examples
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1c56f09ddb
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@ -65,129 +65,3 @@ htop
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%post
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# Add arbitrary shell code to execute in the installer environment below here
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# Ubuntu user
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useradd --create-home --groups sudo --shell /bin/bash ubuntu
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echo "ubuntu:ubuntu" | chpasswd
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touch /home/ubuntu/.sudo_as_admin_successful
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# First time startup script
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cat <<"EOF" > /usr/local/sbin/vm-firstboot.sh
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#!/bin/bash
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set +x
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sed -i -E "s/^#?PermitRootLogin .+/PermitRootLogin yes/" /etc/ssh/sshd_config
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apt-get update
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apt-get dist-upgrade -y
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apt-get install -y open-vm-tools dirmngr
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rm /etc/firstboot
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reboot
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EOF
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chmod +x /usr/local/sbin/vm-firstboot.sh
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# and systemd unit to call it
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cat <<"EOF" > /etc/systemd/system/vm-firstboot.service
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[Unit]
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Description=Initialize this template-created VM
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ConditionPathExists=/etc/firstboot
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[Service]
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Type=oneshot
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ExecStart=/usr/local/sbin/vm-firstboot.sh
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/vm-firstboot.service /etc/systemd/system/multi-user.target.wants/vm-firstboot.service
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touch /etc/firstboot
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# Template cleanup helper script
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cat <<"EOF" > /usr/local/sbin/vm-clean.sh
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#!/bin/bash
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touch /etc/firstboot
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rm -f /etc/ssh/*key*
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rm -f /etc/machine-id
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EOF
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chmod +x /usr/local/sbin/vm-clean.sh
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# First boot ssh key regen
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cat <<"EOF" > /lib/systemd/system/ssh.service
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[Unit]
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Description=OpenBSD Secure Shell server
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After=network.target auditd.service
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ConditionPathExists=!/etc/ssh/sshd_not_to_be_run
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[Service]
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EnvironmentFile=-/etc/default/ssh
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ExecStartPre=/bin/bash -c "test -f /etc/ssh/ssh_host_rsa_key || ssh-keygen -A"
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ExecStartPre=/usr/sbin/sshd -t
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ExecStart=/usr/sbin/sshd -D $SSHD_OPTS
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ExecReload=/usr/sbin/sshd -t
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ExecReload=/bin/kill -HUP $MAINPID
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KillMode=process
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Restart=on-failure
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RestartPreventExitStatus=255
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Type=notify
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RuntimeDirectory=sshd
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RuntimeDirectoryMode=0755
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[Install]
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WantedBy=multi-user.target
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Alias=sshd.service
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EOF
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# First boot machine uuidgen
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cat <<"EOF" > /etc/systemd/system/machineidgen.service
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[Unit]
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Description=Regen machine-id on first boot
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Before=systemd-networkd.service systemd-journald.service
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After=local-fs.target
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ConditionPathExists=!/etc/machine-id
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[Service]
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Type=oneshot
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ExecStart=/bin/systemd-machine-id-setup
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/machineidgen.service /etc/systemd/system/multi-user.target.wants/machineidgen.service
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rm /etc/machine-id
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# Show IP address on console
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cp /etc/issue /etc/issue.tpl
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cat <<"EOF" > /usr/local/sbin/console-set-ip.sh
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#!/bin/bash
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cat /etc/issue.tpl > /etc/issue
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(ip addr | grep inet | awk '{print $2}' | grep -vE '^(::|fe80|127\.0\.0)') 2>&1 >> /etc/issue
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echo "" >> /etc/issue
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EOF
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chmod +x /usr/local/sbin/console-set-ip.sh
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cat <<"EOF" > /etc/systemd/system/consoleip.service
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[Unit]
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Description=Display machine ip on console
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After=network.target
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[Service]
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Type=oneshot
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ExecStart=/usr/local/sbin/console-set-ip.sh
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/consoleip.service /etc/systemd/system/multi-user.target.wants/consoleip.service
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rm -f /etc/update-motd.d/50-motd-news /etc/update-motd.d/80-livepatch
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@ -0,0 +1 @@
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Install suitable for a cloneable vm image template. Resets instance-specific items such as host keys on first boot. Includes cleanup tools.
