Painel KDE ausente na sessão Tigervnc VNC

Painel KDE ausente na sessão Tigervnc VNC

Quero obter acesso VNC a um servidor TigerVNC. Ambos os laptops rodam com ArchLinux sddm KDE xorg (não wayland) e levei um dia para colocar o servidor em execução e um Dolphin está abrindo - nada mais. meu arquivo xstartup contém o seguinte:

    #!/bin/sh
    # Run a generic session
    if [ -z "$MODE" ]
    then
            xsetroot -solid grey & #has impact on the background
            export XKB_DEFAULT_RULES=base #no impact
            export QT_XKB_CONFIG_ROOT=/usr/share/X11/xkb #no impact
            kstart5 plasmashell & #no impact
            konsole & #is opening
            firefox & #is opening
            xrandr --dpi 144 & #see no difference
            dbus-launch startplasma-x11 #this is what moves the needle rn :)

    fi

Eu inicio o servidor vncserver :1 -depth 24 -geometry 1920x1080 e acesso o servidor com o cliente remmina, o visualizador google vnc e KRDC com ip:port e a transmissão vnc tem uma aparência muito boa e o tempo de reação é bom. Só não consigo clicar com o botão direito na área de trabalho e não há barra de tarefas/o painel de plasma está faltando.

Posso iniciar aplicativos com o terminal como o Firefox, por exemplo, mas não com o painel de plasma de alguma forma. A tela de logout também funciona bem e posso sair e fazer login com gráficos e animações perfeitamente perfeitos.

insira a descrição da imagem aqui


Então, minha pergunta é: como faço para que o painel de plasma + desktop seja mostrado no servidor vnc ou como posso me conectar ao desktop original no tty1?

(Se eu acessar o laptop do servidor diretamente, ele funciona bem, o painel aparece e funciona perfeitamente. Eu também tenho um servidor gnome vnc instalado e funcionando em segundos - simplesmente me apaixonei pelo KDE e ele realmente funciona muito mais suave/mais rápido/ reativo que o gnome via vnc)

