ClickHouse is an open-source columnar database management system designed for high-performance data analytics. In this tutorial, we will guide you through the process of installing ClickHouse on Ubuntu 22.04.
- A Ubuntu 22.04 server with root privileges.
- Basic knowledge of the Linux command line.
Step 1: Update System Packages
Before installing any software, it’s important to ensure your system’s packages are up to date. Open a terminal and run the following commands:
sudo apt update sudo apt upgrade
Step 2: Add ClickHouse Repository
ClickHouse provides official repositories for various Linux distributions, including Ubuntu. Add the ClickHouse repository and import its GPG key with the following commands:
sudo apt install apt-transport-https sudo apt-key adv --keyserver keyserver.ubuntu.com --recv E0C56BD4 echo "deb https://repo.clickhouse.tech/deb/stable/ main/" | sudo tee /etc/apt/sources.list.d/clickhouse.list
Step 3: Install ClickHouse Server
After adding the repository, update your package list and install ClickHouse server:
sudo apt update sudo apt install clickhouse-server clickhouse-client
Step 4: Configure ClickHouse
ClickHouse’s main configuration file is located at
/etc/clickhouse-server/config.xml. Use your preferred text editor to edit this file and make necessary configurations.
Step 5: Start ClickHouse Server
Enable and start the ClickHouse server using the following commands:
sudo systemctl enable clickhouse-server sudo systemctl start clickhouse-server
Step 6: Test ClickHouse
You can test if ClickHouse is running properly by using the ClickHouse client. Run the following command:
This will open the ClickHouse client console. You can execute SQL queries here to interact with the database.
Step 7: Configure Firewall
If you have a firewall enabled, make sure to allow connections to ClickHouse’s ports (e.g., 8123 for HTTP interface and 9000 for native interface).
You have successfully installed ClickHouse on your Ubuntu 22.04 server. ClickHouse is now ready to store and process your analytical data efficiently. Remember that this guide covers a basic installation. Depending on your use case, you might need to explore further configurations and optimizations to maximize ClickHouse’s capabilities.