\documentclass[letterpaper,english]{article}
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\title{The LBX Mini-HOWTO}
\author{Paul D. Smith, {\ttfamily \onlynameurl{psmith@baynetworks.com}}}
\date{v1.04, 11 December 1997}
\abstract{LBX (Low Bandwidth X) ÊÇÒ»ÖÖÔÚ X Protocol ÉÏ½øÐÐÑ¹ËõµÄ X Server ÑÓÉì¡£ËûµÄÓÃÒâÔÚì¶¸ÄÉÆµÍËÙÍøÂ·Á¬½ÓÊ±£¬X ³ÌÊ½Óë X Server ÏÔÊ¾¼°»ØÓ¦µÄÊ±¼ä¡£}


\begin{document}
\maketitle
\tableofcontents

\section{ÄÚÈÝ}

X protocol ¿ÉÄÜÖÆÔìÍøÂ·ÉÏµÄÛÕÈû£¬
ÓÈÆäÊÇÒ»Ð©¿´ËÆ¼òµ¥µÄÊÂÇé£¬ÀýÈç¿ªÐÂµÄÊÓ´°¡£
ÈÎºÎÈË³¢ÊÔÖøÔÚ 28.8 »òÊÇ¸ü¿ìµÄ²¦½ÓÍøÂ·ÉÏÊ¹ÓÃ X
¿ªÆôÒ»¸ö X ÊÓ´°¶¼ÄÜÔì³É¼«Í´¿àµÄµÈ´ý¡£

LBX »ù±¾ÉÏÊÇÎªÁË¼õÉÙÁ½¸öÏµÍ³µÄ X Ñ¶Ï¢½»»»Ñ¹Ëõ¼«¿ìÈ¡µÄ×¨°¸¡£






\section{LBX Ä¿Ç°µÄ×´¿ö£¿}

LBX ÍêÈ«ÑÓÉìÔÚ 1996Ê®¶þÔÂÓÉ X ÉçÈºÊÍ³ö X11R6.3 µÄ X Protocol ¡£
ÒÔ XFree86 ¼Ò×å¶øÑÔ£¬ËýËãÊÇ XFree86 3.3.x ÏµÁÐµÄÒ»·Ö×Ó¡£




\section{Ë­ÄÜÔÙ LBX ÉÏ»ñµÃÀûÒæ£¿}

Èç¹ûÄãÀûÓÃ²¦½ÓÊ¹ÓÃ·þÎñ£¬LBX ½«¿ÉÒÔ¼ÓËÙ X
³ÌÊ½ì¶Ô¶¶ËÖ´ÐÐ£¬¶øÔÚ DISPLAY »·¾³±äÊýÉè¶¨µÄ±¾¶ËµÄ
Á¬½Ó¡£´ËÍâÈç¹û DISPLAY Éè¶¨¿çÔ½ WAN (ÀýÈç¿ç¹úµÄ)
»òÊÇÆäËûµÄµÍËÙÁ¬½Ó£¬ LBX ¶¼ÓÐËùÖúÒæ¡£