    [jack@nasa .vnc]$ cat nasa:1.log
    16/12/19 02:43:40 Xvnc version TightVNC-1.3.10
    16/12/19 02:43:40 Copyright (C) 2000-2009 TightVNC Group
    16/12/19 02:43:40 Copyright (C) 1999 AT&T Laboratories Cambridge
    16/12/19 02:43:40 All Rights Reserved.
    16/12/19 02:43:40 See http://www.tightvnc.com/ for information on TightVNC
    16/12/19 02:43:40 Desktop name 'X' (nasa:1)
    16/12/19 02:43:40 Protocol versions supported: 3.3, 3.7, 3.8, 3.7t, 3.8t
    16/12/19 02:43:40 Listening for VNC connections on TCP port 5901
    16/12/19 02:43:40 Listening for HTTP connections on TCP port 5801
    16/12/19 02:43:40   URL http://nasa:5801
    RandR extension missing
    qt.qpa.xcb: XKeyboard extension not present on the X server
    QApplication: invalid style override passed, ignoring it.
        Available styles: Breeze, qt5ct-style, Oxygen, Windows, Fusion
    Omitting both --window and --windowclass arguments is not recommended
    qt.qpa.xcb: XKeyboard extension not present on the X server
    qt.qpa.xcb: XKeyboard extension not present on the X server
    dbus-update-activation-environment: warning: error sending to systemd: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.systemd1 was not provided by any .service files
    QApplication: invalid style override passed, ignoring it.
        Available styles: Breeze, qt5ct-style, Oxygen, Windows, Fusion
    kdeinit5: preparing to launch '/usr/lib/kf5/klauncher'
    kdeinit5: Launched KLauncher, pid = 36797, result = 0
    kdeinit5: opened connection to :1
    kdeinit5: preparing to launch 'libkdeinit5_kded5'
    kdeinit5: Launched KDED, pid = 36814 result = 0
    kdeinit5: preparing to launch 'libkdeinit5_kcminit_startup'
    kdeinit5: Launched 'kcminit_startup', pid = 36816 result = 0
    kdeinit5: Got SETENV 'GTK_RC_FILES=/etc/gtk/gtkrc:/home/jack/.gtkrc:/home/jack/.config/gtkrc' from launcher.
    kdeinit5: Got SETENV 'GTK2_RC_FILES=/etc/gtk-2.0/gtkrc:/home/jack/.gtkrc-2.0:/home/jack/.config/gtkrc-2.0' from launcher.
    Xlib:  extension "XInputExtension" missing on display ":1".
    kdeinit5: Got SETENV 'XCURSOR_THEME=breeze_cursors' from launcher.
    kdeinit5: Got EXEC_NEW '/usr/bin/kaccess' from launcher.
    kdeinit5: preparing to launch '/usr/bin/kaccess'
    kdeinit5: PID 36816 terminated.
    kdeinit5: Got EXEC_NEW '/usr/lib/kf5/kconf_update' from launcher.
    kdeinit5: preparing to launch '/usr/lib/kf5/kconf_update'
    kdeinit5: PID 36867 terminated.
    kdeinit5: PID 36839 terminated.
    kdeinit5: Got SETENV 'SESSION_MANAGER=local/nasa:@/tmp/.ICE-unix/36864,unix/nasa:/tmp/.ICE-unix/36864' from launcher.
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/xembedsniproxy.desktop" ("/usr/bin/xembedsniproxy")
    Xlib:  extension "XInputExtension" missing on display ":1".
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/polkit-kde-authentication-agent-1.desktop" ("/usr/lib/polkit-kde-authentication-agent-1")
    Xlib:  extension "MIT-SCREEN-SAVER" missing on display ":1".
    Xlib:  extension "MIT-SCREEN-SAVER" missing on display ":1".
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/org.kde.plasmashell.desktop" ("/usr/bin/plasmashell")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/pam_kwallet_init.desktop" ("/usr/lib/pam_kwallet_init")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/pulseaudio.desktop" ("/usr/bin/start-pulseaudio-x11")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/restore_kmix_volumes.desktop" ("/usr/bin/kmixctrl", "--restore")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/org.kde.kdeconnect.daemon.desktop" ("/usr/lib/kdeconnectd")
    grep: .desktop: No such file or directory
    /usr/bin/start-pulseaudio-x11: line 27: [: : integer expression expected
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/org.kde.discover.notifier.desktop" ("/usr/lib/DiscoverNotifier")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/gmenudbusmenuproxy.desktop" ("/usr/bin/gmenudbusmenuproxy")
    [ERROR audio_thread_priority::rt_linux] setrlimit64: 1
    kdeinit5: Got EXEC_NEW '/usr/lib/DiscoverNotifier' from launcher.
    kdeinit5: preparing to launch '/usr/lib/DiscoverNotifier'

