How to install Apache tomcat 8.5.30 on linux step by step guide

In this tutorial we learn how to install apache tomcat 8.5.30 on linux step by step. So first we have to know what is apache tomcat

What is Apache tomcat

Apache tomcat is an open source software which is used to deploy java servlets and jsp.apache is used for http service and tomcat acts as a sevrlets used for java technology.

Installation methods of apache tomcat 8.5.30 on linux

Step1: we need to check java version before installing apache tomcat 8.5.30. To check the java version we execute the below command.

[root@localhost ~]# java -version

openjdk version "1.8.0_191"

OpenJDK Runtime Environment (build 1.8.0_191-b12)

OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode)

Step2: After checking the java version we need to download apache tomcat 8.5.30 tar package and exact the package into the /tmp folder. To download the packages we use wget if it is not installed on system ,to install it execute the below command.

[root@localhost ~]# yum install wget

[root@localhost tmp]# wget https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.30/bin/apache-tomcat-8.5.30.tar.gz

--2018-12-08 07:26:37-- https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.30/bin/apache-tomcat-8.5.30.tar.gz

Resolving archive.apache.org... 163.172.17.199

Connecting to archive.apache.org|163.172.17.199|:443... connected.

HTTP request sent, awaiting response... 200 OK

Length: 9541892 (9.1M) [application/x-gzip]

Saving to: “apache-tomcat-8.5.30.tar.gz”

100%[======================================>] 9,541,892 210K/s in 53s

2018-12-08 07:27:32 (176 KB/s) - “apache-tomcat-8.5.30.tar.gz” saved [9541892/9541892]

To extract the package we need to execute the below command.

[root@localhost tmp]# tar -xvf apache-tomcat-8.5.30.tar.gz

After extract the tar package we got the below directory

[root@localhost tmp]# ll

total 8780

drwxr-xr-x. 9 root root 4096 Dec 8 07:03 apache-tomcat-8.5.30

Step3: after completed the above steps move the directory to /opt folder. To move the directory to opt we execute the below command

[root@localhost tmp]# mv apache-tomcat-8.5.30 /opt

Step4: now go to the /opt/ apache-tomcat-8.5.30/bin directory and execute startup.sh script to start the apache tomcat service.

[root@localhost bin]# ./startup.sh

Using CATALINA_BASE: /opt/apache-tomcat-8.5.30

Using CATALINA_HOME: /opt/apache-tomcat-8.5.30

Using CATALINA_TMPDIR: /opt/apache-tomcat-8.5.30/temp

Using JRE_HOME: /usr

Using CLASSPATH: /opt/apache-tomcat-8.5.30/bin/bootstrap.jar:/opt/apache-tomcat-8.5.30/bin/tomcat-juli.jar

Tomcat started.

Step5: After starting the service we need to check that apache tomcat port is listening or not to use the below command.

[root@localhost ~]# netstat -tulpn | grep 8080

tcp 0 0 :::8080 :::* LISTEN 1584/java

From the above output we saw that apache tomcat service is listening 8080 port.

Step6: After that you need to allow 8080 port in iptables .In my case iptables is not running.

For reference for iptables on linux go to below link.

https://techrideradmin.blogspot.com/2018/10/iptables-firewall-rule-chains-configuration-guide-on-linux-with-examples-for-beginners.html

Step7: After completed all the above stuff we verify through web browser.open the web browser and type http://serverip:8080

In our case server ip is 192.168.137.3