Buyadong: /* 生成镜像文件 */

2014-03-29T04:39:27Z

‎生成镜像文件

Buyadong: Created page with "=== 安装所需要的包 === sudo apt-get install qemu-user-static binfmt-support === 生成镜像文件 === dd if=/dev/zero of=rock_rootfs.img bs=1M count=1024 ..."

2014-03-29T04:38:28Z

Created page with "=== 安装所需要的包 === sudo apt-get install qemu-user-static binfmt-support === 生成镜像文件 === dd if=/dev/zero of=rock_rootfs.img bs=1M count=1024 ..."

New page

=== 安装所需要的包 ===
sudo apt-get install qemu-user-static binfmt-support

=== 生成镜像文件 ===
dd if=/dev/zero of=rock_rootfs.img bs=1M count=1024
mkfs.ext4 -F -L linuxroot rock_rootfs.img #kernel use the label linuxroot to mount the rootfs as /
sudo mount -o loop rock_rootfs.img /mnt
当然你也可以从[https://releases.linaro.org/latest/ubuntu/raring-images linaro]下载已经编译好的ubuntu根文件系统：
wget https://releases.linaro.org/13.08/ubuntu/raring-images/alip/linaro-raring-alip-20130826-474.tar.gz
sudo tar zxvf linaro-raring-alip-20130826-474.tar.gz -C /mnt
cd /mnt
sudo mv binary/* .
sudo rmdir binary
拷贝你之前[[rock/Booting_Linux | 编译内核]]的内核模块
sudo mkdir -p /mnt/lib/modules
sudo cp -r /path/to/rockchip-3.0/modules/lib/modules/3.0.36+ /mnt/lib/modules
=== 准备 chroot ===
sudo cp /usr/bin/qemu-arm-static /mnt/usr/bin
sudo modprobe binfmt_misc
sudo mount -t devpts devpts /mnt/dev/pts
sudo mount -t proc proc /mnt/proc

=== Chroot 并更新配置 ===
sudo chroot /mnt
'''现在我们已经在目标系统的rootfs中了，下面继续配置这个系统。'''

修改默认shell bash
root@target:# rm /bin/sh && ln -s /bin/bash /bin/sh
安装需要预安装到系统的软件包
root@target:# apt-get update
root@target:# apt-get install ssh vim usbutils wpasupplicant wireless-tools
增加一个链接到mtd块名称的脚本（Add a script to link the mtd blocks to names）
root@target:# vim /usr/local/bin/mtd-by-name.sh
增加如下字段：
#!/bin/sh -e
# mtd-by-name link the mtdblock to name
# radxa.com, thanks to naobsd
rm -rf /dev/block/mtd/by-name/
mkdir -p /dev/block/mtd/by-name
for i in `ls -d /sys/class/mtd/mtd*[0-9]`; do
name=`cat $i/name`
tmp="`echo $i | sed -e 's/mtd/mtdblock/g'`"
dev="`echo $tmp |sed -e 's/\/sys\/class\/mtdblock/\/dev/g'`"
ln -s $dev /dev/block/mtd/by-name/$name
done
增加mtd-by-name脚本到rc.local，使得上段代码可以随开机启动：
root@target:# vim /etc/rc.local
在 “exit 0”前增加一行
/usr/local/bin/mtd-by-name.sh
''' 完成! :D'''
root@target:# exit
sync
sudo umount /mnt
现在你已经有了RR的根文件系统 '''rock_rootfs.img''' 了。

--------------------------------------------------------------------

=== 故障排除 ===
==== bluez的包配置错误 ====
<pre>
Setting up bluez (4.101-0ubuntu8b1) ...
reload: Unknown instance:
invoke-rc.d: initscript dbus, action "force-reload" failed.
start: Job failed to start
invoke-rc.d: initscript bluetooth, action "start" failed.
dpkg: error processing bluez (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of blueman:
blueman depends on bluez (>= 4.25); however:
Package bluez is not configured yet.
...

</pre>
这是因为bluez包如果要正确配置，必须要dbus服务运行才行。参照下面的：

service dbus start
dbus start/running, process 24551
dpkg --configure bluez

==== 非root用户不能使用网络 ====
编辑/etc/group，并添加以下代码：
inet:x:3003:root
net_raw:x:3004:root
然后运行
gpasswd -a username inet

[[Category: Distributions]]
[[Category: Tutorial]]
[[Category: Ubuntu]]

@@ Line 12: / Line 12: @@
      sudo mv binary/* .
      sudo rmdir binary
-拷贝你之前[[rock/Booting_Linux | 编译内核]]的内核模块
+拷贝你之前[[rock/Booting_Linux/zh cn | 编译内核]]的内核模块
      sudo mkdir -p /mnt/lib/modules
      sudo cp -r /path/to/rockchip-3.0/modules/lib/modules/3.0.36+ /mnt/lib/modules
 === 准备 chroot ===
      sudo cp /usr/bin/qemu-arm-static /mnt/usr/bin

Rock/ubuntu/zh cn - Revision history

Buyadong: /* 生成镜像文件 */

Buyadong: Created page with "=== 安装所需要的包 === sudo apt-get install qemu-user-static binfmt-support === 生成镜像文件 === dd if=/dev/zero of=rock_rootfs.img bs=1M count=1024 ..."