{"id":1092,"date":"2019-11-20T14:18:10","date_gmt":"2019-11-20T20:18:10","guid":{"rendered":"https:\/\/www.linuxcloudvps.com\/blog\/?p=1092"},"modified":"2019-11-20T14:18:10","modified_gmt":"2019-11-20T20:18:10","slug":"how-to-install-asterisk-on-ubuntu-18-04","status":"publish","type":"post","link":"https:\/\/www.linuxcloudvps.com\/blog\/how-to-install-asterisk-on-ubuntu-18-04\/","title":{"rendered":"How to Install Asterisk on Ubuntu 18.04"},"content":{"rendered":"<p>In this article, we will show you\u00a0<strong>how to install Asterisk on an Ubuntu 18.04 <a href=\"https:\/\/www.linuxcloudvps.com\/cloud-vps.html\">Cloud VPS<\/a><\/strong>.<\/p>\n<p><strong><img decoding=\"async\" class=\"alignright wp-image-1098 size-full\" src=\"https:\/\/www.linuxcloudvps.com\/blog\/wp-content\/uploads\/2019\/11\/setting-up-asterisk-communication-software-for-ubuntu18.04-cloud-vps.jpg\" alt=\"\" width=\"140\" height=\"79\" \/>Asterisk<\/strong>\u00a0is a free-to-use and open-source framework for creating real-time communications related software and is proven to be stable and reliable by thousands of users, system administrators, and developers. It controls IP PBX systems, VoIP gateways, and other custom telephone systems. Asterisk-based communications systems are being used by general communication-based businesses, call centers, carriers, and government agencies. It is also widely used to connect to telephony services like public switched telephone network (PSTN) and voice over Internet Protocol (VoIP) services.<\/p>\n<p><strong>Asterisk<\/strong> is licensed under GPLv2 &#8211; it is also sponsored by Digium, which offers additional licenses. The install process might take some time, so let&#8217;s get started right away.<\/p>\n<p><!--more--><\/p>\n<h2>Prerequisites<\/h2>\n<p>Make sure your server met the following minimum requirements:<\/p>\n<ul>\n<li>1GB of RAM or higher<\/li>\n<li>1 or more CPU cores<\/li>\n<li>Fresh Ubuntu 18.04 Installation<\/li>\n<li>Account with root access<\/li>\n<\/ul>\n<h2>Step 1. Install Ubuntu Updates and Dependencies<\/h2>\n<p>Log in to your server via SSH:<\/p>\n<pre>ssh username@server_ip<\/pre>\n<p>If your VPS uses a custom SSH port number, append <code>-p port_number<\/code> to the end of the above command, and replace &#8220;<span style=\"color: #ff0000;\">port_number<\/span>&#8221; with your SSH port number.<\/p>\n<p>Before starting with the Asterisk installation, it is a good idea to update the system packages to their latest versions.<\/p>\n<pre>sudo apt-get update\r\nsudo apt-get upgrade<\/pre>\n<p>Install build-essential and dependencies by running the following command:<\/p>\n<pre>sudo apt-get install build-essential\r\nsudo apt-get install git-core subversion wget libjansson-dev sqlite autoconf automake libxml2-dev libncurses5-dev libtool<\/pre>\n<h3>Asterisk Versions<\/h3>\n<p>As of writing, the current LTS version of Asterisk is\u00a0<code>LTS version 16.x<\/code>. LTS versions are fully supported for 4 years, with one additional year of maintenance for security fixes. You can find out more information about Asterisk versions\u00a0<a href=\"https:\/\/wiki.asterisk.org\/wiki\/display\/AST\/Asterisk+Versions\" target=\"blank\" rel=\"noopener noreferrer\">here<\/a>.<\/p>\n<h2>Step 2. Downloading Asterisk<\/h2>\n<p>First, we need to change our installation directory.<\/p>\n<pre>cd \/usr\/src\/<\/pre>\n<p>We can download Asterisk source file from Asterisk&#8217;s official repository. Notice that the file name contains &#8220;current&#8221;, which means we will get the latest version starting from 16.x.<\/p>\n<pre>sudo wget https:\/\/downloads.asterisk.org\/pub\/telephony\/asterisk\/asterisk-16-current.tar.gz<\/pre>\n<p>Extract the files on the current directory.<\/p>\n<pre>sudo tar -zxvf asterisk-16-current.tar.gz<\/pre>\n<h2>Step 3. Installing Asterisk<\/h2>\n<p>Change directory to the extracted file.<\/p>\n<pre>cd asterisk-16.*\/<\/pre>\n<p>Asterisk source code provides a script that will install required dependencies automatically. To start, run the following command:<\/p>\n<pre>sudo contrib\/scripts\/install_prereq install<\/pre>\n<p>Note that it may ask some questions during dependencies installation.<br \/>\nUpon successful installation, you should see the following message:<br \/>\n<code>#############################################<br \/>\n## install completed successfully<br \/>\n#############################################<\/code><\/p>\n<h2>Step 4. Configuring and Compiling Asterisk<\/h2>\n<p>Next step is to run the <code>.\/configure<\/code> script, which will check your system for missing libraries and dependencies and prepare the Asterisk code for the build process specifically for your system:<\/p>\n<pre>sudo .\/configure<\/pre>\n<p>After a successful configuration, we can now start compiling. Installation will take some time.