Create launch_on_server.md

scripts/launch_on_server.md

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+# Instructions on how to launch and query Petagraph on the Taylor server
+
+
+#### 1. ssh into the server: 
+`$ ssh RESLNTAYLORD01.research.chop.edu`
+#### 2. start the database:
+This will start the database in the console. This allows you to see the status and updated logs of the running dataabase right in the terminal.
+`$ neo4j-admin server console`
+#### 3. open a new terminal and ssh into the server again, and show that the database is running:
+`$ neo4j-admin server status`
+
+output should look like this: `Neo4j is running at pid 2514457`.
+You can now invoke the `cypher-shell` tool by doing `$ cypher-shell` and enter cypher statements in the terminal. 
+Remember to end cypher statements with a semicolon. Type `:exit` to exit the `cypher-shell`.
+
+#### 4. If you want to launch a jupyter notebook or r studio notebook you can just use regular port forwarding method by doing the following:
+4a. Do `jupyter lab --no-browser --port=8890` on the Taylor server. Don't use port 7474 b/c thats the default for the neo4j database.
+4b. Do `ssh -N -f -L localhost:8890:localhost:8890 RESLNTAYLORD01.research.chop.edu`. If there are no errors it shoud've worked.
+4c. Copy the URL that the `jupyter lab --no-browser --port=8890` command gave and paste it into a browser window. It should open a jupyter lab page. Now you can use Python/R neo4j plugins to interact with the database
+The URL to connect to is: