sudo mkdir /usr/lib/jvm

cd /usr/lib/jvm
sudo tar xzf ~/Download/jdk-8u231-linux-x64.tar.gz 
chown -R root:root jdk1.8.0_231

sudo vi /etc/environment

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/jdk1.8.0_231/bin:/usr/lib/jvm/jdk1.8.0_231/db/bin:/usr/lib/jvm/jdk1.8.0_231/jre/bin"
J2SDKDIR="/usr/lib/jvm/jdk1.8.0_231"
J2REDIR="/usr/lib/jvm/jdk1.8.0_231/jre"
JAVA_HOME="/usr/lib/jvm/jdk1.8.0_231"
DERBY_HOME="/usr/lib/jvm/jdk1.8.0_231/db"

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0_231/bin/java" 0
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0_231/bin/javac" 0
sudo update-alternatives --set java /usr/lib/jvm/jdk1.8.0_231/bin/java
sudo update-alternatives --set javac /usr/lib/jvm/jdk1.8.0_231/bin/javac

update-alternatives --list java
update-alternatives --list javac

java -version

sudo apt-get update

sudo wget https://www-us.apache.org/dist/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz -P /opt
cd /opt

sudo tar xvzf apache-maven-3.6.3-bin.tar.gz -C /opt

sudo vi /etc/profile.d/maven.sh

export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_231
export M3_HOME=/opt/apache-maven-3.6.3
export MAVEN_HOME=/opt/apache-maven-3.6.3
export PATH=${M3_HOME}/bin:${PATH}

sudo chmod +x /etc/profile.d/maven.sh

sudo vi /etc/environment

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/jdk1.8.0_221/bin:/usr/lib/jvm/jdk1.8.0_221/db/bin:/usr/lib/jvm/jdk1.8.0_221/jre/bin:/opt/apache-maven-3.6.3/bin"
J2SDKDIR="/usr/lib/jvm/jdk1.8.0_221"
J2REDIR="/usr/lib/jvm/jdk1.8.0_221/jre"
JAVA_HOME="/usr/lib/jvm/jdk1.8.0_221"
DERBY_HOME="/usr/lib/jvm/jdk1.8.0_221/db"
CATALINA_HOME="/opt/tomcat"
MAVEN_HOME=/opt/apache-maven-3.6.3

source /etc/profile.d/maven.sh
mvn -version

# Exemple de réponse
Maven home: /opt/apache-maven-3.6.3
Java version: 1.8.0_231, vendor: Oracle Corporation, runtime: /usr/lib/jvm/jdk1.8.0_231/jre
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.0.0-1027-azure", arch: "amd64", family: "unix"

cd /opt
sudo wget https://archive.apache.org/dist/lucene/solr/7.7.2/solr-7.7.2.tgz

sudo mkdir -p /opt/solr
sudo groupadd solr
sudo useradd -s /bin/bash -g solr -d /opt/solr solr

sudo tar xzf solr-7.7.2.tgz -C /opt
sudo mv /opt/solr-7.7.2 /opt/solr
sudo chown -R solr:solr /opt/solr

sudo vi /etc/systemd/system/solr.service

[Unit]
Description=Solr 7.7.2 services
After=network.target

[Service]
Type=forking
User=solr
Group=solr

Environment="SOLR_HOME=/opt/solr/server/solr"

ExecStart=/opt/solr/bin/solr start -force
ExecStop=/opt/solr/bin/solr stop

[Install]
WantedBy=multi-user.target

sudo ufw allow 8983/tcp
sudo systemctl daemon-reload
sudo systemctl start solr
sudo systemctl status solr

● solr.service - Solr 7.7.2 services
   Loaded: loaded (/etc/systemd/system/solr.service; disabled; vendor preset: enabled)
   Active: active (running) since Thu 2019-11-28 12:23:23 UTC; 8s ago
  Process: 116789 ExecStart=/opt/solr/bin/solr start -force (code=exited, status=0/SUCCESS)
 Main PID: 116850 (java)
    Tasks: 41 (limit: 9246)
   CGroup: /system.slice/solr.service
           └─116850 java -server -Xms512m -Xmx512m -XX:NewRatio=3 -XX:SurvivorRatio=4 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=8 -XX

nov. 28 12:23:19 vivo-uqam solr[116789]: *** [WARN] *** Your open file limit is currently 1024.
nov. 28 12:23:19 vivo-uqam solr[116789]:  It should be set to 65000 to avoid operational disruption.
nov. 28 12:23:19 vivo-uqam solr[116789]:  If you no longer wish to see this warning, set SOLR_ULIMIT_CHECKS to false in your profile or solr.in
nov. 28 12:23:19 vivo-uqam solr[116789]: *** [WARN] ***  Your Max Processes Limit is currently 30823.
nov. 28 12:23:19 vivo-uqam solr[116789]:  It should be set to 65000 to avoid operational disruption.
nov. 28 12:23:19 vivo-uqam solr[116789]:  If you no longer wish to see this warning, set SOLR_ULIMIT_CHECKS to false in your profile or solr.in
nov. 28 12:23:23 vivo-uqam solr[116789]: [146B blob data]
nov. 28 12:23:23 vivo-uqam solr[116789]: Started Solr server on port 8983 (pid=116850). Happy searching!
nov. 28 12:23:23 vivo-uqam solr[116789]: [14B blob data]
nov. 28 12:23:23 vivo-uqam systemd[1]: Started Solr 7.7.2 services.
lines 1-19/19 (END)

http://192.168.7.144:8983/solr/

sudo apt update
sudo apt install git

git --version
# sortie
git version 2.17.1