¿ªÆôºÍ¹Ø±ÕLINUX ·Å»ðǽµÄÃüÁî
ÕâÀï¸ø´ó¼ÒÌṩһ¸ö¿ªÆôºÍ¹Ø±ÕLINUX ·Å»ðǽµÄÃüÁîÒÔ¼° ÈçºÎ²é¿´·À»ðǽÊÇ·ñ°²×°ºÍÅäÖÃÇé¿ö
½â¾ö°ì·¨£º
¹Ø±Õ£º /etc/rc.d/init.d/iptables stop
Æô¶¯£º /etc/rc.d/init.d/iptables start
²é¿´µ±Ç°ÅäÖãºiptables -L
service iptables stop |start
chkconfig iptables --list
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -F
iptables -X
ÕâÑù¾Í¸ÉµôÁË·À»ðǽµÄfilterÁ´¹æÔòÁË
iptables -L -n -v ¿´¿´INPUTµÄ¹æÔòÉèÖÃÎÊÌâ
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌṩÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
×÷Õߣº·¶Ò»º½,»ªÇåÔ¶¼ûÉîÛڸ߼¶½²Ê¦
FLASHÇý¶¯ÔÚǶÈëʽϵͳÖÐÓÐמÙ×ãÇáÖصÄλÖ㬶øÄ¿Ç°Êг¡ÉÏNAND FLASHµÄ¼Û¸ñÓÖÒª±ãÒËÓëNOR FLASH,Ëæ×ÅÔ½À´Ô½¶àµÄƽ̨֧³Ö´ÓNAND FLASHÖÐÆô¶¯£¬ÕÆÎÕNAND flashµÄÇý¶¯±àдÓÐ×ÅÖØÒªµÄÏÖʵÒâÒ壬ÓÉÓÚÄÚºËÒѾÍê³ÉÁ˴󲿷ֵŤ×÷£¬Êµ¼Ê¹¤×÷Öд󲿷ֹ¤³Ìʦ¶ÔNAND FLASHÇý¶¯Ö»ÊǼòµ¥µÄÐ޸ģ¬ ......
linuxϵͳϲ鿴ºÍÉèÖÃÈÕÆÚʱ¼äµÄÃüÁÊÇdate¡£
²é¿´ÈÕÆÚʱ¼äÃüÁdate
ÉèÖÃÈÕÆÚʱ¼äÃüÁdate -s [date|time]
ÉèÖÃϵͳÈÕÆÚºÍʱ¼äΪ:2008Äê9ÔÂ9ÈÕ14ʱ25·Ö49Ãë
date -s '20080909 14:25:49' //Ò»¶¨Òª¼ÓÒýºÅ²ÅÐС£ ......
1.1.5 UNIX
¡¡¡¡UNIX/Linux»ù±¾½á¹¹
¡¡¡¡Í¼1-3»æ³öÁËUNIXϵͳµÄ¸ß²ã´ÎµÄÌåϵ½á¹¹¡£Í¼ÖÐÐĵÄÓ²¼þ²¿·ÖÏò²Ù×÷ϵͳÌṩ»ù±¾·þÎñ¡£²Ù×÷ϵͳֱ½ÓÓëÓ²¼þ½»»¥£¬Ïò³ÌÐòÌṩ¹«¹²·þÎñ£¬²¢Ê¹
ËüÃÇͬӲ¼þÌØÐÔ¸ôÀë¡£µ±ÎÒÃÇ°ÑÕû¸öϵͳ¿´³É²ãµÄ¼¯ºÏʱ£¬Í¨³£½«²Ù×÷ϵͳ³ÆΪϵͳÄںˣ¬»ò¼ò³ÆÄںˣ¬´Ëʱǿµ÷µÄÊÇËüͬÓû§³ÌÐòµÄ¸ôÀë¡ ......