{"id":905,"date":"2019-09-20T10:39:30","date_gmt":"2019-09-20T15:39:30","guid":{"rendered":"https:\/\/linuxhostsupport.com\/blog\/?p=905"},"modified":"2025-05-05T10:59:00","modified_gmt":"2025-05-05T15:59:00","slug":"how-to-install-apache-cassandra-on-ubuntu-18-04","status":"publish","type":"post","link":"https:\/\/linuxhostsupport.com\/blog\/how-to-install-apache-cassandra-on-ubuntu-18-04\/","title":{"rendered":"How to Install Apache Cassandra on Ubuntu 18.04"},"content":{"rendered":"<div id=\"linux-2835735894\" class=\"linux-before-1st-paragraph linux-entity-placement\" style=\"margin-top: 15px;margin-bottom: 15px;\"><a href=\"https:\/\/www.rosehosting.com\/managed-vps-hosting\/?mtm_campaign=blogs&#038;mtm_source=lhs&#038;mtm_medium=blog&#038;mtm_content=managed-vps&#038;mtm_cid=1339&#038;mtm_placement=inline\" aria-label=\"Untitled\"><img src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340090_NVMeGoogleAds_728x90_041322.jpg\" alt=\"\"  srcset=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340090_NVMeGoogleAds_728x90_041322.jpg 728w, https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340090_NVMeGoogleAds_728x90_041322-300x37.jpg 300w\" sizes=\"(max-width: 728px) 100vw, 728px\" width=\"728\" height=\"90\"  style=\"display: inline-block;\" \/><\/a><\/div><p>In this article, we will show you <strong>how to install Apache Cassandra on\u00a0Ubuntu 18.04<\/strong>.<\/p>\n<p><b><img decoding=\"async\" class=\"alignright size-full wp-image-911\" src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/installing-configuring-apache-cassandra-for-ubuntu18.04.jpg\" alt=\"\" width=\"150\" height=\"101\" \/>Apache Cassandra\u00a0<\/b>is an open-source NoSQL database manager which offers high availability and scalability by providing fault-tolerant multi-level cloud setup. It is useful for applications that will require a lot of data with redundancy but without compromising performance and security. There are several advantages that we&#8217;ll go over down below. Let&#8217;s begin with the installation.<\/p>\n<p><!--more--><\/p>\n<p>The main advantages of the <b>Apache Cassandra <\/b>database software against competing options are the following<b>:<\/b><\/p>\n<div class=\"col-lg-4 col-md-6 col-sm-6 col-xs-12\">\n<ul>\n<li>Distributed Nodes<\/li>\n<li class=\"TrT0Xe\">Replication Support<\/li>\n<li class=\"TrT0Xe\">Scalable<\/li>\n<li class=\"TrT0Xe\">Fault-Tolerant<\/li>\n<li>Data Consistency and Redundancy<\/li>\n<li>In-house Query Language (Cassandra Query Language)<\/li>\n<\/ul>\n<\/div>\n<p><b>Apache Cassandra <\/b>is developed by Apache Software Foundation using Java.<\/p>\n<p>It is licensed under Apache License 2.0. As of writing, the latest stable version of Apache Cassandra is 3.11.<\/p>\n<h2>Hardware Requirements<\/h2>\n<p>For this tutorial, we will be using an Ubuntu VPS. Before continuing, make sure that your server meets the following minimum or recommended hardware configuration.<\/p>\n<p>The basic rule for every application requirement is the more, the better, especially for busy databases. Apache Cassandra database software is CPU and RAM resource-intensive, and will perform better on CPUs with more cores, and servers with a greater capacity of RAM. It also requires RAM with ECC capability to avoid any memory-related code corruption. The minimum hardware requirement for a production server installation is 2 CPU cores and 8GB of RAM with ECC. The recommended amount of resources would be 8 CPU cores and 32GB of RAM or more with ECC.<\/p>\n<p>For disk setup, it is recommended to use a RAID 0 configuration to make use of the additional throughput that the setup can provide.<\/p>\n<h2>Step 1: Checking for Updates and Dependencies<\/h2>\n<p>To start with the installation, log in first to your server via SSH using your favorite terminal:<\/p>\n<pre>ssh [username]@[server_ip_address] -p [Port_Number]<\/pre>\n<p>Modify the <strong><code>[username]<\/code><\/strong>variable with the account name of a root-privileged user found on the server (or the root user itself), and replace the\u00a0<code><strong>[server_ip_address]<\/strong><\/code>\u00a0and <strong><code>[Port_Number]<\/code><\/strong> variables with the public facing IP address and SSH port number of your server.