There is a really good writeup on systemd units here, which is unrelated to the original question but still good content: https://askubuntu.com/a/522630
Unfortunately I cannot leave a comment to the author because he deleted his post.
There is a really good writeup on systemd units here, which is unrelated to the original question but still good content: https://askubuntu.com/a/522630
Unfortunately I cannot leave a comment to the author because he deleted his post.
IMHO, if you can still see the answer, post a question that fits the answer (share-your-knowledge) and mark the answer as a community wiki. I'd support that if the answer is good.