/lib64/ld-linux-x86-64.so.2: No such file or directory error

**Background** I am using docker to do a school project. Specifically, I pulled an ubuntu image and here is the system config: [![enter image description here][1]][1] [1]: https://i.sstatic.net/VZ5fz.png I then logged into the docker container (ubuntu) and set up elasticsearch. When I try to run ``` ./bin/elasticsearch ``` I get the following error inside the docker container's terminal ``` /lib64/ld-linux-x86-64.so.2: No such file or directory ``` I have two main confusions: 1. what does that even mean? 2. How to solve it?