Pekka Helenius (~Fincer):
Fix crucial issues of PacVis server default behavior
 - run the server as a user, not as root
   Root is not truly required and may cause serious security issues

 - remove non-working restart loop which renders the server unusable
 - increase memory limit. Adjust for your needs

--- a/pacvis@.service
+++ b/pacvis@.service
@@ -3,14 +3,12 @@
 After=network.target
 
 [Service]
-ExecStart=/usr/bin/pacvis -p %i
+User=%i
+ExecStart=/usr/bin/pacvis
+PrivateTmp=true
 
-# Limit memory at 400M to workaround pyalpm potential memory leak
-LimitAS=400M
-
-# Restart every >2 seconds to avoid StartLimitInterval failure
-RestartSec=2
-Restart=always
+# Limit memory at 1000M to workaround pyalpm potential memory leak
+LimitAS=1000M
 
 [Install]
-WantedBy=multi-user.target
+WantedBy=default.target