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Thread: snap apps not working, permission denied

  1. #1
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    snap apps not working, permission denied

    Hey

    since a recent updates all my snap apps dont start, seems like some permission error

    here an example from syslog

    May 29 13:21:20 thinkpad kernel: [430673.141822] audit: type=1400 audit(1622283680.205:3069): apparmor="DENIED" operation="open" profile="snap.signal-desktop.signal-desktop" name="/etc/fstab" pid=186478 comm="signal-desktop" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0


    what can i do

  2. #2
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    Re: snap apps not working, permission denied

    The above does not mean anything to me, try this in terminal.

    systemctl status snapd.service
    edit
    It's Apparmor I bet
    https://www.google.com/search?channe...b%22+pid%3D186
    Last edited by dddman; June 11th, 2021 at 04:53 PM.

  3. #3
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    Re: snap apps not working, permission denied

    https://github.com/snapcrafters/signal-desktop/issues/7 ?
    Signal doesn't like symbolic links. Could that be it?

    If you create a new Linux account, logout, login using the new Linux account, then connect to your normal signal userid, does it work? This basic troubleshooting will determine if the issue is for 1 userid or all userids on a system.

  4. #4
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    Re: snap apps not working, permission denied

    Quote Originally Posted by dddman View Post
    The above does not mean anything to me, try this in terminal.


    edit
    It's Apparmor I bet
    https://www.google.com/search?channe...b%22+pid%3D186

    Code:
    sudo systemctl status snapd.service
    [sudo] password for user: 
    ● snapd.service - Snap Daemon
         Loaded: loaded (/lib/systemd/system/snapd.service; enabled; vendor preset: enabled)
         Active: active (running) since Sat 2021-06-12 14:28:16 EEST; 2h 31min ago
    TriggeredBy: ● snapd.socket
       Main PID: 995 (snapd)
          Tasks: 26 (limit: 18745)
         Memory: 1.1G
         CGroup: /system.slice/snapd.service
                 └─995 /usr/lib/snapd/snapd
    
    Jun 12 14:28:15 thinkpad systemd[1]: Starting Snap Daemon...
    Jun 12 14:28:15 thinkpad snapd[995]: AppArmor status: apparmor is enabled but some kernel features are missing: dbus, network
    Jun 12 14:28:16 thinkpad snapd[995]: AppArmor status: apparmor is enabled but some kernel features are missing: dbus, network
    Jun 12 14:28:16 thinkpad snapd[995]: daemon.go:347: started snapd/2.50.1 (series 16; classic; devmode) ubuntu/21.04 (amd64) linux/5.12.0-051200rc3-generic.
    Jun 12 14:28:16 thinkpad snapd[995]: daemon.go:440: adjusting startup timeout by 1m45s (pessimistic estimate of 30s plus 5s per snap)
    Jun 12 14:28:16 thinkpad systemd[1]: Started Snap Daemon.
    Jun 12 14:28:48 thinkpad snapd[995]: autorefresh.go:467: Cannot prepare auto-refresh change due to a permanent network error: persistent network error: Post https://api.snapcraft.io/v2/snaps/refresh: dial tcp: lookup api.snapcraf>
    Jun 12 14:29:53 thinkpad snapd[995]: stateengine.go:150: state ensure error: persistent network error: Post https://api.snapcraft.io/v2/snaps/refresh: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
    Jun 12 14:53:18 thinkpad snapd[995]: storehelpers.go:551: cannot refresh: snap has no updates available: "core", "core18", "fwupd", "gnome-3-28-1804", "gnome-3-34-1804", "gtk-common-themes", "signal-desktop", "skype", "slack", "s>
    Jun 12 14:53:45 thinkpad snapd[995]: storehelpers.go:551: cannot refresh: snap has no updates available: "keepassxc", "zoom-client"

  5. #5
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    Re: snap apps not working, permission denied

    That error
    stateengine.go:150: state ensure error: persistent network error: Post https://api.snapcraft.io/v2/snaps/refresh: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
    Lead me here
    http://status.snapcraft.io/

  6. #6
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    Re: snap apps not working, permission denied

    snaps don't like it when the system isn't internet connected. Maybe switching to a similar, different, solution like appimages or flatpaks would solve the issue? Those 2 other solutions aren't as restrictive as snaps.

  7. #7
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    Re: snap apps not working, permission denied

    any idea what i can do now?

