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| <div class="toc-menu"></div> |
| </aside> |
| <main class="article default-main full-800" data-ceiling="topbar"> |
| <div class="article-banner"> |
| <p>You are viewing the documentation for a prerelease version.</p> |
| </div> |
| <div class="article-header"> |
| <nav class="crumbs" aria-label="breadcrumbs"> |
| <ul> |
| <li class="crumb">Cassandra</li> |
| <li class="crumb"><a href="../getting-started/index.html">Getting Started</a></li> |
| <li class="crumb"><a href="installing.html">Installing Cassandra</a></li> |
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| </ul> |
| </div> |
| </div> |
| <article class="doc"> |
| <h1 class="page">Installing Cassandra</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Apache Cassandra can be installed on a number of Linux distributions:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>AlmaLinux</p> |
| </li> |
| <li> |
| <p>Amazon Linux Amazon Machine Images (AMIs)</p> |
| </li> |
| <li> |
| <p>Debian</p> |
| </li> |
| <li> |
| <p>RedHat Enterprise Linux (RHEL)</p> |
| </li> |
| <li> |
| <p>SUSE Enterprise Linux</p> |
| </li> |
| <li> |
| <p>Ubuntu</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>This is not an exhaustive list of operating system platforms, nor is it prescriptive. |
| However, users are well-advised to conduct exhaustive tests if using a less-popular distribution of Linux. |
| Deploying on older Linux versions is not recommended unless you have previous experience with the older distribution in a production environment.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="prerequisites"><a class="anchor" href="#prerequisites"></a>Prerequisites</h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Install the latest version of Java 11 or Java 17, from one of the following locations:</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="https://www.oracle.com/java/technologies/javase/jdk11-archive-downloads.html">Oracle Java Standard Edition 11 Archived Version</a></p> |
| </li> |
| <li> |
| <p><a href="https://www.oracle.com/java/technologies/downloads/#java17">Oracle Java Standard Edition 17</a></p> |
| </li> |
| <li> |
| <p><a href="https://jdk.java.net/archive/">OpenJDK 11</a></p> |
| </li> |
| <li> |
| <p><a href="https://jdk.java.net/archive/">OpenJDK 17</a></p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic" start="1"> |
| <li> |
| <p>Verify the version of Java installed. For example:</p> |
| </li> |
| </ol> |
| </div> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset1_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset1_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset1_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ java -version</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset1_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">openjdk version "11.0.20" 2023-07-18 |
| OpenJDK Runtime Environment Temurin-11.0.20+8 (build 11.0.20+8) |
| OpenJDK 64-Bit Server VM Temurin-11.0.20+8 (build 11.0.20+8, mixed mode)</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>To use the CQL shell <code>cqlsh</code>, install the latest version of Python 3.8-3.11.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>To verify that you have the correct version of Python installed, type <code>python --version</code>.</p> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>Support for Python 2.7 is deprecated.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="choosing-an-installation-method"><a class="anchor" href="#choosing-an-installation-method"></a>Choosing an installation method</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>There are three methods of installing Cassandra that are common:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Docker image</p> |
| </li> |
| <li> |
| <p>Tarball binary file</p> |
| </li> |
| <li> |
| <p>Package installation (RPM, YUM)</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>If you are a current Docker user, installing a Docker image is simple. |
| You’ll need to install Docker Desktop for Mac, Docker Desktop for Windows, or have <code>docker</code> installed on Linux. |
| Pull the appropriate image from the Docker Hub and start Cassandra with a <code>docker run</code> command.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For many users, installing the binary tarball is also a simple choice. |
| The tarball unpacks all its contents into a single location with binaries and configuration files located in their own subdirectories. |
| The most obvious advantage of a tarball installation is that it does not require <code>root</code> permissions and can be installed on any Linux |
| distribution.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Packaged installations require <code>root</code> permissions, and are most appropriate for production installs. |
| Install the RPM build on CentOS and RHEL-based distributions if you want to install Cassandra using YUM. |
| Install the Debian build on Ubuntu and other Debian-based distributions if you want to install Cassandra using APT.</p> |
| </div> |
| <div class="admonitionblock warning"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-warning" title="Warning"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>Note that both the YUM and APT methods required <code>root</code> permissions and will install the binaries and configuration files as the <code>cassandra</code> OS user.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="install-with-docker"><a class="anchor" href="#install-with-docker"></a>Install with Docker</h2> |
