Download the Eclipse Memory Analyzer (MAT) from https://www.eclipse.org/mat/. Select Linux (x86_64/GTK+). Select Download. This will download a file named MemoryAnalyzer-<version>.yyyymmdd-linux.gtk.x86_64.zip to your local PC. Place this zip file on the server that will run Memory Analzyer. Extract the zip file to the /opt directory. The installation files will reside at /opt/mat.
unzip MemoryAnalyzer-<version>.yyyymmdd-linux.gtk.x86_64.zip -d /opt
Issue the following command to launch the Memory Analyzer GUI. Be aware that it may take a while for the application to launch (perhaps 30 seconds or so).
Once launched, you should get a GUI that looks something like this.