PXEチャレンジ
ぼくだってOSのブートについて完全に理解してPXEブートでイケイケになりたい
環境
- Network: 192.168.1.0/24
- DHCP Server: 192.168.1.1
- ブロードバンドルーター
- DHCP Range: 192.168.1.2-192.168.1.49
- ブロードバンドルーターで設定
- proxy-DHCP Server: 192.168.1.50
- dnsmasqで実装
- TFTP Server: 192.168.1.50
- dnsmasqで実装
- PXEクライアント: NUC6i5SYH (Intel NUC)
構成
captain@ubuntu:~/develop$ tree
.
├── dnsmasq
│ ├── dnsmasq.conf
│ └── Dockerfile
├── docker-compose.yaml
├── Makefile
├── pxeboot
│ ├── autoinstall
│ │ ├── meta-data
│ │ └── user-data
│ └── ubuntu-20.04.3-live-server-amd64.iso
├── README.md
└── tftpboot
├── initrd
├── ldlinux.c32
├── libcom32.c32
├── libutil.c32
├── pxelinux.0
├── pxelinux.cfg
│ └── default
└── vmlinuz作業ログ
# ディレクトリ堀り
captain@ubuntu:~/develop$ mkdir -p tftpboot/pxelinux.cfg
captain@ubuntu:~/develop$ mkdir -p pxeboot/autoinstall
# ISOをDLして格納
captain@ubuntu:~/develop$ wget https://releases.ubuntu.com/20.04/ubuntu-20.04.3-live-server-amd64.iso
captain@ubuntu:~/develop$ mv ubuntu-20.04.3-live-server-amd64.iso pxeboot/
# ISOからカーネル(?)を引っ張り出してTFTPで配布できるように設定
captain@ubuntu:~/develop$ sudo mount -t iso9660 -o loop pxeboot/ubuntu-20.04.3-live-server-amd64.iso /mnt
captain@ubuntu:~/develop$ sudo cp /mnt/casper/{vmlinuz,initrd} tftpboot/
captain@ubuntu:~/develop$ sudo umount /mnt
# 必要そうなモジュールたちをDLしてTFTPで配布できるように設定
captain@ubuntu:~/develop$ wget http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/pxelinux.0
captain@ubuntu:~/develop$ wget http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/boot-screens/ldlinux.c32
captain@ubuntu:~/develop$ wget http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/boot-screens/libcom32.c32
captain@ubuntu:~/develop$ wget http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/boot-screens/libutil.c32
captain@ubuntu:~/develop$ mv ./{pxelinux.0,ldlinux.c32,libcom32.c32,libutil.c32} tftpboot/
# コンテナ作成
captain@ubuntu:~/develop$ make dnsmasq
# dnsmasqとnginxを起動
captain@ubuntu:~/develop$ docker-compose up
dhcp_1 | dnsmasq: started, version 2.80 DNS disabled
dhcp_1 | dnsmasq: compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset auth nettlehash DNSSEC loop-detect inotify dumpfile
dhcp_1 | dnsmasq-dhcp: DHCP, proxy on subnet 192.168.1.0
dhcp_1 | dnsmasq-tftp: TFTP root is /tftpboot
...
# Clientノードスタート、Start PXE...
dhcp_1 | dnsmasq: started, version 2.80 DNS disabled
dhcp_1 | dnsmasq: compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset auth nettlehash DNSSEC loop-detect inotify dumpfile
dhcp_1 | dnsmasq-dhcp: DHCP, proxy on subnet 192.168.1.0
dhcp_1 | dnsmasq-tftp: TFTP root is /tftpboot
dhcp_1 | dnsmasq-dhcp: 811623529 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 811623529 vendor class: PXEClient:Arch:00000:UNDI:002001
dhcp_1 | dnsmasq-dhcp: 811623529 PXE(eno1) f4:4d:... proxy
dhcp_1 | dnsmasq-dhcp: 811623529 tags: eno1
dhcp_1 | dnsmasq-dhcp: 811623529 bootfile name: pxelinux.0
dhcp_1 | dnsmasq-dhcp: 811623529 broadcast response
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 1 option: 53 message-type 2
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 4 option: 54 server-identifier 192.168.1.50
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 9 option: 60 vendor-class 50:58:...
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 17 option: 97 client-machine-id 00:58:...
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 36 option: 43 vendor-encap 06:01:...
dhcp_1 | dnsmasq-dhcp: 811623529 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 811623529 vendor class: PXEClient:Arch:00000:UNDI:002001
dhcp_1 | dnsmasq-dhcp: 811623529 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 811623529 vendor class: PXEClient:Arch:00000:UNDI:002001
dhcp_1 | dnsmasq-dhcp: 811623529 PXE(eno1) 192.168.1.14 f4:4d:... pxelinux.0
dhcp_1 | dnsmasq-dhcp: 811623529 tags: eno1
dhcp_1 | dnsmasq-dhcp: 811623529 bootfile name: pxelinux.0
dhcp_1 | dnsmasq-dhcp: 811623529 next server: 192.168.1.50
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 1 option: 53 message-type 5
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 4 option: 54 server-identifier 192.168.1.50
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 9 option: 60 vendor-class 50:58:...
