Ubuntu Mate 18.04 - nema zvuka ili djelomični zvuk - fix:
1.
sudo apt-get remove --purge alsa-base pulseaudio
2.
sudo apt-get install alsa-base pulseaudio
3.
sudo alsa force-reload
4. Reboot.
---
5. Ako nestane indikator zvuka:
sudo apt-get install indicator-sound
6. Indikator zvuk vidljiv na panelu:
gsettings set com.canonical.indicator.sound visible true
7. Reboot.
[TESTIRANO NA: Ubuntu Mate 18.04]