aspera installation manual download page
wget https://download.asperasoft.com/download/sw/cli/3.7.7/aspera-cli-3.7.7.608.927cce8-linux-64-release.sh
update permissions of the installation executable and execute
chmod a+x ./aspera-cli-3.7.7.608.927cce8-linux-64-release.sh
./aspera-cli-3.7.7.608.927cce8-linux-64-release.sh