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[mysql] Mysql 閮剖Login

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2015-6-21 23:10:33 | 芰閰脖 撣 |甇摨閬 |梯璅∪
摰鋆摰Mysql 敺閮剖 :
  m4 j* \. w9 {) z: S$ }! p2 b2 J6 e脖甇亥身摰 MySQL
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; s$ _, X0 ~0 M: c閮剖php.ini(/etc/php.ini)2 j7 r& _8 ]9 c/ b
php.ini8 W+ C9 _( |& O
1 memory_limit = 128M               //PHP舐刻園銝
1 y. V; W- R4 U; @: e2 display_errors = Off              //憿舐內航炊閮
8 ^. z0 p. T3 h% Q: Z4 [3 date.timezone = Asia/Taipei       //(銵閬閮剖嚗銝賀HP雿輻典唳賣豢航炊閮)
$ A! t9 {/ P. S5 U' f- T0 _* s4 session.cookie_lifetime = 0       //session摮瘣餅(桐蝘嚗0隞銵典瘣餉喟閬賢券)
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B.
# f  F3 O2 Y$ q6 H4 Q) t閮剖my.cnf(/etc/my.cnf)9 w$ }2 W8 c$ z" z( r
my.cnf :
, z4 j5 R7 O* k$ P/ Y0 `8 d1 log-error=/var/log/mysqld.log     //亥摮曆蝵  v" }0 q, X  p9 p2 d- S" n4 L
2 connect_timeout = 15              //蝺timeout
$ j) ~0 J  i1 L1 C: _$ w& n* M/ m3 max_connections = 3000            //憭折蝺
9 X. u$ F/ Y3 x- Y4. service mysqld  restart6 M% }2 ]  }+ I, N' [7 h

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C.
$ l1 V0 U6 `6 k6 `5 `! m) T/ u閮剖 MySQL 鞈摨怎恣 root 撣單嗥撖蝣潘瑁sudo mysql_secure_installation嚗隞雿摨銝撟曆辣鈭% C( N* B5 ?4 U  I5 |
1. Enter current password for root (enter for none):  // 湔交 Enter嚗粹閮剜撖蝣) B  k" a9 ?3 q# d
2. Set root password? [Y/n]                     //頛詨  Y 靘閮剖撖蝣
$ x# g  e* s& C3. New password:                                  // 頛詨 root 啣蝣
, m7 a; ~; V4 \4 M4. Re-enter new password:                      // 銝甈∟撓 root 啣蝣! q3 c% Y8 k+ a& @/ p# a! |6 i
5. Remove anonymous users? [Y/n]          //閮 Yes 嚗湔交 Enter6 E; v( D1 U- k' [8 E, d% s
6. Disallow root login remotely? [Y/n]       //閮 Yes 嚗湔交 Enter
/ Q0 O9 f3 L8 ]0 X7. Remove test database and access to it? [Y/n]    //閮 Yes 嚗湔交 Enter
. f8 A2 d1 g) c  c0 G& ^, |8. Reload privilege tables now? [Y/n]       //閮 Yes 嚗湔交 Enter
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亥拍典閮剖 root 撖蝣潛餃 MySQL嚗瑁sudo mysql -u root -p嚗撖蝣潭迤蝣箏停脣乓mysql>璅蝷箇泵
) Q; D% M6 A) O( n5 o$ U/ T# i 瑁豢閬券鞈摨
3 I* i4 g; F' J8 [; n  g& {mysql> use mysql- H: a  p5 m# y  g
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瑁select host,user from user ;閬蝯撠暹瑁
9 K- z' U& h& v0 @mysql> select host,user from user ;+ t9 k6 }1 H' e$ [. I3 y( V
+-----------+------+
9 \; ~  O% k2 o: Z$ r0 }5 w| host      | user |- k. N2 j1 K1 Z" t. w2 r9 e
+-----------+------+3 D2 {5 ~" g  L
| 127.0.0.1 | root |# z: U: a$ i4 _! {5 B$ K! f% U
| localhost | root |
! B! _1 Y$ `- \) h& |" i- B: s+-----------+------+
; C" @  z5 g/ U: p( g2 rows in set (0.00 sec)
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9 X7 x" F! B5 l# a1 R 啣銝雿輻刻, u! _. x" ^1 L( Z( y# ?" Y' b* K
insert into user (host,user,password) values ('%','your_account',password('your_password'));3 N7 E$ p; R2 {/ v

2 H# U- {2 M$ W2 C0 ^6 a+ p9 r餅閰脖蝙刻蝞∠甈嚗璅雿賣颲行蝡航 嚗 root 蝡舐餃亥◤鈭嚗
( v: A6 ?' [5 _$ PGRANT ALL ON *.* TO 'your_account'@140.112.1.1 IDENTIFIED BY 'your_password' WITH GRANT OPTION;7 P" F& I4 t9 t7 k1 j' g
銝嗅撣唾嚗芣臭祈摨思蝙刻撣唾嚗銝瘝隞颱甈
! Z, W; }" T0 U- J( g餉閮剖4 i2 i% b* ^( l% ^. Q  J( [0 ~
FLUSH PRIVILEGES;" a8 n/ c; ^! |1 B4 g
摰鋆摰Phpmyadmin ,run http://www.domain.com/dbadmin   show error : The mbstring extension is missing. Please check your PHP configuration.0 [) z( j2 A( w
隢摰鋆& N; w  d8 i' ?
        
4 x/ u5 f* t2 @: I% X, uyum -y install php-mbstring3 R3 H& H2 r; G* P9 p4 W- C3 t8 F
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亙箇曄撩撠mcrypt嚗隢摰鋆
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yum -y install mcrypt7 p8 x6 e$ b# j" W. l; D
service nginx restart
. m9 y0 M: X8 I4 eLogin phpadmin 敺箇    error:蝻箏 mysqli 游憟隞嗚隢瑼X PHP 閮剖Solution:
' A- M" I0 E5 O2 Iphp -m | grep mysqli ===> confirm mysqli module is installed' S9 g4 g3 W4 E; c' \# ?: |/ i
php -i | grep extension_dir ===> 撠曉辣隡貊桅0 X; b) [" S" D6 b0 {/ P  K
yum -y install php-mysql ( yum install php5-mysqli)   ===> ok# [/ r) M9 E- M. E
蝻箏 mcrypt 游憟隞嗚隢瑼X PHP 閮剖
: j' }+ @. j0 k' u( ~0 syum install php-mcrypt4 i9 I( b) ^. @9 J- c) X  h+ }
yum install libmcrypt libmcrypt-devel   ===> ok
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