add the old snippet md files

old_snippets/restart-nginx.en.md

@@ -0,0 +1,22 @@
+---
+title: "restart nginx"
+date: 2021-02-07T00:33:09+01:00
+draft: false
+snippet_types:
+- nginx
+---
+
+Normally I use
+```shell
+$ sudo systemctl restart nginx
+```
+
+but recently I had to take more drastic measures.
+
+```shell
+sudo pkill -f nginx & wait $!
+sudo systemctl start nginx
+```
+
+source -- [stackoverflow](https://stackoverflow.com/questions/14972792/nginx-nginx-emerg-bind-to-80-failed-98-address-already-in-use)
+