nethogs: add page

Added sudo

pages/linux/nethogs.md

@@ -0,0 +1,19 @@
+# nethogs
+
+> Monitor bandwidth usage per process
+
+- Start nethogs as root (default device is eth0)
+
+`sudo nethogs`
+
+- Monitor bandwidth on specific device
+
+`sudo nethogs {{device}}`
+
+- Monitor bandwidth on multiple devices
+
+`sudo nethogs {{device1}} {{device2}}`
+
+- Specify refresh rate
+
+`sudo nethogs -t {{seconds}}`