3、初始化rootfs脚本--创建小型linux
#!/bin/bash
# function:Initalize the system script
source /scripts/automount.sh
ROOTFS () {
[ -d $N ] && (mount |grep $N) || echo "ERROR,The $N is not mounted";read -p "Do you want to continue.(y/n)" ANSWER
if [ "$ANSWER" = "n" -o "$ANSWER" = "N" ];then
exit
fi
rm -rf $N/*
mkdir -pv $N/{boot,proc,sys,dev,home,root,etc/{rc.d,sysconfig,init.d},bin,sbin,lib,usr/{bin,sbin,lib,include},var/{log,run},tmp,mnt,opt,media}
echo "mkdir directory sucessful."
chmod 1777 $N/tmp
echo "change the tmp type sucessful."
cat >> $N/etc/inittab << EOF
id:3:initdefault:
si::sysinit:/etc/rc.d/rc.sysinit
EOF
[ $? -eq 0 ] && echo "$N/etc/inittab is sucessful."
cat >> $N/etc/rc.d/rc.sysinit << EOF
#!/bin/bash
echo -e "Welcome to fish linux."
mount -n -o remount,rw /
mount -n -a
/bin/bash
EOF
[ $? -eq 0 ] && echo "$N/etc/rc.d/rc.sysinit is sucessful."
chmod +x $N/etc/rc.d/rc.sysinit
cat >> $N/etc/fstab << EOF
/dev/sda2 / ext3 defaults 0 0
/dev/sda1 /boot ext3 defaults 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
EOF
[ $? -eq 0 ] && echo "The $N/etc/fstab is sucessful."
}
ROOTFS $N
本文出自 “fish” 博客，请务必保留此出处http://seeds.blog.51cto.com/1501815/1396132
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