{"id":1580,"date":"2025-01-06T14:06:48","date_gmt":"2024-11-27T19:07:30","guid":{"rendered":""},"modified":"2025-02-02T00:46:17","modified_gmt":"2025-02-01T23:46:17","slug":"s-dan-installeres-apache-hadoop-p-ubuntu-22-04","status":"publish","type":"post","link":"https:\/\/netcloud24.com\/knowledgebase\/s-dan-installeres-apache-hadoop-p-ubuntu-22-04\/","title":{"rendered":"S\u00e5dan installeres Apache Hadoop p\u00e5 Ubuntu 22.04"},"content":{"rendered":"<p>\u00a0<\/p>\n<\/p>\n<h1>\u00a0<\/h1>\n<p>I denne vejledning vil vi gennemg\u00e5, hvordan du kan installere Apache Hadoop, et popul\u00e6rt rammev\u00e6rk til distribueret databehandling, p\u00e5 en Ubuntu 22.04-server. Denne installation kan v\u00e6re s\u00e6rligt nyttig for brugere af en <a href=\"https:\/\/netcloud24.com?language=danish&amp;currency=4\">VPS-server<\/a>.<\/p>\n<h2>Foruds\u00e6tninger<\/h2>\n<ul>\n<li>Ubuntu 22.04 installeret p\u00e5 din server.<\/li>\n<li>Root-adgang eller sudo-rettigheder.<\/li>\n<li>Java installeret (Hadoop kr\u00e6ver Java 8 eller h\u00f8jere).<\/li>\n<li>En aktiv internetforbindelse.<\/li>\n<\/ul>\n<h2>Trin 1: Opdater systemet<\/h2>\n<p>F\u00f8rst skal du opdatere dit system for at sikre, at alle pakker er opdaterede:<\/p>\n<pre><code>sudo apt update &amp;&amp; sudo apt upgrade -y<\/code><\/pre>\n<h2>Trin 2: Installer Java<\/h2>\n<p>Installer OpenJDK:<\/p>\n<pre><code>sudo apt install openjdk-11-jdk -y<\/code><\/pre>\n<h2>Trin 3: Download Hadoop<\/h2>\n<p>Download den nyeste version af Hadoop fra Apache&#8217;s officielle hjemmeside:<\/p>\n<pre><code>wget https:\/\/downloads.apache.org\/hadoop\/common\/hadoop-3.3.1\/hadoop-3.3.1.tar.gz<\/code><\/pre>\n<h2>Trin 4: Udpak Hadoop<\/h2>\n<p>Udpak den downloadede fil:<\/p>\n<pre><code>tar -xzvf hadoop-3.3.1.tar.gz<\/code><\/pre>\n<h2>Trin 5: Flyt Hadoop til \/usr\/local<\/h2>\n<p>Flyt Hadoop-mappen til \/usr\/local:<\/p>\n<pre><code>sudo mv hadoop-3.3.1 \/usr\/local\/hadoop<\/code><\/pre>\n<h2>Trin 6: Konfigurer milj\u00f8variabler<\/h2>\n<p>Rediger din .bashrc-fil for at tilf\u00f8je Hadoop-milj\u00f8variabler:<\/p>\n<pre><code>nano ~\/.bashrc<\/code><\/pre>\n<p>Tilf\u00f8j f\u00f8lgende linjer til slutningen af filen:<\/p>\n<pre><code># Hadoop\r\nexport HADOOP_HOME=\/usr\/local\/hadoop\r\nexport PATH=$PATH:$HADOOP_HOME\/bin\r\nexport JAVA_HOME=\/usr\/lib\/jvm\/java-11-openjdk-amd64<\/code><\/pre>\n<p>Anvend \u00e6ndringerne:<\/p>\n<pre><code>source ~\/.bashrc<\/code><\/pre>\n<h2>Trin 7: Konfigurer Hadoop<\/h2>\n<p>Kopier konfigurationsfilerne:<\/p>\n<pre><code>cd $HADOOP_HOME\/etc\/hadoop\r\ncp *-site.xml.template *-site.xml<\/code><\/pre>\n<p>Rediger core-site.xml for at konfigurere HDFS:<\/p>\n<pre><code>nano core-site.xml<\/code><\/pre>\n<p>Tils\u00e6t f\u00f8lgende konfiguration:<\/p>\n<pre><code>&lt;configuration&gt;\r\n  &lt;property&gt;\r\n      &lt;name&gt;fs.defaultFS&lt;\/name&gt;\r\n      &lt;value&gt;hdfs:\/\/localhost:9000&lt;\/value&gt;\r\n  &lt;\/property&gt;\r\n&lt;\/configuration&gt;<\/code><\/pre>\n<h2>Trin 8: Start Hadoop d\u00e6moner<\/h2>\n<p>K\u00f8r f\u00f8lgende kommandoer for at starte HDFS og YARN d\u00e6moner:<\/p>\n<pre><code>$HADOOP_HOME\/sbin\/start-dfs.sh\r\n$HADOOP_HOME\/sbin\/start-yarn.sh<\/code><\/pre>\n<h2>Afslutning<\/h2>\n<p>Dine Hadoop-applikationer er nu installeret og klar til brug. Denne l\u00f8sning kan v\u00e6re s\u00e6rligt nyttig for dem, der \u00f8nsker at udf\u00f8re distribueret databehandling fra en <a href=\"https:\/\/netcloud24.com?language=danish&amp;currency=4\">VPS-server<\/a>.