    Code:
    J]un 14 13:16:36 thinkpad kernel: [81461.134792] audit: type=1400 audit(1623665796.383:79): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/.config/user-dirs.dirs" pid=10701 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:16:36 thinkpad kernel: [81461.136560] audit: type=1400 audit(1623665796.387:80): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/Documents/" pid=10703 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:16:36 thinkpad kernel: [81461.225468] audit: type=1400 audit(1623665796.475:81): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/icons/" pid=10640 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:36 thinkpad kernel: [81461.226166] audit: type=1400 audit(1623665796.475:82): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/var/lib/snapd/desktop/icons/" pid=10640 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:36 thinkpad kernel: [81461.255025] audit: type=1400 audit(1623665796.503:83): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=10758 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:36 thinkpad kernel: [81461.256842] audit: type=1400 audit(1623665796.507:84): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=10760 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:37 thinkpad kernel: [81462.665843] audit: type=1400 audit(1623665797.915:85): apparmor="DENIED" operation="connect" profile="snap.vlc.vlc" pid=10770 comm="glxinfo" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/.X11-unix/X0" peer="unconfined"
    Jun 14 13:16:38 thinkpad kernel: [81462.965619] audit: type=1400 audit(1623665798.215:86): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/etc/pulse/client.conf" pid=10640 comm="vlc" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:38 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10640 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:16:38 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10640 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:16:59 thinkpad kernel: [81484.659238] audit: type=1400 audit(1623665819.907:93): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/.config/user-dirs.dirs" pid=10876 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:16:59 thinkpad kernel: [81484.668326] audit: type=1400 audit(1623665819.919:94): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/.config/user-dirs.dirs" pid=10896 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:16:59 thinkpad kernel: [81484.669879] audit: type=1400 audit(1623665819.919:95): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/Documents/" pid=10898 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:16:59 thinkpad kernel: [81484.703248] audit: type=1400 audit(1623665819.951:96): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/icons/" pid=10844 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:59 thinkpad kernel: [81484.703265] audit: type=1400 audit(1623665819.951:97): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/var/lib/snapd/desktop/icons/" pid=10844 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:59 thinkpad kernel: [81484.720771] audit: type=1400 audit(1623665819.971:98): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=10951 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:16:59 thinkpad kernel: [81484.722308] audit: type=1400 audit(1623665819.971:99): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=10953 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:00 thinkpad kernel: [81485.436030] audit: type=1400 audit(1623665820.683:100): apparmor="DENIED" operation="connect" profile="snap.vlc.vlc" pid=10963 comm="glxinfo" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/.X11-unix/X0" peer="unconfined"
    Jun 14 13:17:00 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10844 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:17:00 thinkpad kernel: [81485.473115] audit: type=1400 audit(1623665820.723:101): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/etc/pulse/client.conf" pid=10844 comm="vlc" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:00 thinkpad kernel: [81485.473148] audit: type=1400 audit(1623665820.723:102): apparmor="DENIED" operation="connect" profile="snap.vlc.vlc" pid=10844 comm="vlc" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/.X11-unix/X0" peer="unconfined"
    Jun 14 13:17:00 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10844 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:17:05 thinkpad kernel: [81490.032162] audit: type=1400 audit(1623665825.283:114): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/.config/user-dirs.dirs" pid=11030 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:17:05 thinkpad kernel: [81490.041786] audit: type=1400 audit(1623665825.291:115): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/.config/user-dirs.dirs" pid=11050 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:17:05 thinkpad kernel: [81490.043267] audit: type=1400 audit(1623665825.291:116): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/home/user/Documents/" pid=11052 comm="head" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
    Jun 14 13:17:05 thinkpad kernel: [81490.075063] audit: type=1400 audit(1623665825.323:117): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/icons/" pid=10998 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:05 thinkpad kernel: [81490.075086] audit: type=1400 audit(1623665825.323:118): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/var/lib/snapd/desktop/icons/" pid=10998 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:05 thinkpad kernel: [81490.090622] audit: type=1400 audit(1623665825.339:119): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=11105 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:05 thinkpad kernel: [81490.092306] audit: type=1400 audit(1623665825.343:120): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/usr/share/glib-2.0/schemas/" pid=11107 comm="desktop-launch" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:06 thinkpad kernel: [81490.815755] audit: type=1400 audit(1623665826.063:121): apparmor="DENIED" operation="connect" profile="snap.vlc.vlc" pid=11118 comm="glxinfo" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/.X11-unix/X0" peer="unconfined"
    Jun 14 13:17:06 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10998 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:17:06 thinkpad dbus-daemon[1202]: apparmor="DENIED" operation="dbus_method_call"  bus="session" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="RequestName" mask="send" name="org.freedesktop.DBus" pid=10998 label="snap.vlc.vlc" peer_label="unconfined"
    Jun 14 13:17:06 thinkpad kernel: [81490.848604] audit: type=1400 audit(1623665826.099:122): apparmor="DENIED" operation="open" profile="snap.vlc.vlc" name="/etc/pulse/client.conf" pid=10998 comm="vlc" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
    Jun 14 13:17:06 thinkpad kernel: [81490.848612] audit: type=1400 audit(1623665826.099:123): apparmor="DENIED" operation="connect" profile="snap.vlc.vlc" pid=10998 comm="vlc" family="unix" sock_type="stream" protocol=0 requested_mask="send receive connect" denied_mask="send connect" addr=none peer_addr="@/tmp/.X11-unix/X0" peer="unconfined"
    Last edited by shizow; June 14th, 2021 at 11:21 AM.

  8. #8
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    Re: snap apps not working, permission denied

    bump
    Last edited by QIII; 4 Weeks Ago at 11:31 AM.

  9. #9
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    Re: snap apps not working, permission denied

    Quote Originally Posted by shizow View Post
    bump
    You've been provided alternatives and a possible solution. Did you try those? How well did they work or not work? We can't read your mind.
    Saying or implying "it doesn't work" is lacking in
    * what you did
    * what the result was

    Need some details, please.

    I don't use telegram. Are there any related bugs open with that program or their snap package?

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