Kubuntu Setup Helper

setup.sh

#!/usr/bin/env bash

# This script will automatically set up a new Kubuntu Minimal system

sudo apt install vim curl flatpak kde-config-flatpak steam-devices timeshift -y

# Add flathub repo for flatpak
flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

# Install Firefox
flatpak install flathub org.mozilla.firefox -y

# Install Steam
# Don't do this via Flatpak. The sandboxing causes problems with secondary drives.
#flatpak install com.valvesoftware.Steam -y

# Ensure Steam has access to controllers/devices
flatpak override --user --device=all com.valvesoftware.Steam

# Install Discord
flatpak install flathub com.discordapp.Discord -y

# Install Heroic
flatpak install flathub com.heroicgameslauncher.hgl -y

# Install Lutris
flatpak install flathub net.lutris.Lutris -y

# Install LibreOffice
flatpak install org.libreoffice.LibreOffice -y

# Add XDG_DATA_DIRS to .profile with flatpak dirs
KSH_XDG_STR='export XDG_DATA_DIRS="$XDG_DATA_DIRS:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share"'
if ! grep -Fxq "$KSH_XDG_STR" "$HOME/.profile"; then
    echo -e "\n# Ensure Flatpak apps appear in menus\n$KSH_XDG_STR" >> "$HOME/.profile"
    echo "Added Flatpak XDG_DATA_DIRS to ~/.profile"
else
    echo "Flatpak XDG_DATA_DIRS already present in ~/.profile"
fi

# Update /etc/sysctl.conf for big memory-hungry games (e.g. Star Citizen)
# Ensure vm.max_map_count is set to at least 16777216
SCVMMAX_CURRENT=$(sysctl -n vm.max_map_count)
SCVMMAX_TARGET=16777216

# If the current setting/default is lower than we need...
if [ "$SCVMMAX_CURRENT" -lt "$SCVMMAX_TARGET" ]; then
    echo "Current vm.max_map_count is $SCVMMAX_CURRENT, updating to $SCVMMAX_TARGET..."

    # Does setting already exist in the conf?
    if grep -q "^vm.max_map_count=" /etc/sysctl.conf; then
        # Update it
        sudo sed -i "s/^vm.max_map_count=.*/vm.max_map_count=$SCVMMAX_TARGET/" /etc/sysctl.conf
    else
        # Add new value
        echo -e "\n# Updating /etc/sysctl.conf with vm.max_map_count=$SCVMMAX_TARGET" | sudo tee -a /etc/sysctl.conf > /dev/null
    fi

    # Make sure any changes are immediately applies
    sudo sysctl --system
    echo "vm.max_map_count updated and applied."
else
    echo "vm.max_map_count is already >= $SCVMMAX_TARGET (current: $SCVMMAX_CURRENT)! No changes made."
fi