砍敺 media 2014-12-21 14:12 蝺刻摩 $ a' j! q; B9 r3 j
& M0 }( u: `$ r- T3 R u9 Lsu=switch user ,頧郢oot 撣唾" Q3 W( r- \4 V8 C# u& n
sudo 臭誑root甈瑁賊賭誘,靘憒: sudo service mysqld restart,抵隤芣憒銝:
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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
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1. 雿輻究u隞 - #究u雿輻刻$ [4 S- X) f4 [7 d; s, x
- [aaron@phoenix ~]$ su#雿輻究u氳oot
0 w1 R& x' m+ {, H- m - Password:[頛詨叵oot撖蝣奭
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% Z2 W- V* e- X8 g5 ~) B% v- [root@phoenix aaron]# service httpd restart#撌脣氳oot
% E( a, i# H7 B, O - Stopping httpd: [ OK ]
2 Q6 R0 Z' C! B7 p' y6 W - Starting httpd: [ OK ]+ T0 H& [9 r# f, `
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- [root@phoenix aaron]# exit#aaron
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* X1 b4 ] S) ?' i. U- #瑁桐隞歹銝閬氳oot
& I. M- w8 v2 T( N+ l - [aaron@phoenix ~]$ su -c "service httpd restart") `; d3 j" j! G ^$ w
- Password:[頛詨叵oot撖蝣奭
1 F$ ?; ]! K2 V1 \4 V1 F - Stopping httpd: [ OK ]1 d$ \# m2 N5 r' O% e6 i
- Starting httpd: [ OK ] t5 \- v7 K. j) s9 H
: y4 T# @" e, q: a/ z- #瑁susu -撌桀(Shell啣臬西)
1 i; ]8 ?; H, t - [aaron@phoenix ~]$ su
0 a$ h7 Y- T5 q- [ - Password:[頛詨叵oot撖蝣奭2 i Q- A9 e2 q: O' a* \/ E% {
- [root@phoenix aaron]# echo $PATH#訐ATH霈賂潛暸雿輻災aronPATH霈
4 a' x: j7 I; k: M2 o$ l - /usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/aaron/bin* \/ R/ G9 J& |2 }/ c' \- A
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- [aaron@phoenix ~]$ su -
0 [8 f& ], _: {% |4 g. b - Password:[頛詨叵oot撖蝣奭4 l, n, s& ^/ M8 T
- [root@phoenix aaron]# echo $PATH#訐ATH霈賂雿輻禿ootPATH霈
& b. ?# P" O; o \! y7 Y - /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
銴鋆賭誨蝣 ! I" Z# \% t8 l! F$ T! J' k6 u
2. 閮剖sudoer: H! X; A! v% ~1 Z- R3 d' o
- [aaron@phoenix ~]$ su
0 g3 p. I% M$ k' E - Password:[頛詨叵oot撖蝣奭
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- [root@phoenix aaron]# vim /etc/sudoers
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7 `8 n& Y+ }- I* d; n' p! m- ## Allow root to run any commands anywhere
/ w5 E# T! e+ t$ a' x a - root ALL=(ALL) ALL
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- ## Allow users to run any commands anywhere
+ u1 _0 v2 \2 X$ ]' y* a4 C - aaron ALL=(ALL) ALL#啣璇閮帶aron臭誑瑁蝞∠⊥
銴鋆賭誨蝣 ' a% h8 e1 o6 b. m
3. 蝭靘- #瘝擃甈嚗隞亙停鋡急鈭% g* j0 m6 ]) N% R1 j# j' I
- [aaron@phoenix ~]$ service httpd restart$ I1 {# a# x8 V* L" U
- Stopping httpd:
/ s& R8 ^' Z; l3 @+ z9 ?! B/ c - rm: cannot remove `/var/run/httpd/httpd.pid': Permission denied
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- Starting httpd:
1 ^" o7 {% [) X4 R1 b" y - touch: cannot touch `/var/lock/subsys/httpd': Permission denied' P! t! ]+ Z8 t
$ ?/ O* s! t2 C5 S0 K- #究udo撠勗臭誑
2 O5 E7 l9 l8 T6 I" u - [aaron@phoenix ~]$ sudo service httpd restart: `+ n* m) \0 I& G) r
- [sudo] password for aaron:[頛詨亙蝣奭
% i0 U0 O' ]. y5 y& y4 c( u7 H - Stopping httpd: [ OK ]; i {; Q" @/ z
- 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∠⊥& {, \" G( e5 r% t( }
臬http://kezeodsnx.pixnet.net/blog/post/25810396 |