| <div class="sectionbody"> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Pull the docker image. For the latest image, use:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">docker pull cassandra:latest</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>This <code>docker pull</code> command will get the latest version of the official Docker |
| Apache Cassandra image available from the <a href="https://hub.docker.com/_/cassandra">Dockerhub</a>.</p> |
| </div> |
| </li> |
| <li> |
| <p>Start Cassandra with a <code>docker run</code> command:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">docker run --name cass_cluster cassandra:latest</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The <code>--name</code> option will be the name of the Cassandra cluster created. |
| This example uses the name <code>cass_cluster</code>.</p> |
| </div> |
| </li> |
| <li> |
| <p>Start the CQL shell, <code>cqlsh</code> to interact with the Cassandra node created:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">docker exec -it cass_cluster cqlsh</code></pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="install-tarball-file"><a class="anchor" href="#install-tarball-file"></a>Install tarball file</h2> |
| <div class="sectionbody"> |
| <div class="olist arabic"> |
| <ol class="arabic" start="1"> |
| <li> |
| <p>Verify the version of Java installed. For example:</p> |
| </li> |
| </ol> |
| </div> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset2_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset2_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset2_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ java -version</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset2_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">openjdk version "11.0.20" 2023-07-18 |
| OpenJDK Runtime Environment Temurin-11.0.20+8 (build 11.0.20+8) |
| OpenJDK 64-Bit Server VM Temurin-11.0.20+8 (build 11.0.20+8, mixed mode)</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Download the binary tarball from one of the mirrors on the <a href="http://cassandra.apache.org/download/">Apache Cassandra Download</a> site. |
| For example, to download Cassandra 4.0:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ curl -OL http://apache.mirror.digitalpacific.com.au/cassandra/4.0.0/apache-cassandra-4.0.0-bin.tar.gz</code></pre> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>The mirrors only host the latest versions of each major supported release. |
| To download an earlier version of Cassandra, visit the <a href="http://archive.apache.org/dist/cassandra/">Apache Archives</a>.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| <li> |
| <p>OPTIONAL: Verify the integrity of the downloaded tarball using one of the methods <a href="https://www.apache.org/dyn/closer.cgi#verify">here</a>. |
| For example, to verify the hash of the downloaded file using GPG:</p> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset3_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset3_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset3_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ gpg --print-md SHA256 apache-cassandra-4.0.0-bin.tar.gz</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset3_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">apache-cassandra-4.0.0-bin.tar.gz: 28757DDE 589F7041 0F9A6A95 C39EE7E6 |
| CDE63440 E2B06B91 AE6B2006 14FA364D</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Compare the signature with the SHA256 file from the Downloads site:</p> |
| </div> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset4_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset4_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset4_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ curl -L https://downloads.apache.org/cassandra/4.0.0/apache-cassandra-4.0.0-bin.tar.gz.sha256</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset4_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-console hljs" data-lang="console">28757dde589f70410f9a6a95c39ee7e6cde63440e2b06b91ae6b200614fa364d</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Unpack the tarball:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ tar xzvf apache-cassandra-4.0.0-bin.tar.gz</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The files will be extracted to the <code>apache-cassandra-4.0.0/</code> directory. |
| This is the tarball installation location.</p> |
| </div> |
| </li> |
| <li> |
| <p>Located in the tarball installation location are the directories for the scripts, binaries, utilities, configuration, data and log files:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext"><tarball_installation>/ |
| bin/ <i class="conum" data-value="1"></i><b>(1)</b> |
| conf/ <i class="conum" data-value="2"></i><b>(2)</b> |
| data/ <i class="conum" data-value="3"></i><b>(3)</b> |
| doc/ |
| interface/ |
| javadoc/ |
| lib/ |
| logs/ <i class="conum" data-value="4"></i><b>(4)</b> |
| pylib/ |
| tools/ <i class="conum" data-value="5"></i><b>(5)</b></code></pre> |
| </div> |
| </div> |
| <div class="colist arabic"> |
| <table> |
| <tr> |
| <td><i class="conum" data-value="1"></i><b>1</b></td> |
| <td>location of the commands to run cassandra, cqlsh, nodetool, and SSTable tools</td> |
| </tr> |
| <tr> |
| <td><i class="conum" data-value="2"></i><b>2</b></td> |
| <td>location of cassandra.yaml and other configuration files</td> |
| </tr> |
| <tr> |
| <td><i class="conum" data-value="3"></i><b>3</b></td> |
| <td>location of the commit logs, hints, and SSTables</td> |
