How to install and Configure Apache Tomcat in Linux (RHEL/CentOS)

TOMCAT APACHE:
Apache Tomcat is a web server for Java server-side applications. It is a Servlet/JSP container and implements several Java EE specifications.

Steps to follow for the installation and configuration of TOMCAT APACHE in RHEL/CentOS:

1. Login as root in server and configure yum local repo if not already configured. (watch below video for yum local repo configuration):
https://www.youtube.com/watch?v=-N09WSCNcso&t=3s

2. Install tomcat package from repository by yum command.
# yum install tomcat

3. Edit tomcat.conf file and append below line there by using vi editor.
# vim /usr/share/tomcat/conf/tomcat.conf

JAVA_OPTS=”-Djava.security.egd=file:/dev/./urandom -Djava.awt.headless=true -Xmx1026m -XX:MaxPermSize=256m -XX:+UseConcMarkSweepGC”

4. Install all other tomcat packages like tomcat webapps, tomcat docs etc.
# yum install tomcat*

5. Edit tomcat-user.xml file and write below (use less than symbol before starting this line and greater than symbol after) line there in tomcat-users section by vi editor, save it.
# vim /usr/share/tomcat/conf/tomcat-users.xml
user username=”admin” password=”password” roles=”manager-gui,admin-gui”/

6. Start tomcat service now.
# systemctl start tomcat

7. Set tomcat service to start automatically after reboot.
# systemctl enable tomcat

8. Add port 8080 (to be used by tomcat) in firewall.
# firewall-cmd –permanent –zone=public –add-port=8080/tcp

9. Reload the firewall.
# firewall-cmd –reload

Now Test your configuration:
Open Firefox and write below line in address bar.
localhost:8080
or
Open any browser and write below line in address bar.
ip-address:8080
(where ip-address is the IP address of your tomcat server)

You should see a webpage showing successful configuration of Tomcat Apache.

You have successfully installed and configured Tomcat Apache in Linux.

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Complete File Permissions in Linux (RHEL) including advance file permissions and ACL:
https://www.youtube.com/watch?v=l95bnBuA1y4

LVM Snapshot in RHEL:
https://www.youtube.com/watch?v=CJJwbnFuM5A

Reset Root Password in RHEL 8:
https://www.youtube.com/watch?v=H-JFJ0_DSTw

Logical Volume Management in RHEL 8:
https://www.youtube.com/watch?v=zVI8WGEI0dE

Configure VNC in RHEL:
https://www.youtube.com/watch?v=vEPamNvFFpc

Create Swap File in RHEL 8:
https://www.youtube.com/watch?v=Uz5sv6Qwa7I
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