How to Fix PulseAudio configured for per-user sessions … (warning) in Kali Linux and Debian

PulseAudio is a free cross-platform network sound server, targeting mostly POSIX-compliant operating systems meaning that it is a proxy for your sound applications. It allows you to do advanced operations on your sound data as it passes between your application and your hardware. Things like transferring the audio to a different machine, changing the sample format or channel count and mixing several sounds into one are easily achieved using a sound server.

PulseAudio is available in recent versions of several major linux distributions such as Kali Linux and debian.

Features

The main features includes:

1. Per-application volume controls
2. An extensible plugin architecture with support for loadable modules
3. Compatibility with many popular audio applications
4. Support for multiple audio sources and sinks
5. Low-latency operation and latency measurement
6. A zero-copy memory architecture for processor resource efficiency
7. Ability to discover other computers using PulseAudio on the local network and play sound through their speakers directly
8. Ability to change which output device an application plays sound through while the application is playing sound (without the application needing to support this, and indeed without even being aware that this happened)
9. A command-line interface with scripting capabilities
10. A sound daemon with command line reconfiguration capabilities
11. Built-in sample conversion and resampling capabilities
12. The ability to combine multiple sound cards into one
13. The ability to synchronize multiple playback streams
14. Bluetooth audio devices with dynamic detection
15. The ability to enable system wide equalization

The Warning Message during boot

My Kali Linux shows me this warning:

[warn] PulseAudio configured for per-user sessions ... (warning).

NOTE-Debian variants also shows similar warning during boot.

To fix this problem do as follows:

Open terminal and copy the following 

leafpad /etc/default/pulseaudio

Find this line:

PULSEAUDIO_SYSTEM_START=0

Replace 0 with 1

PULSEAUDIO_SYSTEM_START=1

where,
0 = don’t start in system mode, 1 = start in system mode

Finally Reboot(Restart)

NOTE- Still if you are having any trouble so, just comment below.

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