rootfilesystem

操作系统构成实验 Linux 操作系统的启动流程 开机载入程序—引导软件LILO 实验设计思想 配置新内核bzImage 制作启动盘(Boot盘) 制作根文件系统盘 系统整合

#!/bin/bash
#
dd if=/dev/zero of=DEVICE bs=1k count=4400
# After this command,you should select yes, press 'y' and ENTER
mke2fs -m0 -i 2000 DEVICE
#
mount -t ext2 -o loop DEVICE /mnt
mkdir -p /mnt/{dev,proc,etc,etc/rc.d,sbin,bin,lib,mnt,boot,usr,root,tmp,var}
#
mkdir -p /mnt/usr/{bin,etc,sbin,share}
mkdir -p /mnt/var/{lib,lock,log,run,tmp}
touch /mnt/var/run/tmp
ln -s /mnt/var/tmp /mnt/usr/tmp
#
cp /boot/{boot.b,map} /mnt/boot/
#
cp /home/usr.bz2 /mnt/
#
cp -dpR /home/root-xwin/dev/ /mnt/
cp -dpR /home/rc.d/* /mnt/etc/rc.d/
cp /home/{floppy,fstab,inittab,group,gshadow,passwd,rc,shadow,profile,inputrc} /mnt/etc
#
cp /bin/{ash,cp,dd,grep,hostname,ln,login,ls,mkdir,mknod,mount,rm,su,sync,umount,touch} /mnt/bin/
ln -s /mnt/bin/ash /mnt/bin/sh
##cp /home/tinylogin /mnt/bin
##ln -s /mnt/bin/tinylogin /mnt/bin/login
cp /home/bzip2 /mnt/bin/
#
cp /sbin/{fsck,init,mingetty,shutdown,ldconfig,mke2fs,nologin,reboot,losetup,poweroff} /mnt/sbin/
#
ln -s /mnt/sbin/reboot /mnt/sbin/halt
#
cp -dpR /lib/{libext2fs.so.2,libcom_err.so.2,libe2p.so.2,libuuid.so.1,ld-linux.so.2,libc.so.6,libpam_misc.so.0,libdl.so.2,libpam.so.0,libtermcap.so.2,libcrypt.so.1} /mnt/lib
#
objcopy --strip-debug /lib/libext2fs.so.2 /mnt/lib/libext2fs.so.2
objcopy --strip-debug /lib/libcom_err.so.2 /mnt/lib/libcom_err.so.2
objcopy --strip-debug /lib/libe2p.so.2 /mnt/lib/libe2p.so.2
objcopy --strip-debug /lib/libuuid.so.1 /mnt/lib/libuuid.so.1
objcopy --strip-debug /lib/ld-linux.so.2 /mnt/lib/ld-linux.so.2
objcopy --strip-debug /lib/libc.so.6 /mnt/lib/libc.so.6
objcopy --strip-debug /lib/libcrypt.so.1 /mnt/lib/libcrypt.so.1
objcopy --strip-debug /lib/libpam_misc.so.0 /mnt/lib/libpam_misc.so.0
objcopy --strip-debug /lib/libdl.so.2 /mnt/lib/libdl.so.2
objcopy --strip-debug /lib/libpam.so.0 /mnt/lib/libpam.so.0
objcopy --strip-debug /lib/libtermcap.so.2 /mnt/lib/libtermcap.so.2
#
mkdir /mnt/lib/security
cp /lib/security/pam_permit.so /mnt/lib/security/
#
# chdir /mnt
chroot /mnt /sbin/ldconfig
#
umount /mnt
dd if=DEVICE bs=1k | gzip -v9 > rootfs.gz
#
echo "The Rootfilesystem is OK !"
sleep 3