| 1 | <?xml version="1.0" encoding="UTF-8"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY tigervnc-download-http "https://github.com/TigerVNC/tigervnc/archive/v&tigervnc-version;/tigervnc-&tigervnc-version;.tar.gz">
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| 8 | <!ENTITY tigervnc-download-ftp " ">
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| 9 | <!ENTITY tigervnc-md5sum "3a794e3a063443e07250de8e99e2e05a">
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| 10 | <!ENTITY tigervnc-size "1.8 MB">
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| 11 | <!ENTITY tigervnc-buildsize "97 MB">
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| 12 | <!ENTITY tigervnc-time "0.4 SBU (Using parallelism=4)">
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| 13 | <!ENTITY tigervnc-xorg-version "21.1.11">
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| 14 | ]>
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| 15 |
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| 16 | <sect1 id="tigervnc" xreflabel="tigervnc-&tigervnc-version;">
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| 17 | <?dbhtml filename="tigervnc.html"?>
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| 18 |
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| 19 |
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| 20 | <title>Tigervnc-&tigervnc-version;</title>
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| 21 |
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| 22 | <indexterm zone="tigervnc">
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| 23 | <primary sortas="a-tigervnc">tigervnc</primary>
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| 24 | </indexterm>
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| 25 |
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| 26 | <sect2 role="package">
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| 27 | <title>Introduction to Tigervnc</title>
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| 28 |
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| 29 | <para>
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| 30 | <application>Tigervnc</application> is an advanced VNC (Virtual
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| 31 | Network Computing) implementation. It allows creation of an Xorg server
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| 32 | not tied to a physical console and also provides a client for
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| 33 | viewing of the remote graphical desktop.
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| 34 | </para>
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| 35 |
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| 36 | &lfs120_checked;
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| 37 |
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| 38 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 39 | <itemizedlist spacing="compact">
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| 40 | <listitem>
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| 41 | <para>
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| 42 | Download (HTTP): <ulink url="&tigervnc-download-http;"/>
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| 43 | </para>
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| 44 | </listitem>
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| 45 | <listitem>
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| 46 | <para>
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| 47 | Download (FTP): <ulink url="&tigervnc-download-ftp;"/>
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| 48 | </para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>
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| 52 | Download MD5 sum: &tigervnc-md5sum;
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| 53 | </para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>
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| 57 | Download size: &tigervnc-size;
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| 58 | </para>
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| 59 | </listitem>
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| 60 | <listitem>
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| 61 | <para>
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| 62 | Estimated disk space required: &tigervnc-buildsize;
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| 63 | </para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>
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| 67 | Estimated build time: &tigervnc-time;
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| 68 | </para>
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| 69 | </listitem>
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| 70 | </itemizedlist>
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| 71 |
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| 72 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 73 | <itemizedlist spacing="compact">
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| 74 | <listitem>
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| 75 | <para>
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| 76 | Required file:
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| 77 | <ulink url="&xorg-download-http;/xserver/xorg-server-&tigervnc-xorg-version;.tar.xz"/>
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| 78 | </para>
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| 79 | </listitem>
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| 80 | </itemizedlist>
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| 81 |
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| 82 | <note>
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| 83 | <para>
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| 84 | The version of <application>Xorg</application> may eventually be a few
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| 85 | versions out of date, but is required for the customizations needed
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| 86 | for this package.
