The objective is to install Couchbase Enterprise or Community Server on Ubuntu 18.04 Bionic Beaver Linux. First, step is to download Couchbase Server Community Edition. Navigate to download page and download Couchbase Server debian package. If the Ubuntu 18.04 version is still not available the 16.04 version will do just well. Save the downloaded DEB file into your home directory eg.:
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-install-couchbase-server-on-ubuntu-18-04-bionic-beaver-linux