嵌入式linux基本开发环境搭建

Click on Settings

Open the Updates Tab

Set ‘Release upgrade‘ to ‘Never‘. That makes the option to upgrade to Karmic go away.

Close the settings dialog box.

Click on ‘Check‘ to check for upgraded packages. It will look for packages that are upgraded from the version that is installed on your box.

Choose to install the upgrades. This will take a while on a freshly installed box.

1. 安装TFTP服务器及客户端（tftp-hpa是客户端,tftpd-hpa是服务器端）

sudo apt-get install tftp-hpa tftpd-hpa

1. 配制TFTP服务器，编辑/etc/default/tftpd-hpa,修改后的内容如下：

# /etc/default/tftpd-hpa

TFTP_USERNAME="tftp"

TFTP_DIRECTORY="/tftpboot"

TFTP_ADDRESS="0.0.0.0:69"

TFTP_OPTIONS="-l -c -s"

1. 创建TFTP目录并重启TFTP服务

sudo mkdir /tftpboot

sudo chmod 777 /tftpboot

sudo service tftpd-hpa restart

1. 测试

$tftp tftp服务器地址

>get 文件名（取文件）

>put 文件名（发送文件）

>quit (退出)

1. U-boot参数
   set bootcmd tftpboot $loadkernaddr image_dir/zImage\; bootm loadkernaddr

例子：set bootcmd tftpboot c0008000 192.168.1.10:kernel.img\; bootm c0008000

1. 安装NFS服务器
   sudo apt-get install nfs-kernel-server
2. 配制/etc/exports
   /rootfs *(rw,sync,no_root_squash)
3. 重启NFS服务
   sudo /etc/init.d/portmap restart
   sudo /etc/ini.d/nfs-kernel-server restart
4. 显示NFS共享目录
   showmount –e
   挂载和卸载NFS目录
   sudo mount -t nfs NFS服务器地址:/rootfs /mnt
   sudo umount /mnt
5. U-boot参数
   setenv
   bootargs "root=/dev/nfs rw nfsroot=$serverip:$rootpath
   ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off
   init=/init console=ttySAC2,115200"
   例：
   setenv
   bootargs "root=/dev/nfs rw nfsroot=192.168.1.10:/nfsboot/rootfs
   ip=192.168.1.199:192.168.1.10:192.168.1.1:255.255.255.0::eth0:off
   init=/linuxrc console=ttySAC1,115200"

配制samba用户和共享目录

sudo /etc/init.d/smbd restart