LinuxÖ÷ÒªÐÔÄÜÖ¸±ê¼à¿Ø
1.CPU&½ø³Ì
1.1 topÃüÁî
top - 20:07:00 up 186 days, 3:47, 3 users, load average: 0.01, 0.02, 0.00
Tasks: 82 total, 1 running, 80 sleeping, 1 stopped, 0 zombie
Cpu(s): 3.7% us, 0.0% sy, 0.0% ni, 96.3% id, 0.0% wa, 0.0% hi, 0.0% si
µÚ1ÐÐ load average
ϵͳ¸ºÔØ£¬¼´ÈÎÎñ¶ÓÁеÄƽ¾ù³¤¶È¡£Èý¸öÊýÖµ·Ö±ðΪ 1·ÖÖÓ¡¢5·ÖÖÓ¡¢15·ÖÖÓÇ°µ½ÏÖÔÚµÄƽ¾ùÖµ¡£
µÚ2ÐÐ ½ø³ÌÇé¿ö
Tasks: 29 total ½ø³Ì×ÜÊý
1 running ÕýÔÚÔËÐеĽø³ÌÊý
28 sleeping ˯ÃߵĽø³ÌÊý
0 stopped Í£Ö¹µÄ½ø³ÌÊý
0 zombie ½©Ê¬½ø³ÌÊý
µÚ3ÐÐ cpuÀûÓÃÇé¿ö
¶à¿ÅcpuµÄϵͳ°´"1"²é¿´Ã¿¿ÅcpuÀûÓÃÂÊ
Cpu(s):
us Óû§¿Õ¼äÕ¼ÓÃCPU°Ù·Ö±È
sy Äں˿ռäÕ¼ÓÃCPU°Ù·Ö±È
ni Óû§½ø³Ì¿Õ¼äÄڸıä¹ýÓÅÏȼ¶µÄ½ø³ÌÕ¼ÓÃCPU°Ù·Ö±È
id ¿ÕÏÐCPU°Ù·Ö±È
wa µÈ´ýÊäÈëÊä³öµÄCPUʱ¼ä°Ù·Ö±È
hi Ó²¼þÖжÏ
si Èí¼þÖжÏ
ºóÃæÁ½¸ö²ÎÊýÎÒûÓÐÉîÈëÁ˽â¹ý£¬Ò²²»ÊǺÜÃ÷°×.
¹ØÓÚtopÃüÁîµÄÏêϸÇé¿ö£¬Çë²éÔÄtopÃüÁîÏê½âÎÄÕÂ
2.Memory
2.1 top ÃüÁî
Mem: 4149144k total, 3832668k used, 316476k free, 277592k buffers
Swap: 2096440k total, 144k used, 2096296k free, 2397028k cached
Mem:ÄÚ´æÀûÓÃÂÊ
total ÎïÀíÄÚ´æ×ÜÁ¿
used ʹÓõÄÎïÀíÄÚ´æ×ÜÁ¿
free ¿ÕÏÐÄÚ´æ×ÜÁ¿
buffers ÓÃ×÷Äں˻º´æµÄÄÚ´æÁ¿
Swap:ÄÚ´æ½»»»ÇøÀûÓÃÂÊSwap
total ½»»»Çø×ÜÁ¿
used ʹÓõĽ»»»Çø×ÜÁ¿
free ¿ÕÏн»»»Çø×ÜÁ¿
cached »º³åµÄ½»»»Çø×ÜÁ¿¡£ÄÚ´æÖеÄÄÚÈݱ»»»³öµ½½»»»Çø£¬¶øºóÓÖ±»»»Èëµ½Äڴ棬µ«Ê¹ÓùýµÄ½»»»ÇøÉÐδ±»¸²¸Ç£¬
¸ÃÊýÖµ¼´ÎªÕâЩÄÚÈÝÒÑ´æÔÚÓÚÄÚ´æÖеĽ»»»ÇøµÄ´óС¡£ÏàÓ¦µÄÄÚ´æÔٴα»»»³öʱ¿É²»±ØÔÙ¶Ô½»»»ÇøдÈë¡£
2.2 free
free -m ÄÚ´æÐÅÏ¢°´ÕÕMµ¥Î»ÏÔʾ
total used free shared buffers cached
Mem: &nb
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
VSFTPDµÄÉèÖÃÑ¡Ïî
¡¡¡¡VSFTPDµÄÅäÖÃÎļþ/etc/vsftpd/vsftpd.confÊǸöÎı¾Îļþ¡£ÒÔ“#”×Ö·û¿ªÊ¼µÄÐÐÊÇ×¢ÊÍÐС£Ã¿¸öÑ¡ÏîÉèÖÃΪһÐУ¬¸ñʽΪ“option=value”£¬×¢Òâ“=”ºÅÁ½±ß²»ÄÜÁô¿Õ°×·û¡£³ýÁËÕâ¸öÖ÷ÅäÖÃÎļþÍ⣬»¹¿ÉÒÔ¸øÌض¨Óû§É趨¸öÈËÅäÖÃÎļþ£¬¾ßÌå½éÉܼûºó¡£
¡¡¡¡VSFTPD°üÖÐËù´øµ ......
