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32 lines
928 B
Bash
Executable File
32 lines
928 B
Bash
Executable File
source setup/functions.sh # load our functions
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# Base system configuration.
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apt-get -qq update
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apt-get -qq -y upgrade
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# Install basic utilities.
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apt_install python3 wget curl bind9-host
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# Turn on basic services:
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#
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# ntp: keeps the system time correct
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#
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# fail2ban: scans log files for repeated failed login attempts and blocks the remote IP at the firewall
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#
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# These services don't need further configuration and are started immediately after installation.
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apt_install ntp fail2ban
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if [ -z "$DISABLE_FIREWALL" ]; then
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# Turn on the firewall. First allow incoming SSH, then turn on the firewall.
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# Other ports will be opened at the point where we set up those services.
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#
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# Various virtualized environments like Docker and some VPSs don't provide
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# a kernel that supports iptables. To avoid error-like output in these cases,
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# let us disable the firewall.
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apt_install ufw
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ufw_allow ssh;
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ufw --force enable;
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fi |