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@ -0,0 +1,193 @@
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#System language
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lang en_US
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#Language modules to install
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langsupport en_US
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#System keyboard
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keyboard us
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#System mouse
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mouse
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#System timezone
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timezone America/Los_Angeles
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#Root password
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rootpw ubuntu
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#Initial user
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user --disabled
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#Reboot after installation
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reboot
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#Use text mode install
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text
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#Install OS instead of upgrade
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install
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#Use CDROM installation media
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cdrom
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#System bootloader configuration
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bootloader --location=mbr
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#Clear the Master Boot Record
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zerombr yes
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#Partition clearing information
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clearpart --all --initlabel
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#Disk partitioning information
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part /boot --fstype ext2 --size=500
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part pv.01 --size=1 --grow
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volgroup vg_root pv.01
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logvol / --vgname=vg_root --name=lv_root --size 1 --grow
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#System authorization infomation
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auth --useshadow --enablemd5
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#Network information
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network --bootproto=dhcp --device=eth0
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#Firewall configuration
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firewall --disabled
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#Do not configure the X Window System
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skipx
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%packages
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openssh-server
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vim
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htop
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%post
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# Add arbitrary shell code to execute in the installer environment below here
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# Ubuntu user
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useradd --create-home --groups sudo --shell /bin/bash ubuntu
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echo "ubuntu:ubuntu" | chpasswd
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touch /home/ubuntu/.sudo_as_admin_successful
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# First time startup script
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cat <<"EOF" > /usr/local/sbin/vm-firstboot.sh
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#!/bin/bash
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set +x
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sed -i -E "s/^#?PermitRootLogin .+/PermitRootLogin yes/" /etc/ssh/sshd_config
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apt-get update
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apt-get dist-upgrade -y
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apt-get install -y open-vm-tools dirmngr
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rm -f /etc/firstboot /root/.bash_history /home/ubuntu/.bash_history
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reboot
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EOF
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chmod +x /usr/local/sbin/vm-firstboot.sh
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# and systemd unit to call it
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cat <<"EOF" > /etc/systemd/system/vm-firstboot.service
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[Unit]
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Description=Initialize this template-created VM
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ConditionPathExists=/etc/firstboot
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[Service]
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Type=oneshot
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ExecStart=/usr/local/sbin/vm-firstboot.sh
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/vm-firstboot.service /etc/systemd/system/multi-user.target.wants/vm-firstboot.service
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touch /etc/firstboot
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# Template cleanup helper script
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cat <<"EOF" > /usr/local/sbin/vm-clean.sh
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#!/bin/bash
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touch /etc/firstboot
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rm -f /etc/ssh/*key*
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rm -f /etc/machine-id
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EOF
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chmod +x /usr/local/sbin/vm-clean.sh
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# First boot ssh key regen
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cat <<"EOF" > /lib/systemd/system/ssh.service
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[Unit]
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Description=OpenBSD Secure Shell server
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After=network.target auditd.service
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ConditionPathExists=!/etc/ssh/sshd_not_to_be_run
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[Service]
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EnvironmentFile=-/etc/default/ssh
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ExecStartPre=/bin/bash -c "test -f /etc/ssh/ssh_host_rsa_key || ssh-keygen -A"
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ExecStartPre=/usr/sbin/sshd -t
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ExecStart=/usr/sbin/sshd -D $SSHD_OPTS
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ExecReload=/usr/sbin/sshd -t
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ExecReload=/bin/kill -HUP $MAINPID
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KillMode=process
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Restart=on-failure
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RestartPreventExitStatus=255
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Type=notify
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RuntimeDirectory=sshd
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RuntimeDirectoryMode=0755
