[Leaplist] permissions help with NFS mounts

Ray Brunkow ray at brunkow.ws
Sun Jun 28 21:33:38 EDT 2009


I just built a CentOS 5.3 NFS file server and I am having issues with 
permissions.  I have been successful at adding extra HDD and partitions 
to the fstab:

cat /etc/fstab
LABEL=/1                /                       ext3    defaults        1 1
LABEL=/boot1            /boot                   ext3    defaults        1 2
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
LABEL=SWAP-sdb1         swap                    swap    defaults        0 0
/dev/sda3        /home1            ext3    rw,noatime,user    0 0
/dev/sdb2        /home11            ext3    rw,noatime,user    0 0
/dev/sdc1        /winXP            vfat    rw,noatime,user,umask=0    0 0
/dev/sdc2        /winXP_data        ntfs-3g    rw,umask=0000,defaults    0 0
/dev/sdd3        /sdd3            ext3    rw,noatime,user    0 0
/dev/sdd4        /sdd4            ext3    rw,noatime,user    0 0

Only / /boot    /dev/shm   /dev/pts   /proc   swap  were mounted from 
the install.  The other partitions/drives are a collection of old HDDs I 
have had laying around collecting dust.   On /home1 /home11 /winXP 
/winXP_data /sdd3 and /sdd4 i want the network users to have full rwx 
access.  This is a file server after all.  I want to be able to gain 
access to the storage, move files around, delete files, add files and 
directories, as well as mount ISO images all as if the permissions were 
777.  YES I KNOW bad Brunkow, tough, its a file server and on those 
drives/partitions thats what I want.

I have NFS working as I can mount the shares from /etc/exports

cat /etc/exports
/home1 192.168.2.0/255.255.255.0(rw,insecure)
/home11 192.168.2.0/255.255.255.0(rw,insecure)
/winXP 192.168.2.0/255.255.255.0(rw,insecure)
/winXP_data 192.168.2.0/255.255.255.0(rw,insecure)
/sdd3 192.168.2.0/255.255.255.0(rw,insecure)
/sdd4 192.168.2.0/255.255.255.0(rw,insecure)

I added the 'insecure' tag from http://sial.org/howto/osx/automount/ 
that made the suggestion.  They are supposed to be read write, but I can 
not write to them except the NTFS and FAT32 systems.  the ext3 file 
system I can only browse and then it is limited in most cases not 
letting me in all directories.

cat /etc/hosts.allow
#
# hosts.allow    This file describes the names of the hosts which are
#        allowed to use the local INET services, as decided
#        by the '/usr/sbin/tcpd' server.
#
portmap: 192.168.2.0/255.255.255.0


So I can get to the NFS server from my iMAC, but the permissions are not 
what I need/want.  What adjustments and were do I need to make the 
adjustments to get my desired results.

My guess is someplace in the fstab, but I was lucky enough to edit that 
to add the directories and get NFTS mounted in the first place as it 
seems there is a known issue with CentOS 5.3 not working with mount ntfs 
and you have to hack it with fose and ntfs-3g and a few other 
applications/files/whatevertheyarecalled from a 3rd party repository.

At least I do have full access to those files...

Thanks for the help.

uname -a
Linux AMD64-FILE1 2.6.18-128.1.14.el5 #1 SMP Wed Jun 17 06:40:54 EDT 
2009 i686 athlon i386 GNU/Linux


-- 
Raymond L. Brunkow
5th Degree Black Belt
Certified Instructor
Choong Sil Kwan TaekwonDo Federation


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