\section{Ë­²»ÐèÒª LBX£¿}

Èç¹ûÄã¾µ¾²Ö¹ÐèÒªÔÚ±¾¶ËÊ¹ÓÃX
»òÊÇÄã¸ù±¾²»Ê¹ÓÃ X£¬µ±È»£¬ LBX ²»»áÓÐÈÎºÎÖúÒæ¡£

Èç¹ûÄãÔÚ¸ßËÙµÄ LAN ÉÏ£¬ LBX Ò²²»»áÓÐÌ«´óÖúÒæ¡£  
ÓÐÐ©ÈËÒ²Ðí»áÎÊ"Èç¹û LBX ÄÜ¼õµÍÍøÂ·½»Í¨£¬ÄÇ÷áÎªÊ²»áÔÚ
¸ßËÙµÄ LAN ÉÏÃ»ÓÐ°ïÖú£¿"  Èç¹ûÄãµÄÄ¿µÄÊÇÔÚì¶¼õÉÙÍøÂ·Á÷Á¿
ÄÇ÷áËüµÄÈ·¿ÉÄÜÓÐËù°ïÖú¡£ µ«ÊÇÄãµÄÄ¿µÄÊÇ¼õÉÙ X µÄ»ØÓ¦Ê±¼ä£¬
LBX ¿ÉÄÜ²»ÊÇÄãËùÐèÒªµÄ¡£  ËäÈ»ËüÊ¹ÓÃ¿ìÈ¡ÒÔ¼°
Ñ¹Ëõ£¬µ«ÊÇËûÃÇÒ²Ôì³ÉÒ»Ð©»¨·Ñ ( ¿ìÈ¡ÐèÒª¼ÇÒäÌå
Ñ¹ËõÐèÒª CPU Ê±¼ä )¡£  Èç¹ûÄãµÄÁ¬ÏßÒÑ¾­ºÜ¿ìËÙÁË
LBX ·´¶ø¿ÉÄÜ½µµÍËÙ¶È¡£






\section{ÈçºÎÈÃ LBX ¹¤×÷£¿}

LBX ÀûÓÃÔÚ X client ¶ËµÄÒ»¸ö´¦Àí¿ìÈ¡ºÍÑ¹ËõµÄ{\itshape ´úÀíËÅ·þÆ÷\/}¹¤×÷¡£ 
X ËÅ·þÆ÷ÖªµÀÔ¶¶ËÊ¹ÓÃÕâÒ»¸ö´úÀí×°ÖÃ£¬²¢ÒÀ¾ÝËû¶ø½øÐÐ½âÑ¹Ëõ¡£

ÒÔÏÂÊÇ X clientsµÄÒ»°ãÉè¶¨¡£ÔÚÎÒÃÇµÄÌÖÂÛÖÐ±¾¶Ë (LOCAL)
Ö¸µÄÊÇÔÚÄãÃæÇ°µÄ¹¤×÷Õ¾£¬ÄãÄÜ¼ûµ½ËüµÄÓ©Ä»¡£¶øÔ¶¶Ë (REMOTE) 
Ö¸µÄÊÇÄãÔ¶¶ËÅÜ³ÌÊ½µÄ¹¤×÷Õ¾¡£

\begin{tscreen}
\par
\addvspace{\medskipamount}
\nopagebreak\hrule
\begin{verbatim}
     REMOTE                               LOCAL
 +-----+                                             +-----+
 | APP |-\          Network            +----------+  |     |\
 +-----+  \--------------------------->| X SERVER |=>|     ||
 +-----+  /       (X Protocol)         +----------+  +-----+\
 | APP |-/                                          /_____//
 +-----+
\end{verbatim} 
\nopagebreak\hrule 
\addvspace{\medskipamount}
\end{tscreen}


µ±Ê¹ÓÃ LBX £¬Ò»¸ö´úÀíËÅ·þÆ÷ ( {\ttfamily lbxproxy} ) ÔÚÔ¶¶Ë±»´¦Àí
£¬ÏÖÔÚ±¾¶ËÏÈºÍ´úÀíËÅ·þÆ÷¹µÍ¨£¬¶ø²»ÊÇÖ±½ÓºÍ³ÌÊ½¹µÍ¨¡£
½ÓÖøÕâ³ÌÐò´¦Àí¿ìÈ¡ÒÔ¼°Ñ¹Ëõ X µÄÒªÇó²¢´«µÝËûÃÇ¡£
ËûÃÇ¿´ÆðÀ´ÏñÊÇ¡Ã

\begin{tscreen}
\par
\addvspace{\medskipamount}
\nopagebreak\hrule
\begin{verbatim}
     REMOTE                                         LOCAL
                                                               +-----+
 +-----+  +-------+           Network            +----------+  |     |\
 | APP |->| PROXY |----------------------------->| X SERVER |=>|     ||
 +-----+  +-------+       (LBX/X Protocol)       +----------+  +-----+\
 +-----+   /                                                  /_____//
 | APP |--/
 +-----+
\end{verbatim} 
\nopagebreak\hrule 
\addvspace{\medskipamount}
\end{tscreen}