    16/12/19 02:43:45 Got connection from client 192.168.1.9
    16/12/19 02:43:45 Using protocol version 3.8
    16/12/19 02:43:45 Full-control authentication passed by 192.168.1.9
    16/12/19 02:43:45 Pixel format for client 192.168.1.9:
    16/12/19 02:43:45   32 bpp, depth 24, little endian
    16/12/19 02:43:45   true colour: max r 255 g 255 b 255, shift r 16 g 8 b 0
    16/12/19 02:43:45   no translation needed
    16/12/19 02:43:45 Using hextile encoding for client 192.168.1.9
    16/12/19 02:43:45 Enabling X-style cursor updates for client 192.168.1.9
    16/12/19 02:43:45 Enabling cursor position updates for client 192.168.1.9
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -131072
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -223
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -131071
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -131070
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -131069
    16/12/19 02:43:45 rfbProcessClientNormalMessage: ignoring unknown encoding -309
    kdeinit5: Got EXEC_NEW '/usr/bin/kmix' from launcher.
    kdeinit5: preparing to launch '/usr/bin/kmix'
    kdeinit5: PID 36966 terminated.
    The X11 connection broke: Unsupported extension used (code 2)
    XIO:  fatal IO error 2 (No such file or directory) on X server ":1"
          after 305 requests (282 known processed) with 0 events remaining.
    kdeinit5: Got EXEC_NEW '/usr/bin/korgac' from launcher.
    kdeinit5: preparing to launch '/usr/bin/korgac'
    XIO:  fatal IO error 2 (No such file or directory) on X server ":1"
          after 417 requests (417 known processed) with 0 events remaining.
    kdeinit5: Got EXEC_NEW '/usr/bin/dolphin' from launcher.
    kdeinit5: preparing to launch '/usr/bin/dolphin'
    XIO:  fatal IO error 0 (Success) on X server ":1"
          after 404 requests (376 known processed) with 0 events remaining.
    XIO:  fatal IO error 0 (Success) on X server ":1"
          after 336 requests (325 known processed) with 0 events remaining.
    kdeinit5: PID 36987 terminated.
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/powerdevil.desktop" ("/usr/lib/org_kde_powerdevil")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/gnome-shell-overrides-migration.desktop" ("/usr/lib/gnome-shell-overrides-migration.sh")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/light-locker.desktop" ("/usr/bin/light-locker")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/geoclue-demo-agent.desktop" ("/usr/lib/geoclue-2.0/demos/agent")
    org.kde.plasma.session: Starting autostart service  "/home/jack/.config/autostart/ignore-lid-switch-tweak.desktop" ("/usr/lib/gnome-tweak-tool-lid-inhibitor")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/org.kde.korgac.desktop" ("/usr/bin/korgac")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/tracker-miner-rss.desktop" ("/usr/lib/tracker-miner-rss")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/tracker-store.desktop" ("/usr/bin/gdbus", "call", "-e", "-d", "org.freedesktop.DBus", "-o", "/org/freedesktop/DBus", "-m", "org.freedesktop.DBus.StartServiceByName", "org.freedesktop.Tracker1", "0")

