Snap installation, enabling and starting snap and Ruby installation via Snap and setting the latest Ruby as default

scripts.sh

# Install necessary dependencies for installing Ruby
sudo apt install git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev

# Install `snap`
sudo apt install snapd

# Unmask `snapd.service`
sudo systemctl unmask snapd.service

# Enable `snapd.service`
sudo systemctl enable snapd.service

# Start `snapd.service`
sudo systemctl start snapd.service

# Install Ruby from snapstore
sudo snap install ruby --classic

# Uninstall in-built Ruby
sudo apt remove ruby

# Create symbolic link for ruby in `/usr/bin` from `/snap/bin/ruby` or export `/snap/bin/ruby` to `$PATH`
sudo ln -s /snap/bin/* /usr/bin

# Or
export PATH=$PATH:/snap/bin/*