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https://github.com/tommytran732/Linux-Setup-Scripts
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Delete Ubuntu-Desktop-20.04-LTS.sh
Signed-off-by: Tommy <contact@tommytran.io>
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#!/bin/bash
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#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
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#Customize it to your liking
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#Run this script as your user, NOT root
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#Note: BTRFS Setup is not included in this script. I highly recommend using encrypted ZFS instead: https://linsomniac.gitlab.io/post/2020-04-09-ubuntu-2004-encrypted-zfs/
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#I also took some codes from https://www.ncsc.gov.uk/collection/end-user-device-security/platform-specific-guidance/ubuntu-18-04-lts as well
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#Written by yours truly, Tomster
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#Variables
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USER=$(whoami)
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output(){
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echo -e '\e[36m'$1'\e[0m';
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}
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#Moving to the home directory
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#Note that I always use /home/${USER} because gnome-terminal is wacky and sometimes doesn't load the environment variables in correctly (Right click somewhere in nautilus, click on open in terminal, then hit create new tab and you will see.)
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cd /home/"${USER}" || exit
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#Setting umask to 077
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umask 077
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sudo sed -ie '/^DIR_MODE=/ s/=[0-9]*\+/=0700/' /etc/adduser.conf
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sudo sed -ie '/^UMASK\s\+/ s/022/077/' /etc/login.defs
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sudo sed -i 's/USERGROUPS_ENAB yes/USERGROUPS_ENAB no/g' /etc/login.defs
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echo "umask 077" | sudo tee --append /etc/profile
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#Disable shell access for new users
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sudo sed -ie '/^SHELL=/ s/=.*\+/=\/usr\/sbin\/nologin/' /etc/default/useradd
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sudo sed -ie '/^DSHELL=/ s/=.*\+/=\/usr\/sbin\/nologin/' /etc/adduser.conf
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#Prevent normal users from accessing su
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sudo dpkg-statoverride --update --add root adm 4750 /bin/su
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#Remove unnecessary permissions
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sudo chmod o-w /var/cache
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sudo chmod o-w /var/metrics
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#Make home directory private
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sudo chmod 700 /home/*
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#Disable crash reports
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gsettings set com.ubuntu.update-notifier show-apport-crashes false
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ubuntu-report -f send no
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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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#Disable ptrace
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sudo sed -i 's/kernel.yama.ptrace_scope = 1/kernel.yama.ptrace_scope = 3/g' /etc/sysctl.d/10-ptrace.conf
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sudo sysctl --load=/etc/sysctl.d/10-ptrace.conf
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#Security kernel settings
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sudo bash -c 'cat > /etc/sysctl.d/51-dmesg-restrict.conf' <<-'EOF'
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kernel.dmesg_restrict = 1
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EOF
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sudo sysctl --load=/etc/sysctl.d/51-dmesg-restrict.conf
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sudo bash -c 'cat > /etc/sysctl.d/51-kptr-restrict.conf' <<-'EOF'
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kernel.kptr_restrict = 2
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EOF
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sudo sysctl --load=/etc/sysctl.d/51-kptr-restrict.conf
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sudo bash -c 'cat > /etc/sysctl.d/51-kexec-restrict.conf' <<-'EOF'
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kernel.kexec_load_disabled = 1
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EOF
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sudo sysctl --load=/etc/sysctl.d/51-kexec-restrict.conf
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sudo bash -c 'cat > /etc/sysctl.d/10-security.conf' <<-'EOF'
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fs.protected_hardlinks = 1
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fs.protected_symlinks = 1
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net.core.bpf_jit_harden = 2
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EOF
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sudo sysctl --load=/etc/sysctl.d/10-security.conf.conf
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#Blacklist Firewire SBP2
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echo "blacklist firewire-sbp2" | sudo tee /etc/modprobe.d/blacklist.conf
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#Enable UFW
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sudo ufw enable
