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            <h1>Install Zammad on Linux [Opensource Helpdesk Ticketing System]</h1>
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          <h2>What is Zammad?</h2>

<blockquote><em>Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and emails. -<a href="https://github.com/zammad/zammad" target="_blank">https://github.com/zammad/zammad</a></em></blockquote>

<h2>Installation</h2>

<ol>
	<li>Log into the Linux device</li>
	<li>Run the following commands in terminal
	<div class="codeBlock"># update software repositories<br />
	sudo apt update<br />
	# install available software updates<br />
	sudo apt upgrade<br />
	# install prerequisite packages<br />
	sudo apt install curl wget apt-transport-https gnupg -y<br />
	# add elasticsearch gpg key<br />
	wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo gpg --dearmor -o /usr/share/keyrings/elasticsearch-keyring.gpg<br />
	# add zammad gpg key<br />
	curl -fsSL https://dl.packager.io/srv/zammad/zammad/key | gpg --dearmor | sudo tee /etc/apt/keyrings/zammad.gpg&gt; /dev/null<br />
	# add elasticsearch apt repository<br />
	echo &quot;deb [signed-by=/usr/share/keyrings/elasticsearch-keyring.gpg] https://artifacts.elastic.co/packages/8.x/apt stable main&quot; | sudo tee /etc/apt/sources.list.d/elastic-8.x.list<br />
	# add zammad apt repository<br />
	echo &quot;deb [signed-by=/etc/apt/keyrings/zammad.gpg] https://dl.packager.io/srv/deb/zammad/zammad/stable/debian 12 main&quot;| sudo tee /etc/apt/sources.list.d/zammad.list<br />
	# update software repositories<br />
	sudo apt update<br />
	# list installed languages<br />
	locale | grep &quot;LANG=&quot;<br />
	# if not listed in the above output<br />
	# install en_US.UTF-8 and set as default locale<br />
	sudo apt install locales -y &amp;&amp; sudo locale-gen en_US.UTF-8 &amp;&amp; echo &quot;LANG=en_US.UTF-8&quot; &gt; sudo /etc/default/locale<br />
	# install supporting packages<br />
	sudo apt install libimlib2 elasticsearch postgresql postgresql-common redis-server nginx nodejs -y<br />
	# start and enable services<br />
	sudo systemctl enable postgresql --now &amp;&amp; sudo systemctl enable redis-server --now &amp;&amp; sudo systemctl enable nginx --now &amp;&amp; sudo systemctl enable elasticsearch --now<br />
	# update postgres max connections to 2000<br />
	sudo sed -i &#39;s/max_connections = 100/max_connections = 2000/&#39; /etc/postgresql/*/main/postgresql.conf<br />
	# restart postgres service<br />
	sudo systemctl restart postgresql<br />
	# install ingest-attachment for elasticsearch<br />
	sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install ingest-attachment<br />
	# restart elasticsearch service<br />
	sudo systemctl restart elasticsearch<br />
	# install zammad<br />
	sudo apt install zammad -y<br />
	# configure elasticsearch url<br />
	sudo zammad run rails r &quot;Setting.set(&#39;es_url&#39;, &#39;http://localhost:9200&#39;)&quot;<br />
	# rebuild elasticsearch search index<br />
	sudo zammad run rake zammad:searchindex:rebuild<br />
	# update server name in nginx config<br />
	# replace &lt;% SERVER DNS NAME %&gt; before executing<br />
	sudo sed -i &#39;s/server_name localhost;/server_name &lt;% SERVER DNS NAME %&gt;;/&#39; /etc/nginx/sites-available/zammad.conf<br />
	# restart nginx service<br />
	sudo systemctl restart nginx</div>
	</li>
	<li>Open a web browser and navigate to http://DNSorIP</li>
	<li>Click the Set up a new system button</li>
	<li>Enter a login, first name, last name, email address, password and check full permissions &gt; Click Create</li>
	<li>Complete the Organization details form &gt; Click Next</li>
	<li>Click Skip on the Email Notification screen</li>
	<li>Click Skip on the Connect Channels screen</li>
	<li>Welcome to Zammad</li>
</ol>

<p>Source: <a href="https://docs.zammad.org/en/latest/install/package.html" target="_blank">https://docs.zammad.org/en/latest/install/package.html</a></p>          </div>
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