I'm glad to be able to help!
Installing APOC in linux really doesn't need a GUI.
- Put the apoc jar in Neo4j's /plugins director
- Make one adjustment in the config file
- Restart neo4j
Note: In linux, the Neo4j plugin directory is usually at /var/lib/neo4j/plugins
Note2: Find the latest version of apoc here: Release 5.3.1 · neo4j-contrib/neo4j-apoc-procedures · GitHub (if you're using an older version of Neo4j, check apoc's pom.xml to find the closest matching neo4j version).
The simplest would just be to use wget
sudo apt-get update
sudo apt-get install wget
sudo service neo4j stop
cd /var/lib/neo4j/plugins
wget https://github.com/neo4j-contrib/neo4j-apoc-procedures/releases/download/4.0.0.12/apoc-4.0.0.12-all.jar
sudo chown neo4j:neo4j apoc-4.0.0.12-all.jar
sudo echo "dbms.security.procedures.unrestricted=apoc.*" >> /etc/neo4j/neo4j.conf
sudo service neo4j start