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@ -9,7 +9,7 @@ sudo apt update -y
sudo apt full-upgrade -y
sudo apt install -y usg
sudo apt autoremove -y
sudo usg fix cis_level2_workstation
sudo usg fix cis_level2_server
# Remove AIDE
sudo apt purge -y aide*
@ -26,7 +26,8 @@ echo "umask 077" | sudo tee --append /etc/profile
# Setup NTS
sudo systemctl disable systemd-timesyncd
sudo apt install -y curl chrony
sudo apt install -y chrony
rm -rf /etc/chrony/chrony.conf
sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
sudo systemctl restart chronyd
@ -46,7 +47,7 @@ sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/
sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
sudo 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
sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc_kexec-disable.conf -o /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d