2022-11-20 16:47:54 -05:00
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#!/bin/bash
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2022-11-20 17:05:22 -05:00
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find /etc/apt/sources.list.d -type f -exec sed -i 's/http:/https:/g' {} \;
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2022-11-20 16:47:54 -05:00
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apt update
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apt upgrade -y
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apt install -y tuned apparmor-profiles ufw
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tuned-adm profile virtual-guest
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curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
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curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
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curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_silent-kernel-printk.conf -o /etc/sysctl.d/30_silent-kernel-printk.conf
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sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
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rm -rf /etc/chrony/chrony.conf
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curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
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echo "* hard core 0" | tee -a /etc/security/limits.conf
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sed -i 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_config
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