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Install Couchbase Server on Red Hat Enterprise and CentOS

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    Couchbase Server can be installed on Red Hat Enterprise Linux and CentOS Linux for production and development use-cases. Root and non-root installations are supported.

    Use the instructions on this page to install Couchbase Server on Red Hat Enterprise Linux and CentOS platforms using Couchbase-provided RPM packages. The instructions support both Enterprise and Community editions.

    If you’re upgrading an existing installation of Couchbase Server, refer to Upgrading Couchbase Server.

    Before You Install

    Couchbase Server works out-of-the-box with most OS configurations. However, the procedures on this page assume the following:

    For production deployments, make sure to follow the deployment guidelines so that your systems and environment are properly sized and configured before installation.

    Basic Installation

    You must be logged in as root (superuser) or use sudo to run the installation commands.

    Install Using Yum

    The Red Hat package manager (yum) provides the simplest and most comprehensive way to install Couchbase Server on Red Hat Enterprise and CentOS platforms. This method involves downloading and installing a small meta package from Couchbase, which yum can then use to automatically download and install Couchbase Server and all of its dependencies.

    1. Download the meta package.

      curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm

    2. Install the meta package.

      sudo rpm -i ./couchbase-release-1.0-x86_64.rpm

      The meta package installs the necessary information for yum to be able to retrieve all of the necessary Couchbase Server installation packages and dependencies.

    3. Install Couchbase Server.

      • Enterprise

      • Community

      To install the latest release
      sudo yum install couchbase-server

      You’ll be prompted to start the download of Couchbase Server (plus any dependencies), as well as import several GPG keys. For each of these prompts, type y to accept and continue.

      To install a specific release

      1. List the available releases.

        yum list --showduplicates couchbase-server

        Available releases are listed with their full version-build number:

        couchbase-server.x86_64   6.0.0-1693

      2. Specify a release to install it.

        sudo yum install couchbase-server-version-build

        Using the example listing from the previous step, the resulting installation command would be:

        sudo yum install couchbase-server-6.0.0-1693

        You’ll be prompted to start the download of Couchbase Server (plus any dependencies), as well as import several GPG keys. For each of these prompts, type y to accept and continue.

      To install the latest release
      sudo yum install couchbase-server-community

      You’ll be prompted to start the download of Couchbase Server (plus any dependencies), as well as import several GPG keys. For each of these prompts, type y to accept and continue.

      To install a specific release

      1. List the available releases.

        yum list --showduplicates couchbase-server-community

        Available releases are listed with their full version-build number:

        couchbase-server-community.x86_64   6.0.0-1693

      2. Specify a release to install it.

        sudo yum install couchbase-server-community-version-build

        Using the example listing from the previous step, the resulting installation command would be:

        sudo yum install couchbase-server-community-6.0.0-1693

        You’ll be prompted to start the download of Couchbase Server (plus any dependencies), as well as import several GPG keys. For each of these prompts, type y to accept and continue.

      Once installation is complete, Couchbase Server will start automatically (and will continue to start automatically at run levels 2, 3, 4, and 5, and explicitly shut down at run levels 0, 1, and 6). You can use the systemctl command (service on older operating systems) to start and stop the Couchbase Server service, as well as check the current status. Refer to Couchbase Server Startup and Shutdown for more information.

    4. Open a web browser and access the Couchbase Web Console to verify that the installation was successful and that the node is available.

    Install Using RPM Package

    Install Couchbase Server on Red Hat Enterprise and CentOS using a full RPM package provided by Couchbase.

    1. Download the appropriate package from the Couchbase downloads page.

    2. Install Couchbase Server.

      sudo yum install ./package-name.rpm

      If any Couchbase Server dependencies are missing on your system, yum will automatically download and install them as part of the installation process.

      Once installation is complete, Couchbase Server will start automatically (and will continue to start automatically at run levels 2, 3, 4, and 5, and explicitly shut down at run levels 0, 1, and 6). You can use the systemctl command (service on older operating systems) to start and stop the Couchbase Server service, as well as check the current status. Refer to Couchbase Server Startup and Shutdown for more information.

    3. Open a web browser and access the Couchbase Web Console to verify that the installation was successful and the node is available.

    Installing as Non-Root

    Non-root installation is performed identically for all supported Linux distributions, including Red Hat Enterprise and CentOS. For instructions, see Non-Root Install and Upgrade.

    Setting Max Process Limits

    On Red Hat Enterprise and CentOS, it’s recommended that you increase the maximum process limits for Couchbase.

    To set the process limits, create a .conf file in the /etc/security/limits.d directory (such as 91-couchbase.conf), and add the following values:

    couchbase soft nproc 4096
couchbase hard nproc 16384

    Next Steps

    Following installation and start-up of Couchbase Server, a node must be initialized and provisioned.

    • If it is the first node in a deployment, initialization and provisioning happens all at once when you create a cluster of one.

      Refer to Create a Cluster

    • If you already have an existing cluster, the node is initialized and provisioned when you add it to the cluster.

      Refer to Add a Node and Rebalance

    • Optionally, initialization can be performed explicitly and independently of provisioning, as a prior process, in order to establish certain configurations, such as custom disk-paths.

      Refer to Initialize a Node