Mount remote filesystem for the OMAP

1. build NFS server

(1) 要讓rpc.nfsd , rpc.mountd 等daemon順利run起來

     詳細可參考網路上文件還有NFS-HOWTO 等資料

(2) 編輯/etc/exports

     /nfs_root 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/etc 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/bin 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/sbin 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/proc 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/dev 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/usr 140.115.50.0/255.255.255.0(rw,no_root_squash)

    /nfs_root/lib 140.115.50.0/255.255.255.0(rw,no_root_squash)

   設定為read/write皆可 . no_root_squash是可使用root 權限

2. build file system on NFS server

      剛剛設定檔/etc/exports裡頭的那些目錄你要建好, 如lib  sbin  bin  etc等等

      (1)   Using busybox to build tool software

        如: /sbin  /bin  /usr/bin  /usr/sbin裡頭的程式 ls , df ,cp ,mv ,ping等等

      (2)   modify necessary configuration files

     如: fstab  init.d/rcS  inittab*  resolv.conf* 等最基本需求的設定檔

     (3)  配置/dev 裡頭的node file

            如: audio  console  mixer  ram0  ram1  ttyS0

3. modify kernel command

     在source code 裡頭的.config修改

     CONFIG_CMDLINE="mem=32M console=ttyS0,115200n8 noinitrd

                                             root=/dev/nfs nfsroot=140.115.50.43:/nfs_root ip=dhcp"

     CONFIG_CMDLINE="mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs

                                             nfsroot=140.115.50.43:/nfs_root ip=140.115.50.7:140.115.1.254:255.255.0.0"

     指定 :

     nfs_root 代表nfs server為140.115.50.43

     console為ttyS0(serial port 1)

     ip可用dhcp或是直接指定( ip: gateway, netmask)