尊龙凯时人生就是博

ÃæÊÔ¹Ù³ £¿¼µÄ 21 Ìõ Linux ÏÂÁî

ÕýÎÄ

find /var/mail/ -size +50M -exec rm {} £Ü;

µÇ¼ºó¸´ÖÆ

ËÄ¡¢ÎļþµÄȨÏÞ Ê¹Óà “+” ÉèÖÃȨÏÞ£¬Ê¹Óà “-” ÓÃÓÚ×÷·Ï

9. chmod ÏÂÁî

ls -lh ÏÔʾȨÏÞ

chmod ugo+rwx directory1 ÉèÖÃĿ¼µÄËùÓÐÈË(u)¡¢Èº×é(g)ÒÔ¼°ÆäËûÈË(o)ÒÔ¶Á£¨r£¬4 £©¡¢Ð´(w£¬2)ºÍÖ´ÐÐ(x£¬1)µÄȨÏÞ

chmod go-rwx directory1 ɾ³ýȺ×é(g)ÓëÆäËûÈË(o)¶ÔĿ¼µÄ¶ÁдִÐÐȨÏÞ

10. chown ÏÂÁî

¸Ä±äÎļþµÄËùÓÐÕߣº

chown user1 file1 ¸Ä±äÒ»¸öÎļþµÄËùÓÐÈËÊôÐÔ

chown -R user1 directory1 ¸Ä±äÒ»¸öĿ¼µÄËùÓÐÈËÊôÐÔ²¢Í¬Ê±¸Ä±ä¸ÄĿ¼ÏÂËùÓÐÎļþµÄÊôÐÔ

chown user1:group1 file1 ¸Ä±äÒ»¸öÎļþµÄËùÓÐÈ˺ÍȺ×éÊôÐÔ

11. chgrp ÏÂÁî

¸Ä±äÎļþËùÊôÓû§×飺

chgrp group1 file1 ¸Ä±äÎļþµÄȺ×é

Îå¡¢Îı¾´¦Àí

12. grep ÏÂÁî

ÆÊÎöÒ»ÐеÄÐÅÏ¢£¬Èôµ±ÖÐÓÐÎÒÃÇËùÐèÒªµÄÐÅÏ¢£¬¾Í½«¸ÃÐÐÏÔʾ³öÀ´£¬¸ÃÏÂÁîͨ³£Óë¹ÜµÀÏÂÁîÒ»ÆðʹÓã¬ÓÃÓÚ¶ÔһЩÏÂÁîµÄÊä³ö¾ÙÐÐɸѡ¼Ó¹¤µÈµÈ£º

grep Aug /var/log/messages ÔÚÎļþ ‘/var/log/messages’ÖвéÕÒÒªº¦´Ê”Aug”

grep ^Aug /var/log/messages ÔÚÎļþ ‘/var/log/messages’ÖвéÕÒÒÔ”Aug”×îÏȵĴʻã

grep [0-9] /var/log/messages Ñ¡Ôñ ‘/var/log/messages’ ÎļþÖÐËùÓаüÀ¨Êý×ÖµÄÐÐ

grep Aug -R /var/log/* ÔÚĿ¼ ‘/var/log’ ¼°ËæºóµÄĿ¼ÖÐËÑË÷×Ö·û´®”Aug”

sed ‘s/stringa1/stringa2/g’ example.txt ½«example.txtÎļþÖÐµÄ “string1” Ìæ»»³É “string2”

sed ‘/^$/d’ example.txt ´Óexample.txtÎļþÖÐɾ³ýËùÓпÕȱÐУ¨ËÑË÷ÃñÖÚºÅJavaÖªÒô£¬»Ø¸´¡°2021¡±£¬ËÍÄãÒ»·ÝJavaÃæÊÔÌⱦµä£©

13. paste ÏÂÁî

paste file1 file2 ºÏ²¢Á½¸öÎļþ»òÁ½À¸µÄÄÚÈÝ

paste -d ‘+’ file1 file2 ºÏ²¢Á½¸öÎļþ»òÁ½À¸µÄÄÚÈÝ£¬ÖÐÐÄÓÔ+”Çø·Ö

14. sort ÏÂÁî

sort file1 file2 ÅÅÐòÁ½¸öÎļþµÄÄÚÈÝ

sort file1 file2 | uniq È¡³öÁ½¸öÎļþµÄ²¢¼¯(Öظ´µÄÐÐÖ»±£´æÒ»·Ý)

sort file1 file2 | uniq -u ɾ³ý½»¼¯£¬ÁôÏÂÆäËûµÄÐÐ

sort file1 file2 | uniq -d È¡³öÁ½¸öÎļþµÄ½»¼¯(Ö»ÁôÏÂͬʱ±£´æÓÚÁ½¸öÎļþÖеÄÎļþ)