ÖÁì¶µ½µ×ÊÇÊ²÷á¶«Î÷±»Ñ¹ËõÒÔ¼°±»¿ìÈ¡Ôò²»ÊÇÕâ·ÅÎÄ¼þÌÖÂÛµÄ¡õÎ§¡£




\section{ÎÒÐè×¼±¸ÒªÊ²÷áÈ¥Ê¹ÓÃ LBX£¿}

ÄãÐèÒªÒ»¸öÒÑ¾­½« LBX ±àÒëÕûºÏÔÚ±¾¶ËµÄ X Server¡£
³ý·ÇÄãÔÚ±àÒëµÄÊ±ºòÖ¸¶¨²»½« LBX ÕûºÏì¶ÆäÖÐ£¬
·ñÔò X11R6.3 »á×Ô¶¯µÄÊ¹ÓÃ LBX µÄÌØÐÔ¡£
ËùÓÐµÄ XFree86 3.3 server Ô¤Éè¶¼»á°Ñ LBX ÕûºÏì¶ÆäÖÐ¡£

Äã¿ÉÒÔÊ¹ÓÃ {\ttfamily xdpyinfo} Õâ¸öÃüÁî¼ìÊÇÄãµÄ server ÊÇ·ñ´ò¿ªÁË LBX µÄ¹¦ÄÜ¡£
Ö´ÐÐ {\ttfamily xdpyinfo} ¼´¿ÉÔÚ number of extensions µÄÁÐ±íÏÂÃæ£¬¼ûµ½ LBX ÁÐÔÚÆäÖÐ¡£

ÏÂÒ»²»ÄãÐèÒªÒ»¸öÔÚÔ¶¶ËÒÑ¾­½« {\ttfamily lbxproxy} Õâ³ÌÊ½±àÒëÔÚÄÚµÄÏµÍ³¡£
Õâ±ßÓÐ¸öÏÝÚå¡£  Èç¹ûÔ¶¶ËµÄÏµÍ³ºÍÄã±¾¶Ë²»Í¬£¬ÄÇ÷áÔÚ±¾¶ËµÄ {\ttfamily lbxproxy} ½«²»»á×÷ÓÃ¡£

ºÜ²»ÐÒµÄ£¬Ã»ËùËùÎ½·ÖÀë¿ªµÄ {\ttfamily lbxproxy} £¬ËùÒÔ
Äã±ØÐë (a) ËùÓÐµÄÔ¶¶ËÏµÍ³¶¼Ê¹ÓÃX11R6.3£¬»òÊÇ (b) ÕÒÒ»¸öÕë¶ÔÄãµÄ±¾¶ËÏµÍ³Ô¤ÏÈ±àÒëºÃµÄ {\ttfamily lbxproxy}¡£
µ±È»ááÕßÊÇ±È½Ï·½±ãµÄ¡£

{\ttfamily lbxproxy} ½ö½öÊÇÒ»¸öµ¥Ò»Ö´ÐÐµµ¡£
ËüÃ»ÓÐÈÎºÎµÄÉè¶¨µµ»òÊÇ×ÊÔ´µµ£¬»òÖîÈç´ËÀàµÄµµ°¸¡£




\section{ÎÒ²»ÐèÒª×¼±¸Ê²÷áÈ¥Ê¹ÓÃ LBX£¿}

Ô¶¶ËÏµÍ³{\bfseries ²»ÐèÒª}Ò»¸öÐÂµÄ X server (ÈçÍ¬Ò»°ãµÄ×´¿ö£¬Ô¶¶ËÏµÍ³²¢²»ÐèÒª{\itshape ÈÎºÎ\/}Ò»¸ö X Server).

