文章目录
Ubuntu20.04搭建嵌入式linux网络加载内核、设备树和根文件系统
TFTP服务搭建
shell
sudo apt install tftpd-hpa
sudo mkdir /srv/tftp
sudo chmod -R 755 /srv/tftp
sudo vim /etc/default/tftpd-hpa #修改配置文件
TFTPROOT="/srv/tftp"
sudo systemctl restart tftpd-hpa测试
shell
tftp localhost
tftp> get filename
tftp> quit
shell
tftp localhost
tftp> put filename
tftp> quitNFS服务搭建
shell
sudo apt install nfs-kernel-server rpcbind
sudo mkdir /srv/nfs
sudo vim /etc/exports #修改配置文件
/srv/nfs *(rw,sync,no_root_squash)
sudo /etc/init.d/nfs-kernel-server restart测试
shell
sudo mount -t nfs 192.168.8.9:/srv/nfs /mnt/nfsuboot配置
shell
setenv bootcmd 'tftp 80800000 zImage; tftp 83000000 xx.dtb;bootz 80800000 - 83000000'
setenv bootargs 'console=tty1 console=ttymxc0,115200 root=/dev/nfs nfsroot=192.168.8.8:/srv/nfs,proto=tcp rw ip=192.168.8.9:192.168.8.8:192.168.8.1:255.255.255.0::eth0:off'
setenv ethaddr b8:ae:1d:01:00:00
setenv gatewayip 192.168.8.1
setenv netmask 255.255.255.0
setenv serverip 192.168.8.8
setenv ipaddr 192.168.8.9
saveenv
reset外链图片转存中...(img-KgXf3w9o-1720489002326)\]# Ubuntu20.04搭建嵌入式linux网络加载内核、设备树和根文件系统 ## TFTP服务搭建 ```shell sudo apt install tftpd-hpa sudo mkdir /srv/tftp sudo chmod -R 755 /srv/tftp sudo vim /etc/default/tftpd-hpa #修改配置文件 TFTPROOT="/srv/tftp" sudo systemctl restart tftpd-hpa ``` ### 测试 ```shell tftp localhost tftp> get filename tftp> quit ``` ```shell tftp localhost tftp> put filename tftp> quit ``` ## NFS服务搭建 ```shell sudo apt install nfs-kernel-server rpcbind sudo mkdir /srv/nfs sudo vim /etc/exports #修改配置文件 /srv/nfs *(rw,sync,no_root_squash) sudo /etc/init.d/nfs-kernel-server restart ``` ### 测试 ```shell sudo mount -t nfs 192.168.8.9:/srv/nfs /mnt/nfs ``` ## U-BOOT配置 ```shell setenv bootcmd 'tftp 80800000 zImage; tftp 83000000 xx.dtb;bootz 80800000 - 83000000' setenv bootargs 'console=tty1 console=ttymxc0,115200 root=/dev/nfs nfsroot=192.168.8.8:/srv/nfs,proto=tcp rw ip=192.168.8.9:192.168.8.8:192.168.8.1:255.255.255.0::eth0:off' setenv ethaddr b8:ae:1d:01:00:00 setenv gatewayip 192.168.8.1 setenv netmask 255.255.255.0 setenv serverip 192.168.8.8 setenv ipaddr 192.168.8.9 saveenv reset ``` 