15. comm ÏÂÁî

comm -1 file1 file2 ½ÏÁ¿Á½¸öÎļþµÄÄÚÈÝֻɾ³ý ‘file1’ Ëù°üÀ¨µÄÄÚÈÝ

comm -2 file1 file2 ½ÏÁ¿Á½¸öÎļþµÄÄÚÈÝֻɾ³ý ‘file2’ Ëù°üÀ¨µÄÄÚÈÝ

comm -3 file1 file2 ½ÏÁ¿Á½¸öÎļþµÄÄÚÈÝֻɾ³ýÁ½¸öÎļþ¹²ÓеIJ¿·Ö

Áù¡¢´ò°üºÍѹËõÎļþ

16. tar ÏÂÁî

¶ÔÎļþ¾ÙÐдò°ü£¬Ä¬ÈÏÇéÐβ¢²»»áѹËõ£¬ÈôÊÇÖ¸¶¨ÁËÏìÓ¦µÄ²ÎÊý£¬Ëü»¹»áŲÓÃÏìÓ¦µÄѹËõ³ÌÐò£¨ÈçgzipºÍbzipµÈ£©¾ÙÐÐѹËõÏ¢Õùѹ£º

-c £ºÐ½¨´ò°üÎļþ

-t £ºÉó²é´ò°üÎļþµÄÄÚÈݺ¬ÓÐÄÄЩÎļþÃû

-x £º½â´ò°ü»ò½âѹËõµÄ¹¦Ð§£¬¿ÉÒÔ´îÅä-C£¨´óд£©Ö¸¶¨½âѹµÄĿ¼£¬×¢ÖØ-c,-t,-x²»¿Éͬʱ·ºÆðÔÚͳһÌõÏÂÁîÖÐ

-j £ºÍ¨¹ýbzip2µÄÖ§³Ö¾ÙÐÐѹËõ/½âѹËõ

-z £ºÍ¨¹ýgzipµÄÖ§³Ö¾ÙÐÐѹËõ/½âѹËõ

-v £ºÔÚѹËõ/½âѹËõÀú³ÌÖУ¬½«ÕýÔÚ´¦ÀíµÄÎļþÃûÏÔʾ³öÀ´

-f filename £ºfilenameΪҪ´¦ÀíµÄÎļþ

-C dir £ºÖ¸¶¨Ñ¹Ëõ/½âѹËõµÄĿ¼dir

ѹËõ£ºtar -jcv -f filename.tar.bz2 Òª±»´¦ÀíµÄÎļþ»òĿ¼Ãû³Æ

ÅÌÎÊ£ºtar -jtv -f filename.tar.bz2

½âѹ£ºtar -jxv -f filename.tar.bz2 -C Óû½âѹËõµÄĿ¼

bunzip2 file1.bz2 ½âѹһ¸ö½Ð×ö ‘file1.bz2’µÄÎļþ

bzip2 file1 ѹËõÒ»¸ö½Ð×ö ‘file1’ µÄÎļþ

gunzip file1.gz ½âѹһ¸ö½Ð×ö ‘file1.gz’µÄÎļþ

gzip file1 ѹËõÒ»¸ö½Ð×ö ‘file1’µÄÎļþ

gzip -9 file1 ×îºéÁ÷ƽѹËõ

rar a file1.rar test_file ½¨ÉèÒ»¸ö½Ð×ö ‘file1.rar’ µÄ°ü

rar a file1.rar file1 file2 dir1 ͬʱѹËõ ‘file1’, ‘file2’ ÒÔ¼°Ä¿Â¼ ‘dir1’

rar x file1.rar ½âѹrar°ü

zip file1.zip file1 ½¨ÉèÒ»¸özipÃûÌõÄѹËõ°ü

unzip file1.zip ½âѹһ¸özipÃûÌÃѹËõ°ü

zip -r file1.zip file1 file2 dir1 ½«¼¸¸öÎļþºÍĿ¼ͬʱѹËõ³ÉÒ»¸özipÃûÌõÄѹËõ°ü

Æß¡¢ÏµÍ³ºÍ¹Ø»ú (ϵͳµÄ¹Ø»ú¡¢ÖØÆôÒÔ¼°µÇ³ö )

