Changes

::First, copying the unit file from    <code>/usr/lib/systemd/system</code> to  <code>/etc/systemd/system</code> and modifying the chosen settings.  

::First, copying the unit file from    <code>/usr/lib/systemd/system</code> to  <code>/etc/systemd/system</code> and modifying the chosen settings.  

::Second, one can create a directory named <code>''<code>unit</code>''.d/</code> within <code>/etc/systemd/system</code> and place a drop-in file <code>''<code>name</code>''.conf</code> there that only changes the specific settings one is interested in. Note that multiple such drop-in files are read if present, processed in lexicographic order of their filename.

::Second, one can create a directory named <code>''<code>unit</code>''.d/</code> within <code>/etc/systemd/system</code> and place a drop-in file there <code>''<code>name</code>''.conf</code> that only changes the specific settings one is interested in. Note that multiple such drop-in files are read if present, processed in lexicographic order of their filename.

:The advantage of the first method is that one easily overrides the complete unit, the vendor unit is not parsed at all anymore. It has the disadvantage that improvements to the unit file by the vendor are not automatically incorporated on updates.

:The advantage of the first method is that one easily overrides the complete unit, the vendor unit is not parsed at all anymore. It has the disadvantage that improvements to the unit file by the vendor are not automatically incorporated on updates.