ÄãËùÐèµÄ³ÌÊ½²¢{\bfseries ²»ÐèÒª}Ö¸¶¨ÌØ±ð°æ±¾µÄ X »òÊÇÌØ±ðµÄº¯Ê½¿â¡£
ÎÒ½èÓÉ LBX Ê¹ÓÃ X11R5 µÄ³ÌÊ½£¬Ò²Ã»Åöµ½Ê²÷áÎÊÌâ¡£

Äã{\bfseries ²»ÐèÒª}Ê¹ÓÃ root »òÊÇÌØ±ðµÄÈ¨ÏÞ´æÈ¡Ñ¡¶ËÏµÍ³¡£
ÄãÖ»ÐèÒªÒ»°ãµÄÈ¨ÏÞÖ´ÐÐ {\ttfamily lbxproxy}¡£
ÁíÍâÄãÖ»ÐèÒªÔÚÄã×Ô¼ºµÄ¼ÒÄ¿Â¼ÏÂÖ´ÐÐ¼´¿É£¬lbxproxy ²¢²»ÐèÒª°²×°ÔÚÌØ¶¨µÄÄ¿Â¼¡£




\section{ÈçºÎÊ¹ LBX ¿ªÊ¼¹¤×÷£¿}

OK£¬½ÓÏÂÀ´µÄ²½Öè¶¼ºÜ¼òµ¥¡£
½«ÏÂÁÐ LOCAL ÒÔ¼° REMOTE ÓÃÄã±¾¶ËÒÔ¼°Ô¶¶ËµÄÖ÷»úÃû³ÆÈ¡´ú¡£
( Ç§Íò²»Òª¸ã»ìÁË )On LOCAL:

\begin{enumerate}
\item  Æô¶¯ÄãµÄ X server¡£
\item  ¸æËßÄãµÄ X server ÄÄÐ©Ô¶¶ËÏµÍ³ÊÇ±»ÔÊÐí´æÈ¡µÄ¡£
Ê¹ÓÃ host-list µÄ·½·¨£¬¼üÈë {\ttfamily xhost + REMOTE}¡£Èç¹ûÄãÒªÊ¹ÓÃ {\ttfamily xauth} 
ÄãÐèÒª×÷¸ü¶àÊÂÇé£»Çë²ÎÔÄ man {\itshape xauth(1)\/} ÒÔ»ñµÃ¸ü¶àµÄ×ÊÑ¶¡£

Èç¹ûÄã²»ÊìÏ¤ X Ô¶¶ËµÄ´æÈ¡£¬ÄÇ÷áÄãÐèÒª²ÎÔÄ
\nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO} ¡£
\end{enumerate}


On REMOTE:

\begin{enumerate}
\item  ÆðÊ¼ {\ttfamily lbxproxy} ²¢¸æËßËü´«ËÍÑ¶Ï¢µ½±¾¶ËµÄ X server£¬ÈçÏÂ¡Ã

\begin{tscreen}
\begin{verbatim}
  $ lbxproxy -display LOCAL:0 :1 &
\end{verbatim}
\end{tscreen}


Õâ¸æËß {\ttfamily lbxproxy} ÔÚÔ¶¶ËÏµÍ³Ê¹ÓÃ display {\ttfamily :1} £»Èç¹ûÏµÍ³´óì¶
1 µÄ display ÒÑ¾­ÔÚÊ¹ÓÃ¡£Äã¿ÉÒÔÊ¹ÓÃ {\ttfamily :2} Ö®ÀàµÄÉè¶¨È¡´ú¡£
\item  Éè¶¨ÄãµÄ DISPLAY »·¾³±äÊý£¬Ê¹´Ë»·¾³±äÊýºÍÄã
{\ttfamily lbxproxy} ËùÉè¶¨µÄÏàÍ¬¡£È¡´úÆ½³£µÄ DISPLAY Éè¶¨

\begin{tscreen}
\begin{verbatim}
  $ DISPLAY=:1
  $ export DISPLAY
\end{verbatim}
\end{tscreen}


Èç¹ûÄãÊ¹ÓÃ csh Ö®ÀàµÄ£¬ÒÔÏÂ¿ÉÄÜÊÇÄãËùÐèÒªµÄ¡Ã

\begin{tscreen}
\begin{verbatim}
  % setenv DISPLAY :1
\end{verbatim}
\end{tscreen}

