Setting Environment Variables for a systemd Service: Difference between revisions
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=Internal= | =Internal= | ||
* [[Systemd_Concepts#Environment|systemd Concepts]] | |||
* [[ | * [[Systemd_Operations#Setting_Environment_Variables_for_a_systemd_Service|systemd Operations]] | ||
=Overview= | =Overview= | ||
This document describes the procedure of configuring a < | This document describes the procedure of configuring a <code>systemd</code> service by injecting custom environment variables into its environment. The document assumes we're configuring a service named "myservice". | ||
=Create the Configuration Directory and the Configuration File= | =Create the Configuration Directory and the Configuration File= | ||
Create a directory < | Create a directory <code>/etc/systemd/system/myservice.service.d</code>. Inside that directory create a <code>.conf</code> file. Multiple files are allowed. These files contains configuration overrides for any part of the unit shipped by the distribution. | ||
A file that contains environment variables could be named < | A file that contains environment variables could be named <code>env.conf</code>. <code>myservice.conf</code> is also an acceptable name. | ||
{{Note|Note that if the configuration directory exists and is empty, the service will be disabled.}} | |||
=Configuration File Content= | =Configuration File Content= | ||
<syntaxhighlight lang='bash'> | |||
< | |||
[Service] | [Service] | ||
Environment="JAVA_HOME=/opt/java" | Environment="JAVA_HOME=/opt/java" | ||
Environment="JBOSS_HOME=/opt/jboss" | Environment="JBOSS_HOME=/opt/jboss" | ||
</ | </syntaxhighlight> | ||
Latest revision as of 22:22, 19 August 2023
Internal
Overview
This document describes the procedure of configuring a systemd service by injecting custom environment variables into its environment. The document assumes we're configuring a service named "myservice".
Create the Configuration Directory and the Configuration File
Create a directory /etc/systemd/system/myservice.service.d. Inside that directory create a .conf file. Multiple files are allowed. These files contains configuration overrides for any part of the unit shipped by the distribution.
A file that contains environment variables could be named env.conf. myservice.conf is also an acceptable name.
Note that if the configuration directory exists and is empty, the service will be disabled.
Configuration File Content
[Service]
Environment="JAVA_HOME=/opt/java"
Environment="JBOSS_HOME=/opt/jboss"