Move pages under tldr, lint run.sh, update docs

tldr/linux/collectd

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# collectd
+
+> System statistics collection daemon.
+> More information: <https://collectd.org/>.
+
+- Test the configuration file and then exit:
+
+`collectd -t`
+
+- Test plugin data collection functionality and then exit:
+
+`collectd -T`
+
+- Start `collectd`:
+
+`collectd`
+
+- Specify a custom configuration file location:
+
+`collectd -C {{path/to/file}}`
+
+- Specify a custom PID file location:
+
+`collectd -P {{path/to/file}}`
+
+- Don't fork into the background:
+
+`collectd -f`
+
+- Display help and version:
+
+`collectd -h`