Íز¨±ü³Ð²»¶Ï¿ªÍؽøÈ¡µÄ¾«Éñ£¬ÔÚ¼¼ÊõÑз¢ºÍÖ§³ÖÉϲ»¶ÏµÄͶÈëÈËÁ¦ÎïÁ¦£¬Á¦ÇóÔÚ²»¶Ï±ä»¯µÄÊг¡ÐèÇóÖУ¬´ïµ½100%µÄ¿Í»§ÂúÒâ¶È¡£ÔÚ¸Õ¸Õ̤Èë2010Ä꣬¸ù¾Ý¹ýÍùµÄÊг¡µ÷²é£¬½áºÏ¿Í»§µÄÐèÇóºÍ½¨Ò飬Íز¨ÓʼþϵͳÍƳöÁËLinux_°²ÌÚ°æ±¾£¬×÷ΪдºË͸ø¹ã´ó¿Í»§µÄµÚÒ»·ÝÀñÎï¡£
°²ÌÚ´¦ÀíÆ÷ÊÇ×î½üÊ®Äê²ÅÖð½¥·¢Õ¹ÆðÀ´µ ......
1.1 Óï·¨»ù±¾½éÉÜ
1.1.1 ¿ªÍ·
³ÌÐò±ØÐëÒÔÏÂÃæµÄÐпªÊ¼£¨±ØÐë·½ÔÚÎļþµÄµÚÒ»ÐУ©£º
#!/bin/sh
·ûºÅ#!ÓÃÀ´¸æËßϵͳËüºóÃæµÄ²ÎÊýÊÇÓÃÀ´Ö´ÐиÃÎļþµÄ³ÌÐò¡£ÔÚÕâ¸öÀý×ÓÖÐÎÒÃÇʹÓÃ/bin/shÀ´Ö´ÐгÌÐò¡£
µ±±à¼ºÃ½Å±¾Ê±£¬Èç¹ûÒªÖ´Ðиýű¾£¬»¹±ØÐëʹÆä¿ÉÖ´ÐС£
Ҫʹ½Å±¾¿ÉÖ´ÐУº
±àÒë chmod +x filename ÕâÑù²ÅÄÜÓÃ./filena ......
ÐźÅÊÇLinux±à³ÌÖзdz£ÖØÒªµÄ²¿·Ö£¬±¾ÎĽ«Ïêϸ½éÉÜÐźŻúÖƵĻù±¾¸ÅÄî¡¢Linux¶ÔÐźŻúÖƵĴóÖÂʵÏÖ·½·¨¡¢ÈçºÎʹÓÃÐźţ¬ÒÔ¼°ÓйØÐźŵļ¸¸öϵͳµ÷Óá£
ÐźŻúÖÆÊǽø³ÌÖ®¼äÏ໥´«µÝÏûÏ¢µÄÒ»ÖÖ·½·¨£¬ÐźÅÈ«³ÆΪÈíÖжÏÐźţ¬Ò²ÓÐÈ˳Æ×÷ÈíÖжϡ£´ÓËüµÄÃüÃû¿ÉÒÔ¿´³ö£¬ËüµÄʵÖʺÍʹÓúÜÏóÖжϡ£ËùÒÔ£¬ÐźſÉÒÔ˵Êǽø³Ì¿ØÖƵÄÒ ......