在etc目录下的内容主要取决于要运行的程序,
这里只需要创建3个文件即可:etc/inittab、etc/init.d/rcS、etc/fstab。
root@huanghuang-desktop:/work/nfs_root/fs_mini# mkdir etc
root@huanghuang-desktop:/work/nfs_root/fs_mini# ls
bin etc lib linuxrc sbin usr
1、仿照Busybox的examples/inittab,创建etc/inittab
root@huanghuang-desktop:/work/nfs_root/fs_mini# cd etc
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc# gedit inittab
# /etc/inittab
::sysinit:/etc/init.d/rcS
ttySAC0::askfirst:-/bin/sh
::ctrlaltdel:/sbin/reboot
::shutdown:/bin/umount -a -r
2、创建一个脚本文件/etc/init.d/rcS,
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc# mkdir init.d
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc# cd init.d
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc/init.d# ls
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc/init.d# gedit rcS
#!/bin/sh
ifconfig eth0 172.22.136.38
mount -a
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc/init.d# chmod +x rcS
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc/init.d# ls -l
总计 8
-rwxr-xr-x 1 root root 47 2009-12-11 21:27 rcS
-rw-r--r-- 1 root root 47 2009-12-11 21:27 rcS~
3、创建etc/fstab,来定义文件系统的“静态信息”,这些信息来控制mount的行为。
root@huanghuang-desktop:/work/nfs_root/fs_mini/etc# gedit fstab
#device mount-point type options dump fsck order
proc /proc proc defaults 0 0
tmpfs /tmp tmpfs defaults 0 0
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