Allow non-root process to listen on port 80 without doing anything drastic
72612
Bind to ports less than 1024 without root access
140654
Giving access of a set of commands to a non-root user without sudo
16839
Port forward in terminal only
106229
How do I change the RDP listening port?
4285
Getting ssh to execute a command in the background on target machine
84298
persist port routing from 80 to 8080
86471
How can I Forward a subDomain to a specific port?
154450
Listen for incoming request on port on Linux, then run command
25928
Fedora 25 and disabling whatever is listening on port 111
141384
Best practices when running Node.js with port 80 (Ubuntu / Linode)
98136
Run program if connected to specific wifi?
139363
How can I deal with unwanted system applications without rooting?
157253
How do I allow non-root access to /ttyUSB0?
154784
Set Ubuntu System Proxy Settings without Restart from commandline
107951
Proxy SSH to hide endpoints
155780
Automatically initiate an outbound SSH connection on a server when a client connects
34632
How to limit the bandwidth on a per-application (or per-process) basis in OS X Yosemite?