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[Install]
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WantedBy=multi-user.target
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Alias=sshd.service
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EOF
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# First boot machine uuidgen
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cat <<"EOF" > /etc/systemd/system/machineidgen.service
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[Unit]
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Description=Regen machine-id on first boot
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Before=systemd-networkd.service systemd-journald.service
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After=local-fs.target
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ConditionPathExists=!/etc/machine-id
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[Service]
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Type=oneshot
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ExecStart=/bin/systemd-machine-id-setup
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/machineidgen.service /etc/systemd/system/multi-user.target.wants/machineidgen.service
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rm /etc/machine-id
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# Show IP address on console
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cp /etc/issue /etc/issue.tpl
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cat <<"EOF" > /usr/local/sbin/console-set-ip.sh
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#!/bin/bash
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cat /etc/issue.tpl > /etc/issue
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(ip addr | grep inet | awk '{print $2}' | grep -vE '^(::|fe80|127\.0\.0)') 2>&1 >> /etc/issue
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echo "" >> /etc/issue
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EOF
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chmod +x /usr/local/sbin/console-set-ip.sh
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cat <<"EOF" > /etc/systemd/system/consoleip.service
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[Unit]
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Description=Display machine ip on console
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After=network.target
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[Service]
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Type=oneshot
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ExecStart=/usr/local/sbin/console-set-ip.sh
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[Install]
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WantedBy=multi-user.target
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EOF
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ln -s /etc/systemd/system/consoleip.service /etc/systemd/system/multi-user.target.wants/consoleip.service
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rm -f /etc/update-motd.d/50-motd-news /etc/update-motd.d/80-livepatch
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default install
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label install
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menu label ^Manual install
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kernel /install/vmlinuz
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append file=/cdrom/preseed/ubuntu-server.seed vga=788 initrd=/install/initrd.gz quiet --
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label on_disk_kickstart
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menu label ^Install from kickstart + seed
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kernel /install/vmlinuz
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append initrd=/install/initrd.gz ks=cdrom:/ks.cfg file=/cdrom/preseed/custom.seed --
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label custom_seed
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menu label ^Custom seed
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kernel /install/vmlinuz
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append initrd=/install/initrd.gz file=/cdrom/preseed/custom.seed --
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label minimal_vm
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menu label ^Minimal VM
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kernel /install/vmlinuz
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append initrd=/install/initrd.gz file=/cdrom/preseed/ubuntu-server-minimalvm.seed --
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label memtest
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menu label Test ^memory
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kernel /install/mt86plus
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# Always install the virtual kernel.
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d-i base-installer/kernel/override-image string linux-virtual
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# Don't even install the standard task.
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tasksel tasksel/skip-tasks string standard
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# Only install basic language packs. Let tasksel ask about tasks.
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d-i pkgsel/language-pack-patterns string
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# No language support packages.
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d-i pkgsel/install-language-support boolean false
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# Only ask the UTC question if there are other operating systems installed.
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d-i clock-setup/utc-auto boolean true
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# Use UTC time
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d-i time/zone string UTC
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# Verbose output and no boot splash screen.
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d-i debian-installer/quiet boolean false
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d-i debian-installer/splash boolean false
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# Install the debconf oem-config frontend (if in OEM mode).
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d-i oem-config-udeb/frontend string debconf
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# Wait for two seconds in grub
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d-i grub-installer/timeout string 2
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# Add the network and tasks oem-config steps by default.
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oem-config oem-config/steps multiselect language, timezone, keyboard, user, network, tasks
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# Overwrite/remove existing LVMs
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d-i partman-lvm/confirm_nooverwrite boolean true
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d-i partman-lvm/device_remove_lvm boolean true
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d-i partman-lvm/confirm boolean true
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# Bypass no swap warning
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d-i partman-basicfilesystems/no_swap boolean false
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# dont wait a long time for dhcp
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d-i netcfg/dhcp_timeout string 8
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d-i netcfg/dhcpv6_timeout string 8
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# Allow weak passwords in installer
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d-i user-setup/allow-password-weak boolean true
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