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https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-11-22 17:41:32 -05:00
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2f5d07bc51
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0c8ae2fa24
@ -77,50 +77,8 @@ sudo update-initramfs -u
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# Security limit
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# Security limit
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echo '* hard core 0' | tee -a /etc/security/limits.conf
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echo '* hard core 0' | tee -a /etc/security/limits.conf
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# Setup tuned
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sudo dnf install tuned -y
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sudo tuned-adm profile virtual-guest
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# Enable fstrim.timer
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sudo systemctl enable --now fstrim.timer
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### Differentiating bare metal and virtual installs
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# Installing tuned first here because virt-what is 1 of its dependencies anyways
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sudo apt install tuned -y
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virt_type=$(virt-what)
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if [ "$virt_type" = "" ]; then
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output 'Virtualization: Bare Metal.'
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elif [ "$virt_type" = 'openvz lxc' ]; then
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output 'Virtualization: OpenVZ 7.'
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elif [ "$virt_type" = 'xen xen-hvm' ]; then
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output 'Virtualization: Xen-HVM.'
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elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
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output 'Virtualization: Xen-HVM on AWS.'
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else
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output "Virtualization: $virt_type."
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fi
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# Setup tuned
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if [ "$virt_type" = "" ]; then
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sudo tuned-adm profile latency-performance
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else
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sudo tuned-adm profile virtual-guest
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fi
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# Setup fwupd
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if [ "$virt_type" = '' ]; then
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sudo apt install fwupd -y
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echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
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sudo systemctl restart fwupd
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mkdir -p /etc/systemd/system/fwupd-refresh.service.d
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
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sudo systemctl daemon-reload
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sudo systemctl enable --now fwupd-refresh.timer
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fi
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# Setup unbound
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# Setup unbound
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sudo apt instal unbound resolvconf -y
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sudo apt instal unbound resolvconf -y
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echo 'server:
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echo 'server:
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@ -190,5 +148,11 @@ BindPaths=-/dev/log:@UNBOUND_CHROOT_DIR@/dev/log' | sudo tee /etc/systemd/system
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sudo systemctl daemon-reload
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sudo systemctl daemon-reload
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sudo systemctl restart unbound
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sudo systemctl restart unbound
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sudo systemctl disable systemd-resolved
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sudo systemctl disable --now systemd-resolved
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sudo reboot
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# Setup tuned
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sudo dnf install tuned -y
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sudo tuned-adm profile virtual-guest
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# Enable fstrim.timer
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sudo systemctl enable --now fstrim.timer
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@ -15,6 +15,7 @@
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# the License.
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# the License.
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#Meant to be run on Ubuntu Pro Minimal
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#Meant to be run on Ubuntu Pro Minimal
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#The script assumes you already have Ubuntu Pro activated
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output(){
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output(){
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echo -e '\e[36m'"$1"'\e[0m';
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echo -e '\e[36m'"$1"'\e[0m';
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@ -28,17 +29,13 @@ unpriv(){
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sudo systemctl mask ctrl-alt-del.target
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sudo systemctl mask ctrl-alt-del.target
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sudo systemctl mask debug-shell.service
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sudo systemctl mask debug-shell.service
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echo 'CtrlAltDelBurstAction=none' | sudo tee -a /etc/systemd/system.conf
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echo 'CtrlAltDelBurstAction=none' | sudo tee -a /etc/systemd/system.conf
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echo 'Authorized uses only. All activity may be monitored and reported.' | sudo tee /etc/issue
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echo 'Authorized uses only. All activity may be monitored and reported.' | sudo tee /etc/issue.net
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#USG CIS Server 2 Breaks Unbound right now.