| </tr> |
| <tr> |
| <td><i class="conum" data-value="4"></i><b>4</b></td> |
| <td>location of system and debug logs |
| <5>location of cassandra-stress tool</td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| <li> |
| <p>Start Cassandra:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ cd apache-cassandra-4.0.0/ && bin/cassandra</code></pre> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>This will run Cassandra as the authenticated Linux user.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| <li> |
| <p>Monitor the progress of the startup with:</p> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset5_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset5_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset5_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ tail -f logs/system.log</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset5_result"> |
| <div class="paragraph"> |
| <p>Cassandra is ready when you see an entry like this in the <code>system.log</code>:</p> |
| </div> |
| <div class="paragraph"> |
| <p>+</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">INFO [main] 2019-12-17 03:03:37,526 Server.java:156 - Starting listening for CQL clients on localhost/127.0.0.1:9042 (unencrypted)...</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>See <a href="../getting-started/configuring.html" class="page">configuring Cassandra</a> for configuration information.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Check the status of Cassandra:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ bin/nodetool status</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The status column in the output should report <code>UN</code> which stands for "Up/Normal".</p> |
| </div> |
| <div class="paragraph"> |
| <p>Alternatively, connect to the database with:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ bin/cqlsh</code></pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="install-as-debian-package"><a class="anchor" href="#install-as-debian-package"></a>Install as Debian package</h2> |
| <div class="sectionbody"> |
| <div class="olist arabic"> |
| <ol class="arabic" start="1"> |
| <li> |
| <p>Verify the version of Java installed. For example:</p> |
| </li> |
| </ol> |
| </div> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset6_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset6_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset6_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ java -version</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset6_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">openjdk version "11.0.20" 2023-07-18 |
| OpenJDK Runtime Environment Temurin-11.0.20+8 (build 11.0.20+8) |
| OpenJDK 64-Bit Server VM Temurin-11.0.20+8 (build 11.0.20+8, mixed mode)</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Add the Apache repository of Cassandra to the file <code>cassandra.sources.list</code>.</p> |
| <div class="paragraph"> |
| <p>The latest major version is {50_version} and the corresponding distribution name is <code>50x</code> (with an "x" as the suffix). |
| For older releases use:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><code>50x</code> for C* {50_version} series</p> |
| </li> |
| <li> |
| <p><code>41x</code> for C* {41_version} series</p> |
| </li> |
| <li> |
| <p><code>40x</code> for C* 4.0 series</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="paragraph"> |
| <p>For example, to add the repository for version {50_version} (<code>50x</code>):</p> |
| </div> |
| <div class="paragraph"> |
| <p>+</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ echo "deb [signed-by=/etc/apt/keyrings/apache-cassandra.asc] https://debian.cassandra.apache.org 50x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list |
| deb https://debian.cassandra.apache.org 50x main</code></pre> |
| </div> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Add the Apache Cassandra repository keys to the list of trusted keys on the server:</p> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset7_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset7_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset7_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ curl -o /etc/apt/keyrings/apache-cassandra.asc https://downloads.apache.org/cassandra/KEYS</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset7_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">% Total % Received % Xferd Average Speed Time Time Time Current |
| Dload Upload Total Spent Left Speed |
| 100 266k 100 266k 0 0 320k 0 --:--:-- --:--:-- --:--:-- 320k |
| OK</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Update the package index from sources:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ sudo apt-get update</code></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Install Cassandra with APT:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ sudo apt-get install cassandra</code></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Monitor the progress of the startup with:</p> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset8_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset8_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset8_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ tail -f logs/system.log</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset8_result"> |
| <div class="paragraph"> |
| <p>Cassandra is ready when you see an entry like this in the <code>system.log</code>:</p> |
| </div> |
| <div class="paragraph"> |
