Raspberry Piでネットワーク構築/PXEブート
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概要
- https://www.raspberrypi.com/documentation/computers/remote-access.html#network-boot-your-raspberry-pi
- https://debian-handbook.info/browse/buster/sect.nfs-file-server.html
設定
シリアル
$ cat /proc/cpuinfo | grep Serial
ネットワークブート
Raspberry Pi 4 Model B
$ sudo raspi-config Advanced Options -> Boot Order -> Network Boot
$ vcgencmd bootloader_config | grep BOOT_ORDER BOOT_ORDER=0xf21
Raspberry Pi 3 Model B
$ vcgencmd otp_dump | grep 17: 17:3020000a
TFTPサーバ
- /etc/dnsmasq.conf
pxe-service=0,"Raspberry Pi Boot" enable-tftp tftp-root=/tftpboot
$ sudo cp -r /boot/* /tftpboot
- /tftpboot/cmdline.txt
console=serial0,115200 console=tty1 root=/dev/nfs nfsroot=192.168.0.1:/nfsroot/raspberrypi,vers=4.1,proto=tcp rw ip=dhcp rootwait
NFSサーバ
- /etc/exports
/nfsroot/raspberrypi 192.168.0.0/24(rw,sync,no_subtree_check,no_root_squash) /tftpboot 192.168.0.0/24(rw,sync,no_subtree_check,no_root_squash)
- /nfsroot/raspberrypi/etc/fstab
192.168.0.1:/tftpboot /boot nfs defaults,vers=4.1,proto=tcp 0 0