{"id":2647,"date":"2019-04-19T18:22:26","date_gmt":"2019-04-19T15:22:26","guid":{"rendered":"https:\/\/kifarunix.com\/?p=2647"},"modified":"2024-03-11T22:38:32","modified_gmt":"2024-03-11T19:38:32","slug":"how-to-manually-install-oracle-java-12-on-debian-9-8-ubuntu-18-04","status":"publish","type":"post","link":"https:\/\/kifarunix.com\/how-to-manually-install-oracle-java-12-on-debian-9-8-ubuntu-18-04\/","title":{"rendered":"How to Manually Install Oracle Java 12 on Debian 9.8\/Ubuntu 18.04"},"content":{"rendered":"\n<p>This guide will walk you through how to manually install Oracle JDK 12 on Debian 9.8\/Ubuntu 18.04. As much you can install the open-source Oracle Java JDK 12 automatically using package manager as demonstrated in our previous guide, <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/kifarunix.com\/install-oracle-java-12-on-ubuntu-18-04-debian-9-8\/\" target=\"_blank\">Install Oracle Java 12 on Ubuntu 18.04\/Debian 9.8<\/a>, you can as well install it from the official repository as shown in this guide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Install Oracle Java 12 on Debian 9.8\/Ubuntu 18.04<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Download Oracle Java 12<\/h3>\n\n\n\n<p>Navigate to <a rel=\"noreferrer noopener\" aria-label=\"Oracle Java 12 downloads page (opens in a new tab)\" href=\"https:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/jdk12-downloads-5295953.html\" target=\"_blank\">Oracle Java 12 downloads page<\/a> and download the official Oracle Java 12 package for Debian based systems. You can however grab the download link and download it using <strong>wget<\/strong> if you are downloading it to a remote server.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>wget --no-check-certificate -c --header \"Cookie: oraclelicense=accept-securebackup-cookie\" https:\/\/download.oracle.com\/otn-pub\/java\/jdk\/12.0.1+12\/69cfe15208a647278a19ef0990eea691\/jdk-12.0.1_linux-x64_bin.deb<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Install Oracle Java 12 on Debian 9.8\/Ubuntu 18.04<\/h3>\n\n\n\n<p>Once the download is done, run the installation by executing the command below;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>sudo apt install .\/jdk-12.0.1_linux-x64_bin.deb<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Set Java 12 Default Location<\/h3>\n\n\n\n<p>In order to configure Oracle Java 12 default locations on Debian 9.8\/Ubuntu 18.04, run the command below;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>sudo update-alternatives --install \"\/usr\/bin\/java\" \"java\" \"\/usr\/lib\/jvm\/jdk-12.0.1\/bin\/java\" 0<br>sudo update-alternatives --install \"\/usr\/bin\/javac\" \"javac\" \"\/usr\/lib\/jvm\/jdk-12.0.1\/bin\/javac\" 0<br>sudo update-alternatives --install \"\/usr\/bin\/jar\" \"jar\" \"\/usr\/lib\/jvm\/jdk-12.0.1\/bin\/jar\" 0<br><\/code><\/pre>\n\n\n\n<p>Oracle Java 12 is now installed. You can verify its version by running the command below;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>java --version<br> java 12.0.1 2019-04-16<br> Java(TM) SE Runtime Environment (build 12.0.1+12)<br> Java HotSpot(TM) 64-Bit Server VM (build 12.0.1+12, mixed mode, sharing)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Create JAVA_HOME Environment Variable<\/h3>\n\n\n\n<p>To create Oracle Java 12 home environment variable, edit the environment variables configuration file and add the line below;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>vim \/etc\/environment<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>JAVA_HOME=\"\/usr\/lib\/jvm\/jdk-12.0.1\"<\/code><\/pre>\n\n\n\n<p>Reload the environment variables using the command below;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>source \/etc\/environment<\/code><\/pre>\n\n\n\n<p>Verify the Environment Variable<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>echo $JAVA_HOME<br>\/usr\/lib\/jvm\/jdk-12.0.1<\/code><\/pre>\n\n\n\n<p>That is all about how to install Oracle Java 12 on Debian 9.8\/Ubuntu 18.04.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This guide will walk you through how to manually install Oracle JDK 12 on Debian 9.8\/Ubuntu 18.04. As much you can install the open-source Oracle<\/p>\n","protected":false},"author":1,"featured_media":10534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[121,795],"tags":[5086,797,832,799,796],"class_list":["post-2647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-howtos","category-java","tag-how-to-manually-install-oracle-java-12-on-debian-9-8-ubuntu-18-04","tag-java","tag-jdk-12","tag-jre","tag-oracle-java-12","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"_links":{"self":[{"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/posts\/2647"}],"collection":[{"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/comments?post=2647"}],"version-history":[{"count":2,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/posts\/2647\/revisions"}],"predecessor-version":[{"id":21143,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/posts\/2647\/revisions\/21143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/media\/10534"}],"wp:attachment":[{"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/media?parent=2647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/categories?post=2647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kifarunix.com\/wp-json\/wp\/v2\/tags?post=2647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}