    ** (light-locker:37055): ERROR **: 02:43:47.104: Environment variable XDG_SESSION_PATH not set. Is LightDM running?
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/tracker-extract.desktop" ("/usr/lib/tracker-extract")
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/tracker-miner-fs.desktop" ("/usr/lib/tracker-miner-fs")
    Xlib:  extension "XInputExtension" missing on display ":1".
    Xlib:  extension "XInputExtension" missing on display ":1".
    XIO:  fatal IO error 0 (Success) on X server ":1"
          after 304 requests (293 known processed) with 0 events remaining.
    org.kde.plasma.session: Starting autostart service  "/etc/xdg/autostart/kmix_autostart.desktop" ("/usr/bin/kmix", "--keepvisibility")
    (uint32 1,)
    Traceback (most recent call last):
      File "/usr/lib/gnome-tweak-tool-lid-inhibitor", line 17, in on_activate
        var, fdlist = bus.call_with_unix_fd_list_sync('org.freedesktop.login1',
    gi.repository.GLib.Error: g-dbus-error-quark: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Permission denied (9)
    KCrash: Attempting to start /usr/bin/kdeinit5 from kdeinit
    kdeinit5: Got EXEC_NEW '/usr/bin/kdeinit5' from wrapper.
    kdeinit5: preparing to launch '/usr/bin/kdeinit5'
    KCrash: crashing... crashRecursionCounter = 2
    KCrash: Application Name = kdeinit5 path = /usr/bin pid = 36814
    KCrash: Arguments: /usr/bin/kdeinit5 
    KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
    kdeinit5: Got EXEC_NEW '/usr/lib/drkonqi' from wrapper.
    kdeinit5: preparing to launch '/usr/lib/drkonqi'
    kdeinit5: Shutting down running client.
    kdeinit5: Got termination request (PID 36787).
    kdeinit5: Closed sockets, but not exiting until all children terminate.
    klauncher: Exiting on signal 15
    kdeinit5: PID 36797 terminated.
    KCrash: Attempting to start /usr/lib/org_kde_powerdevil from kdeinit
    Warning: connect() failed: : No such file or directory
    KCrash: Attempting to start /usr/lib/org_kde_powerdevil directly
    KCrash: crashing... crashRecursionCounter = 2
    KCrash: Application Name = org_kde_powerdevil path = /usr/lib pid = 37050
    KCrash: Arguments: /usr/lib/org_kde_powerdevil 
    KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
    Warning: connect() failed: : No such file or directory
    KCrash: Attempting to start /usr/lib/drkonqi directly
    Xlib:  extension "MIT-SCREEN-SAVER" missing on display ":1".
    kdeinit5: preparing to launch '/usr/lib/kf5/klauncher'
    kdeinit5: Launched KLauncher, pid = 37221, result = 0
    XIO:  fatal IO error 0 (Success) on X server ":1"
          after 337 requests (326 known processed) with 0 events remaining.
    kdeinit5: preparing to launch '/usr/lib/kf5/klauncher'
    kdeinit5: Launched KLauncher, pid = 37234, result = 0
    Xlib:  extension "MIT-SCREEN-SAVER" missing on display ":1".
    kdeinit5: opened connection to :1
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/tags.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/tags.so'
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/trash.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/trash.so'
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/file.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/file.so'
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/file.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/file.so'
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/file.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/file.so'
    kdeinit5: Got EXEC_NEW '/usr/lib/qt/plugins/kf5/kio/thumbnail.so' from launcher.
    kdeinit5: preparing to launch '/usr/lib/qt/plugins/kf5/kio/thumbnail.so'
    kdeinit5: Communication error with launcher. Exiting!
    kdeinit5: PID 37187 terminated.
    KCrash: crashing... crashRecursionCounter = 2
    KCrash: Application Name = drkonqi path = /usr/lib pid = 37189
    KCrash: Arguments: /usr/lib/drkonqi --appname kdeinit5 --kdeinit --apppath /usr/bin --signal 11 --pid 36814 --startupid 0 --restarted 
    KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
    Warning: connect() failed: : Connection refused
    KCrash: Attempting to start /usr/lib/drkonqi directly
    kdeinit5: PID 36814 terminated.
    KCrash: crashing... crashRecursionCounter = 2
    KCrash: Application Name = drkonqi path = /usr/lib pid = 37213
    KCrash: Arguments: /usr/lib/drkonqi --appname org_kde_powerdevil --apppath /usr/lib --signal 6 --pid 37050 --appversion 2.0.0 --programname KDE Power Management System --bugaddress [email protected] --startupid 0 --restarted 
    KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
    Warning: connect() failed: : Connection refused
    KCrash: Attempting to start /usr/lib/drkonqi directly
    Unable to start Dr. Konqi
    Re-raising signal for core dump handling.
    Unable to start Dr. Konqi
    Re-raising signal for core dump handling.
    kdeinit5: PID 37189 terminated.
    16/12/19 02:44:56 KbdAddEvent: unknown KeySym 0xff61 - allocating KeyCode 89

    (tracker-miner-fs:37115): Tracker-CRITICAL **: 02:45:24.859: Could not remove files in volumes: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

    (tracker-miner-fs:37115): Tracker-CRITICAL **: 02:45:24.859: Could not remove files in volumes: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

    (tracker-miner-fs:37115): Tracker-CRITICAL **: 02:45:24.859: Could not initialize currently active mount points: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
    kdeinit5: PID 37256 terminated.
    kdeinit5: PID 37263 terminated.
    kdeinit5: PID 37270 terminated.
    kdeinit5: PID 37262 terminated.
    kdeinit5: PID 37272 terminated.
    16/12/19 02:53:56 Client 192.168.1.9 gone
    16/12/19 02:53:56 Statistics:
    16/12/19 02:53:56   key events received 12, pointer events 935
    16/12/19 02:53:56   framebuffer updates 318, rectangles 834, bytes 13818357
    16/12/19 02:53:56     cursor shape updates 74, bytes 9740
    16/12/19 02:53:56     cursor position updates 1, bytes 12
    16/12/19 02:53:56     copyRect rectangles 39, bytes 624
    16/12/19 02:53:56     hextile rectangles 720, bytes 13807981
    16/12/19 02:53:56   raw bytes equivalent 318610964, compression ratio 23.074406

Responder1

Então encontrei duas soluções para mim - se alguém se deparar com a mesma pergunta.

