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我想用移动硬盘启动 redflag7 livecd 
 
title RedFlag 7 
find --set-root /redflag-DT7-livecd.iso 
map /redflag-DT7-livecd.iso (0xff) 
map --hook 
root (0xff) 
kernel /isolinux/vmlinuz0 root=CDLABEL=redflag-DT7-livecd isodev=/dev/sd2 isodev_dir=/ rootfstype=iso9660 ro liveimg quiet vga=788 live_locale=zh_CN.UTF-8 
initrd /isolinux/initrd0.img 
boot 
 
我这样子启动总是失败 
 
 
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