title: Got "neo4j: command not found" error when installing Neo4j on Linux machine
body: <p>I tried to install Neo4j1.9.2 on an Ubuntu machine. I downloaded neo4j-community-1.9.2-unix.tar.gz from Neo4j.org and unzipped it. The neo4j file is in the bin directory. </p>
  
  <p>In bin directory, I typed command "neo4j start", got error "neo4j: command not found". I also tried command "sudo neo4j install", after I provided the password, I got same error "neo4j: command not found".</p>
  
  <p>Java has been installed on this machine: 
  java version "1.6.0_27"
  OpenJDK Runtime Environment (IcedTea6 1.12.5) (6b27-1.12.5-0ubuntu0.12.04.1)
  OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)</p>