参考
- Running CoreOS on VMware
- CoreOSのSSHポートを変更する - Qiita
- CoreOS で Docker をはじめる - Qiita
- CoreOSにscreenをインストールする君作った - Qiita
インストール手順
読み込み
sudo -s
passwd core
ip addr add 10.0.2.15/24 dev ens192
ip route add default via 10.0.2.1
echo "nameserver 8.8.8.8" > /etc/resolv.conf
wget http://192.168.100.70/cloud-config.yml
coreos-cloudinit -validate=true -from-file=cloud-config.yml
#coreos-install -d /dev/sda -C stable -c cloud-config.yml
coreos-install -d /dev/sda -C alpha -V 1081.2.0 -c cloud-config.yml
reboot
cloud-config.yml
特徴
- 自動再起動をOFF
- docker起動
- TimezoneをAsia/Tokyo
- sshdのポートを22から変更
- toolboxの初期設定
- screenのインストールコマンド設置
userのパスワード文字列生成
$ openssl passwd -salt coreos -1 fjpoaeifji
$1$coreos$5tow1kTF0qjJ0qi.G8N9/1
cloud-config.yml
#cloud-config
hostname: coreos01
#-----------
coreos:
#-----------
#update:
# disable auto update.
#reboot-strategy: off
units:
- name: 10-static.network
runtime: no
content: |
[Match]
Name=eth*
[Network]
Address=192.168.100.202/24
Gateway=192.168.100.1
DNS=8.8.8.8
# set timezone Asia/Tokyo.
- name: timezone.service
command: start
content: |
[Unit]
Description=timezone
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/ln -sf ../usr/share/zoneinfo/Japan /etc/localtime
# change ssh listen port.
- name: sshd.socket
command: start
content: |
[Socket]
#ListenStream=22
ListenStream=9100
Accept=yes
#-----------
users:
#-----------
- name: core
passwd: $1$coreos$5tow1kTF0qjJ0qi.G8N9/1
ssh-authorized-keys:
- ssh-rsa ... osx/id_rsa
- groups:
- sudo
- docker
#-----------
write_files:
#-----------
- path: /etc/ssh/sshd_config
permissions: 0600
owner: root:root
content: |
# Use most defaults for sshd configuration.
UsePrivilegeSeparation sandbox
Subsystem sftp internal-sftp
ClientAliveInterval 180
#
PermitRootLogin no
MaxAuthTries 1
PasswordAuthentication no
ChallengeResponseAuthentication no
AllowUsers core
# toolbox
- path: /home/core/.toolbox
permissions: 0644
owner: core:core
content: |
TOOLBOX_DOCKER_IMAGE=ubuntu
TOOLBOX_DOCKER_TAG=latest
# custom .bash_profile
- path: /home/core/.bash_profile
permissions: 0644
owner: core:core
content: |
alias toolbox='toolbox --bind=/run:/run'
alias t='toolbox --bind=/run:/run'
# update cloud-config.yml
- path: /home/core/update-cloud-config.sh
permissions: 0700
owner: core:core
content: |
sudo coreos-cloudinit --from-url=http://192.168.100.70:8000/cloud-config.yml
# install screen command
- path: /home/core/install_screen.sh
permissions: 0700
owner: core:core
content: |
sudo wget -q https://raw.githubusercontent.com/tukiyo/coreos-screen.run/master/screen.run -O /usr/share/oem/screen.run
sudo sh /usr/share/oem/screen.run