vncserver和x0vncserver用法总计
通常vncserver :port 会调用到xvnc，这时系统会新建一个虚拟桌面通过vncserver分享出去。
vncserver的用法很简单：
vncserver -h usage: vncserver [:<number>] [-name <desktop-name>] [-depth <depth>] [-geometry <width>x<height>] [-pixelformat rgbNNN|bgrNNN] [-fp <font-path>] [-fg] [-autokill] [-noxstartup] [-xstartup <file>] <Xvnc-options>... vncserver -kill <X-display> vncserver -list
若需要通过脚本使用vncserver，可使用如下方法：
su - $vncuser <<EOF vncserver -kill $vncport vncserver $vncport EOF
而和vncserver不同，x0vncserver则是分享当前物理屏幕（类似于克隆），若通过vncserver方式出现问题，则可采用此方法。
x0vncserver常见用法：
x0vncserver -h TigerVNC Server version 1.10.80, built Nov 28 2019 19:49:15 Usage: x0vncserver [<parameters>] x0vncserver --version Parameters can be turned on with -<param> or off with -<param>=0 Parameters which take a value can be specified as -<param> <value> Other valid forms are <param>=<value> -<param>=<value> --<param>=<value> Parameter names are case-insensitive. The parameters are: Global Parameters: UseIPv6 - Use IPv6 for incoming and outgoing connections. (default=1) UseIPv4 - Use IPv4 for incoming and outgoing connections. (default=1) ZlibLevel - Zlib compression level (default=-1) ImprovedHextile - Use improved compression algorithm for Hextile encoding which achieves better compression ratios by the cost of using more CPU time (default=1) pam_service - Alias for PAMService PAMService - Service name for PAM password validation (default=vnc) PlainUsers - Users permitted to access via Plain security type (including TLSPlain, X509Plain etc.) (default=) GnuTLSPriority - GnuTLS priority string that controls the TLS session’s handshake algorithms (default=NORMAL) QueryConnect - Prompt the local user to accept or reject incoming connections. (default=0) AcceptSetDesktopSize - Accept set desktop size events from clients. (default=1) SendCutText - Send clipboard changes to clients. (default=1) AcceptCutText - Accept clipboard updates from clients. (default=1) AcceptPointerEvents - Accept pointer press and release events from clients. (default=1) AcceptKeyEvents - Accept key press and release events from clients. (default=1) DisconnectClients - Disconnect existing clients if an incoming connection is non-shared. If combined with NeverShared then new connections will be refused while there is a client active (default=1) NeverShared - Never treat incoming connections as shared, regardless of the client-specified setting (default=0) AlwaysShared - Always treat incoming connections as shared, regardless of the client-specified setting (default=0) Protocol3.3 - Always use protocol version 3.3 for backwards compatibility with badly-behaved clients (default=0) FrameRate - The maximum number of updates per second sent to each client (default=60) CompareFB - Perform pixel comparison on framebuffer to reduce unnecessary updates (0: never, 1: always, 2: auto) (default=2) ClientWaitTimeMillis - The number of milliseconds to wait for a client which is no longer responding (default=20000) MaxIdleTime - Terminate after s seconds of user inactivity (default=0) MaxConnectionTime - Terminate when a client has been connected for s seconds (default=0) MaxDisconnectionTime - Terminate when no client has been connected for s seconds (default=0) IdleTimeout - The number of seconds after which an idle VNC connection will be dropped (zero means no timeout) (default=0) MaxCutText - Maximum permitted length of an incoming clipboard update (default=262144) RemapKeys - Comma-separated list of incoming keysyms to remap. Mappings are expressed as two hex values, prefixed by 0x, and separated by -> (default=) Blackl
1、首先通过vncpasswd新建一个vnc密码。
2、将物理桌面转发出去。
x0vncserver -rfbport 5901 -display :0 -PasswordFile ~/.vnc/passwd
其中：
-rfbport 指定转发到哪个端口，默认为5900。
-display 指定转发哪个物理显示器（若存在多个显示器的情况下）。
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-PasswordFile 指定密码文件