砍敺 media 2014-12-21 14:12 蝺刻摩
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su=switch user ,頧郢oot 撣唾5 m: U+ C! {6 c( X5 d! x, \4 t1 h
sudo 臭誑root甈瑁賊賭誘,靘憒: sudo service mysqld restart,抵隤芣憒銝:3 G1 u& s6 p( u
3 }, s/ L+ h% H+ q8 oLinux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
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- |8 p5 O+ o3 J5 _6 X1. 雿輻究u隞 - #究u雿輻刻3 L2 q% `/ Z: B
- [aaron@phoenix ~]$ su#雿輻究u氳oot d" \0 E- ~& a; U- F7 X! a
- Password:[頛詨叵oot撖蝣奭# \" I% K! @6 Y6 e
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- [root@phoenix aaron]# service httpd restart#撌脣氳oot
6 `9 o8 H, z' Z7 m5 r0 j% o) _7 s - Stopping httpd: [ OK ]" n; c, ~& O" U* v. x
- Starting httpd: [ OK ]6 ^1 D! L5 f) }2 i/ n7 ~ ?+ m8 N
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- [root@phoenix aaron]# exit#aaron* X l) V% }& [% F) K/ y6 l, n
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- #瑁桐隞歹銝閬氳oot( Z1 R$ V* b$ O+ [
- [aaron@phoenix ~]$ su -c "service httpd restart"0 U& [) C: g& g8 V& j
- Password:[頛詨叵oot撖蝣奭+ b2 |5 {1 e2 ?$ r @0 ?, k
- Stopping httpd: [ OK ]
1 G: @' }; [% E% u8 g8 T/ q: k - Starting httpd: [ OK ]
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6 \ s! L+ v5 D' t6 s- #瑁susu -撌桀(Shell啣臬西)
# H( g. ]; c8 p' u5 Q - [aaron@phoenix ~]$ su/ E3 o) w) K- B
- Password:[頛詨叵oot撖蝣奭" {3 Z6 f! h0 ?3 G ~( x% I
- [root@phoenix aaron]# echo $PATH#訐ATH霈賂潛暸雿輻災aronPATH霈! y# l/ R. Y5 @' j# [9 h4 J& i
- /usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/aaron/bin
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- [aaron@phoenix ~]$ su -
& I" p0 `2 v7 ~* y Z - Password:[頛詨叵oot撖蝣奭4 a) C. Q- k" T
- [root@phoenix aaron]# echo $PATH#訐ATH霈賂雿輻禿ootPATH霈
3 j1 b* a5 N; H+ Z i - /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
銴鋆賭誨蝣
; L7 I6 ?$ ^, M4 Y) I4 g2. 閮剖sudoer; H2 f3 u6 Z' O
- [aaron@phoenix ~]$ su
' H. l* y9 _- H; l6 b - Password:[頛詨叵oot撖蝣奭
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# r$ Z4 n( V, l5 \, e9 u- [root@phoenix aaron]# vim /etc/sudoers
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- ## Allow root to run any commands anywhere
7 }! B0 U" J D% [, V+ j* Z - root ALL=(ALL) ALL0 s2 z5 L% s" E2 C# X! i: F( [
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- ## Allow users to run any commands anywhere/ A3 n2 C' y0 b# C4 k% P
- aaron ALL=(ALL) ALL#啣璇閮帶aron臭誑瑁蝞∠⊥
銴鋆賭誨蝣 * ^$ F& e9 Z( B+ W9 q7 X. @
3. 蝭靘- #瘝擃甈嚗隞亙停鋡急鈭, p9 y: N, f5 ?. j
- [aaron@phoenix ~]$ service httpd restart/ J& c5 e v1 i5 I
- Stopping httpd:3 c# W2 \4 i8 ?4 L2 |
- rm: cannot remove `/var/run/httpd/httpd.pid': Permission denied
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# A) D7 B$ q/ X) \# k- Starting httpd:
( ?2 X1 b/ C2 h4 _5 e& L3 | - touch: cannot touch `/var/lock/subsys/httpd': Permission denied
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- #究udo撠勗臭誑
9 T# U+ t* k& n4 w, R/ h$ V6 y - [aaron@phoenix ~]$ sudo service httpd restart5 y6 [3 c5 C9 x- R) j& S5 ?0 t7 F
- [sudo] password for aaron:[頛詨亙蝣奭* k7 T# n' D7 z( X- ], a
- Stopping httpd: [ OK ]; G3 G) f# b' H0 E4 h1 m
- 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∠⊥
J& A4 r6 C% r8 V臬http://kezeodsnx.pixnet.net/blog/post/25810396 |