shutdown -h now ¹Ø±Õϵͳ(1)

init 0 ¹Ø±Õϵͳ(2)

telinit 0 ¹Ø±Õϵͳ(3)

shutdown -h hours:minutes & °´Ô¤×¼Ê±¼ä¹Ø±Õϵͳ

shutdown -c ×÷·Ï°´Ô¤×¼Ê±¼ä¹Ø±Õϵͳ

shutdown -r now ÖØÆô(1)

reboot ÖØÆô(2)

logout ×¢Ïú

time ²âËãÒ»¸öÏÂÁ¼´³ÌÐò£©µÄÖ´ÐÐʱ¼ä

°Ë¡¢Àú³ÌÏà¹ØµÄÏÂÁî

17 jpsÏÂÁî

ÏÔʾĿ½ñϵͳµÄjavaÀú³ÌÇéÐΣ¬¼°ÆäidºÅ£º

jps(Java Virtual Machine Process Status Tool)ÊÇJDK 1.5ÌṩµÄÒ»¸öÏÔʾĿ½ñËùÓÐjavaÀú³ÌpidµÄÏÂÁ¼òÖÊÆÓÓ㬺ÜÊÇÊʺÏÔÚlinux/unixƽ̨ÉϼòÆÓ¹Û²ìÄ¿½ñjavaÀú³ÌµÄһЩ¼òÆÓÇéÐΡ£

18 psÏÂÁî

ÓÃÓÚ½«Ä³¸öʱ¼äµãµÄÀú³ÌÔËÐÐÇéÐÎÑ¡È¡ÏÂÀ´²¢Êä³ö£¬processÖ®Ò⣺

-A £ºËùÓеÄÀú³Ì¾ùÏÔʾ³öÀ´

-a £º²»ÓëterminalÓйصÄËùÓÐÀú³Ì

-u £ºÓÐÓÃÓû§µÄÏà¹ØÀú³Ì

-x £ºÒ»Ñùƽ³£Óëa²ÎÊýÒ»ÆðʹÓ㬿ÉÁгö½ÏÍêÕûµÄÐÅÏ¢

-l £º½Ï³¤£¬½ÏÏêϸµØ½«PIDµÄÐÅÏ¢Áгö

ps aux # Éó²éϵͳËùÓеÄÀú³ÌÊý¾Ýps ax # Éó²é²»ÓëterminalÓйصÄËùÓÐÀú³Ìps -lA # Éó²éϵͳËùÓеÄÀú³ÌÊý¾Ýps axjf # Éó²éÁ¬Í³Ò»²¿·ÖÀú³ÌÊ÷״̬

µÇ¼ºó¸´ÖÆ

19 killÏÂÁî

ÓÃÓÚÏòij¸öÊÂÇ飨%jobnumber£©»òÕßÊÇij¸öPID£¨Êý×Ö£©´«ËÍÒ»¸öÐźÅ£¬Ëüͨ³£ÓëpsºÍjobsÏÂÁîÒ»ÆðʹÓãº

20 killallÏÂÁî

£¨ÏòÒ»¸öÏÂÁîÆô¶¯µÄÀú³Ì·¢ËÍÒ»¸öÐźţ©

21 topÏÂÁî

ÊÇLinuxϳ£ÓõÄÐÔÄÜÆÊÎö¹¤¾ß£¬Äܹ»ÊµÊ±ÏÔʾϵͳÖи÷¸öÀú³ÌµÄ×ÊÔ´Õ¼ÓÃ״̬£¬ÀàËÆÓÚWindowsµÄʹÃüÖÎÀíÆ÷¡£
ÔõÑùɱËÀÀú³Ì£º

ͼÐλ¯½çÃæµÄ·½·¨

kill -9 pid £¨-9ÌåÏÖÇ¿Öƹرգ©

killall -9 ³ÌÐòµÄÃû×Ö

pkill ³ÌÐòµÄÃû×Ö

Éó²éÀú³Ì¶Ë¿ÚºÅ£º

netstat -tunlp|grep ¶Ë¿ÚºÅ

µÇ¼ºó¸´ÖÆ

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ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是博ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ尊龙凯时人生就是博ʵʱÐÞÕý»òɾ³ý¡£

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