sudo dpkg -i oracle-database-xe_21c-1.0-2_amd64.deb
: You can automate the VM process using Vagrant, which creates a pre-configured Oracle environment on your Ubuntu host. Repository Oracle Vagrant Projects on GitHub to quickly spin up a 21c XE instance. Oracle Help Center Troubleshooting Common Ubuntu Issues If you attempt a native installation using tools like install oracle xe 21c on ubuntu
: This is the most reliable way to run Oracle 21c on Ubuntu without worrying about OS incompatibilities. Docker Engine for Ubuntu to pull the official Oracle XE image. : Pull the image using docker pull ://oracle.com and run it with your specified environment variables (like ORACLE_PWD Virtual Machine (Official Support Path) Oracle VM VirtualBox on your Ubuntu machine, then create a VM running Oracle Linux 8 sudo dpkg -i oracle-database-xe_21c-1