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#Update packages and firmware
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sudo apt update
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sudo apt upgrade -y
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sudo apt autoremove -y
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sudo fwupdmgr get-devices
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sudo fwupdmgr refresh --force
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sudo fwupdmgr get-updates -y
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sudo fwupdmgr update -y
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#Remove unneeded packages
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#Note that I remove unattended upgrades because GNOME Software will be handling auto updates
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sudo apt purge gnome-calculator *evince* *seahorse* *gedit* *yelp* gnome-screenshot gnome-power-manager eog gnome-logs gnome-characters gnome-shell-extension-desktop-icons gnome-font-viewer *file-roller* network-manager-pptp* network-manager-openvpn* *nfs* apport* telnet *spice* tcpdump firefox* gnome-disk* gnome-initial-setup ubuntu-report popularity-contest whoopsie speech-dispatcher modemmanager avahi* gnome-shell-extension-ubuntu-dock mobile-broadband-provider-info ImageMagick* adcli libreoffice* ntfs* xfs* tracker* thermald sane* simple-scan *hangul* unattended-upgrades ibus-table ubuntu-restricted-addons* python3-reportlab-accel* *remote-desktop* xserver-xephyr *printer-driver* info ftp* xul-ext-ubufox xcursor-themes wbritish wamerican strace anacron app-install-data-partner aspell* at-spi2-core brltty build-essential cron dmz-cursor-theme dosfstools ed genisoimage ltrace mailcap rsync bluez* cups* *printing* yaru-theme-gtk bluez* cups* *printing* yaru-theme-gtk network-manager-config-connectivity-ubuntu -y
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sudo apt autoremove -y
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sudo snap remove snap-store
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#Install packages that I use
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sudo add-apt-repository ppa:alexlarsson/flatpak -y
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sudo apt update
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sudo apt upgrade -y
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sudo apt install neofetch gnome-software flatpak gnome-software-plugin-flatpak apparmor-profiles apparmor-profiles-extra apparmor-utils gnome-tweak-tool git-core libpam-pwquality python3-pip curl lm-sensors nvme-cli nautilus -y
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#Put all AppArmor profiles into enforcing mode
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sudo aa-enforce /etc/apparmor.d/*
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#Install Yubico Stuff
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sudo apt -y install libpam-u2f
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mkdir -p /home/"${USER}"/.config/Yubico
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sudo snap install yubioath-desktop
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#Install IVPN
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curl -fsSL https://repo.ivpn.net/stable/ubuntu/generic.gpg | sudo apt-key add -
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curl -fsSL https://repo.ivpn.net/stable/ubuntu/generic.list | sudo tee /etc/apt/sources.list.d/ivpn.list
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sudo chmod 644 /etc/apt/sources.list.d/ivpn.list
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sudo apt update
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sudo apt upgrade -y
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sudo apt install ivpn-ui -y
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#Install OpenSnitch
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wget https://github.com/evilsocket/opensnitch/releases/download/v1.3.6/opensnitch_1.3.6-1_amd64.deb
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wget https://github.com/evilsocket/opensnitch/releases/download/v1.3.6/python3-opensnitch-ui_1.3.6-1_all.deb
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sudo dpkg -i opensnitch*.deb python3-opensnitch-ui*.deb
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sudo apt -f install -y
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rm -rf *opensnitch*
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sudo chown -R "$USER":"$USER" /home/"${USER}"/.config/autostart
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#Setting up Flatpak
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flatpak remote-add --user flathub https://flathub.org/repo/flathub.flatpakrepo
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flatpak remote-add --user flathub-beta https://flathub.org/beta-repo/flathub-beta.flatpakrepo
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flatpak remote-add --user gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo
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flatpak remove --unused
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#Install default applications
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flatpak install flathub com.github.tchx84.Flatseal org.mozilla.firefox org.videolan.VLC org.gnome.eog org.gnome.Calendar org.gnome.Contacts org.gnome.FileRoller com.vscodium.codium -y
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#Enable auto TRIM
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sudo systemctl enable fstrim.timer
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#Download GNOME shell theme
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git clone https://github.com/i-mint/midnight.git
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mkdir /home/"${USER}"/.themes
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ln -s /home/"${USER}"/midnight/Midnight-* /home/"${USER}"/.themes/
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#Download and set icon theme
