Modern Linux Desktop Stack

Talk on Linux Desktop Stack for COSCUP 2013 http://coscup.org/2013/

介紹近幾年來的 Linux Desktop Stack 的發展與近況，基於 Ubuntu 桌面系統，預期含括 Networking, Accounts, Policy Kit, dBus, init scripts, graphic stacks 。

Transcript

1. 1
   Modern Linux Desktop Stack
   Rex Tsai
   chihchun@kalug.linux.org.tw
   http://nutsfactory.net/
   COSCUP 2013 @ TICC
   2013-08-03
   

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2. 2
   Rex Tsai 任職 Canonical 軟體工程師，
   超過十年的 Linux 使用者、開發者，
   活躍於台灣開放原碼社群。
   http://about.me/chihchun/
   

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3. 3
   Pre-Desktop era
   Pre-Desktop era
   GNOME/KDE
   GNOME/KDE
   KDE 1.0
   KDE 1.0
   POST-PC / Mobile era
   POST-PC / Mobile era
   July 12, 1998
   July 12, 1998
   History of Linux Desktop
   

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4. 4
   Kernel, drivers
   Kernel, drivers
   Plumbing (hal, devicekit)
   Plumbing (hal, devicekit)
   IPC (D-Bus)
   IPC (D-Bus) Access control
   (PolicyKit, ConsoleKit)
   Access control
   (PolicyKit, ConsoleKit)
   Desktop (nm-applet, g-s-d, gnome-control-center)
   Desktop (nm-applet, g-s-d, gnome-control-center)
   uevent /sys, /dev, ioctls ...
   Current design
   

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5. 5
   Session Bus
   Session Bus
   System Bus
   System Bus
   ●
   Init by /sbin/init
   ●
   System service
   ●
   Init by user session
   ●
   User's application
   

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7. 7
   Many application supported
   

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8. 8
   Messages
   

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9. 9
   Built-in security
   

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10. 10
    Kernel, drivers
    Kernel, drivers
    Plumbing (hal, devicekit)
    Plumbing (hal, devicekit)
    IPC (D-Bus)
    IPC (D-Bus) Access control
    (PolicyKit, ConsoleKit)
    Access control
    (PolicyKit, ConsoleKit)
    power
    power
    media-keys
    media-keys
    xrandr
    xrandr
    color
    color
    sound
    sound
    xsettings
    xsettings
    wacom
    wacom
    

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11. 11
    Authentication
    PolicyKit
    PolicyKit
    ConsoleKit
    ConsoleKit
    ●
    Defined policy on actions
    ●
    /etc/polkit-1/localauthority/*
    ●
    The new `last'
    

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12. 12
    Dbus: System Bus
    Dbus: System Bus
    Network Manager
    Network Manager
    nm-applet (user session)
    nm-applet (user session)
    pptp
    pptp iw
    wpa_supplicant
    iw
    wpa_supplicant ifconfig
    ifconfig dnsmasq
    dnsmasq
    Network manager
    

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13. 13
    Power management
    Kernel /sys/power/state /sys/class/power_supply*
    Kernel /sys/power/state /sys/class/power_supply*
    pm-utils
    pm-utils
    g-s-d power
    g-s-d power
    upower
    upower
    indicator-session
    indicator-session gnome-power-statistics
    gnome-power-statistics
    

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16. 16
    Kernel /sys/block/*, mount(), mkfs, fuse
    Kernel /sys/block/*, mount(), mkfs, fuse
    udisks
    udisks
    g-s-d mounter helper
    g-s-d mounter helper
    gvfs
    gvfs
    Nemo/nautilus
    Nemo/nautilus
    Storage
    

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17. 17
    Kernel /sys/block/*, mount(), mkfs, fuse
    Kernel /sys/block/*, mount(), mkfs, fuse
    alsa
    alsa
    pulseaudio
    pulseaudio
    bluez
    bluez
    Audio
    gnome-control-center sound-nua
    gnome-control-center sound-nua gstreamer
    gstreamer alsa
    alsa
    

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18. 18
    Kernel, drivers
    Kernel, drivers
    Plumbing (hal, devicekit)
    Plumbing (hal, devicekit)
    IPC (D-Bus)
    IPC (D-Bus) Kauth
    Kauth
    Solid
    Solid
    KPart
    KPart
    KIO
    KIO
    

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19. 19
    Power management
    Kernel /sys/power/state /sys/class/power_supply*
    Kernel /sys/power/state /sys/class/power_supply*
    pm-utils
    pm-utils
    g-s-d power
    g-s-d power
    upower
    upower
    indicator-session
    indicator-session gnome-power-statistics
    gnome-power-statistics
    

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20. 20
    Kernel
    Kernel
    Android HAL (RIL)
    Android HAL (RIL)
    RIL socket
    RIL socket
    ofone
    ofone
    Telephony client
    Telephony client
    Radio
    

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21. 21
    Kernel
    Kernel
    HAL / GBM, KMS, DRM
    HAL / GBM, KMS, DRM
    Android HAL (Graphic)
    Android HAL (Graphic)
    Libhybris (bionic/glibc)
    Libhybris (bionic/glibc)
    MIR
    MIR
    QtUbuntu
    QtUbuntu
    Qt/QML
    Qt/QML
    Ubuntu Touch
    Ubuntu Touch
    XMIR
    XMIR
    Applications
    Applications
    Qt/QML
    Qt/QML
    Ubuntu Apps
    Ubuntu Apps
    Graphic
    Qt
    Qt Gtk
    Gtk
    

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22. 22
    Thank you
    Ref
    * Linux Desktop Plumbing Stack by Martin Pitt
    https://docs.google.com/presentation/d/15PMqKUWkDeA2GAF-x1QiZxLXbOmlRpBs1lk
    LOI8KcFQ/present
    * Under the Hood of GNOME3 — 関西 Debian 勉強会用資料
    http://yyatsuo.com/kansai-debian/index.html
    * 基本的 DBus 偵錯技巧 http://blog.nutsfactory.net/2011/03/08/test-and-debug-dbus/
    * Watch Bossa '09: Plumbing The Linux Desktop - David Zeuthen
    http://blip.tv/openbossa/bossa-09-plumbing-the-linux-desktop-david-zeuthen-1893874
    

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