Learn how to install WebLogic 14c on Red Hat Enterprise Linux (RHEL) 8 with this step-by-step guide. Ensure a smooth installation process with detailed instructions and troubleshooting tips. #centlinux #linux #weblogic
Table of Contents
What is Oracle WebLogic Server?
Oracle WebLogic Server is a Java EE (Java Platform, Enterprise Edition) application server developed by Oracle Corporation. It is a robust, scalable, and high-performance platform used for deploying, running, and managing enterprise Java applications. WebLogic Server is a key component of Oracle’s Fusion Middleware portfolio and is widely used in enterprise environments for building and running distributed, multi-tiered, and mission-critical applications.
Key Features of Oracle WebLogic Server
- Java EE Compliance:
WebLogic Server fully supports the Java EE (now Jakarta EE) specification, providing a comprehensive set of APIs and services for developing enterprise applications, including servlets, JavaServer Pages (JSP), Enterprise JavaBeans (EJB), and more. - Scalability and Performance:
WebLogic Server is designed to handle high-volume, high-availability workloads. It supports clustering, load balancing, and failover, ensuring that applications can scale to meet growing demands. - Enterprise-Grade Security:
The server provides robust security features, including authentication, authorization, encryption, and auditing, to protect applications and data. - Management and Monitoring:
WebLogic Server includes tools like the WebLogic Server Administration Console and Oracle Enterprise Manager for managing and monitoring applications, servers, and resources. These tools provide real-time insights into performance, resource usage, and system health. - Integration Capabilities:
WebLogic Server integrates seamlessly with other Oracle products, such as Oracle Database, Oracle Coherence, and Oracle SOA Suite, as well as third-party systems and technologies. - Support for Cloud and Microservices:
WebLogic Server supports modern application architectures, including cloud-native development, containerization (e.g., Docker and Kubernetes), and microservices. - High Availability and Reliability:
Features like clustering, session replication, and transaction management ensure that applications remain available and reliable, even in the event of hardware or software failures. - Developer Productivity:
WebLogic Server provides tools and frameworks to simplify application development, testing, and deployment, including support for IDEs like Oracle JDeveloper and Eclipse.
![How to install Weblogic 14c on RHEL 8 1 How to install Weblogic 14c on Linux](https://centlinux.com/wp-content/uploads/2021/05/install-oracle-weblogic-server-14c-centos-rhel-1.jpg.webp)
Components of WebLogic Server
- WebLogic Server Instances: The runtime environment where applications are deployed and executed.
- Administration Server: Manages the configuration and deployment of applications across multiple server instances.
- Managed Servers: Host and run applications, managed by the Administration Server.
- Node Manager: A utility for starting, stopping, and monitoring Managed Servers.
- Clusters: Groups of Managed Servers that work together to provide scalability and high availability.
Use Cases
- Enterprise Applications: Hosting large-scale, mission-critical applications such as ERP, CRM, and financial systems.
- Web Applications: Running dynamic, data-driven web applications and services.
- Integration Platforms: Serving as a middleware layer for integrating disparate systems and services.
- Cloud-Native Applications: Supporting modern, cloud-based architectures and microservices.
Short History
Oracle WebLogic Server originated from BEA Systems, which developed the WebLogic Application Server. Oracle acquired BEA Systems in 2008, integrating WebLogic into its Fusion Middleware suite. Since then, Oracle has continued to enhance WebLogic Server, making it one of the most widely used application servers in the enterprise world.
Conclusion
Oracle WebLogic Server is a powerful, enterprise-grade platform for developing, deploying, and managing Java-based applications. Its scalability, reliability, and integration capabilities make it a preferred choice for organizations looking to build and run mission-critical applications in both traditional and modern cloud environments. Whether you’re developing web applications, microservices, or large-scale enterprise systems, WebLogic Server provides the tools and infrastructure needed to succeed.
Recommended Training: Oracle WebLogic 12c for Administrators from Chris Parent
![How to install Weblogic 14c on RHEL 8 2 506514 1ae8 3](https://img-c.udemycdn.com/course/480x270/506514_1ae8_3.jpg)
Environment Specification
We are using a minimal Red Hat Enterprise Linux 8 virtual machine with following specifications.
- CPU – 3.4 Ghz (2 cores)
- Memory – 4 GB
- Storage – 40 GB
- Operating System – Red Hat Enterprise Linux 8.4
- Hostname – weblogic-01.centlinux.com
- IP Address – 192.168.116.238 /24
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$569.00 (as of February 14, 2025 18:22 GMT +00:00 – More info)Update Linux Software Packages
Use a SSH client to connect with weblogic-01.centlinux.com machine as root user.
Update cache for all installed yum repositories.
# dnf makecache
Update Linux software packages by executing following command at bash prompt.
# dnf update -y
It may be possible that, the package manager may update the Linux Kernel. If it happens then, you should reboot your CentOS / RHEL 8 operating system with new Linux Kernel.
# reboot
After reboot, verify the Linux Kernel and Operating System versions.
