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https://gitlab.freedesktop.org/wayland/weston
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ddf4327116
Add missing documentation for the --address command-line argument that lets the VNC backend listen only on a specified IP address. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
110 lines
3.4 KiB
Groff
110 lines
3.4 KiB
Groff
.TH WESTON-RDP 7 "2017-12-14" "Weston @version@"
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.SH NAME
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weston-vnc \- the VNC backend for Weston
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.SH SYNOPSIS
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.B weston --backend=vnc
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.
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.\" ***************************************************************
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.SH DESCRIPTION
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The VNC backend allows to run a
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.B weston
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environment without the need of specific graphic hardware, or input devices. Users can interact with
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.B weston
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only by connecting using the remote framebuffer protocol (RFB).
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The VNC backend uses Neat VNC to implement the VNC part, it acts as a VNC server
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listening for incoming connections. It supports different encodings for encoding
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the graphical content, depending on what is supported by the VNC client.
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The VNC backend is not multi-seat aware, so if a second client connects to the
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backend, the first client will be disconnected.
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The VNC client has to authenticate as the user running weston. This requires a PAM configuration file
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.BR /etc/pam.d/weston-remote-access .
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.\" ***************************************************************
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.SH CONFIGURATION
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.
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The VNC backend uses the following entries from
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.BR weston.ini .
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.SS Section vnc
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.TP
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\fBrefresh-rate\fR=\fIrate\fR
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Specifies the desktop redraw rate in Hz. If unspecified, the default is 60Hz. Changing
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this may be useful if you have a faster than 60Hz display, or if you want to reduce updates to
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reduce network traffic.
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.TP
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\fBtls\-key\fR=\fIfile\fR
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The file containing the key for doing TLS security. To have TLS security you also need
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to ship a file containing a certificate.
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.TP
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\fBtls\-cert\fR=\fIfile\fR
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The file containing the certificate for doing TLS security. To have TLS security you also need
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to ship a key file.
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.SS Section output
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.TP
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\fBname\fR=\fIvnc\fR
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The name
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.BR vnc
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is used to identify the VNC output.
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.TP
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\fBmode\fR=\fIwidth\fBx\fIheight\fR
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Specifies the (initial) size for the output.
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.TP
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\fBresizeable\fR=\fIboolean\fR
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Specifies whether the VNC client is allowed to resize the output.
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.\" ***************************************************************
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.SH OPTIONS
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.
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When the VNC backend is loaded,
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.B weston
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will understand the following additional command line options.
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.TP
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.B \-\-address\fR=\fIaddress\fR
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The IP address on which the VNC backend will listen for VNC connections. By
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default it listens on 0.0.0.0.
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.TP
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.B \-\-width\fR=\fIwidth\fR
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The width of the framebuffer. It defaults to 640.
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.TP
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.B \-\-height\fR=\fIheight\fR
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The height of the framebuffer. It defaults to 480.
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.TP
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\fB\-\-port\fR=\fIport\fR
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The TCP port to listen on for connections. It defaults to 5900.
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.TP
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\fB\-\-vnc\-tls\-key\fR=\fIfile\fR
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The file containing the key for doing TLS security. To have TLS security you also need
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to ship a file containing a certificate.
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.TP
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\fB\-\-vnc\-tls\-cert\fR=\fIfile\fR
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The file containing the certificate for doing TLS security. To have TLS security you also need
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to ship a key file.
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.\" ***************************************************************
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.SH Generating cryptographic material for the VNC backend
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.
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You can generate a key and certificate file to use with TLS security using typical
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.B openssl
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invocations:
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.nf
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$ openssl genrsa -out tls.key 2048
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Generating RSA private key, 2048 bit long modulus
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[...]
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$ openssl req -new -key tls.key -out tls.csr
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[...]
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$ openssl x509 -req -days 365 -signkey tls.key -in tls.csr -out tls.crt
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[...]
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.fi
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You will get the tls.key and tls.crt files to use with the VNC backend.
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.
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.\" ***************************************************************
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.SH "SEE ALSO"
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.BR weston (1)
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.\".BR weston.ini (5)
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