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| 87 | </para>
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| 88 | </note>
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| 89 |
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| 90 | <itemizedlist spacing="compact">
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| 91 | <listitem>
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| 92 | <para>
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| 93 | Required patch:
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| 94 | <ulink url="&patch-root;/tigervnc-&tigervnc-version;-configuration_fixes-1.patch"/>
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| 95 | </para>
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| 96 | </listitem>
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| 97 | <listitem revision='sysv'>
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| 98 | <para>
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| 99 | Optional file to start the server without a display manager:
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| 100 | <ulink url="&sources-anduin-http;/tigervnc/vncserver"/>
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| 101 | </para>
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| 102 | </listitem>
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| 103 | <listitem revision='sysv'>
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| 104 | <para>
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| 105 | Optional manual page:
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| 106 | <ulink url="&sources-anduin-http;/tigervnc/vncserver.1"/>
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| 107 | </para>
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| 108 | </listitem>
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| 109 | <listitem revision='systemd'>
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| 110 | <para>
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| 111 | Optional file to start the server without a display manager:
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| 112 | <ulink url="&sources-anduin-http;/tigervnc/Xsession"/>
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| 113 | </para>
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| 114 | </listitem>
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| 115 | </itemizedlist>
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| 116 |
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| 117 | <bridgehead renderas="sect3">Tigervnc Dependencies</bridgehead>
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| 118 |
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| 119 | <bridgehead renderas="sect4">Required</bridgehead>
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| 120 | <para role="required">
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| 121 | <xref linkend="cmake"/>,
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| 122 | <xref linkend="fltk"/>,
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| 123 | <xref linkend="gnutls"/>,
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| 124 | <xref linkend="libgcrypt"/>,
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| 125 | <xref linkend="libjpeg"/>,
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| 126 | <phrase revision='sysv'><xref linkend="linux-pam"/>,</phrase>
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| 127 | <xref linkend="pixman"/>,
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| 128 | <phrase revision='systemd'><xref linkend="systemd"/>
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| 129 | (with <xref linkend="linux-pam"/>),</phrase>
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| 130 | <xref linkend="xorg7-app"/>,
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| 131 | <xref linkend="xinit"/>, and
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| 132 | <xref linkend="xorg7-legacy"/>
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| 133 | </para>
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| 134 |
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| 135 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 136 | <para role="recommended">
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| 137 | <xref linkend="imagemagick"/>
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| 138 | </para>
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| 139 |
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| 140 |
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| 141 | </sect2>
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| 142 |
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| 143 | <sect2 role="installation">
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| 144 | <title>Installation of Tigervnc</title>
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| 145 |
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| 146 | <para>
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| 147 | First, make adjustments to the configuration files to make them
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| 148 | compatible with LFS systems:
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| 149 | <!-- Replaces an incompatible PAM file and disables SELinux support
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| 150 | in systemd units. Also modifies the search path for
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| 151 | /usr/libexec/vncserver to include /etc/X11/tigervnc -->
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| 152 | </para>
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| 153 |
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| 154 | <screen><userinput remap="pre">patch -Np1 -i ../tigervnc-&tigervnc-version;-configuration_fixes-1.patch</userinput></screen>
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| 155 |
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| 156 | <para>
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| 157 | Install <application>tigervnc</application> by running the following
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| 158 | commands:
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| 159 | </para>
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| 160 |
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| 161 | <screen revision="sysv"><userinput># Put code in place
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| 162 | mkdir -p unix/xserver &&
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| 163 | tar -xf ../xorg-server-&tigervnc-xorg-version;.tar.xz \
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| 164 | --strip-components=1 \
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| 165 | -C unix/xserver &&
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| 166 | ( cd unix/xserver &&
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| 167 | patch -Np1 -i ../xserver21.1.1.patch ) &&
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| 168 |
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| 169 | # Build viewer
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| 170 | cmake -G "Unix Makefiles" \
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| 171 | -DCMAKE_INSTALL_PREFIX=/usr \
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| 172 | -DCMAKE_BUILD_TYPE=Release \
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| 173 | -DINSTALL_SYSTEMD_UNITS=OFF \
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| 174 | -Wno-dev . &&
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| 175 | make &&
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| 176 |
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| 177 | # Build server
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| 178 | pushd unix/xserver &&
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| 179 | autoreconf -fiv &&
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| 180 |
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| 181 | CPPFLAGS="-I/usr/include/drm" \
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| 182 | ./configure $XORG_CONFIG \
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| 183 | --disable-xwayland --disable-dri --disable-dmx \
