root@rk3066:/system # rm test
rm test
rm failed for test, Read-only file system
255|root@rk3066:/system # mount -o remount,rw /system
mount -o remount,rw /system
root@rk3066:/system # rm test
rm test
rm failed for test, Is a directory
255|root@rk3066:/system # rmdir test
rmdir test
root@rk3066:/system # sed 's/rockchip.com:2300/baidu.com:8800/g' build.prop
sed 's/rockchip.com:2300/baidu.com:8800/g' build.prop
/system/bin/sh: sed: not found
127|root@rk3066:/system # busybox sed 's/rockchip.com:2300/baidu.com:8800/g' bui
ld.prop
rm test
rm failed for test, Read-only file system
255|root@rk3066:/system # mount -o remount,rw /system
mount -o remount,rw /system
root@rk3066:/system # rm test
rm test
rm failed for test, Is a directory
255|root@rk3066:/system # rmdir test
rmdir test
root@rk3066:/system # sed 's/rockchip.com:2300/baidu.com:8800/g' build.prop
sed 's/rockchip.com:2300/baidu.com:8800/g' build.prop
/system/bin/sh: sed: not found
127|root@rk3066:/system # busybox sed 's/rockchip.com:2300/baidu.com:8800/g' bui
ld.prop
m:2300/baidu.com:8800/g' build.prop <
用cat show出build.prop的内容,发现已经被改变
ro.product.ota.host=www.baidu.com:8800
不过,系统会自动刷新你更改过的内容,变回原来的内容了。看来build.prop中已有的属性是改不了的,不过可以往里面echo一些新的信息,这不会被覆盖。
后来发现,这样做还是麻烦了,只要通过adb remount把/system变为可写的,就可以用adb pull 把文件down下来,然后push回去,实现文件修改了。