\item  Èç¹ûÄãÊ¹ÓÃ {\ttfamily xauth} ÄãÐèÒªÈ·¶¨ÄãµÄ cookie ÕýÈ·µÄÔË×÷¡£Äã¿ÉÒÔ´Ó \nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO}
»ñµÄ¸ü¶àµÄ×ÊÑ¶¡£

\item  Ö´ÐÐÄãµÄ X ³ÌÊ½£¡
\end{enumerate}


½ÓÏÂÀ´¾ÍÍê³ÉÁË£»ËùÓÐÔÚ Display »·¾³±äÊýÎª{\ttfamily :1} µÄ X ³ÌÊ½¶¼»áÔÚ¶¼»áÊ¹ÓÃ
LBX¡£µ±È»£¬ÄãÃ»ÓÐ°ì·¨ÆðÊ¼Ò»¸ö X ³ÌÊ½£¬Æä Display µÄ»·¾³±äÊýÊÇÖ¸Ïò
{\ttfamily LOCAL:0} ÒÔ¼°ÔÚÍ¬Ò»¸öÊ±¼äÏÂÖ´ÐÐ¡£






\section{ÎÊÌâ}

Õâ±ßÓÐÒ»Ð©³£¼ûµÄÎÊÌâ¡Ã

\begin{description}
\item[Q)] \mbox{}

{\ttfamily lbxproxy} ÒÔ access denied µÄ´íÎó½áÊø³ÌÊ½¡£



\item[A)] \mbox{}

ÕâÊÇ´ú±íÄã½ø¶ËµÄÏµÍ³²»½ÓÊÜÑ¡¶ËÏµÍ³µÄÁ¬½á¶ø²úÉúµÄ´íÎó¡£
Çë²ÎÔÄ \nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO} ÓÐ¸üÏê¾¡µÄËµÃ÷¡£

Åöµ½ÕâÎÊÌâÊ±£¬ÓÐÒ»¸ö¼òµ¥µÄÊÔÑé·½Ê½¡£ÇëÊÔÖøÔÚÔ¶¶Ë²»ÒªÍ¸¹ý
{\ttfamily lbxproxy} Ö´ÐÐÒ»¸ö¼òµ¥µÄ X ³ÌÊ½£¬
±ÈÈçËµ {\ttfamily xclock} ¡Ã



\begin{tscreen}
\begin{verbatim}
  $ xclock -display LOCAL:0
\end{verbatim}
\end{tscreen}


Èç¹ûËü²»ÄÜÕý³£µÄ¹¤×÷£¬ÄÇ÷á¾Í±íÊ¾ÊÇ{\ttfamily xhost}»òÊÇ
ÆäËûÒ»Ð©»ù±¾µÄ X ÎÊÌâ¶ø²»ÊÇ LBX¡£

\end{description}





\section{Documentation}

ÔÚ±ê×¼µÄ X ÎÄ¼þÖÐ£¬Î¨Ò»¿ÉÒÔ²ÎÔÄµÄÎÄ¼þÓ¦¸ÃÊÇ man {\itshape lbxproxy(1)\/}¡£

Èç¹ûÄãÓÐ¿´ X µÄÔ­Ê¼µµ£¬ÄÇ÷áÏÂÁÐÓÐÐ©ÓÐÈ¤µÄ×ÊÑ¶ÓÐ¹Ø LBX ¡Ã

\begin{itemize}
\item {\ttfamily xc/doc/specs/Xext/lbx.mif} (Framemaker MIF)
\item {\ttfamily xc/doc/hardcopy/Xext/lbx.PS.Z} (Compressed Postscript)
\item {\ttfamily xc/doc/hardcopy/Xext/lbxTOC.html} (HTML)
\end{itemize}


LBX ¸üÉîÈëµÄÑÝËã·¨ÔÚÏÂÁÐµÄµØ·½¡Ã

\begin{itemize}
\item {\ttfamily xc/doc/specs/Xext/lbxalg.mif} (Framemaker MIF)
\item {\ttfamily xc/doc/specs/Xext/lbxalg.PS.Z} (Compressed Postscript)
\end{itemize}