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 17 option: 97 client-machine-id 00:58:...
dhcp_1 | dnsmasq-dhcp: 811623529 sent size: 7 option: 43 vendor-encap 47:04:...
dhcp_1 | dnsmasq-tftp: error 0 TFTP Aborted received from 192.168.1.14
dhcp_1 | dnsmasq-tftp: failed sending /tftpboot/pxelinux.0 to 192.168.1.14
dhcp_1 | dnsmasq-tftp: sent /tftpboot/pxelinux.0 to 192.168.1.14
dhcp_1 | dnsmasq-tftp: sent /tftpboot/ldlinux.c32 to 192.168.1.14
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/58b41815-581e-c62a-d4e2-f44d30606469 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/01-f4-4d-30-60-64-69 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A8010E not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A8010 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A801 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A80 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A8 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0A not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C0 not found
dhcp_1 | dnsmasq-tftp: file /tftpboot/pxelinux.cfg/C not found
dhcp_1 | dnsmasq-tftp: sent /tftpboot/pxelinux.cfg/default to 192.168.1.14
dhcp_1 | dnsmasq-tftp: sent /tftpboot/vmlinuz to 192.168.1.14
dhcp_1 | dnsmasq-tftp: sent /tftpboot/initrd to 192.168.1.14
dhcp_1 | dnsmasq-dhcp: 1785943612 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 3506991687 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 3506991687 available DHCP subnet: 192.168.1.0/255.255.255.0
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:31:59 +0000] "GET /pxeboot/ubuntu-20.04.3-live-server-amd64.iso HTTP/1.1" 200 1261371392 "-" "Wget" "-"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:26 +0000] "GET /pxeboot/ubuntu-20.04.3-live-server-amd64.iso HTTP/1.1" 200 1261371392 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
dhcp_1 | dnsmasq-dhcp: 348588572 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 348588572 client provides name: ubuntu-server
dhcp_1 | dnsmasq-dhcp: 348588572 available DHCP subnet: 192.168.1.0/255.255.255.0
dhcp_1 | dnsmasq-dhcp: 348588572 client provides name: ubuntu-server
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:41 +0000] "GET /pxeboot/ubuntu-20.04.3-live-server-amd64.iso HTTP/1.1" 200 1261371392 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:42 +0000] "GET /pxeboot/autoinstall/meta-data HTTP/1.1" 200 0 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:42 +0000] "GET /pxeboot/autoinstall/user-data HTTP/1.1" 200 369 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 2022/02/20 03:32:42 [error] 24#24: *6 open() "/usr/share/nginx/html/pxeboot/autoinstall/vendor-data" failed (2: No such file or directory), client: 192.168.1.14, server: localhost, request: "GET /pxeboot/autoinstall/vendor-data HTTP/1.1", host: "192.168.1.50"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:42 +0000] "GET /pxeboot/autoinstall/vendor-data HTTP/1.1" 404 153 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 2022/02/20 03:32:43 [error] 24#24: *7 open() "/usr/share/nginx/html/pxeboot/autoinstall/vendor-data" failed (2: No such file or directory), client: 192.168.1.14, server: localhost, request: "GET /pxeboot/autoinstall/vendor-data HTTP/1.1", host: "192.168.1.50"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:43 +0000] "GET /pxeboot/autoinstall/vendor-data HTTP/1.1" 404 153 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 2022/02/20 03:32:44 [error] 24#24: *8 open() "/usr/share/nginx/html/pxeboot/autoinstall/vendor-data" failed (2: No such file or directory), client: 192.168.1.14, server: localhost, request: "GET /pxeboot/autoinstall/vendor-data HTTP/1.1", host: "192.168.1.50"
nginx_1 | 192.168.1.14 - - [20/Feb/2022:03:32:44 +0000] "GET /pxeboot/autoinstall/vendor-data HTTP/1.1" 404 153 "-" "Cloud-Init/21.2-3-g899bfaa9-0ubuntu2~20.04.1" "-"
nginx_1 | 2022/02/20 03:32:45 [error] 24#24: *9 open() "/usr/share/nginx/html/pxeboot/autoinstall/vendor-data" failed (2: No such file or directory), client: 192.168.1.14, server: localhost, request: "GET /pxeboot/autoinstall/vendor-data HTTP/1.1", host: "192.168.1.50"
...
# Client側でUbuntuのインストール画面が出てくる