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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 |摨閬 |梯璅∪
摰鋆摰Mysql 敺閮剖 :# A7 Q% I6 K% U! _
脖甇亥身摰 MySQL8 S, l# m6 a/ J" K9 n0 s
A.
& T* H" O$ W) M% F閮剖php.ini(/etc/php.ini)
" s! ]8 I: T1 J4 ~php.ini/ N" B3 G4 f+ o) s' g
1 memory_limit = 128M               //PHP舐刻園銝
* @; B) H1 T6 ~) x# G2 display_errors = Off              //憿舐內航炊閮
9 X9 }+ q& K/ k. j, _2 O+ c& N3 date.timezone = Asia/Taipei       //(銵閬閮剖嚗銝賀HP雿輻典唳賣豢航炊閮)
) F! C1 `% Z/ p4 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.1 Q( v- V# ~5 o" {# ]6 q: o: x) k
閮剖my.cnf(/etc/my.cnf)& ^# n1 [$ a7 f6 I9 m/ h. n) k
my.cnf : 2 v$ m+ c* F* T( j1 F! P
1 log-error=/var/log/mysqld.log     //亥摮曆蝵2 G5 O( L2 o( B) d; B  ?' F9 J( Y6 k
2 connect_timeout = 15              //蝺timeout9 q6 o5 Q+ @& `5 \9 F! d
3 max_connections = 3000            //憭折蝺( O0 |( R! i" d( k3 O, A5 G
4. service mysqld  restart
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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" j3 K- V/ s$ ?8 k
1. Enter current password for root (enter for none):  // 湔交 Enter嚗粹閮剜撖蝣+ s1 \  K2 J2 h' A
2. Set root password? [Y/n]                     //頛詨  Y 靘閮剖撖蝣/ \/ B2 ^6 y' x0 f0 l
3. New password:                                  // 頛詨 root 啣蝣
- Y% g" z1 ^, o  H6 b6 k5 F# E4. Re-enter new password:                      // 銝甈∟撓 root 啣蝣
  a: y: P, l$ k* C- _& Q* [9 @5. Remove anonymous users? [Y/n]          //閮 Yes 嚗湔交 Enter
! d' ~3 y, k1 Z; P6. Disallow root login remotely? [Y/n]       //閮 Yes 嚗湔交 Enter
* b5 e$ o$ U; q& H! ^5 Q, p- _7. Remove test database and access to it? [Y/n]    //閮 Yes 嚗湔交 Enter
5 A. L8 \6 S- _$ P8. 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
  n( V# ~# e" K0 j. C 瑁豢閬券鞈摨
' Q; b- B+ F6 A) F" m0 u: nmysql> use mysql
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瑁select host,user from user ;閬蝯撠暹瑁% A% l/ p; V' }7 `4 K% u' \
mysql> select host,user from user ;/ G% X3 p. W7 t7 j: d7 P* G8 F
+-----------+------+
6 ^9 Z; b$ l+ a6 w| host      | user |' P+ ^- K7 b/ A2 E# [
+-----------+------+6 G) B6 i5 o, t# o* X2 A
| 127.0.0.1 | root |4 z$ c: m, g9 g6 ~3 [" V8 r$ y; w9 c
| localhost | root |
9 L: `+ {( ~$ l3 |5 I+-----------+------+
& u& Y9 \' X, |1 _* u2 rows in set (0.00 sec)+ u! [- _6 Y% K3 Z' C- G9 m

: [- M/ }: i0 J/ I& n6 o 啣銝雿輻刻
1 R4 |% Z7 K6 n4 A. ?insert into user (host,user,password) values ('%','your_account',password('your_password'));
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) q  u9 ^- Y) S0 g& ]* n餅閰脖蝙刻蝞∠甈嚗璅雿賣颲行蝡航 嚗 root 蝡舐餃亥◤鈭嚗 ! K, C  t- q8 V- H3 m- ^+ P! g
GRANT ALL ON *.* TO 'your_account'@140.112.1.1 IDENTIFIED BY 'your_password' WITH GRANT OPTION;
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餉閮剖
% e  {1 ?, ^0 `, _$ [FLUSH PRIVILEGES;( p; i: m" E7 W% i+ S! V
摰鋆摰Phpmyadmin ,run http://www.domain.com/dbadmin   show error : The mbstring extension is missing. Please check your PHP configuration.
+ f( I; d* y" N隢摰鋆/ {' {7 X7 n3 [; z: k# f
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yum -y install php-mbstring9 S9 x8 q1 `# O; D* l) r

0 ]; ]6 [3 c5 {' B9 I亙箇曄撩撠mcrypt嚗隢摰鋆3 _9 v4 x  y  ?+ B4 [
        # T" i4 P! O3 @* \9 s8 o& {
yum -y install mcrypt
% e- N8 L+ Q% v% o5 mservice nginx restart
$ x% V5 }6 R" TLogin phpadmin 敺箇    error:蝻箏 mysqli 游憟隞嗚隢瑼X PHP 閮剖Solution:
, ]- `# _3 v3 P) F4 M4 Jphp -m | grep mysqli ===> confirm mysqli module is installed6 D/ i$ K. r% w4 x: R( o
php -i | grep extension_dir ===> 撠曉辣隡貊桅
) w# N; `; n1 A" ?" T/ i) c  d6 \2 Xyum -y install php-mysql ( yum install php5-mysqli)   ===> ok
" G1 g! f/ @  R蝻箏 mcrypt 游憟隞嗚隢瑼X PHP 閮剖
$ w+ p2 h* Y- ]+ y3 w& u1 {yum install php-mcrypt' `  m2 z9 c; h4 D# P3 a- k
yum install libmcrypt libmcrypt-devel   ===> ok" c" ?2 z+ `! q' T$ V( M
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