Useful post-install scripts for Ubuntu

24hr_time.sh

# Force linux to use 24-hour time everywhere, including login screen
sudo update-locale LC_TIME="C.UTF-8"

disable_kernel_secure_boot.sh

# https://wiki.ubuntu.com/UEFI/SecureBoot/DKMS
sudo mokutil --disable-validation

install_boxes_bionic.sh

# Install gnome-boxes correctly in Ubuntu 18.04
sudo apt install gnome-boxes && sudo adduser $USER kvm

mint_setup.sh

# Remove junk from Mint default installation (as of LM 18.2)

# Remove old intel driver pkg
sudo apt autoremove xserver-xorg-video-intel

# Remove mono runtime to avoid running Windows exes
sudo apt autoremove mono-runtime

# If physical install:
sudo apt autoremove virtualbox-guest*


# Remove old chromium folder (run for all users)
rm -r ~/.config/chromium/

post_install.sh

sudo ufw enable
# Prevent fw log garbage
sudo ufw deny in to 224.0.0.0/24
sudo ufw deny in to ff02::1
sudo ufw deny in 1900/udp

# Stop automatic printer detection and setup
sudo apt autoremove cups-browsed

sudo apt purge xul-ext-ubufox
sudo apt autoremove webbrowser-app # Remove Ubuntu browser and Amazon in 16.04