<\/p>\n<p><a href=\"https:\/\/de.netcloud24.com\/\" target=\"_blank\">Windows VPS Deutschland<\/a><\/p>\n<p><a href=\"https:\/\/es.netcloud24.com\/\" target=\"_blank\">Windows VPS Espa\u00f1a<\/a><\/p>\n<p><a href=\"https:\/\/nl.netcloud24.com\/\" target=\"_blank\">Windows VPS Nederland<\/a><\/p>\n<p><a href=\"https:\/\/it.netcloud24.com\/\" target=\"_blank\">Windows VPS Italia<\/a><\/p>\n<p><a href=\"https:\/\/pt.netcloud24.com\/\" target=\"_blank\">Windows VPS Portugal<\/a><\/p>\n<p><a href=\"https:\/\/it.netcloud24.com\/\" target=\"_blank\">VPS Windows Italia<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS Sverige<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS Norge<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS T\u00fcrkiye<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows RDS (Remote Desktop Services)<\/a><\/p>\n<p><a href=\"https:\/\/ie.netcloud24.com\" target=\"_blank\">Windows VPS<\/a><\/p>\n<div class=\"post-author-box\" style=\"border-top:1px solid #ddd;margin-top:20px;padding-top:15px;\">\n<p><strong>Author:<\/strong> \u0141ukasz Bodziony<\/p>\n<p><strong>Website:<\/strong> <a href=\"https:\/\/ca.netcloud24.com\" target=\"_blank\" rel=\"dofollow\">Windows VPS<\/a><\/p>\n<p><em>\u0141ukasz Bodziony is the CEO and founder of <a href=\"https:\/\/netcloud24.com\" target=\"_blank\" rel=\"dofollow\">NETCLOUD24<\/a>, a global VPS hosting brand proudly originating from Poland. With extensive experience in cloud computing, virtualization, and server management, he delivers high-performance <strong>Windows VPS<\/strong> and <strong>Remote Desktop Services (RDS)<\/strong> solutions to clients across Europe, North America, and beyond.<\/em><\/p>\n<p><em>His expertise covers a wide range of technologies, including <strong>Microsoft Azure<\/strong>, <strong>Proxmox VE<\/strong>, <strong>Amazon Web Services (AWS)<\/strong>, and numerous other virtualization and cloud platforms.<\/em><\/p>\n<p><em>Beyond running his hosting business, \u0141ukasz also provides <strong>professional paid server configuration and optimization services<\/strong> for companies and individuals. Outside of work, he is dedicated to caring for his children and building a secure future for them.<\/em><\/p>\n<p><em>If you are interested in working with him or need expert assistance with your hosting, cloud environment, or server setup, feel free to reach out via <a href=\"https:\/\/ca.netcloud24.com\" target=\"_blank\" rel=\"dofollow\">Windows VPS<\/a>.<\/em><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 \u00a0 I denne vejledning vil vi gennemg\u00e5, hvordan du kan installere Apache Hadoop, et popul\u00e6rt rammev\u00e6rk til distribueret databehandling, p\u00e5 en Ubuntu 22.04-server. Denne installation kan v\u00e6re\u2026<\/p>\n","protected":false},"author":1,"featured_media":3421,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[],"tags":[14,12,11,23,20,21,22,17,7,8,6,10,18,19,15,24,16,5,13,9],"class_list":["post-1580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-cheapvps","tag-cloudvps","tag-hostingvps","tag-rds","tag-rdscal","tag-remotedesktop","tag-remotedesktopvps","tag-servervps","tag-ukvps","tag-virtualserver","tag-vpshosting","tag-vpsserver","tag-vpssolutions","tag-vpswindows","tag-vpswithwindows","tag-windowsrds","tag-windowsserver","tag-windowsvps","tag-windowsvpshosting","tag-windowsvpsuk"],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts\/1580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/comments?post=1580"}],"version-history":[{"count":0,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts\/1580\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/media\/3421"}],"wp:attachment":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/media?parent=1580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/categories?post=1580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/tags?post=1580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}