1) Installation with package manager:
# to install Vagrant on Debian, Ubuntu, Linux Mint:
sudo apt install vagrant
# On Fedora:
sudo dnf install vagrant
# On SUSE/openSUSE:
sudo zypper install vagrant
2) Installation with ".deb" file:
# If the top solution is now working, download .deb file from
# the link below and install it
link: https://www.vagrantup.com/downloads
# And then install it with this command
sudo apt install ./DEB_File.deb
curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
sudo apt-get update && sudo apt-get install vagrant
sudo apt install ./vagrant_2.2.6_x86_64.deb