更换xcfe4桌面2020-12-19

sudo update-alternatives --config x-session-manager
选择xfce也就是2

@:sudo update-alternatives --config x-session-manager

There are 3 choices for the alternative x-session-manager (providing /usr/bin/x-session-manager).

  Selection    Path                    Priority   Status
------------------------------------------------------------
* 0            /usr/bin/gnome-session   50        auto mode
  1            /usr/bin/gnome-session   50        manual mode
  2            /usr/bin/startxfce4      50        manual mode
  3            /usr/bin/xfce4-session   40        manual mode

Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/bin/startxfce4 to provide /usr/bin/x-session-manager (x-session-manager) in manual mode

再次打开就可以看见
自动模式已经变了

There are 3 choices for the alternative x-session-manager (providing /usr/bin/x-session-manager).

  Selection    Path                    Priority   Status
------------------------------------------------------------
  0            /usr/bin/startxfce4      50        auto mode
  1            /usr/bin/gnome-session   50        manual mode
* 2            /usr/bin/startxfce4      50        manual mode
  3            /usr/bin/xfce4-session   40        manual mode

Press <enter> to keep the current choice[*], or type selection number: 2

自动模式已经是xfce4

animal1@animalia:~$ sudo update-alternatives --config x-session-manager
There are 3 choices for the alternative x-session-manager (providing /usr/bin/x-session-manager).

  Selection    Path                    Priority   Status
------------------------------------------------------------
  0            /usr/bin/startxfce4      50        auto mode
  1            /usr/bin/gnome-session   50        manual mode
* 2            /usr/bin/startxfce4      50        manual mode
  3            /usr/bin/xfce4-session   40        manual mode

Press <enter> to keep the current choice[*], or type selection number: 0

但是我觉得还要在选择一次把*挪到0的位置上

animal1@animalia:~$ sudo update-alternatives --config x-session-manager
There are 3 choices for the alternative x-session-manager (providing /usr/bin/x-session-manager).

  Selection    Path                    Priority   Status
------------------------------------------------------------
* 0            /usr/bin/startxfce4      50        auto mode
  1            /usr/bin/gnome-session   50        manual mode
  2            /usr/bin/startxfce4      50        manual mode
  3            /usr/bin/xfce4-session   40        manual mode

然后用reboot重启就可以进入xfce4
实在是受不了gnome卡死的样子，看看轻量级xfce4会不会卡。