How to choose software for video surveillance ip-cameras?

Question

CCTV

Good afternoon. Please advise free software (for Linux) for raising the DVR of two ip-cameras, from the possibilities you need to watch the cameras in real time, record video and view according to the calendar.

Answer 1

At one time I looked for it but did not find it, as a result, I used Smart PSS from under the vine.
In general, each manufacturer of DVRs makes its own software for viewing, so you need to dance from the company and see what they offer.

Answer 2

If everything is from scratch - in NASah such as qnap, synology has NVR capabilities (recording and viewing from network cameras). Total - both a storage and a writing ......