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Learn how to install and configure IntelliJ IDEA on RHEL 9 | CentOS 9. Follow this step-by-step guide with CLI examples, optimization tips, and performance tweaks for an efficient development environment.
IntelliJ IDEA is a powerful, feature-rich integrated development environment (IDE) designed for Java and other programming languages. Developed by JetBrains, it provides advanced coding assistance, debugging, and integration with various development tools. If you are using RHEL 9 or CentOS 9 and need a professional-grade IDE, IntelliJ IDEA is an excellent choice.
In this guide, we will walk you through the installation and configuration of IntelliJ IDEA on RHEL 9 and CentOS 9. This article is crafted with an SEO-focused approach to ensure it ranks high in search engine results.
Prerequisites |
Before proceeding with the installation, ensure your system meets the following requirements:
| Requirement | Description |
|---|---|
| OS | RHEL 9 / CentOS 9 |
| User Privileges | Sudo/root access |
| Memory | Minimum 2GB RAM (Recommended: 4GB or more) |
| Disk Space | At least 3GB free space |
| Java Runtime | OpenJDK 11 or newer |
Step 1: Update System Packages |
First, update your system’s security packages and reboot it:
sudo dnf update -y && sudo systemctl reboot
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Step 2: Install IntelliJ IDEA |
There are two main ways to install IntelliJ IDEA on RHEL 9 | CentOS 9: using Snap or via the tar.gz archive.
Method 1: Installing IntelliJ IDEA via Snap |
Snap is a package management system that makes installation easier. First, enable Snap on RHEL/CentOS 9:
Install EPEL on RHEL 9 |
sudo dnf install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
EPEL on CentOS 9 |
sudo dnf install -y epel-release
Install and Enable Snap |
sudo dnf install snapd -y
sudo systemctl enable --now snapd.socket
Once Snap is installed, install IntelliJ IDEA Community Edition:
sudo snap install intellij-idea-community --classic
For the Ultimate Edition:
sudo snap install intellij-idea-ultimate --classic
Troubleshooting Snap Install Error |
If you received the following error(s) (image below) during the install …
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Run the following commands:
sudo ln -s /var/lib/snapd/snap /snap
Then, try installing (community or ultimate) IntelliJ IDEA again:
sudo snap install intellij-idea-community --classic
Method 2: Installing IntelliJ IDEA via Tarball |
If you prefer to install IntelliJ IDEA manually, download the latest IntelliJ IDEA package:
wget https://download.jetbrains.com/idea/ideaIC-2023.1.tar.gz -O intellij.tar.gz
Extract the archive:
sudo tar -xvzf intellij.tar.gz -C /opt/
Move into the extracted directory:
cd /opt/idea-IC-*/bin/
Launch IntelliJ:
./idea.sh
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To run IntelliJ IDEA from anywhere, create a symbolic link:
sudo ln -s /opt/idea-IC-*/bin/idea.sh /usr/local/bin/intellij
Now, you can start IntelliJ IDEA with the command:
intellij
You may be prompted to enable a new UI once Intellij is launched. Click the Enable new UI button and the Restart button to launch the new UI:
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Set up Java Software Development Kit (SDK) |
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Enabling Plugins |
Enhance your development experience by installing essential plugins:
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To ensure IntelliJ IDEA runs smoothly on RHEL 9 | CentOS 9, apply these optimizations:
Increase Memory Allocation |
Edit the IntelliJ JVM options file:
vim ~/.idea.vmoptions
Modify the following values:
-Xms1024m
-Xmx4096m
-XX:ReservedCodeCacheSize=512m
Save and exit the file.
Create a Desktop Icon |
For easier access to IntelliJ IDEA and better desktop integration, you can create a desktop icon or shortcut that allows user access from the system’s Activities Menu:
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Photo by admingeek from Infotechys
If you need to remove IntelliJ IDEA:
For Snap: |
sudo snap remove intellij-idea-community
For Manual Installation: |
sudo rm -rf /opt/idea-IC-* /usr/local/bin/intellij
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