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Ò»°ãrootÓû§²ÅÄÜÖ´ÐÐlsofÃüÁÆÕͨÓû§¿ÉÒÔ¿´¼û/usr/sbin/lsofÃüÁµ«ÊÇÆÕͨÓû§Ö´ÐлáÏÔʾ“permission denied”
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lsof abc.txt ÏÔʾ¿ªÆôÎļþabc.txtµÄ½ø³Ì
lsof -i :22 ÖªµÀ22¶Ë¿ÚÏÖÔÚÔËÐÐʲô³ÌÐò
lsof -c abc ÏÔʾabc½ø³ÌÏÖÔÚ´ò¿ªµÄÎļþ
lsof -g gid ÏÔʾ¹éÊôgidµÄ½ø³ÌÇé¿ö
lsof +d /usr/local/ ÏÔʾĿ¼Ï±»½ø³Ì¿ªÆôµÄÎļþ
lsof +D /usr/local/ ͬÉÏ£¬µ«ÊÇ»áËÑË÷Ŀ¼ÏµÄĿ¼£¬Ê±¼ä½Ï³¤
lsof -d 4 ÏÔʾʹÓÃfdΪ4µÄ½ø³Ì
lsof -i ÓÃÒÔÏÔʾ·ûºÏÌõ¼þµÄ½ø³ÌÇé¿ö
Óï·¨: lsof -i[46] [protocol][@hostname|hostaddr][:service|port]
46 --> IPv4 or IPv6
protocol --> TCP or UDP
hostname --> Internet host name
hostaddr --> IPv4λÖÃ
service --> /etc/serviceÖÐµÄ service name (¿ÉÒÔ²»Ö»Ò»¸ö)
port --> ¶Ë¿ÚºÅ (¿ÉÒÔ²»Ö»Ò»¸ö)
Àý×Ó: TCP:25 - TCP and port 25
@1.2.3.4 - Internet IPv4 host address 1.2.3.4
tcp@ohaha.ks.edu.tw:ftp - TCP protocol hosthaha.ks.edu.tw service name:ftp
lsof -n ²»½«IPת»»Îªhostname£¬È±Ê¡ÊDz»¼ÓÉÏ-n²ÎÊý
Àý×Ó: lsof -i tcp@ohaha.ks.edu.tw:ftp -n
lsof -p 12 ¿´½ø³ÌºÅΪ12µÄ½ø³Ì´ò¿ªÁËÄÄЩÎļþ
lsof +|-r [t] ¿ØÖÆlsof²»¶ÏÖØ¸´Ö´ÐУ¬È±Ê¡ÊÇ15sË¢ÐÂ
-r£¬lsof»áÓÀÔ¶²»¶ÏµÄÖ´ÐУ¬Ö±µ½ÊÕµ½ÖжÏÐźÅ
+r£¬lsof»áÒ»Ö±Ö´ÐУ¬Ö±µ½Ã»Óеµ°¸±»ÏÔʾ
Àý×Ó£º²»¶Ï²é¿´Ä¿Ç°ftpÁ¬½ÓµÄÇé¿ö£ºlsof -i tcp@ohaha.ks.edu.tw:ftp -r
lsof -s Áгö´ò¿ªÎļþµÄ´óС£¬Èç¹ûûÓдóС£¬ÔòÁôÏ¿հ×
lsof -u username ÒÔUID£¬Áгö´ò¿ªµÄÎļþ
 
Ò»°ãrootÓû§²ÅÄÜÖ´ÐÐlsofÃüÁÆÕͨÓû§¿ÉÒÔ¿´¼û/usr/sbin/lsofÃüÁµ«ÊÇÆÕͨÓû§Ö´ÐлáÏÔʾ“permission denied”
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lsof abc.txt ÏÔʾ¿ªÆôÎļþabc.txtµÄ½ø³Ì
lsof -i :22 ÖªµÀ22¶Ë¿ÚÏÖÔÚÔËÐÐʲô³ÌÐò
lsof -c abc ÏÔʾabc½ø³ÌÏÖÔÚ´ò¿ªµÄÎļþ
lsof -g gid ÏÔʾ¹éÊôgidµÄ½ø³ÌÇé¿ö
lsof +d /usr/local/ ÏÔʾĿ¼Ï±»½ø³Ì¿ªÆôµÄÎļþ
lsof +D /usr/local/ ͬÉÏ£¬µ«ÊÇ»áËÑË÷Ŀ¼ÏµÄĿ¼£¬Ê±¼ä½Ï³¤
lsof -d 4 ÏÔʾʹÓÃfdΪ4µÄ½ø³Ì
lsof -i ÓÃÒÔÏÔʾ·ûºÏÌõ¼þµÄ½ø³ÌÇé¿ö
Óï·¨: lsof -i[46] [protocol][@hostname|hostaddr][:service|port]
46 --> IPv4 or IPv6
protocol --> TCP or UDP
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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

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[java@localhost ~]$ df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/hda2 5.8G 5.8G 0M 100% /
/dev/hda1 99M 8.5M 86M 10% /boot
none 506M 0 506M 0% /dev/shm
/dev/hda6 20G 77M 19G 1% /tmp
/dev/hda5 20G 14G 5.2G 72% /usr/local
/dev/hd ......

linuxϱØÐëÕÆÎÕµÄÃüÁî

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30 21* * * /apps/bin/cleanup.sh
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45 4 1,10,22 * ......

LinuxÏÂTomcatµÄ°²×°

 £±£®ÏÂÔØTomcat
ÔÚÏÂÃæµÄµØÖ·ÏÂÔØTomcatµÄ¶þ½øÖưæ
    http://mirrors.ccs.neu.edu/Apache/dist/jakarta/tomcat-4/binaries/
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    tomcat-4.1.18.tar.gz
2. °²×°
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    gunzip tomcat-4.1.18.tar.gz
    tar -zxvf to ......

linux¸ùÎļþϵͳÓëinitrd

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Filesystem Handling
Like every   traditional   Unix   system,   Linux   makes   use   of   a   system 's  root   file ......
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