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To carry out the installation, it is necessary to have previously installed Java 1.8 (see see 1) Starting with basic installation: Java-Maven-Solr-GIT)

Procedures

1- Installing Tomcat

StepAction

1) Creating the Tomcat directory


Code Block
languagebash
sudo mkdir -p /opt/tomcat


2) Create the group and user 'tomcat'.


Code Block
languagebash
sudo groupadd tomcat
sudo useradd -s /bin/bash -g tomcat -d /opt/tomcat tomcat


3) Changing the tomcat password


Code Block
languagebash
sudo passwd tomcat
Enter new UNIX password: 
Retype new UNIX password: 
passwd: password updated successfully


4) Download Tomcat 8.5

Info

The download version of tomcat is currently being updated. Check here to get the latest version (https://www-us.apache.org/dist/tomcat/tomcat-8)



Code Block
languagebash
cd /opt/Download
sudo wget
https
http://
www-us
archive.apache.org/dist/tomcat/tomcat-8/v8.5.
50
51/bin/apache-tomcat-8.5.
50
51.zip -P /opt/Download


5) Installing the tomcat 8.5 distribution in /opt/tomcat


Code Block
languagebash
sudo apt install unzip
sudo unzip apache-tomcat-8.5.
50
51.zip
sudo mv apache-tomcat-8.5.
50
51/* /opt/tomcat
sudo chown -R tomcat:tomcat /opt/tomcat
sudo chmod +x /opt/tomcat/bin/*.sh
sudo usermod -aG sudo tomcat # adding tomcat as sudo-user


6) Configuring environment variables

Add

CATALINA_HOME="/opt/tomcat"


Code Block
languagebash
title/etc/environment
linenumberstrue
sudo vi /etc/environment


Code Block
title/etc/environment
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/
jdk1.8.0_241
current/bin:/usr/lib/jvm/
jdk1.8.0_241
current/db/bin:/usr/lib/jvm/
jdk1.8.0_241
current/jre/bin:/opt/apache-maven-3.6.3/bin"
J2SDKDIR="/usr/lib/jvm/
jdk1.8.0_241
current"
J2REDIR="/usr/lib/jvm/
jdk1.8.0_241
current/jre"
JAVA_HOME="/usr/lib/jvm/
jdk1.8.0_241
current"
MAVEN_HOME=/opt/apache-maven-3.6.3
CATALINA_HOME="/opt/tomcat"


7) Create the service file to start tomcat


Code Block
languagebash
sudo vi /etc/systemd/system/tomcat.service


Code Block
title/etc/systemd/system/tomcat.service
[Unit]
Description=Tomcat 8.5 servlet container
After=network.target

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

Environment="JAVA_HOME=/usr/lib/jvm/
jdk1.8.0_241
current"
Environment="JAVA_OPTS=-Djava.security.egd=file:///dev/urandom"

Environment="CATALINA_BASE=/opt/tomcat"
Environment="CATALINA_HOME=/opt/tomcat"
Environment="CATALINA_PID=/opt/tomcat/temp/tomcat.pid"
Environment="CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC"

ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh

[Install]
WantedBy=multi-user.target


8) Operating the tomcat service


Code Block
languagebash
sudo systemctl daemon-reload
sudo systemctl start tomcat
sudo systemctl status tomcat


Code Block
titleResult
● tomcat.service - Tomcat 8.5 servlet container
   Loaded: loaded (/etc/systemd/system/tomcat.service; disabled; vendor preset: enabled)
   Active: active (running) since Wed 2019-11-27 21:58:03 UTC; 4s ago
  Process: 2258 ExecStart=/opt/tomcat/bin/startup.sh (code=exited, status=0/SUCCESS)
 Main PID: 2270 (java)
    Tasks: 52 (limit: 9246)
   CGroup: /system.slice/tomcat.service
           └─2270 /usr/lib/jvm/jdk1.8.0_231/bin/java -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLog

nov. 27 21:58:03 vivo-uqam systemd[1]: Starting Tomcat 8.5 servlet container...
nov. 27 21:58:03 vivo-uqam startup.sh[2258]: Tomcat started.
nov. 27 21:58:03 vivo-uqam systemd[1]: Started Tomcat 8.5 servlet container.


Code Block
languagebash
# if there is no error activate tomcat for a boot on server startup
sudo systemctl enable tomcat

Created symlink /etc/systemd/system/multi-user.target.wants/tomcat.service → /etc/systemd/system/tomcat.service.


9) Adjusting the firewall


Code Block
languagebash
sudo ufw allow 8080/tcp


10) Test installation

Display the start page from the server's IP address (Ex.: 192.168.7.144)

http://192.168.7.144:8080


Code Block
languagebash
sudo reboot -f

Image Modified

2- Configuring access to Tomcat

StepAction

1) connect as Tomcat user


Code Block
languagebash
sudo -s -u tomcat
cd /opt/tomcat


2) Configure tomcat user account


Warning

Changing <must-be-changed>

by your password



Code Block
languagebash
vi conf/tomcat-users.xml


Code Block
languagexml
titleconf/tomcat-users.xml
<?xml version="1.0" encoding="UTF-8"?>
<tomcat-users xmlns="http://tomcat.apache.org/xml"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
              version="1.0">
<role rolename="manager-gui"/>
<role rolename="tomcat"/>
<user username="vivo" password="<must-be-changed>" roles="manager-gui,tomcat"/>
</tomcat-users>


3) Configure for management in remote access mode





Code Block
languagebash
vi ./webapps/manager/META-INF/context.xml

Replace the text with this one

Code Block
languagexml
title./webapps/manager/META-INF/context.xml
<?xml version="1.0" encoding="UTF-8"?>
    <Context antiResourceLocking="false" privileged="true" >
              <Valve className="org.apache.catalina.valves.RemoteAddrValve"
                               allow=".*"/>
</Context>


4) Restart tomcat and manage



Code Block
languagebash
systemctl restart tomcat

Click on the "Manager App"

Enter the user's name and password as defined in step 2)

Image Modified


Status
colourGreen
titleTomcat is now ready

Next: 4) Installing Vivo-i18n from Uqam BitBucket