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| 184 | --disable-xorg --disable-xnest --disable-xvfb \
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| 185 | --disable-xwin --disable-xephyr --disable-kdrive \
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| 186 | --disable-devel-docs --disable-config-hal --disable-config-udev \
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| 187 | --disable-unit-tests --disable-selective-werror \
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| 188 | --disable-static --enable-dri3 \
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| 189 | --without-dtrace --enable-dri2 --enable-glx \
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| 190 | --with-pic &&
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| 191 | make &&
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| 192 | popd</userinput></screen>
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| 193 |
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| 194 | <screen revision="systemd"><userinput># Put code in place
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| 195 | mkdir -p unix/xserver &&
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| 196 | tar -xf ../xorg-server-&tigervnc-xorg-version;.tar.xz \
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| 197 | --strip-components=1 \
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| 198 | -C unix/xserver &&
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| 199 | ( cd unix/xserver &&
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| 200 | patch -Np1 -i ../xserver21.1.1.patch ) &&
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| 201 |
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| 202 | # Build viewer
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| 203 | cmake -G "Unix Makefiles" \
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| 204 | -DCMAKE_INSTALL_PREFIX=/usr \
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| 205 | -DCMAKE_BUILD_TYPE=Release \
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| 206 | -Wno-dev . &&
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| 207 | make &&
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| 208 |
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| 209 | # Build server
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| 210 | pushd unix/xserver &&
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| 211 | autoreconf -fiv &&
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| 212 |
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| 213 | CPPFLAGS="-I/usr/include/drm" \
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| 214 | ./configure $XORG_CONFIG \
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| 215 | --disable-xwayland --disable-dri --disable-dmx \
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| 216 | --disable-xorg --disable-xnest --disable-xvfb \
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| 217 | --disable-xwin --disable-xephyr --disable-kdrive \
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| 218 | --disable-devel-docs --disable-config-hal --disable-config-udev \
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| 219 | --disable-unit-tests --disable-selective-werror \
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| 220 | --disable-static --enable-dri3 \
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| 221 | --without-dtrace --enable-dri2 --enable-glx \
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| 222 | --with-pic &&
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| 223 | make &&
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| 224 | popd</userinput></screen>
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| 225 |
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| 226 | <para>
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| 227 | This package does not come with a test suite.
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| 228 | </para>
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| 229 |
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| 230 | <para>
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| 231 | Now, as the <systemitem class="username">root</systemitem> user:
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| 232 | </para>
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| 233 |
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| 234 | <screen role="root"><userinput>#Install viewer
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| 235 | make install &&
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| 236 |
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| 237 | #Install server
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| 238 | ( cd unix/xserver/hw/vnc && make install ) &&
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| 239 |
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| 240 | [ -e /usr/bin/Xvnc ] || ln -svf $XORG_PREFIX/bin/Xvnc /usr/bin/Xvnc</userinput></screen>
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| 241 |
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| 242 | <para revision="sysv">
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| 243 | Finally, modify the PAM file to be compatible with elogind:
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| 244 | </para>
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| 245 |
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| 246 | <screen role="root" revision="sysv"><userinput>sed -i 's/pam_systemd.so/pam_elogind.so/' /etc/pam.d/tigervnc</userinput></screen>
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| 247 |
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| 248 | <!-- These are installed as part of 'make install' for the client.
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| 249 | <para>
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| 250 | Finally, create a menu entry. As the
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| 251 | <systemitem class="username">root</systemitem> user:
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| 252 | </para>
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| 253 |
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| 254 | <screen role="root"><userinput>cat > /usr/share/applications/vncviewer.desktop << "EOF"
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| 255 | <literal>[Desktop Entry]
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| 256 | Type=Application
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| 257 | Name=TigerVNC Viewer
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| 258 | Comment=VNC client
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| 259 | Exec=/usr/bin/vncviewer
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| 260 | Icon=tigervnc
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| 261 | Terminal=false
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| 262 | StartupNotify=false
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| 263 | Categories=Network;RemoteAccess;</literal>
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| 264 | EOF
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| 265 |
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| 266 | install -vm644 media/icons/tigervnc_24.png /usr/share/pixmaps &&
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| 267 | ln -sfv tigervnc_24.png /usr/share/pixmaps/tigervnc.png</userinput></screen>
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| 268 | -->
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| 269 | </sect2>
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| 270 |
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| 271 | <sect2 role="commands">
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| 272 | <title>Command Explanations</title>
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| 273 |
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| 274 | <para>
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| 275 | <command>tar -xf .. xorg-server...</command>: This command extracts the
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| 276 | standard Xorg package into the tree in a location needed for modification.
