今天使用vagrant+ubuntu搭建了一个环境，由于测试要使用qemu模块，必须在图形界面下调试，所以ubuntu装了vnc4server和gnome，外部vnc client连接之后，界面正常显示，但还没敲几句代码，就发现按键s和按键d出问题了，按下按键s会直接跳到菜单栏applications上去，按下按键d的效果是所以窗口最小化和恢复，瞬间崩溃了，查了很多资料终于发现问题出在早期的ubuntu版本按键关联异常，可以使用如下语句解决。我通过把[]中的关联全部去掉来解决，即改为['']。
gsettings set org.gnome.desktop.wm.keybindings cycle-windows-backward "['<Shift><Alt>Escape']"
gsettings set org.gnome.desktop.wm.keybindings minimize "['<Super>Page_Down']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-7 "['<Super><Shift>7']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-8 "['<Super><Shift>8']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-9 "['<Super><Shift>9']"
gsettings set org.gnome.desktop.wm.keybindings move-to-monitor-left "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-5 "['<Super><Shift>5']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-6 "['<Super><Shift>6']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-10 "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-11 "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-12 "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-center "['<Super>h']"
gsettings set org.gnome.desktop.wm.keybindings unmaximize "['<Super>Down', '<Alt>F5']"
gsettings set org.gnome.desktop.wm.keybindings panel-main-menu "['<Alt>F1']"
gsettings set org.gnome.desktop.wm.keybindings cycle-windows "['<Alt>Escape']"
gsettings set org.gnome.desktop.wm.keybindings cycle-panels-backward "['<Shift><Control><Alt>Escape']"
gsettings set org.gnome.desktop.wm.keybindings panel-run-dialog "['<Alt>F2']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-down "['<Super>Down']"
gsettings set org.gnome.desktop.wm.keybindings move-to-corner-ne "['<Super>k']"
gsettings set org.gnome.desktop.wm.keybindings move-to-side-e "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-right "['<Super><Shift>Right']"
gsettings set org.gnome.desktop.wm.keybindings always-on-top "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-up "['<Super><Shift>Up']"
gsettings set org.gnome.desktop.wm.keybindings raise "['']"
gsettings set org.gnome.desktop.wm.keybindings maximize "['<Super>Page_Up']"
gsettings set org.gnome.desktop.wm.keybindings cycle-group-backward "['<Shift><Alt>F6']"
gsettings set org.gnome.desktop.wm.keybindings move-to-side-n "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-side-s "['']"
gsettings set org.gnome.desktop.wm.keybindings maximize-horizontally "['<Super>n']"
gsettings set org.gnome.desktop.wm.keybindings move-to-side-w "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-corner-nw "['<Super>j']"
gsettings set org.gnome.desktop.wm.keybindings switch-windows "['']"
gsettings set org.gnome.desktop.wm.keybindings begin-move "['<Alt>F7']"
gsettings set org.gnome.desktop.wm.keybindings move-to-monitor-down "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-windows-backward "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-left "['<Super><Shift>Left']"
gsettings set org.gnome.desktop.wm.keybindings move-to-corner-se "['<Super>semicolon']"
gsettings set org.gnome.desktop.wm.keybindings activate-window-menu "['<Alt>space']"
gsettings set org.gnome.desktop.wm.keybindings switch-input-source "['']"
gsettings set org.gnome.desktop.wm.keybindings toggle-above "['<Super><Shift>h']"
gsettings set org.gnome.desktop.wm.keybindings move-to-monitor-right "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-input-source-backward "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-last "['']"
gsettings set org.gnome.desktop.wm.keybindings lower "['']"
gsettings set org.gnome.desktop.wm.keybindings cycle-panels "['<Control><Alt>Escape']"
gsettings set org.gnome.desktop.wm.keybindings toggle-fullscreen "['']"
gsettings set org.gnome.desktop.wm.keybindings toggle-on-all-workspaces "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-monitor-up "['']"
gsettings set org.gnome.desktop.wm.keybindings move-to-corner-sw "['<Super>l']"
gsettings set org.gnome.desktop.wm.keybindings toggle-shaded "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-1 "['<Super>1']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-2 "['<Super>2']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-3 "['<Super>3']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-4 "['<Super>4']"
gsettings set org.gnome.desktop.wm.keybindings raise-or-lower "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-panels "['<Control><Alt>Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-panels-backward "['<Shift><Control><Alt>Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-applications-backward "['<Shift><Super>Tab', '<Shift><Alt>Tab']"
gsettings set org.gnome.desktop.wm.keybindings maximize-vertically "['<Super>y']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-7 "['<Super>7']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-5 "['<Super>5']"
gsettings set org.gnome.desktop.wm.keybindings show-desktop "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-8 "['<Super>8']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-9 "['<Super>9']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-6 "['<Super>6']"
gsettings set org.gnome.desktop.wm.keybindings switch-applications "['<Super>Tab', '<Alt>Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-10 "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-11 "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-12 "['']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-left "['<Super>Left']"
gsettings set org.gnome.desktop.wm.keybindings toggle-maximized "['<Super>space']"
gsettings set org.gnome.desktop.wm.keybindings set-spew-mark "['']"
gsettings set org.gnome.desktop.wm.keybindings begin-resize "['<Alt>F8']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-down "['<Super><Shift>Down']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-last "['<Super>End']"
gsettings set org.gnome.desktop.wm.keybindings switch-group-backward "['<Shift><Super>Above_Tab', '<Shift><Alt>Above_Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-group "['<Super>Above_Tab', '<Alt>Above_Tab']"
gsettings set org.gnome.desktop.wm.keybindings cycle-group "['<Alt>F6']"
gsettings set org.gnome.desktop.wm.keybindings close "['<Super><Shift>c', '<Alt>F4']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-up "['<Super>Up']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-1 "['<Super><Shift>1']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-2 "['<Super><Shift>2']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-3 "['<Super><Shift>3']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-4 "['<Super><Shift>4']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-right "['<Super>Right']"
参考：
