Installing Apache Tomcat

Apache Tomcat is a popular and reliable open‑source web server that specializes in running Java applications. On ruachost.com, you can install Tomcat to host Java Servlets, JavaServer Pages (JSP), and WebSocket applications.

Why Use Apache Tomcat?

Lightweight and stable Java HTTP web server.
Supports Servlets, JSP, and WebSockets.
Backed by a large online support community.
Ideal for local development and production environments.

Steps to Install Apache Tomcat

Step 1: Install Java Development Kit (JDK)

Tomcat requires Java. Ensure the JDK is installed:

sudo apt update
sudo apt install default-jdk

Verify installation:

java -version

Step 2: Download Apache Tomcat

Navigate to the Apache Tomcat official site.
Select the version you want to install.
Download the Windows Service Installer (for Windows) or the tar.gz/zip package (for Linux/macOS).

Step 3: Install Tomcat

On Windows
Section titled “On Windows”
1. Run the installer.
2. Select components (Start Menu Items, Manager, Host Manager).
3. Configure service name and shutdown port.
4. Provide the JDK installation path.
On Linux/macOS
Section titled “On Linux/macOS”
1. Extract the archive:
  Terminal window
```
tar xzvf apache-tomcat-10.x.xx.tar.gz
```
2. Move it to /opt/tomcat:
  Terminal window
```
sudo mv apache-tomcat-10.x.xx /opt/tomcat
```

Step 4: Configure Environment Variables

Add Tomcat environment variables to your shell profile:

export CATALINA_HOME=/opt/tomcat

Step 5: Start Tomcat

On Linux/macOS:
Terminal window
```
$CATALINA_HOME/bin/startup.sh
```
On Windows: Tomcat runs as a service; start it from Services or the Monitor Tomcat tool.

Step 6: Verify Installation

Open a browser and go to:

http://localhost:8080/

You should see the Tomcat welcome page.