openSUSE Aeon

Signed-off-by: Tommy <contact@tommytran.io>

openSUSE-Aeon.sh

@@ -0,0 +1,90 @@
+#!/bin/bash
+
+# Copyright (C) 2021-2024 Thien Tran
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+#Please note that this is how I PERSONALLY setup my computer - I do some stuff such as not using anything to download GNOME extensions from extensions.gnome.org and installing the extensions as a package instead
+
+# Meant to run as the normal user - other stuff needs to be done with transactional-update shell
+
+output(){
+    echo -e '\e[36m'"$1"'\e[0m';
+}
+
+unpriv(){
+    sudo -u nobody "$@"
+}
+
+# Compliance
+sudo systemctl mask debug-shell.service
+sudo systemctl mask kdump.service
+
+# Make home directory private
+sudo chmod 700 /home/*
+
+# Setup NTS
+sudo rm -rf /etc/chrony/chrony.conf
+unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
+
+sudo systemctl restart chronyd
+
+# Setup Networking
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
+sudo nmcli general reload conf
+sudo hostnamectl hostname 'localhost'
+sudo hostnamectl --transient hostname ''
+sudo firewall-cmd --set-default-zone=block
+sudo firewall-cmd --permanent --add-service=dhcpv6-client
+sudo firewall-cmd --reload
+sudo firewall-cmd --lockdown-on
+
+# Harden SSH
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
+sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
+
+# Security kernel settings
+unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
+sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
+sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
+unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
+sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
+unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
+sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
+unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
+sudo chmod 644 /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/990-security-misc.conf
+
+# Disable coredump
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
+
+# Systemd Hardening
+sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
+unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
+sudo systemctl restart NetworkManager
+
+# Setup dconf (does not seem to work - need to double check why)
+umask 022
+
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | sudo tee /etc/dconf/db/local.d/automount-disable
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | sudo tee /etc/dconf/db/local.d/locks/automount-disable
+
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | sudo tee /etc/dconf/db/local.d/prefer-dark
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/adw-gtk3-dark | sudo tee /etc/dconf/db/local.d/adw-gtk3-dark
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | sudo tee /etc/dconf/db/local.d/button-layout
+unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad
+
+sudo dconf update
+umask 077