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| 277 | </para>
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| 278 |
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| 279 | <para>
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| 280 | <parameter>--disable ...</parameter>: Most options that are usually
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| 281 | needed for the standard Xorg server are not needed for the Xvnc
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| 282 | instance being built.
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| 283 | </para>
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| 284 |
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| 285 | <para>
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| 286 | <command>[ -e /usr/bin/Xvnc ] || ln ... Xvnc</command>: If the Xvnc server
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| 287 | is not installed in the <filename class='directory'>/usr/bin</filename>
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| 288 | directory, then create a link so the <command>vncserver</command> script
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| 289 | can find it.
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| 290 | </para>
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| 291 |
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| 292 | </sect2>
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| 293 |
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| 294 | <sect2 role="configuration">
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| 295 | <title>Configuring Tigervnc</title>
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| 296 |
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| 297 | <para revision='sysv'>
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| 298 | The default installation of this package makes some changes in the way it
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| 299 | is used. The vncserver perl script is placed in /usr/bin/libexec and the
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| 300 | server is designed to be run via a systemd style .service file or the
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| 301 | vncsession script as the root user. The man page for vncserver is placed
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| 302 | in section 8 of the man pages. The new procedures require a display
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| 303 | manager to be installed.
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| 304 | </para>
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| 305 |
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| 306 | <para revision='sysv'>
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| 307 | To restore the previous behavior, install the additional downloaded
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| 308 | files as the <systemitem class="username">root</systemitem> user:</para>
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| 309 |
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| 310 | <screen role="root" revision='sysv'><userinput>install -m755 --owner=root ../vncserver /usr/bin &&
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| 311 | cp ../vncserver.1 /usr/share/man/man1</userinput></screen>
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| 312 |
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| 313 | <para revision='sysv'>
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| 314 | Using the previous procedures, the user specific configuration files of
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| 315 | vncserver reside in the <filename class='directory'>.vnc</filename>
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| 316 | directory in the user's home directory. The
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| 317 | <filename>xstartup</filename> file in that directory is a script
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| 318 | specifying what commands to run when a VNC desktop is started. If no
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| 319 | <filename>xstartup</filename> file exists, <command>vncserver</command>
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| 320 | will try to start an xterm in a twm session. An example
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| 321 | <filename>xstartup</filename> would be:
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| 322 | </para>
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| 323 |
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| 324 | <screen revision='sysv'>#!/bin/sh
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| 325 | [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
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| 326 | [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
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| 327 | startlxde &</screen>
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| 328 |
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| 329 | <para revision='sysv'>
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| 330 | The <filename>xstartup</filename> file must be executable for the
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| 331 | commands in it to be executed, so run <command>chmod a+x
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| 332 | ~/.vnc/xstartup</command>.
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| 333 | </para>
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| 334 |
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| 335 | <para revision='sysv'>
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| 336 | Set up the vnc passwd with <command>vncpasswd</command>. The
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| 337 | server can then be started with the <command>vncserver</command>
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| 338 | command.
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| 339 | See the man pages in section 1 for the vncserver for the server
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| 340 | system and vncviewer for the remote system.
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| 341 | </para>
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| 342 |
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| 343 | <bridgehead renderas="sect3" revision="systemd">Server Configuration</bridgehead>
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| 344 |
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| 345 | <!--
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| 346 | <note revision="systemd">
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| 347 | <para>
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| 348 | This section is optional and is only useful if you want to have VNC
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| 349 | sessions launch on system startup. Both configuration methods can
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| 350 | coexist on the same system.
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| 351 | </para>
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| 352 | </note>
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| 353 | -->
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| 354 | <para revision="systemd">
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| 355 | On systemd systems, another method of configuration is available.
