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1. Basic Instructions /»ù±¾Ö¸Áî
2. wget /ÏÂÔØ¹¤¾ß
3. Crontab /¶¨Ê±ÈÎÎñ
4. tar/tar.gz /ѹËõÎļþ
5. vi /±à¼­Æ÷
1. Basic Instructions»ù±¾²Ù×÷ÃüÁî
ͨ³£À´Ëµ£¬Ê¹ÓÃ"$[Instructions] --help"¿ÉÒÔ»ñµÃÒÔϸ÷¸öÃüÁî[instructions]µÄ°ïÖú£¬°üº¬Æä²ÎÊýÁбíµÄ¶¨Òå¡£
-ls Áгöµ±Ç°Îļþ¼ÐÏÂËùÓÐÄÚÈÝ
$ls -o Áгöµ±Ç°Îļþ¼ÐÖÐËùÓÐÄÚÈÝ£¬º¬ÏêϸÐÅÏ¢£¬µ«²»Áгögroup
$ls -l ͬÉÏ£¬º¬groupÐÅÏ¢
$ls -a Áгöµ±Ç°Îļþ¼ÐÖÐËùÓÐÄÚÈÝ£¬°üº¬ÒÔ"."¿ªÍ·µÄÎļþ
$ls -t °´¸ü¸Äʱ¼äÅÅÐò
$ls -v °´°æ±¾ÏȺóÅÅÐò
-cd [dir] ½øÈëÎļþ¼Ð
-pwd ÏÔʾµ±Ç°Â·¾¶
-mkdir [dir] н¨Îļþ¼Ð
-chmod ¸ü¸ÄÎļþ/Îļþ¼ÐȨÏÞ
$chmod [Mode] [dir]£¬ÆäÖÐModeÐÎÈç"755"»ò"777"µÈ¡£
$chmod [Mode] [file]
$chmod -R [Mode] [dir]£¬µÝ¹éÐÎʽ£¬¼´½«Ä¿±êÎļþ¼ÐÄÚËùÓÐÎļþ¾ù¸Ä±äȨÏÞ
Mode»¹ÓÐÁíÒ»ÖÖ±í´ï·½Ê½£¬"755"¼´Îª"-rwxr-xr-x"£¬²»ÁоÙÁË¡£
-rm [file] ɾ³ýÎļþ/Îļþ¼Ð
$rm -f [file] Ç¿ÐÐɾ³ý£¬ºöÂÔ²»´æÔÚµÄÎļþ£¬ÎÞÌáʾ
$rm -r [file] µÝ¹éɾ³ýËùÓÐÄÚÈÝ
-cp ¿½±´
$cp [options] [source] [destination]
ÆäÖÐ[options]¿ÉÒÔΪ-f£¨Ç¿Ðп½±´£©»ò-r£¨µÝ¹é¿½±´£©
-mv ÖØÃüÃû»òÒÆ¶¯
$mv [options] [source] [destination]
[options]³£Óãº-f(Ç¿ÐÐÒÆ¶¯/ÖØÃüÃû), -i(ÒÆ¶¯/ÖØÃüÃûǰ³¢ÊÔ), -u(¸üÐÂ)
ÀýÈç
$mv wwwroot/cgi-bin . ½«/cgi-binÄ¿Â¼ÒÆ¶¯µ½µ±Ç°Ä¿Â¼ÏÂ
$mv cronfile.txt myfile.txt ½«cronfile.txtÖØÃüÃûΪmyfile.txt
2. wgetÏÂÔØ¹¤¾ß
wgetÊÇÒ»Öַǽ»»¥Ê½µÄÍøÂçÎļþÏÂÔØ¹¤¾ß£¬ÔÚSSHÏ¿ÉÒÔʹÓøù¤¾ß¿ìËٵشÓÍøÂçÉÏÏÂÔØËùÐèÒªµÄÎļþ¶ø²»ÐèÒª¾­Óɱ¾µØÓ²ÅÌÖÐת£¬¶øÇÒËٶȼ«¿ì¡£ÒÔÏÂÊÇһЩʹÓ÷½·¨£º
wget [²ÎÊýÁбí] URL
×î¼òµ¥µÄÓ÷¨:
$wget http://abc.com/file.tar
wgetµÄ³£ÓòÎÊý£º
· -t [nuber of times]£º³¢ÊÔ´ÎÊý£¬µ±wgetÎÞ·¨Óë·þÎñÆ÷½¨Á¢Á¬½Óʱ£¬³¢ÊÔÁ¬½Ó¶àÉٴΡ£±ÈÈç"-t120"±íʾ³¢ÊÔ120´Î¡£µ±ÕâÒ»ÏîΪ"0"µÄʱºò£¬Ö¸¶¨³¢ÊÔÎÞÇî¶à´ÎÖ±µ½Á¬½Ó³É¹¦ÎªÖ¹£¬Õâ¸öÉèÖ÷dz£ÓÐÓ㬵±¶Ô·½·þÎñÆ÷ͻȻ¹Ø»ú»òÕßÍøÂçͻȻÖжϵÄʱºò£¬¿ÉÒÔÔÚ»Ö¸´Õý³£ºó¼ÌÐøÏÂÔØÃ»Óд«ÍêµÄÎļþ£»
· -c£º¶ÏµãÐø´«£¬ÕâÒ²ÊǸö·Ç³£ÓÐÓõÄÉèÖã¬Ìرðµ±ÏÂÔØ±È½Ï´óµÄÎļþµÄʱºò£¬Èç¹ûÖÐ;ÒâÍâÖжϣ¬ÄÇôÁ¬½Ó»Ö¸´µÄʱºò»á´ÓÉÏ´Îû´«ÍêµÄµØ·½½Ó×Å´«£¬¶ø²»ÊÇÓÖ´ÓÍ·¿ªÊ¼£¬Ê¹ÓÃÕâÒ»ÏîÐèÒªÔ¶³Ì·þÎñÆ÷Ò²Ö§³Ö¶ÏµãÐ


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linux crontab ¼Æ»®ÈÎÎñ

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Linux dmesgÖйØÓÚTCP: Treason uncloaked!ÐÅÏ¢

ÔÚdebian Linux·þÎñÆ÷µÄÈÕÖ¾ÖУ¬dmesg³öÏÖÀàËÆµÄÐÅÏ¢£º
TCP: Treason uncloaked! Peer 202.106.38.7:57824/80 shrinks window 3573023813:3573023814. Repaired.
TCP: Treason uncloaked! Peer 202.106.38.7:57824/80 shrinks window 3573023813:3573023814. Repaired.
TCP: Treason uncloaked! Peer 202.99.99.211:3760 ......
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