-NOTES-ml.html

GPL README-ru.html RELEASE-NOTES-mr.html

images/ README-si.html RELEASE-NOTES-or.html

...

The output shows that the RHEL 6 installation tree is accessible through NFS. Now unmount

it and test the virt-cookbook-RH6/ directory:

# umount /mnt/tmp

# mount localhost:/nfs/virt-cookbook-RH6 /mnt/tmp

# ls -F /mnt/tmp

clone-1.0-9.s390x.rpm README.txt vm/

# umount /mnt/tmp

You should now be able to use this server as the source of a RHEL 6 mainframe Linux

installation. Later, you will be able to copy the installation tree to a System z Linux virtual

server.

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