Neo4j and its required JDK installation log

A little more 2020-11-10 17:23:57
neo4j neo required jdk installation


When I install the environment, I usually install it from the official website , This will ensure that I can learn more reliable methods through the most direct way .

  • Environmental Science :ubuntu16 Desktop computer
  • The pit to avoid :

① Best installed neo4j, because neo4j(v3) After installation bin Using commands in $sudo ./neo4j console When it comes to error
② Remember ,(v4) Corresponding jdk11,(v3) Corresponding jdk8

One 、jdk11 install

1、 download
Get into oracle( Oracle ) Official website , Find your own jdk edition ;
Be careful : Wrong version before :Linux ARM 64 Compressed Archive
It should be this Linux x64 Compressed Archive, Download to local ;
Note that you need to log in now to download , You need to sign up for an account first !

2、 install & To configure
① My own download directory , Copy this file into your own java Installation directory , Generally in /usr/local Next , We mkdir One java Catalog .
( namely jdk-11.0.9_linux-x64_bin.tar.gz Copied to the /usr/local/java
② Use tar -zxvf Command decompression , This package is deleted , At this point, there is a directory under the current directory jdk-11.0.9, The name doesn't matter , Maybe when you see this article, the version is updated to 20 了 .
③ To configure java Environmental Science :
$ sudo vim /etc/profile, Add two :

export JAVA_HOME=/usr/local/java/jdk-11.0.9
export PATH=${JAVA_HOME}/bin:${PATH}

The upper one JAVA_HOME The location at the back is your directory absolute address
④ Make the environment configuration work :
source etc/profile
3、 pit
①jdk11 No, jre This directory , You need to install it according to your needs , But that's enough for us , Environment variables don't need jre Catalog , So don't overdo it .
② About every time you need source To test java -version command
This article Blog Solve the problem thoroughly and take it away .
Stick it out :

sudo update-alternatives --install /usr/bin/javac _javac_ /usr/local/java/jdk-11.0.9/bin/javac 300
sudo update-alternatives --install /usr/bin/java _java_ /usr/local/java/jdk-11.0.9/bin/java 300

③ Want to completely delete jdk When ( Perfect uninstall JDK):

Two 、neo4j install

Go to the official website :
Looking for the community server version :
Neo4j 4.1.4 (tar)
① Download to your own download directory ;
② Copied to the /usr/local/neo inside ;
③ use tar -zxvf , Command decompression
④ Into the conf Directory modification configuration file neo4j.conf:
Open these notes :

dbms.connectors.default_listen_address=0.0.0.0 # Allow remote access
dbms.connector.bolt.enabled=true # Turn on bolt service , Default port 7687
dbms.connector.http.enabled=true # Turn on http service , Default port 7474
dbms.connector.https.enabled=true # Turn on https service , Default port 7473

And then it's all right , Reference resources 《ubuntu Installation on server neo4j》


Now it's all installed , direct sudo bin/neo4j console perhaps start that will do .

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