Èç¹ûÄãÃ»ÓÐ X µÄÔ­Ê¼µµ£¬Äã¿ÉÒÔÓÉ \nameurl{ftp://ftp.x.org/pub/R6.3/xc/doc/}{X ×éÖ¯µÄ FTP Õ¾È¡µÃ}¡£






\section{Alternatives}

Èç¹ûÄãÓÐÄ³Ð©Ô­Òò²»Ï²»¶ {\ttfamily lbxproxy} ¡£ÀýÈçÄã²»Ï²»¶ËûµÄÖ´ÐÐÐ§ÂÊ£¬
Ëü²»°ïÄã¹¤×÷£¬ Äã²»ÏëÂé·³µÄÎªÔ¶¶Ë½¨Á¢ lbxproxy »òÖøÄãÖ»ÊÇÏëÊÇÊÇÆäËûµÄÑ¡Ôñ£¬
Õâ±ßÓÐÒ»Ð©ÆäËûµÄ X protocol Ñ¹Ëõ·½Ê½¡£ (ÓÐÃ»ÓÐÈËÓÐÆäËûµÄ·½°¸£¿)




\subsection{dxpc - Ò»¸ö¼«²»Ò»ÑùµÄ X Protocol Ñ¹Ëõ³ÌÊ½}

\begin{itemize}
\item Ô­±¾µÄ×÷Õß¡Ã \onlynameurl{Brian Pane $<$brianp@cnet.com$>$}
\item ÏÖÏÂµÄÎ¬»¤Õß¡Ã \onlynameurl{Zachary Vonler $<$lightborn@mail.utexas.edu$>$}
\end{itemize}


{\ttfamily \nameurl{http://ccwf.cc.utexas.edu/~zvonler/dxpc/}{dxpc}} ºÍ LBX ÒÔÏàÍ¬µÄ·½Ê½ÔË×÷¡£È»¶øÎªÁË±ÜÃâÐÞ¸Ä X ServerµÄÔ­Ê¼Âë
ÒÔ¼°Êµ×÷Ò»¸ö X Server µÄÀ©³ä{\ttfamily dxpc} Ê¹ÓÃ {\bfseries Á½¸ö} ´úÀíËÅ·þÆ÷¡Ã 
Ò»¸öÏñÊÇ {\ttfamily lbxproxy} ÅÜÔÚÔ¶¶ËµÄÏµÍ³£¬ÁíÒ»¸öÔòÔÚ±¾¶ËÖ´ÐÐ¡£

ÔÚÔ¶¶ËµÄ´úÀíËÅ·þÆ÷¸ºÔð¹µÍ¨ X Client ÒÔ¼°±¾¶ËµÄ´úÀíËÅ·þÆ÷£¬
¶ø±¾¶ËµÄ´úÀíËÅ·þÆ÷¸ºÔð¹µÍ¨ X Server ÒÔ¼°Ô¶¶ËµÄ´úÀíËÅ·þÆ÷¡£

ËùÒÔ£¬¶Ôì¶ X clients ÒÔ¼° X server  {\itshape Á½Ôì\/}£¬ËûÃÇ¶¼ÒÔÆ½³£µÄ´¦Àí·½Ê½´¦Àí X Protocol




\subsubsection{ÓÅµã}

\begin{itemize}
\item  ¼ÈÈ»ËüÊÇÍêÈ«µÄ¶ÀÁ¢³ÌÊ½¶ø²»ÐèÒª¶¯µ½ X µÄÄÚ²¿£¬
ËüÒ»¶¨{\itshape ·Ç³£µÄ\/} ÈÝÒ×±àÒëÒÔ¼°°²×°¡£
\item  ËüÊÇ¶ÀÁ¢µÄ±»Î¬»¤Öø£¬ËùÒÔÄã²»ÐèÒª
OSF ÊÍ³öÐÂµÄ X £¬¼´¿É¹ýµÄÐ§ÄÜµÄÔö½øÒÔ¼°´íÎóµÄÐÞÕý¡£
\item  ËüÌá¹©ÁË±È {\ttfamily lbxproxy} ¸ü¶àµÄÑ¹Ëõ×ÊÑ¶ÒÔ¼°Í³¼Æ×ÊÑ¶¡£
\end{itemize}





