2023-09-25 18:26:18 +08:00
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#cloud-config
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# CLOUD_IMG: This file was created/modified by the Cloud Image build process
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# https://cloudinit.readthedocs.io/en/22.1_a/
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2023-09-28 19:04:15 +08:00
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datasource_list: [NoCloud]
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2023-09-25 18:26:18 +08:00
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# configure localization
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locale: en_US.UTF-8
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# configure timezone
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timezone: TimeZone
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# configure root user
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2023-09-28 19:04:15 +08:00
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disable_root: false
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ssh_pwauth: true
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2023-09-25 18:26:18 +08:00
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users:
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- name: root
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lock_passwd: false
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shell: /bin/bash
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chpasswd:
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expire: false
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list: |
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root:tmpWORD
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users:
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- name: root
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password: tmpWORD
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type: text
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# Despite cloud-init 22.1-9 supports version 2 of network configurations but the "renderers:" doesn't support "network-manager".
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# https://cloudinit.readthedocs.io/en/22.1_a/topics/network-config.html#network-output-policy
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system_info:
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network:
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renderers: ['sysconfig']
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# The gateway of network for cloud-init 22.1-9 must be "gateway4"(for IPv4) or "gateway6"(for IPv6).
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network:
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version: 2
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ethernets:
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networkAdapter:
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dhcp6: false
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addresses: [ip6Addr/ip6Mask]
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gateway6: ip6Gate
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nameservers:
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addresses: [ip6DNS1, ip6DNS2]
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# later commands
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runcmd:
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- sed -ri 's/^#?Port.*/Port sshPORT/g' /etc/ssh/sshd_config
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- sed -ri 's/^#?PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config
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- sed -ri 's/^#?PasswordAuthentication.*/PasswordAuthentication yes/g' /etc/ssh/sshd_config
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- systemctl enable sshd
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- ssh-keygen -A
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- systemctl restart sshd
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- sed -i '6i \ \ <port port="sshPORT" protocol="tcp"/>' /etc/firewalld/zones/public.xml
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- sed -i '7i \ \ <port port="sshPORT" protocol="udp"/>' /etc/firewalld/zones/public.xml
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- systemctl enable firewalld
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- firewall-cmd --reload
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- systemctl stop kdump
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- systemctl disable kdump
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- hostnamectl set-hostname HostName
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2023-09-26 21:19:30 +08:00
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- fallocate -l 512M /swapspace
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- chmod 600 /swapspace
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- mkswap /swapspace
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- swapon /swapspace
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- echo '/swapspace none swap sw 0 0' >> /etc/fstab
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2023-09-25 18:26:18 +08:00
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- yum install dnf epel-release -y
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- dnf install curl dnsutils fail2ban file lrzsz net-tools vim wget -y
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- sed -i '/^\[Definition\]/a allowipv6 = auto' /etc/fail2ban/fail2ban.conf
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- sed -ri 's/^backend = auto/backend = systemd/g' /etc/fail2ban/jail.conf
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- systemctl enable fail2ban
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- systemctl restart fail2ban
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2023-09-26 21:19:30 +08:00
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- grub2-mkconfig
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2023-09-25 18:26:18 +08:00
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- rm -rf /etc/cloud/cloud.cfg.d/99-fake_cloud.cfg
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- touch /etc/cloud/cloud-init.disabled
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