<\/p>\n<pre>sudo make\r\nsudo make install<\/pre>\n<p>After a successful installation, we can set up the sample configuration files using:<\/p>\n<pre>sudo make samples<\/pre>\n<p>The last step is to configure systemctl init scripts for managing Asterisk service and clear some cache:<\/p>\n<pre>sudo make config\r\nsudo ldconfig\r\n<\/pre>\n<h2>Step 5. Setting up non-root account for Asterisk<\/h2>\n<p>For security purposes, it is always recommended to run a service using a non-root account.<br \/>\nTo start, supply the following command. This will create user and group &#8220;asterisk&#8221; with the home directory set to <code>\/var\/lib\/asterisk<\/code>.<\/p>\n<pre>sudo groupadd asterisk\r\nsudo adduser --system --group --home \/var\/lib\/asterisk --no-create-home --gecos &quot;Asterisk PBX&quot; asterisk\r\n<\/pre>\n<p>Next is to add built-in Asterisk users (dialout and audio) to the &#8220;asterisk&#8221; group:<\/p>\n<pre>sudo usermod -a -G dialout,audio asterisk<\/pre>\n<p>To set up Asterisk to work with the newly created &#8220;asterisk&#8221; user, we need to modify two files:<\/p>\n<pre>sudo nano \/etc\/default\/asterisk<\/pre>\n<p>Uncomment the following lines and add the user you just have created:<code><br \/>\nAST_USER=\"asterisk\"<br \/>\nAST_GROUP=\"asterisk\"<\/code><\/p>\n<p>Then do the same in this file:<\/p>\n<pre>sudo nano \/etc\/asterisk\/asterisk.conf<\/pre>\n<p><code>runuser = asterisk<br \/>\nrungroup = asterisk<\/code><br \/>\nLastly, we will need to change the folder owner to the created user and set the correct permissions.<\/p>\n<pre>sudo chown -R asterisk: \/var\/{lib,log,run,spool}\/asterisk \/usr\/lib\/asterisk \/etc\/asterisk\r\nsudo chmod -R 750 \/var\/{lib,log,run,spool}\/asterisk \/usr\/lib\/asterisk \/etc\/asterisk\r\n<\/pre>\n<h3>Setting up Log Rotation<\/h3>\n<p>You can also set up and enable the log rotation script for Asterisk:<\/p>\n<pre>sudo make install-logrotate<\/pre>\n<h2>Step 6. Starting and Testing Asterisk<\/h2>\n<p>We should enable the Asterisk service to automatically start on server boot:<\/p>\n<pre>sudo systemctl enable asterisk<\/pre>\n<p>Now, let&#8217;s start the Asterisk service:<\/p>\n<pre>sudo systemctl start asterisk<\/pre>\n<p>To verify that Asterisk has been started, you should see &#8220;active (running)&#8221; message after running this command.<\/p>\n<pre>sudo systemctl status asterisk<\/pre>\n<pre>\u25cf asterisk.service - LSB: Asterisk PBX\r\n   Loaded: loaded (\/etc\/init.d\/asterisk; generated)\r\n   Active: &lt;code&gt;active (running)&lt;\/code&gt; since Tue 2018-12-25 20:16:30 CST; 9s ago Docs: man:systemd-sysv-generator(8) Process: 3509 ExecStart=\/etc\/init.d\/asterisk start (code=exited, status=0\/SUCC Tasks: 80 (limit: 1110) CGroup: \/system.slice\/asterisk.service \u2514\u25003522 \/usr\/sbin\/asterisk<\/pre>\n<p>To see if you can access Asterik&#8217;s CLI, run this:<\/p>\n<pre>sudo asterisk -rvvv<\/pre>\n<p>You should see that you are running Asterisk using non-root account:<\/p>\n<p><code>Running as user 'asterisk'<br \/>\nRunning under group 'asterisk'<\/code><\/p>\n<p>And that&#8217;s it. You have now successfully installed the latest version of Asterisk on your Ubuntu 18.04 Cloud VPS.<\/p>\n<hr \/>\n<p><img decoding=\"async\" class=\"alignleft size-full wp-image-1099\" src=\"https:\/\/www.linuxcloudvps.com\/blog\/wp-content\/uploads\/2019\/11\/managed-support-install-configure-maintenance-for-ubuntu-cloud-vps.jpg\" alt=\"\" width=\"140\" height=\"79\" \/>Of course, you don\u2019t have to\u00a0<strong>install Asterisk on Ubuntu 18.04<\/strong>\u00a0if you have\u00a0<a href=\"https:\/\/www.linuxcloudvps.com\/cloud-vps.html\">Ubuntu Cloud VPS Hosting<\/a>\u00a0with us. You can simply ask our support team to install Asterisk on Ubuntu 18.04 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 Asterisk on Ubuntu 18.04, or if you found it helpful, \u00a0feel free to share it on social networks using the share shortcuts, or simply leave a comment in the comments section. Thank you.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we will show you\u00a0how to install Asterisk on an Ubuntu 18.04 Cloud VPS. Asterisk\u00a0is a free-to-use and open-source framework for creating real-time communications related software and is proven to be stable and reliable by thousands of users, system administrators, and developers. It controls IP PBX systems, VoIP gateways, and other custom telephone &#8230; <a title=\"How to Install Asterisk on Ubuntu 18.04\" class=\"read-more\" href=\"https:\/\/www.linuxcloudvps.com\/blog\/how-to-install-asterisk-on-ubuntu-18-04\/\" aria-label=\"More on How to Install Asterisk on Ubuntu 18.04\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":1097,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"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 Asterisk on Ubuntu 18.04 | LinuxCloudVPS Blog<\/title>\n<meta name=\"description\" content=\"In this article, we will show you\u00a0how to install Asterisk on an Ubuntu 18.04 Cloud VPS. 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