ubuntu下安装配置vnc

sudo apt install tigervnc-standalone-server
vncpasswd
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sudo nano .vnc/xstartup
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#!/bin/sh
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
export XKL_XMODMAP_DISABLE=1
export XDG_CURRENT_DESKTOP="GNOME-Flashback:GNOME"
export XDG_MENU_PREFIX="gnome-flashback-"
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
#vncconfig -iconic &
gnome-terminal &
exec nautilus &
exec gnome-session --session=gnome-flashback-metacity --disable-acceleration-check &
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cd ~
sudo chown -R $USER:$USER .vnc
chmod 700 .vnc
chmod 600 .vnc/passwd

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sudo nano /etc/systemd/system/tigervncserver.service
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[Unit]
Description=tigerVNC Server
After=network.target

[Service]
Type=forking
#PIDFile=/home/user/.vnc/user-virtual-machine:1.pid
User=user
Group=user
WorkingDirectory=/home/user
ExecStartPre=-/usr/bin/vncserver -kill :1 > /dev/null 2>&1 || true
ExecStart=/usr/bin/vncserver :1 -depth 24 -geometry 1920x1080 -localhost no
ExecStop=/usr/bin/vncserver -kill :1

[Install]
WantedBy=multi-user.target
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sudo systemctl daemon-reload
sudo systemctl enable tigervncserver.service
sudo systemctl start tigervncserver.service
sudo systemctl status tigervncserver.service