2.Add a user to the above group and set the user home to the folder where tomcat will be installed. Prevent this user from having a shell to log in to.<\/p>\n
sudo useradd -s \/bin\/false -g tomcat -d \/opt\/tomcat tomcat<\/code><\/pre>\n3.Install tomcat from the official downloads page. We are downloading version 9 from https:\/\/tomcat.apache.org\/download-90.cgi . In this page, under Binary Distributions – Core, download the tar.gz file<\/p>\n
4.Change directory to where you have downloaded the tar.gz file eg. cd ~\/Downloads . We are going to create the tomcat folder and then unzip the file contents into that folder.<\/p>\n
sudo mkdir \/opt\/tomcat\r\nsudo tar xzvf apache-tomcat-8*tar.gz -C \/opt\/tomcat --strip-components=1\r\n\r\n\r\n<\/pre>\n5.Give the tomcat group ownership of the tomcat folder tree<\/p>\n
sudo chgrp -R tomcat \/opt\/tomcat<\/code><\/pre>\n6.Give read access to the conf tree and execute access to the conf folder<\/p>\n
sudo chmod -R g+r conf<\/code><\/pre>\nsudo chmod g+x conf<\/code><\/pre>\n6.Give ownership to the main folders to the tomcat user<\/p>\n
sudo chown -R tomcat webapps\/ work\/ temp\/ logs\/<\/code><\/p>\n7.Find the path to the installation of Java.<\/p>\n
echo $JAVA_HOME<\/pre>\n8.Set tomcat to run as a system service by creating a .service file for it<\/p>\n
sudo vi \/etc\/systemd\/system\/tomcat.service<\/code><\/pre>\n9.Put in the contents below and set the JAVA_HOME path as required. Remember to keep the \/jre at the end of the path.<\/p>\n
[Unit]\r\nDescription=Apache Tomcat Web Application Container\r\nAfter=network.target\r\n\r\n[Service]\r\nType=forking\r\n\r\nEnvironment=JAVA_HOME=\/usr\/lib\/jvm\/java-8-oracle\/jre\r\nEnvironment=CATALINA_PID=\/opt\/tomcat\/temp\/tomcat.pid\r\nEnvironment=CATALINA_HOME=\/opt\/tomcat\r\nEnvironment=CATALINA_BASE=\/opt\/tomcat\r\nEnvironment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'\r\nEnvironment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:\/dev\/.\/urandom'\r\n\r\nExecStart=\/opt\/tomcat\/bin\/startup.sh\r\nExecStop=\/opt\/tomcat\/bin\/shutdown.sh\r\n\r\nUser=tomcat\r\nGroup=tomcat\r\nUMask=0007\r\nRestartSec=10\r\nRestart=always\r\n\r\n[Install]\r\nWantedBy=multi-user.target\r\n<\/code><\/pre>\n10.After saving the file, reload systemd daemon<\/p>\n
sudo systemctl daemon-reload<\/code><\/pre>\n11.Start tomcat<\/p>\n
sudo systemctl start tomcat<\/code><\/p>\n12.You can check the status by the following command<\/p>\n
sudo systemctl status tomcat\r\n<\/code><\/pre>\n13.If you want tomcat to start automatically at boot then put the following command<\/p>\n
sudo systemctl enable tomcat<\/code><\/pre>\n14.Setup the default admin credentials for the tomcat web interface by editing the tomcat-users.xml file<\/p>\n
sudo vi \/opt\/tomcat\/conf\/tomcat-users.xml<\/code><\/pre>\n <\/p>\n
15.Set your root credentials as desired and save the file<\/p>\n
<tomcat-users . . .>\r\n <user username=\"root<\/span>\" password=\"master<\/span>\" roles=\"manager-gui,admin-gui\"\/>\r\n<\/tomcat-users><\/code><\/pre>\n <\/p>\n
15.Tomcat should be ready to run now. Type http:\/\/localhost:8080 in your browser. You should see the following screen:<\/p>\n
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16.If you click on any of the buttons like Server Status or Host Manager it will ask you for admin credentials which are the ones you set in tomcat-users.xml file. Once you have logged in it will show something like this:<\/p>\n
![\"\"](\"https:\/\/truelogic.org\/wordpress\/wp-content\/uploads\/2018\/02\/manager-620x300.png\")
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17.You can stop the tomcat service by<\/p>\n
sudo systemctl stop tomcat<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"