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[linux隞也 Linux 銝 su v.s sudo 隞斗頛

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2014-12-21 14:08:00 | 芰閰脖 撣 |甇摨閬 |梯璅∪
砍敺 media 2014-12-21 14:12 蝺刻摩
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9 t5 p% T, z8 N0 T8 H+ M! T' g+ Ssu=switch user ,頧郢oot 撣唾
, [, m6 D  E& q* w; [( i6 \sudo 臭誑root甈瑁賊賭誘,靘憒: sudo service mysqld restart,抵隤芣憒銝:. ?$ c8 E2 u6 k# B# o, }4 Z* A* ~

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Linux摰鋆憟隞嗉蝟餌絞閮剖賡閬root甈嚗撠望盎uper-user privileges (擃甈)嚗銋撠望舐恣⊥憒雿root甈嚗臭誑湔亦究sh餃叵oot撣唾嚗究u(substitute user)隞支雿輻刻嚗銝嗅停臭蝙究udo隞扎 ) |. p6 v1 }$ L& p# \' v

7 j5 b* h/ X9 C$ ]& e! a1. 雿輻究u隞
  1. #究u雿輻刻" \9 M8 y* W( ]
  2. [aaron@phoenix ~]$ su#雿輻究u氳oot0 Y6 J1 i) r! b7 s& ^2 A! \! l3 q
  3. Password:[頛詨叵oot撖蝣奭
    ! p$ w/ N; n# }

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  5. [root@phoenix aaron]# service httpd restart#撌脣氳oot4 B. t7 ]4 _" z
  6. Stopping httpd:                                            [  OK  ]2 o+ n! \. o( v, d
  7. Starting httpd:                                            [  OK  ]
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  9. [root@phoenix aaron]# exit#aaron; @- p4 G  I' I% d. K$ j& G

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  11. #瑁桐隞歹銝閬氳oot
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  12. [aaron@phoenix ~]$ su -c "service httpd restart"
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  13. Password:[頛詨叵oot撖蝣奭0 F) Q7 C5 x7 n3 t0 {2 C
  14. Stopping httpd:                                            [  OK  ]
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  15. Starting httpd:                                            [  OK  ]
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  17. #瑁susu -撌桀(Shell啣臬西)
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  18. [aaron@phoenix ~]$ su; y9 ~0 z2 u. c
  19. Password:[頛詨叵oot撖蝣奭
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  20. [root@phoenix aaron]# echo $PATH#訐ATH霈賂潛暸雿輻災aronPATH霈
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  21. /usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/aaron/bin8 g% O4 {0 o* K" T, {  P
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  23. [aaron@phoenix ~]$ su -& v) f6 k& ]$ o; n  i2 q8 C) K- ]9 U
  24. Password:[頛詨叵oot撖蝣奭
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  25. [root@phoenix aaron]# echo $PATH#訐ATH霈賂雿輻禿ootPATH霈) i# {" `) e/ c) M) N. l+ `
  26. /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
銴鋆賭誨蝣
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2. 閮剖sudoer
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  1. [aaron@phoenix ~]$ su
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  2. Password:[頛詨叵oot撖蝣奭4 p) I7 x0 Y+ v

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  4. [root@phoenix aaron]# vim /etc/sudoers
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  6. ## Allow root to run any commands anywhere( G+ ]: }) x$ C  T1 b
  7. root    ALL=(ALL)       ALL4 G! u6 s, \8 T& F

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  9. ## Allow users to run any commands anywhere
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  10. aaron   ALL=(ALL)       ALL#啣璇閮帶aron臭誑瑁蝞∠⊥
銴鋆賭誨蝣
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3. 蝭靘
  1. #瘝擃甈嚗隞亙停鋡急鈭
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  2. [aaron@phoenix ~]$ service httpd restart: y& i6 P. Z. D2 w, n8 J
  3. Stopping httpd:
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  4. rm: cannot remove `/var/run/httpd/httpd.pid': Permission denied
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  6. Starting httpd:; F, Z6 |* z$ m8 w
  7. touch: cannot touch `/var/lock/subsys/httpd': Permission denied7 j/ ~* I# H7 m8 r( n

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  9. #究udo撠勗臭誑
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  10. [aaron@phoenix ~]$ sudo service httpd restart! X" V7 t4 W9 d% v5 K
  11. [sudo] password for aaron:[頛詨亙蝣奭: ]4 U9 I. ?5 A* g% W
  12. Stopping httpd:                                            [  OK  ]
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  13. Starting httpd:                                            [  OK  ]
銴鋆賭誨蝣
#susudo撌桀亙冽潭臬西霈銝砌蝙刻仿root撖蝣潘憒究u撠勗撠root撖蝣澆鈭怠箏鳴敺航賡蝟餌絞鋡思噩亦梢芥sudo航銝砌蝙刻蝞∠⊥嚗芾頛詨亥芸楛撖蝣澆喳荔雿璅憸券迎箸蝞∠⊥
9 S% O! v" e/ L
http://kezeodsnx.pixnet.net/blog/post/25810396

雿輻券

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