You can use the standard mjpg-streamer but it can't read from the camera module directly and therefore you need to save a file and then read it back. This would be a fast way to wear out your your SD card. I knew there had to be a better solution. Then low and behold I found this:
He wrote a module that allows you to stream directly from the camera module. It's not the fastest but it works.
From your home directory:
git clone https://github.com/jacksonliam/mjpg-streamer
$ cd mjpg-streamer/mjpg-experimental
$ make clean all
$ export LD_LIBRARY_PATH=. $ ./mjpg_streamer -o "output_http.so -w ./www" -i "input_raspicam.so"
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I created a mjpg.sh file in my home directory that contains the above and then made it executable:
$ nano mjpg.sh
#!/bin/bash cd ~/mjpg-streamer/mjpg-streamer-experimental export LD_LIBRARY_PATH=. ./mjpg_streamer -o "output_http.so -w ./www" -i "input_raspicam.so"
$ chmod +x ./mjpg.sh
You could also add this to crontab to have it start with the system.
$ crontab -e
You can use VLC as a streaming client but there is a much greater delay due to buffering. This might be adjustable, I just haven't checked yet.