# uname -r
4.18.0-305.el8.x86_64
# cat /etc/redhat-release
Red Hat Enterprise Linux release 8.4 (Ootpa)
Install Java EE on RHEL 8
Oracle WebLogic Server 14c is certified with Java Development Kit (JDK) 8 and 11. Therefore, you can install any of them on your Java EE application server.
Open Oracle JDK 11 Download Page in a web browser. You are also required to login to their website with a Single Sign-On credential.
![01-download-oracle-jdk-11 Java EE Downloads](https://centlinux.com/wp-content/uploads/2024/02/01-download-oracle-jdk-11-1024x475.png.webp)
Download your preferred version of JDK installation package and transfer it to your CentOS / Red Hat Linux server.
Now, install the downloaded packages as follows.
# dnf localinstall -y jdk-11.0.11_linux-x64_bin.rpm
Obtain the installation location of your Java software by executing following command.
# rpm -ql jdk-11.0.11_linux-x64_bin.rpm
Set the JAVA_HOME environment variable in /etc/profile and the current Linux shell.
# echo "export JAVA_HOME=/usr/java/jdk-11.0.11" >> /etc/profile
# export JAVA_HOME=/usr/java/jdk-11.0.11
Verify the active Java version on your operating system.
# java -version
java version "11.0.11" 2021-04-20 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.11+9-LTS-194)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.11+9-LTS-194, mixed mode)
Weblogic 14c Pre-Installation Tasks
Create the necessary operating system users and groups to own WebLogic software.
# groupadd -g 1001 oinstall
# useradd -u 1001 -g oinstall oracle
# passwd oracle
Changing password for user oracle.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.
Create a directory to install WebLogic software and set necessary permissions thereon.
# mkdir -p /u01/app/oracle/product/14.1.1
# chown -R oracle:oinstall /u01/app
# chmod -R 775 /u01
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$89.99 (as of February 14, 2025 18:22 GMT +00:00 – More info)Install Weblogic 14c on Linux
Go to Weblogic Download Page by using a web browser.
![02-download-oracle-weblogic-server-14c Oracle Weblogic Server Downloads](https://centlinux.com/wp-content/uploads/2024/02/02-download-oracle-weblogic-server-14c-1024x475.png.webp)
Download the Generic Installer for Oracle Weblogic 14c from above website and transfer it to your Linux server.
The downloaded package is in ZIP format, therefore, you may need the unzip utility to extract it.
Install unzip by using dnf command.
# dnf install -y unzip
Switch to oracle user.
# su - oracle
Edit .bash_profile of oracle user in vim text editor.
$ vi .bash_profile
Add following environment variables in this file.
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/14.1.1
export MW_HOME=$ORACLE_HOME
export WLS_HOME=$MW_HOME/wlserver
export DOMAIN_BASE=$ORACLE_HOME/user_projects/domains
export DOMAIN_HOME=$DOMAIN_BASE/base_domain
Execute the .bash_profile script to set environment variables for current Linux shell.
$ . ~/.bash_profile
Execute unzip command to extract Weblogic Generic Installer.
$ unzip fmw_14.1.1.0.0_wls_lite_Disk1_1of1.zip
Archive: fmw_14.1.1.0.0_wls_lite_Disk1_1of1.zip
inflating: fmw_14.1.1.0.0_wls_lite_generic.jar
Execute the Generic Installer JAR file by using following java command.
$ java -jar fmw_14.1.1.0.0_wls_lite_generic.jar
Launcher log file is /tmp/OraInstall2021-05-18_07-16-01AM/launcher2021-05-18_07-16-01AM.log.
Extracting the installer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Done
Checking if CPU speed is above 300 MHz. Actual 2394.575 MHz Passed
Checking monitor: must be configured to display at least 256 colors. Passed
Checking swap space: must be greater than 512 MB. Actual 2175 MB Passed
Checking temp space: must be greater than 300 MB. Actual 30559 MB Passed
Some system prerequisite checks failed.
You must fulfill these requirements before continuing.
Continue? (yes [y] / no [n]) [n]
y
You have confirmed that the product can be installed on this platform.
Continuing with the installation.
Preparing to launch the Oracle Universal Installer from /tmp/OraInstall2021-05-18_07-16-01AM
If you are installing on a Linux server with no graphical support, then you have to configure X11 forwarding by using PuTTY and XMing to get the graphical output at client console.
![03-orainventory-setup Oracle Inventory Setup](https://centlinux.com/wp-content/uploads/2024/02/03-orainventory-setup.png)
Set the OraInventory directory and click on ‘Next’ button.
![04-welcome-screen Weblogic 14c Installer Welcome Page](https://centlinux.com/wp-content/uploads/2024/02/04-welcome-screen.png)
You are on the welcome page. Click on ‘Next’.
![05-configure-auto-update Weblogic 14c Auto Updates](https://centlinux.com/wp-content/uploads/2024/02/05-configure-auto-update.png.webp)
Select ‘Skip Auto Updates’ and click ‘Next’.
