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26 lines
778 B
Bash
Executable File
26 lines
778 B
Bash
Executable File
# Base system configuration.
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apt-get -q -q update
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apt-get -q -y upgrade
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apt-get -q -y install python3
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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-get install -q -y ntp fail2ban
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# Turn on the firewall. First allow incoming SSH, then turn on the firewall. Additional open
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# ports will be set up in the scripts that set up those services. Some virtual machine providers
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# (ehm, Rimuhosting) don't provide a kernel that supports ufw, so let advanced users skip it.
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if [ -z "$DISABLE_FIREWALL" ]; then
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ufw allow ssh;
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ufw --force enable;
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fi
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