| <p>+</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">INFO [main] 2019-12-17 03:03:37,526 Server.java:156 - Starting listening for CQL clients on localhost/127.0.0.1:9042 (unencrypted)...</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>See <a href="../getting-started/configuring.html" class="page">configuring Cassandra</a> for configuration information.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Check the status of Cassandra:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ nodetool status</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The status column in the output should report <code>UN</code> which stands for "Up/Normal".</p> |
| </div> |
| <div class="paragraph"> |
| <p>Alternatively, connect to the database with:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ cqlsh</code></pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="install-as-rpm-package"><a class="anchor" href="#install-as-rpm-package"></a>Install as RPM package</h2> |
| <div class="sectionbody"> |
| <div class="olist arabic"> |
| <ol class="arabic" start="1"> |
| <li> |
| <p>Verify the version of Java installed. For example:</p> |
| </li> |
| </ol> |
| </div> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset9_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset9_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset9_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ java -version</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset9_result"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">openjdk version "11.0.20" 2023-07-18 |
| OpenJDK Runtime Environment Temurin-11.0.20+8 (build 11.0.20+8) |
| OpenJDK 64-Bit Server VM Temurin-11.0.20+8 (build 11.0.20+8, mixed mode)</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Add the Apache repository of Cassandra to the file <code>/etc/yum.repos.d/cassandra.repo</code> (as the <code>root</code> user).</p> |
| <div class="paragraph"> |
| <p>The latest major version is {50_version} and the corresponding distribution name is <code>50x</code> (with an "x" as the suffix). |
| For older releases use:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><code>50x</code> for C* {50_version} series</p> |
| </li> |
| <li> |
| <p><code>41x</code> for C* {41_version} series</p> |
| </li> |
| <li> |
| <p><code>40x</code> for C* 4.0 series</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="paragraph"> |
| <p>For example, to add the repository for version {50_version} (<code>50x</code>):</p> |
| </div> |
| <div class="paragraph"> |
| <p>+</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">[cassandra] |
| name=Apache Cassandra |
| baseurl=https://redhat.cassandra.apache.org/42x/ |
| gpgcheck=1 |
| repo_gpgcheck=1 |
| gpgkey=https://downloads.apache.org/cassandra/KEYS</code></pre> |
| </div> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Update the package index from sources:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ sudo yum update</code></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Install Cassandra with YUM:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ sudo yum install cassandra</code></pre> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>A new Linux user <code>cassandra</code> will get created as part of the installation. |
| The Cassandra service will also be run as this user.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| <li> |
| <p>Start the Cassandra service:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ sudo service cassandra start</code></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Monitor the progress of the startup with:</p> |
| <div class="tabset is-loading"> |
| <div class="ulist tabs"> |
| <ul> |
| <li> |
| <p><a id="tabset10_command"></a>Command</p> |
| </li> |
| <li> |
| <p><a id="tabset10_result"></a>Result</p> |
| </li> |
| </ul> |
| </div> |
| <div class="content"> |
| <div class="tab-pane" aria-labelledby="tabset10_command"> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ tail -f logs/system.log</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="tab-pane" aria-labelledby="tabset10_result"> |
| <div class="paragraph"> |
| <p>Cassandra is ready when you see an entry like this in the <code>system.log</code>:</p> |
| </div> |
| <div class="paragraph"> |
| <p>+</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-plaintext hljs" data-lang="plaintext">INFO [main] 2019-12-17 03:03:37,526 Server.java:156 - Starting listening for CQL clients on localhost/127.0.0.1:9042 (unencrypted)...</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>See <a href="../getting-started/configuring.html" class="page">configuring Cassandra</a> for configuration information.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Check the status of Cassandra:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ nodetool status</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The status column in the output should report <code>UN</code> which stands for "Up/Normal".</p> |
| </div> |
| <div class="paragraph"> |
| <p>Alternatively, connect to the database with:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-shell hljs" data-lang="shell">$ cqlsh</code></pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="further-installation-info"><a class="anchor" href="#further-installation-info"></a>Further installation info</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>For help with installation issues, see the <a href="#cassandra:troubleshooting/index.html">Troubleshooting</a> section.</p> |
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