![06-weblogic-installation-location Oracle Weblogic Server - Installation Location](https://centlinux.com/wp-content/uploads/2024/02/06-weblogic-installation-location.png.webp)
Set the Oracle Home directory here and move to ‘Next’ screen.
![07-choose-installation-type Oracle Weblogic Server - Installation Type](https://centlinux.com/wp-content/uploads/2024/02/07-choose-installation-type.png.webp)
Select the components that you want to install on your application server. You can either install Weblogic Server, Coherence or both.
![08-weblogic-prerequisites-checks Oracle Weblogic Server - Prerequisites Checks](https://centlinux.com/wp-content/uploads/2024/02/08-weblogic-prerequisites-checks.png.webp)
Click on ‘Next’.
![09-weblogic-installation-summary Oracle Weblogic Server - Installation Summary](https://centlinux.com/wp-content/uploads/2024/02/09-weblogic-installation-summary.png)
Click on ‘Install’ button.
![10-weblogic-installation-progress Oracle Weblogic Server - Installation Progress](https://centlinux.com/wp-content/uploads/2024/02/10-weblogic-installation-progress.png.webp)
Click on ‘Next’.
![11-weblogic-installation-complete Oracle Weblogic Server - Installation Completed](https://centlinux.com/wp-content/uploads/2024/02/11-weblogic-installation-complete.png)
Uncheck ‘Automatically Launch the Quickstart Configuration Wizard’ and click on ‘Finish’.
Post-Installation Configurations
If you are planning to deploy a Fusion Middleware product over your WebLogic application server, then you must skip the configuration step. Because the configurations will be performed by the respective FMW product.
Otherwise, you can configure WebLogic Server by executing following script.
$ /u01/app/oracle/product/14.1.1/oracle_common/common/bin/config.sh
![12-weblogic-create-domain Weblogic 14c - Create New Domain](https://centlinux.com/wp-content/uploads/2024/02/12-weblogic-create-domain.png.webp)
Create a Domain for your Weblogic application server.
![13-templates Weblogic 14c - Product Templates](https://centlinux.com/wp-content/uploads/2024/02/13-templates.png.webp)
Select a template to create the domain. Click ‘Next’.
![14-weblogic-administrative-account Weblogic 14c - Administrator Account](https://centlinux.com/wp-content/uploads/2024/02/14-weblogic-administrative-account.png.webp)
Set a strong password for Weblogic Server administrative user.
![15-domain-mode-and-jdk Weblogic 14c - Domain Mode and JDK](https://centlinux.com/wp-content/uploads/2024/02/15-domain-mode-and-jdk.png.webp)
Select the Domain Mode and JDK for your Application Server.
![16-weblogic-advanced-configurations Weblogic 14c - Advanced Configuration](https://centlinux.com/wp-content/uploads/2024/02/16-weblogic-advanced-configurations.png.webp)
Click on ‘Next’.
![17-wls-configuration-summary Weblogic 14c - Configuration Summary](https://centlinux.com/wp-content/uploads/2024/02/17-wls-configuration-summary.png.webp)
Click on ‘Create’.
![18-wls-configuration-progress Weblogic 14c - Configuration Progress](https://centlinux.com/wp-content/uploads/2024/02/18-wls-configuration-progress.png.webp)
Click on ‘Next’.
![19-wls-end-of-configurations Weblogic 14c - End of Configuration](https://centlinux.com/wp-content/uploads/2024/02/19-wls-end-of-configurations.png.webp)
Click on ‘Finish’.
WebLogic Server has been configured successfully.
To grant access of your application server to network clients, allow the default service port of WebLogic server in Linux firewall.
# firewall-cmd --permanent --add-port=7001/tcp
success
# firewall-cmd --reload
success
Whenever you start the Weblogic service, it will always ask you for a username / password.
To automate it, you can define the credentials in boot.properties file.
$ mkdir -p $DOMAIN_HOME/servers/AdminServer/security/
$ echo "username=weblogic" > $DOMAIN_HOME/servers/AdminServer/security/boot.properties
$ echo "password=weblogic123" >> $DOMAIN_HOME/servers/AdminServer/security/boot.properties
Start the Oracle Weblogic Server 14c by executing following script.
$ $DOMAIN_HOME/startWebLogic.sh &
Browse URL https://weblogic-01.centlinux.com:7001/console in a web browser e.g. Google Chrome.
![20-wls-administrative-console-login Weblogic 14c - Administration Console Login](https://centlinux.com/wp-content/uploads/2024/02/20-wls-administrative-console-login-1024x490.png.webp)
Login as Administrative user.
![21-wls-dashboard Weblogic 14c - Administration Console](https://centlinux.com/wp-content/uploads/2024/02/21-wls-dashboard-1024x619.png.webp)
You have reached at the Weblogic Administrative Console.
Read Also: How to install Weblogic 12c on CentOS 8
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$5.99 (as of February 14, 2025 18:22 GMT +00:00 – More info)Final Thoughts
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