<\/p>\n<p>Before starting with the installation, it is best to update and upgrade all installed Ubuntu packages with their latest versions:<\/p>\n<pre>apt-get update\napt-get upgrade<\/pre>\n<p>It is also best to install Linux common libraries and dependencies to ensure we will not encounter any missing library or dependency issues during and for future installations.<\/p>\n<pre>apt-get install software-properties-common build-essential -y<\/pre>\n<h2>Step 2: Installing OpenJDK<\/h2>\n<p>To begin, we will need to install Java on our server since Apache Cassandra makes use of the Java VM. Currently, Apache Cassandra is not stable on the latest version of Java which is Java 11. For this, we will install Java 8 which is a reliable and stable version of Java.<\/p>\n<p>Fortunately, OpenJDK version 8 is included by default in Ubuntu&#8217;s repository. To proceed, type the following command:<\/p>\n<pre>apt-get install openjdk-8-jdk -y<\/pre>\n<p>Once the Java 8 package and requirements have been installed, verify our current active Java version:<\/p>\n<pre>java -version<\/pre>\n<p>The prompt should then output the following text:<br \/>\n<code><strong>openjdk version \"1.8.0_212\"<\/strong><strong><br \/>\nOpenJDK Runtime Environment (build 1.8.0_212-8u212-b03-0ubuntu1.18.04.1-b03)<\/strong><strong><br \/>\nOpenJDK 64-Bit Server VM (build 25.212-b03, mixed mode)<\/strong><br \/>\n<\/code><\/p>\n<h2>Step 3: Installing Apache Cassandra<\/h2>\n<p>Apache Cassandra repository is not available in Ubuntu by default. For this, we will need to download and activate its repository.<\/p>\n<p>First, we will need to add the GPG keys using the following command:<\/p>\n<pre>wget -q -O - https:\/\/www.apache.org\/dist\/cassandra\/KEYS | sudo apt-key add -<\/pre>\n<p>Second, use the following command to add and enable the Apache Cassandra repository. Please note that at the time of writing, the latest version of Apache Cassandra is v3.11.<\/p>\n<pre>sh -c 'echo \"deb http:\/\/www.apache.org\/dist\/cassandra\/debian 311x main\" &gt; \/etc\/apt\/sources.list.d\/cassandra.list'<\/pre>\n<p>To get the latest package from the repository, supply the Ubuntu update command:<\/p>\n<pre>apt-get update<\/pre>\n<p>Finally, install Apache Cassandra and additional packages and libraries it requires using this next line:<\/p>\n<pre>apt-get install cassandra -y<\/pre>\n<p>Verify the Apache Cassandra service is installed and running:<\/p>\n<pre>systemctl status cassandra<\/pre>\n<p><strong><code>\u25cf cassandra.service - LSB: distributed storage system for structured data<br \/>\nLoaded: loaded (\/etc\/init.d\/cassandra; generated)<br \/>\nActive: active (exited) since Sun 2019-05-19 18:36:31 CDT; 1min 50s ago<br \/>\nDocs: man:systemd-sysv-generator(8)<\/code><\/strong><\/p>\n<p>Make sure Apache Cassandra is enabled at boot\/startup:<\/p>\n<pre>systemctl enable cassandra<\/pre>\n<h2>Step 4: Configuring Apache Cassandra<\/h2>\n<p>The main configuration file for Apache Cassandra is located at<\/p>\n<pre>\/etc\/cassandra\/cassandra.yaml<\/pre>\n<p>Here are the parameters that can be modified:<\/p>\n<ul class=\"simple\">\n<li><strong><code class=\"docutils literal\"><span class=\"pre\">cluster_name<\/span><\/code><\/strong>: your preferred cluster name<\/li>\n<li><strong><code class=\"docutils literal\"><span class=\"pre\">seeds<\/span><\/code><\/strong>: set of IP address of nodes separated by a comma<\/li>\n<li><strong><code class=\"docutils literal\"><span class=\"pre\">storage_port<\/span><\/code><\/strong>: the data storage port, must be allowed in the firewall<\/li>\n<li><strong><code class=\"docutils literal\"><span class=\"pre\">listen_address<\/span><\/code><\/strong>: sets the port where Apache Cassandra should listen<\/li>\n<li><strong><code class=\"docutils literal\"><span class=\"pre\">native_transport_port<\/span><\/code><\/strong>: port for clients to connect with Cassandra, must also be allowed in the firewall<\/li>\n<\/ul>\n<h2>Step 5: Testing Apache Cassandra<\/h2>\n<p>Check if we can see the status using built-in <code>nodetool<\/code>\u00a0from the Apache Cassandra package. Nodetool is used for managing Apache Cassandra clusters. You can learn more about nodetool <a href=\"https:\/\/cassandra.apache.org\/doc\/latest\/cassandra\/troubleshooting\/use_nodetool.html\">here<\/a>.