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sudo ua enable usg
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#sudo ua enable usg
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sudo apt update -y
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sudo apt update -y
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sudo apt full-upgrade -y
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sudo apt full-upgrade -y
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sudo apt install -y curl
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sudo apt install -y usg curl libpam-pwquality
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#sudo apt install -y usg curl libpam-pwquality
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sudo apt autoremove -y
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#sudo apt autoremove -y
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sudo usg fix cis_level2_server
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#sudo usg fix cis_level2_server
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# Make home directory private
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# Make home directory private
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chmod 700 /home/*
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chmod 700 /home/*
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@ -57,7 +54,7 @@ sudo systemctl restart chronyd
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sudo apt purge -y ufw
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sudo apt purge -y ufw
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sudo snap install ufw
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sudo snap install ufw
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sudo ufw enable
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sudo ufw enable
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sudo ufw allow SSH
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sudo ufw allow OpenSSH
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# Harden SSH
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# Harden SSH
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echo 'GSSAPIAuthentication no
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echo 'GSSAPIAuthentication no
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@ -70,71 +67,6 @@ unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/sys
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sudo systemctl daemon-reload
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sudo systemctl daemon-reload
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sudo systemctl restart sshd
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sudo systemctl restart sshd
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# Kernel hardening
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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
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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
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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
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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
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sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
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sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
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sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
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sudo sysctl -p
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# Rebuild initramfs
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sudo update-initramfs -u
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# Disable telemetry
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sudo systemctl stop apport.service
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sudo systemctl disable apport.service
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sudo systemctl mask apport.service
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#Setup fwupd
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sudo apt install fwupd -y
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mkdir -p /etc/systemd/system/fwupd-refresh.service.d
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echo '[Service]
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ExecStart=/usr/bin/fwupdmgr update' | tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
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sudo systemctl daemon-reload
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sudo systemctl enable --now fwupd-refresh.timer
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# Enable fstrim.timer
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sudo systemctl enable --now fstrim.timer
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### Differentiating bare metal and virtual installs
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# Installing tuned first here because virt-what is 1 of its dependencies anyways
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sudo apt install tuned -y
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virt_type=$(virt-what)
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if [ "$virt_type" = "" ]; then
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output 'Virtualization: Bare Metal.'
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elif [ "$virt_type" = 'openvz lxc' ]; then
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output 'Virtualization: OpenVZ 7.'
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elif [ "$virt_type" = 'xen xen-hvm' ]; then
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output 'Virtualization: Xen-HVM.'
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elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
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output 'Virtualization: Xen-HVM on AWS.'
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else
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output "Virtualization: $virt_type."
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fi
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# Setup tuned
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if [ "$virt_type" = "" ]; then
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sudo tuned-adm profile latency-performance
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else
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sudo tuned-adm profile virtual-guest
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fi
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# Setup fwupd
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if [ "$virt_type" = '' ]; then
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sudo apt install fwupd -y
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echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
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sudo systemctl restart fwupd
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mkdir -p /etc/systemd/system/fwupd-refresh.service.d
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
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sudo systemctl daemon-reload
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sudo systemctl enable --now fwupd-refresh.timer
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fi
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# Setup unbound
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# Setup unbound
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sudo apt install -y unbound
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sudo apt install -y unbound
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@ -206,6 +138,72 @@ BindPaths=-/dev/log:@UNBOUND_CHROOT_DIR@/dev/log' | sudo tee /etc/systemd/system
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sudo systemctl daemon-reload
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sudo systemctl daemon-reload
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sudo systemctl restart unbound
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sudo systemctl restart unbound
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sudo systemctl disable systemd-resolved
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sudo systemctl disable --now systemd-resolved
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sudo reboot
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# Kernel hardening
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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
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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
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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
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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
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sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
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sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
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sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
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sudo sysctl -p
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# Rebuild initramfs
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sudo update-initramfs -u
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# Disable telemetry
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sudo systemctl stop apport.service
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sudo systemctl disable apport.service
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sudo systemctl mask apport.service
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sudo systemctl stop whoopsie.service
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sudo systemctl disable whoopsie.service
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sudo systemctl mask whoopsie.service
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#Setup fwupd
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sudo apt install fwupd -y
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mkdir -p /etc/systemd/system/fwupd-refresh.service.d
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echo '[Service]
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ExecStart=/usr/bin/fwupdmgr update' | tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
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sudo systemctl daemon-reload
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sudo systemctl enable --now fwupd-refresh.timer
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# Enable fstrim.timer
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sudo systemctl enable --now fstrim.timer
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### Differentiating bare metal and virtual installs
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# Installing tuned first here because virt-what is 1 of its dependencies anyways
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sudo apt install tuned -y
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virt_type=$(virt-what)
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if [ "$virt_type" = "" ]; then
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output 'Virtualization: Bare Metal.'
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elif [ "$virt_type" = 'openvz lxc' ]; then
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output 'Virtualization: OpenVZ 7.'
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elif [ "$virt_type" = 'xen xen-hvm' ]; then
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output 'Virtualization: Xen-HVM.'
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elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
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output 'Virtualization: Xen-HVM on AWS.'
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else
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output "Virtualization: $virt_type."
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fi
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# Setup tuned
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if [ "$virt_type" = "" ]; then
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sudo tuned-adm profile latency-performance
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else
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sudo tuned-adm profile virtual-guest
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fi
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# Setup fwupd
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if [ "$virt_type" = '' ]; then
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sudo apt install fwupd -y
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echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
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sudo systemctl restart fwupd
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mkdir -p /etc/systemd/system/fwupd-refresh.service.d
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
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sudo systemctl daemon-reload
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sudo systemctl enable --now fwupd-refresh.timer
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fi
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