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git clone https://github.com/horst3180/arc-icon-theme.git
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mkdir /home/"${USER}"/.icons
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ln -s /home/"${USER}"/arc-icon-theme/Arc /home/"${USER}"/.icons/
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git clone https://github.com/tommytran732/Mojave-CT.git
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ln -s /home/"${USER}"/Mojave-CT /home/"${USER}"/.icons/
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sed -i 's/Inherits=Moka,Adwaita,gnome,hicolor/Inherits=Mojave-CT,Moka,Adwaita,gnome,hicolor/g' /home/"${USER}"/arc-icon-theme/Arc/index.theme
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find /home/"${USER}"/arc-icon-theme -name '*[Tt]rash*' -exec rm {} \;
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gsettings set org.gnome.desktop.interface icon-theme "Arc"
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#Set GTK theme
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sudo add-apt-repository ppa:daniruiz/flat-remix -y
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sudo apt update
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sudo apt install flat-remix-gtk -y
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gsettings set org.gnome.desktop.interface gtk-theme "Flat-Remix-GTK-Blue-Dark"
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flatpak upgrade -y
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#Set Black GDM background
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mkdir -p /home/"${USER}"/Pictures/Wallpapers/
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wget https://wallpaperaccess.com/full/512679.jpg -O /home/"${USER}"/Pictures/Wallpapers/Black.png
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wget github.com/thiggy01/change-gdm-background/raw/master/change-gdm-background
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sudo chmod u+x /home/"${USER}"/change-gdm-background
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output "Answer no to this or the script will get interupted"
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sudo /home/"${USER}"/change-gdm-background /home/"${USER}"/Pictures/Wallpapers/Black.png
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#Set Ubuntu 20.04 LTS Wallpaper
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gsettings set org.gnome.desktop.background picture-uri 'file:///usr/share/backgrounds/matt-mcnulty-nyc-2nd-ave.jpg'
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#Enable Titlebar buttons
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gsettings set org.gnome.desktop.wm.preferences button-layout 'appmenu:minimize,maximize,close'
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#Enable GNOME shell extensions
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gsettings set org.gnome.shell disable-user-extensions false
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#Enable tap to click
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gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true
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#Enable touchpad while typing
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gsettings set org.gnome.desktop.peripherals.touchpad disable-while-typing false
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#Setup GetExtensions
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git clone https://github.com/ekistece/GetExtensions.git
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pip3 install ./GetExtensions --user
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#Reenable Wayland... They are working to support it, and if you aren't gaming you shouldn't stay on x11 anyways
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sudo sed -i 's^DRIVER=="nvidia", RUN+="/usr/lib/gdm3/gdm-disable-wayland"^#DRIVER=="nvidia", RUN+="/usr/lib/gdm3/gdm-disable-wayland"^g' /usr/lib/udev/rules.d/61-gdm.rules
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#Signing ashmem kernel module
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sudo kmodsign sha512 /var/lib/shim-signed/mok/MOK.priv /var/lib/shim-signed/mok/MOK.der /lib/modules/`uname -r`/kernel/drivers/staging/android/ashmem_linux.ko
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#Kind of an ugly hack, but since I use Nvidia and it needs to sign the Nvidia driver everytime theres a kernel update anyways, so I am doing this for now
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sudo bash -c 'cat > /etc/dkms/sign_helper.sh' <<-'EOF'
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#!/bin/sh
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/lib/modules/"$1"/build/scripts/sign-file sha512 /root/mok.priv /root/mok.der "$2"
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echo "kmodsign sha512 /var/lib/shim-signed/mok/MOK.priv /var/lib/shim-signed/mok/MOK.der /lib/modules/`uname -r`/kernel/drivers/staging/android/ashmem_linux.ko"
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EOF
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sudo chmod 755 /etc/dkms/sign_helper.sh
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#Randomize MAC address
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sudo bash -c 'cat > /etc/NetworkManager/conf.d/00-macrandomize.conf' <<-'EOF'
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[device]
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wifi.scan-rand-mac-address=yes
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[connection]
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wifi.cloned-mac-address=random
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ethernet.cloned-mac-address=random
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connection.stable-id=${CONNECTION}/${BOOT}
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EOF
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sudo systemctl restart NetworkManager
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