<\/p>\n<pre>nodetool status<\/pre>\n<p>Almost the same output should be produced as Apache Cassandra settings is at default.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-907\" src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_status.png\" alt=\"\" width=\"816\" height=\"102\" srcset=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_status.png 816w, https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_status-300x38.png 300w, https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_status-768x96.png 768w\" sizes=\"(max-width: 816px) 100vw, 816px\" \/><\/p>\n<p>To check the connection to our default cluster (Test Cluster), we will utilize Apache Cassandra&#8217;s built-in command line shell called <strong><code>cqlsh<\/code><\/strong>. It is used to interact with Apache Cassandra using its own query language called CQL (Cassandra Query Language)<\/p>\n<p>To get into the shell, type the following:<\/p>\n<pre>cqlsh<\/pre>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-908\" src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_cluster.png\" alt=\"\" width=\"569\" height=\"51\" srcset=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_cluster.png 569w, https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/cassandra_cluster-300x27.png 300w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/><\/p>\n<p>You should see almost the same output.<\/p>\n<p>That&#8217;s it<strong>&#8211; <\/strong>you now have a working Apache Cassandra cluster powered by Ubuntu 18.04. To learn more about setting up Apache Cassandra, check their official online documentation.<\/p>\n<hr \/>\n<p><img decoding=\"async\" class=\"alignleft size-full wp-image-912\" src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2019\/09\/expert-host-support-for-setup-help-with-apache-cassandra-linux-vps.jpg\" alt=\"\" width=\"150\" height=\"101\" \/>Of course, you don\u2019t have to <strong>install <b>Apache Cassandra <\/b>on Ubuntu 18.04<\/strong>if you use or have one of our <a href=\"https:\/\/linuxhostsupport.com\/monthly-server-management.html\">Managed Linux VPS Support<\/a> services, in which case\u00a0you can just ask our support team to install Apache Cassandra on your Ubuntu 18.04 server for you. They are available 24\/7 and will be able to help you with the installation.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>PS<\/strong>.<\/span> If you enjoyed reading this blog post on how to install Apache Cassandra on Ubuntu 18.04, feel free to share it on social networks using the share shortcuts, or simply leave a comment in the comments section. Thanks.<\/p><div id=\"linux-3031869710\" class=\"linux-after-8th-paragraph linux-entity-placement\" style=\"margin-top: 15px;margin-bottom: 15px;\"><a href=\"https:\/\/www.rosehosting.com\/managed-vps-hosting\/?mtm_campaign=blogs&#038;mtm_source=lhs&#038;mtm_medium=blog&#038;mtm_content=managed-vps&#038;mtm_cid=1340&#038;mtm_placement=inline\" aria-label=\"Untitled\"><img src=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340095_VPSGoogleAds_728x90_042622.jpg\" alt=\"\"  srcset=\"https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340095_VPSGoogleAds_728x90_042622.jpg 728w, https:\/\/linuxhostsupport.com\/blog\/wp-content\/uploads\/2020\/12\/1340095_VPSGoogleAds_728x90_042622-300x37.jpg 300w\" sizes=\"(max-width: 728px) 100vw, 728px\" width=\"728\" height=\"90\"  style=\"display: inline-block;\" \/><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we will show you how to install Apache Cassandra on\u00a0Ubuntu 18.04. Apache Cassandra\u00a0is an open-source NoSQL database manager which offers high availability and scalability by providing fault-tolerant multi-level cloud setup. It is useful for applications that will require a lot of data with redundancy but without compromising performance and security. There are [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":915,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Install Apache Cassandra on Ubuntu 18.04 | LinuxHostSupport<\/title>\n<meta name=\"description\" content=\"In this article, we will show you how to install Apache Cassandra on\u00a0Ubuntu 18.04. 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