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86 lines
3.2 KiB
INI
86 lines
3.2 KiB
INI
#cloud-config
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# CLOUD_IMG: This file was created/modified by the Cloud Image build process
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# configure cloud-init for NoCloud
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datasource_list: [ NoCloud, None ]
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# configure repository
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system_info:
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package_mirrors:
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- arches: [i386, amd64]
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failsafe:
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primary: http://targetLinuxMirror/ubuntu
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security: http://targetLinuxSecurityMirror/ubuntu
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- arches: [arm64, armel, armhf]
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failsafe:
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primary: http://targetLinuxMirror/ubuntu-ports
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security: http://targetLinuxSecurityMirror/ubuntu-ports
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# configure hostname
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hostname: HostName
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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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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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# configure network
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# Adding "on-link: true" for each routes is recommended for the "routes(gateway)" menu in network config file of netplan otherwise netplan will calculate whether the gateway is in range of IP/prefix, if not, the network can't work normally.
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# Despite adding "on-link: true" is only necessary for the situation of irregular IPv4 configs(public IPv4 address with the a private IPv4 gateway or gateway is also a public address but from A class is different from the former),
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# this setting won't affect the normal IPv4 configurations.
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# So in order to considering the most general availability of the various complex environments of the networkings, we should add "on-link" in all items which need to be configurated manually cloud-init files.
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# Reference: https://netplan.readthedocs.io/en/latest/netplan-yaml/#default-routes
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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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dhcp4: false
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addresses: [IPv4/ipPrefix]
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routes:
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- to: default
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via: GATE
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on-link: true
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nameservers:
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addresses: [ipDNS1, ipDNS2]
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# later commands
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# Enable sshd service at booting and restart the service.
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# Disable kernel need to restart: https://askubuntu.com/questions/1349884/how-to-disable-pending-kernel-upgrade-message
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# Install some common components.
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# Configure vim for more convenient to use.
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# Rename netplan config file.
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# Configure fail2ban.
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# Delete cloud-init config file itself and disable it permanently after first execution.
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runcmd:
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- update-rc.d ssh enable
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- /etc/init.d/ssh restart
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- sed -i 's/#$nrconf{restart} = '"'"'i'"'"';/$nrconf{restart} = '"'"'a'"'"';/g' /etc/needrestart/needrestart.conf
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- sed -i "s/#\$nrconf{kernelhints} = -1;/\$nrconf{kernelhints} = -1;/g" /etc/needrestart/needrestart.conf
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- apt update
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- apt install dnsutils fail2ban file lrzsz net-tools vim wget -y
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- sed -ri 's/set compatible/set nocompatible/g' /etc/vim/vimrc.tiny
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- sed -ri '/set nocompatible/a\set backspace=2' /etc/vim/vimrc.tiny
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- mv /etc/netplan/50-cloud-init.yaml /etc/netplan/20-netcfg.yaml
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- netplan apply
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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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- update-rc.d fail2ban enable
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- /etc/init.d/fail2ban restart
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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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