No sound from Ubuntu 18.04 / AWS

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  • #27220
    Avatareric.duveau
    Participant

    End A: ubuntu 20.04 |----internet ----| End B: ubuntu 18.04 / AWS

    On end B: after having configured :

    .`/etc/node.cfg

    root@ip-172-31-14-113:/usr/NX/etc# grep -i pulse node.cfg
    # be ‘pulseaudio’, ‘alsa’ or ‘disabled’ on Linux, and ‘nxaudio’ or
    AudioInterface pulseaudio
    # Specify path and name of the command to start PulseAudio server.
    CommandStartPulseAudio “/usr/bin/pulseaudio”
    root@ip-172-31-14-113:/usr/NX/etc# `

    I have the issue message: see the image below.

    and no sound on end A

    Could you help?

    #27241
    Avatareric.duveau
    Participant

    Recall of the situation: A is my desktop and B is my server.

    End A: ubuntu 20.04 |—-internet —-| End B: ubuntu 18.04 / AWS

    On end B: after having configured :

    root@ip-172-31-14-113:/usr/NX/etc/node.cfg

    root@ip-172-31-14-113:/usr/NX/etc# grep -i pulse node.cfg
    # be ‘pulseaudio’, ‘alsa’ or ‘disabled’ on Linux, and ‘nxaudio’ or
    AudioInterface pulseaudio
    # Specify path and name of the command to start PulseAudio server.
    CommandStartPulseAudio “/usr/bin/pulseaudio”
    root@ip-172-31-14-113:/usr/NX/etc#

    I have the issue message on End B when running pavucontrol: see the image below. and no sound on end A

    Could you help?

    #27297
    Avatarwitek
    Participant

    Hi,

    Are you trying to set up PulseAudio via root?

    By default PulseAudio is not intended to be run as root but you can try to use it in a system-wide mode.

    Edit the following variables in /etc/pulse/daemon.conf:

    – change daemonize = no to daemonize = yes

    – change system-instance = no to system-instance = yes

    Remember to remove ‘#’ or ‘;’ sign to uncomment line.

    After that reboot system and try to access pavucontrol.

    Please note that in some cases running PulseAudio in system-wide mode is not recommended.

    More information you can find here:

    https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/

    https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/WhatIsWrongWithSystemWide/

    #27451
    Avatareric.duveau
    Participant

    Hi witek

    I tried to follow your advice :

    root@ip-172-31-14-113:~# diff -u /etc/pulse/daemon.conf.ori /etc/pulse/daemon.conf.bad
    — /etc/pulse/daemon.conf.ori 2020-05-11 20:50:31.514050508 +0000

    +++ /etc/pulse/daemon.conf.bad 2020-05-13 21:15:11.245467189 +0000

    @@ -18,11 +18,13 @@

    ## commenting.

    ; daemonize = no

    +daemonize = yes

    ; fail = yes

    ; allow-module-loading = yes

    ; allow-exit = yes

    ; use-pid-file = yes

    ; system-instance = no

    +system-instance = yes

    ; local-server-type = user

    ; enable-shm = yes

    ; enable-memfd = yes

    root@ip-172-31-14-113:~#

    But the Display Manager freezes after reboot and I event cannot login.

    #27501
    Avatareric.duveau
    Participant

    Hi witek

    I tried to follow your advice :

    ubuntu@ip-172-31-14-113:~$ sudo -i
    root@ip-172-31-14-113:~# diff -u /etc/pulse/daemon.conf.ori /etc/pulse/daemon.conf.bad
    — /etc/pulse/daemon.conf.ori 2020-05-11 20:50:31.514050508 +0000
    +++ /etc/pulse/daemon.conf.bad 2020-05-13 21:15:11.245467189 +0000
    @@ -18,11 +18,13 @@
    ## commenting.

    ; daemonize = no
    +daemonize = yes
    ; fail = yes
    ; allow-module-loading = yes
    ; allow-exit = yes
    ; use-pid-file = yes
    ; system-instance = no
    +system-instance = yes
    ; local-server-type = user
    ; enable-shm = yes
    ; enable-memfd = yes
    root@ip-172-31-14-113:~#

    But the Display Manager freezes after reboot and I event cannot login.

    #27565
    Avatareric.duveau
    Participant

    Hi since the version 6.10.12-1 of NoMachine it works well 🙂

    #27807
    AvatarBritgirl
    Keymaster

    Thanks for letting us know.

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