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| 356 | This configuration provides the added benefit of making tigervnc
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| 357 | systemd aware for VNC sessions and allows desktop environments like
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| 358 | <application>GNOME</application> to autostart services once the VNC
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| 359 | session is started. This configuration also gives the added benefit
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| 360 | of starting VNC Sessions on system startup. To set up the VNC server
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| 361 | in this fashion, follow these instructions.
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| 362 | </para>
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| 363 |
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| 364 | <para revision="systemd">
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| 365 | First, install a rudimentary Xsession file so that the VNC server
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| 366 | can initialize X sessions properly:
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| 367 | </para>
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| 368 |
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| 369 | <screen role="root" revision="systemd"><userinput>install -vdm755 /etc/X11/tigervnc &&
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| 370 | install -v -m755 ../Xsession /etc/X11/tigervnc</userinput></screen>
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| 371 |
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| 372 | <para revision="systemd">
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| 373 | Next, set up a user mapping in
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| 374 | <filename>/etc/tigervnc/vncserver.users</filename>. This tells the VNC
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| 375 | Server which session is allocated to a user.
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| 376 | <!-- For example: :1=renodr will assign 'renodr' to :1 -->
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| 377 | </para>
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| 378 |
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| 379 | <screen role="root" revision="systemd"><userinput>echo ":1=$(whoami)" >> /etc/tigervnc/vncserver.users</userinput></screen>
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| 380 |
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| 381 | <para revision="systemd">
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| 382 | Next, set up a configuration file to tell
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| 383 | <application>vncserver</application> which desktop environment should be
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| 384 | used and what display geometry should be used. There are several other
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| 385 | options that can be defined in this file, but they are outside the scope
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| 386 | of BLFS.
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| 387 | </para>
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| 388 |
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| 389 | <screen revision="systemd"><userinput>install -vdm 755 ~/.vnc &&
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| 390 | cat > ~/.vnc/config << EOF
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| 391 | <literal># Begin ~/.vnc/config
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| 392 | # The session must match one listed in /usr/share/xsessions.
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| 393 | # Ensure that there are no spaces at the end of the lines.
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| 394 |
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| 395 | session=lxqt
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| 396 | geometry=1024x768
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| 397 |
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| 398 | # End ~/.vnc/config</literal>
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| 399 | EOF</userinput></screen>
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| 400 |
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| 401 | <para revision="systemd">
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| 402 | To start the VNC Server, run the following command:
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| 403 | </para>
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| 404 |
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| 405 | <screen role="root" revision="systemd"><userinput>systemctl start vncserver@:1</userinput></screen>
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| 406 |
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| 407 | <para revision="systemd">
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| 408 | To start the VNC Server when the system boots, run the following command:
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| 409 | </para>
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| 410 |
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| 411 | <screen role="root" revision="systemd"><userinput>systemctl enable vncserver@:1</userinput></screen>
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| 412 |
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| 413 | </sect2>
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| 414 |
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| 415 | <sect2 role="content">
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| 416 | <title>Contents</title>
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| 417 |
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| 418 | <segmentedlist>
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| 419 | <segtitle>Installed Programs</segtitle>
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| 420 | <segtitle>Installed Libraries</segtitle>
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| 421 | <segtitle>Installed Directories</segtitle>
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| 422 |
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| 423 | <seglistitem>
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| 424 | <seg>Xvnc,
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| 425 | vncconfig,
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| 426 | vncpasswd,
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| 427 | vncserver,
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| 428 | vncviewer, and
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| 429 | x0vncserver</seg>
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| 430 |
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| 431 | <seg>libvnc.so</seg>
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| 432 | <seg>/usr/share/doc/tigervnc-&tigervnc-version;</seg>
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| 433 | </seglistitem>
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| 434 | </segmentedlist>
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| 435 |
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| 436 | <variablelist>
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| 437 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 438 | <?dbfo list-presentation="list"?>
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| 439 | <?dbhtml list-presentation="table"?>
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| 440 |
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| 441 | <varlistentry id="xvnc">
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| 442 | <term><command>Xvnc</command></term>
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| 443 | <listitem>
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| 444 | <para>
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| 445 | is a X VNC (Virtual Network Computing) server.