  1. com Tigervnc ou Tightvnc

  2. com x11vnc

A diferença entre ambos é que 1. inicia seu próprio servidor x11 e 2. conecta-se ao desktop existente. Com 1. Posso configurar qualquer resolução de tela que desejar e iniciar quantas o hardware puder suportar - não me preocupei com nenhuma limitação.

1. na pasta ~/.vnc aparece um arquivo xstartup após a primeira inicialização do Tigervnc que deve conter o seguinte conteúdo para iniciar uma sessão kde plasma x11:

    #!/bin/sh
    # Run a generic session
    if [ -z "$MODE" ]
    then
            xsetroot -solid grey &   #set the background picture
            export XKB_DEFAULT_RULES=base & #both should be needed for keyboard signals
            export QT_XKB_CONFIG_ROOT=/usr/share/X11/xkb & 


    #       export $(dbus-launch) &
    #       exec startplasma-x11&
    #       kstart5 plasmashell &
            konsole & #starts konsole (kde terminal)
            firefox & #starts firefox
            ksysguard & #starts the kde system monitor
    #       xrandr --dpi 144 & # 
            kstart5 plasmashell & #adds a task bar to the windows
            dbus-launch startplasma-x11  #starts the actual window + Dolphin

    #       /opt/kde/bin/startkde &   
    fi

Todas as opções comentadas (e muitas mais são testes com resultado ruim ou sem resultado)

vncserver :1 -depth 24 -geometry 1920x1080inicia o servidor em FullHD e vncserver -kill :1mata-o (1 significa sessões e incremento quanto mais você executa o comando antes) posso me conectar a ele com cliente remmina gui com ip e porta - fe 192.168.1.4:5901 (porta padrão, você encontra sua ip do servidor com ip addr)

Ainda não há barra de tarefas e ainda não há opções de área de trabalho em segundo plano disponíveis - mas funciona e posso mover e redimensionar janelas e iniciar novas janelas com o terminal - Se você encontrar uma solução para isso - fico feliz em saber disso :)


2. É bem fácil/rápido, basta instalar o x11vnc ( sudo pacman -S x11vnc) e iniciá-lo no servidor comx11vnc -many -display :0

Do que conectar com o cliente remmina e o ip (sem porta) (fe 192.168.1.4) - boom concluído - foto do monitor original. (no meu caso, apenas resolução HD - mas com área de trabalho e painel de tarefas)

Se eu pular o comando -many, a sessão estará disponível apenas para uma conexão e terminará após eu desconectar o cliente vnc e deverá ser reiniciada sempre que eu quiser me conectar. Com muitos fica. Iniciar o x11vnc automaticamente após uma reinicialização é feito com o seguinte:

Perdi algumas horas nisso. Acho que não é uma boa ideia iniciar o x11vnc como root. Isto [email protected]- no Arch Linux esta pasta está em /usr/lib/systemd/system/- basta criar um arquivo [email protected]e incluir o seguinte conteúdo.

    [Unit]
    Description=VNC Server for X11
    Requires=display-manager.service
    After=display-manager.service

    [Service]
    Type=forking
    ExecStart=/usr/bin/x11vnc -rfbauth /home/user/.vnc/passwd -ncache 2 -forever -shared -bg -display :0
    Restart=on-failure
    RestartSec=10
    User=%I

    [Install]
    WantedBy=multi-user.target

pode ser iniciado uma vez com

systemctl start [email protected]

onde você pode alterar "usuário" para o seu usuário e pode ser iniciado após a inicialização automaticamente com

systemctl enable [email protected]

e nunca falhará (talvez as linhas sobre reinicialização possam ser omitidas).

Sim, é isso :)

EDIT: Eu testei em muitos servidores Arch Linux agora e por razões de estabilidade deve-se usar a versão git ( yay -S x11vnc-gitem vez de yay -S x11vnc) porque ao compilá-lo no computador específico o compilador o otimiza perfeitamente para o sistema instalado. Não é necessário na maioria dos casos, mas para alguns hardwares é necessário.

Além disso, o sinalizador -ncache 2 acelera/protege a largura de banda para o servidor vnc apenas enviando a diferença para a imagem anterior, mas é opcional e funciona bem sem ele se a largura de banda não importa.

informação relacionada