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30 lines
805 B
Bash
30 lines
805 B
Bash
#!/bin/sh
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set -eux
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# shellcheck disable=SC2230
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which sudo || until \
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apt-get update -y && \
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apt-get install sudo -yf --install-suggests; do
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sleep 3
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done
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getent passwd algo || useradd -m -d /home/algo -s /bin/bash -G adm -p '!' algo
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(umask 337 && echo "algo ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/10-algo-user)
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cat <<EOF >/etc/ssh/sshd_config
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{{ lookup('template', 'files/cloud-init/sshd_config') }}
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EOF
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test -d /home/algo/.ssh || sudo -u algo mkdir -m 0700 /home/algo/.ssh
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echo "{{ lookup('file', '{{ SSH_keys.public }}') }}" | (sudo -u algo tee /home/algo/.ssh/authorized_keys && chmod 0600 /home/algo/.ssh/authorized_keys)
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ufw --force reset
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# shellcheck disable=SC2015
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dpkg -l sshguard && until apt-get remove -y --purge sshguard; do
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sleep 3
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done || true
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systemctl restart sshd.service
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