\subsubsection{È±µã}

\begin{itemize}
\item  Ëü²»ÊÇ X µÄ±ê×¼Ì×¼þ£¬Äã±ØÐë×Ô¼ºÈ¡µÃÒÔ¼°±àÒë°²×°¡£
\item  ËüÔÚ°²×°ÉÏ±äµÄ±È½Ï¸´ÔÓ£¬ÒòÎªËüÒªÇóÔÚ±¾¶ËÒ²ÒªÓÐÒ»¸öÏñÊÇÔ¶¶ËµÄ´úÀíËÅ·þÆ÷¡£
\end{itemize}





\subsubsection{ÎÒÔÚÄÄÀï¿ÉÒÔµÃµ½ dxpc£¿}

dxpc µÄÔ­Ê¼µµ¿ÉÒÔ×Ô\nameurl{ftp://ftp.x.org/contrib/utilities/}{ftp.x.org}È¡µÃ¡£

ÕâÀïÓÐÒ»¸öÍøÒ³\nameurl{http://ccwf.cc.utexas.edu/~zvonler/dxpc/}{}ÓÐ dxpc ºÜ¶à²»´íµÄ×ÊÑ¶¡£°üº¬ÁË dxpc µÄ mailing list£¬Ô­Ê¼µµ£¬ÒÔ¼°
Îª¶àÖÖÆ½Ì¨Ô¤ÏÈ±àÒëºÃµÄÖ´ÐÐµµ¡£




\subsection{Ssh (Secure Shell)}

\onlynameurl{Ken Chase $<$lbxhowto@sizone.org$>$}
notes that {\ttfamily \nameurl{http://www.cs.hut.fi/ssh/}{ssh}} 
ÄÜ±»ÓÃì¶Ñ¹Ëõ¡£ËäÈ»ËüÖ»ÒªµÄÄ¿µÄÊÇÎªÁË±£ÃÜ£¬µ«ÊÇËüÒ²Ñ¹ËõËü´«ËÍµÄ×ÊÁÏ¡£

ËùÒÔÈç¹ûÄã×ÔÒ»¸ö {\ttfamily ssh} Á¬½áÖ´ÐÐ X £¬ÄãÔÚÊ¹ÓÃ¼ä×ÔÈ»»áÑ¹Ëõ×ÊÁÏ¡£


\subsection{Ë­±È½ÏºÃ£¿}

ÎÒ²»ÖªµÀ¡£ LBX ÒÔ¼° {\ttfamily dxpc} ÔÚ´¿Ñ¹ËõÉÏ±È {\ttfamily ssh} ºÃ¡£µ±È»£¬ {\ttfamily ssh} Ìá¹©ÁËÔÚ°²È«ÉÏµÄ¸½¼Ó¹¦ÄÜ¡£
²»¹ý£¬Ò²Ã»ÓÐÈÎºÎÀíÓÉ½ûÖ¹ÄãÊ¹ÓÃ {\ttfamily ssh} ¼ÓÉÏÁíÍâÁ½ÖÖÖ®Ò»µÄÑ¹Ëõ·½Ê½£¬ÒÔ»ñµÃÁ¼ºÃµÄÑ¹ËõÒÔ¼°°²È«ÐÔ¡£

ÔÚÕâÐ©Ñ¡ÔñÉÏÅÜÒ»Ð©ÆÀÁ¿ÒÔ»ñÈ¡Í³¼Æ×ÊÑ¶£¬Ó¦¸Ã²»ÊÇºÜÄÑµÄÊÂ¡£
µ«ÊÇÎÒÃ»ÓÐ×ö¹ýÕâ¼þÊÂ£¬Ò²Ã»ÓÐÌýËµ¹ýÈÎºÎÈË×ö¹ý¡£

\end{document}
