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ssh -L 7070:localhost:* remotehost
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7070ÊDZ¾µØ¶Ë¿Ú£¬¿ÉÒÔÈÎÒâÉèÖã¬Ö»Òª²»ºÍÆäËûÒѾ­Ê¹ÓõÄÍøÂç·þÎñ³åÍ»¾Í¿ÉÒÔ¡£localhostÊDZ¾µØÖ÷»ú£¬Ò²¾ÍÊÇÄãµÄµçÄÔ£¬²»Óøü¸Ä£¬*ºÅ¿ÉÒÔ×Ô¶¯
ѰÕÒÔ¶³ÌÖ÷»ú¿ÉÓõĶ˿ڡ£remotehost¾ÍÊÇËùÒªµÇ¼µÄÔ¶³ÌSSHÖ÷»úÃû³Æ¡£
ssh -qTfnN -D 7070 remoteho
st
All the added options are for a ssh session that’s used for tunneling.
-q :- be very quite, we are acting only as a tunnel.
-T :- Do not allocate a pseudo tty, we are only acting a tunnel.
-f :- move the ssh process to background, as we don’t want to interact with this ssh session directly.
-N :- Do not execute remote command.
-n :- redirect standard input to /dev/null.
In addition on a slow line you can gain performance by enabling compression with the -C option.


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ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

Linux Ðźż¯ dzÎö

  LinuxÐźÅÓжàÖÖ˵·¨¡£Ò»¸ö½ø³Ì´´½¨Ò»¸öÐźÅÓÃÓÚ·¢Ë͸øÁíÍâÒ»¸ö½ø³Ì½Ð×ö·¢ËÍÒ»¸öÐźţ¬Äں˴´½¨Ò»¸öÐźŽÐ×öÉú³ÉÒ»¸öÐźţ¬½ø³Ì×Ô¼ºÏò×Ô¼º·¢ËÍÐźŽÐ×ö»½ÆðÒ»¸öÐźš£²»¹ýÎÒ¿´Ò²Ã»±ØÒªÕâôѧ¾¿Æø¡£
  Ðźż¯--signel set,Æäʵ¾ÍÊǽ«¶à¸öÐźŷÅÔÚ¼¯ºÏÖнøÐм¯ÖеĴ¦Àí¡£POSIX.1¶¨ÒåÁËsigset_tÒÔ°üº­Ò»¸öÐźż¯£ ......

²é¿´linux°æ±¾ÃüÁî

1. ²é¿´Äں˰汾ÃüÁ
1) [root@q1test01 ~]# cat /proc/version
Linux version 2.6.9-22.ELsmp (bhcompile@crowe.devel.redhat.com) (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) #1 SMP Mon Sep 19 18:00:54 EDT 2005
2) [root@q1test01 ~]# uname -a
Linux q1test01 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 ......

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tftpÊǺÍxinetd·þÎñÓÐÒÀÀµ¹ØÏµµÄ£¬ËùÒÔ°²×°tftpµÄʱºò£¬ÒªÏȰ²×° xinted·þÎñ¡£
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/etc/xinetd.d/tftp
service tftp
{
        disable   = yes
        socket_type      &n ......
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