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|---|
| 446 | It is based on a standard X server, but it has a
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| 447 | <quote>virtual</quote> screen rather than a physical one
|
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| 448 | </para>
|
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| 449 | <indexterm zone="tigervnc xvnc">
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| 450 | <primary sortas="b-xvnc">Xvnc</primary>
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| 451 | </indexterm>
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| 452 | </listitem>
|
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| 453 | </varlistentry>
|
|---|
| 454 |
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| 455 | <varlistentry id="vncconfig">
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| 456 | <term><command>vncconfig</command></term>
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|---|
| 457 | <listitem>
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| 458 | <para>
|
|---|
| 459 | is a program to configure and control a VNC server
|
|---|
| 460 | </para>
|
|---|
| 461 | <indexterm zone="tigervnc vncconfig">
|
|---|
| 462 | <primary sortas="b-vncconfig">vncconfig</primary>
|
|---|
| 463 | </indexterm>
|
|---|
| 464 | </listitem>
|
|---|
| 465 | </varlistentry>
|
|---|
| 466 |
|
|---|
| 467 | <varlistentry id="vncpasswd">
|
|---|
| 468 | <term><command>vncpasswd</command></term>
|
|---|
| 469 | <listitem>
|
|---|
| 470 | <para>
|
|---|
| 471 | allows you to set the password used to access VNC desktops
|
|---|
| 472 | </para>
|
|---|
| 473 | <indexterm zone="tigervnc vncpasswd">
|
|---|
| 474 | <primary sortas="b-vncpasswd">vncpasswd</primary>
|
|---|
| 475 | </indexterm>
|
|---|
| 476 | </listitem>
|
|---|
| 477 | </varlistentry>
|
|---|
| 478 |
|
|---|
| 479 | <varlistentry id="vncserver">
|
|---|
| 480 | <term><command>vncserver</command></term>
|
|---|
| 481 | <listitem>
|
|---|
| 482 | <para>
|
|---|
| 483 | is a perl script used to start or stop a VNC server
|
|---|
| 484 | </para>
|
|---|
| 485 | <indexterm zone="tigervnc vncserver">
|
|---|
| 486 | <primary sortas="b-vncserver">vncserver</primary>
|
|---|
| 487 | </indexterm>
|
|---|
| 488 | </listitem>
|
|---|
| 489 | </varlistentry>
|
|---|
| 490 |
|
|---|
| 491 | <varlistentry id="vncviewer">
|
|---|
| 492 | <term><command>vncviewer</command></term>
|
|---|
| 493 | <listitem>
|
|---|
| 494 | <para>
|
|---|
| 495 | is a client used to connect to VNC desktops
|
|---|
| 496 | </para>
|
|---|
| 497 | <indexterm zone="tigervnc vncviewer">
|
|---|
| 498 | <primary sortas="b-vncviewer">vncviewer</primary>
|
|---|
| 499 | </indexterm>
|
|---|
| 500 | </listitem>
|
|---|
| 501 | </varlistentry>
|
|---|
| 502 |
|
|---|
| 503 | <varlistentry id="x0vncserver">
|
|---|
| 504 | <term><command>x0vncserver</command></term>
|
|---|
| 505 | <listitem>
|
|---|
| 506 | <para>
|
|---|
| 507 | is a program to make an X display on a physical
|
|---|
| 508 | terminal accessible via TigerVNC or compatible viewers
|
|---|
| 509 | </para>
|
|---|
| 510 | <indexterm zone="tigervnc x0vncserver">
|
|---|
| 511 | <primary sortas="b-x0vncserver">x0vncserver</primary>
|
|---|
| 512 | </indexterm>
|
|---|
| 513 | </listitem>
|
|---|
| 514 | </varlistentry>
|
|---|
| 515 |
|
|---|
| 516 | </variablelist>
|
|---|
| 517 |
|
|---|
| 518 | </sect2>
|
|---|
| 519 |
|
|---|
| 520 | </sect1>
|
|---|
