扩展coLinux分区镜像文件

现在我用coLinux跑ArchLinux，镜像只有256M，不过装几个包就不够用了，急需扩展镜像大小。

link：http://colinux.wikia.com/wiki/ExpandingRoot

上面链接上说了很多方法，下面是我最喜欢的一种，优点是安全，且不需要额外软件（如cygwin），缺点是复制了两次已有fs，有点占空间，不过原始大小只有256M，所以没什么问题

1.关掉所有coLinux

2.假设现在的文件镜像为cur.img,复制一份，设文件名为old.img

3.创建新的镜像文件，假设新文件名为new.img，大小2G，则在命令行下运行

fsutil file createnew new.img 2147483648

注：Vista下需管理员权限

4. 修改coLinux的conf文件，把三个文件都挂上，例如：
hda1="c:\Program Files\coLinux\cur.img"
hda3="c:\Program Files\coLinux\old.img"
hda4="c:\Program Files\coLinux\new.img"

5. 启动coLinux

6. 检查old fs: e2fsck /dev/hda3

7. copy fs: dd if=/dev/hda3 of=/dev/hda4

8.检查new fs: e2fsck -f /dev/hda4

9.resize new fs: resize2fs -p /dev/hda4

10. 再检查 new fs: e2fsck /dev/hda4

11. 最后修改coLinux的conf文件，用new.img作为root，如果没有问题，就可以删掉cur.img和old.img

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