亦CentOS芸蒂mysql臬血歇摰鋆: yum list installed | grep mysql
7 k& ~1 ~% @& q6 C5 b交芸蒂摰鋆mysql嚗憒雿貉蝸CentOS蝟餌芸蒂mysql鞈摨恬 mysql-libs.x86_64 5.1.73-5.el6_6 @anaconda-CentOS-201508042137.x86_64/6.7 yum -y remove mysql-libs.x86_64嚗交憭靘鞈湔隞嗅靘甈∪貉 8 B0 U7 w% T+ t, ?
亦yum摨思mysql砌縑: yum list | grep mysql yum -y list mysql*
$ d0 |- T$ S' P3 V- h w雿輻肘um摰鋆mysql鞈摨: yum -y install mysql-server mysql mysql-devel 瘜剁摰鋆mysql芣臬鋆鈭鞈摨嚗芣摰鋆mysql-server貊嗡摰鋆鈭serverclient 7 B; D/ ]! G$ K. Z. m( |
憒頛詨 mysql 箇 error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 銵函內芸 mysqld 隞亥撓 service mysqld start,敺擐砌箇曆誑銝閮,雿銝鈭函閮: - To start mysqld at boot time you have to copy
- support-files/mysql.server to the right place for your system
- PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
- To do so, start the server, then issue the following commands:
- /usr/bin/mysqladmin -u root password 'new-password'
- /usr/bin/mysqladmin -u root -h video.yocoolnet.com password 'new-password'
- Alternatively you can run:
- /usr/bin/mysql_secure_installation
- which will also give you the option of removing the test
- databases and anonymous user created by default. This is
- strongly recommended for production servers.
- See the manual for more instructions.
- You can start the MySQL daemon with:
- cd /usr ; /usr/bin/mysqld_safe &
- You can test the MySQL daemon with mysql-test-run.pl
- cd /usr/mysql-test ; perl mysql-test-run.pl
銴鋆賭誨蝣亦摰鋆mysql唳桀砌縑: rpm -qi mysql-server : k/ N( o$ V- O3 o: C' I
閮剖 /etc/my.cnf6 {( z% Z( Y8 b' X- u; K! n, W
[mysqld]9 y6 T6 K0 T7 W* c# K
datadir=/var/lib/mysql( J, z: o) Q& H& g' p+ S! V* t
socket=/var/lib/mysql/mysql.sock
8 o" E) b* i% s1 h+ A# Default to using old password format for compatibility with mysql 3.x2 i9 ?* J( C; [
# clients (those using the mysqlclient10 compatibility package).1 P6 Y# h: N6 `6 Q1 o
old_passwords=1% k! y! E, P" s8 i J* |2 W
default-character-set = utf8! E: A0 X# H/ J4 O3 V% v/ |3 L
: `$ u8 v1 i0 r[mysql.server]
% T. e/ q( p" W$ K! o4 }, Yuser=mysql
% e9 i+ A# o' U4 \1 P# i0 zbasedir=/var/lib
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[mysqld_safe] z" F' }$ \2 z: j7 l$ W J/ S) C
log-error=/var/log/mysqld.log
/ F/ m3 K5 h$ J4 m" ]/ opid-file=/var/run/mysqld/mysqld.pid
% k' Q: Y& f: ?% I. J x0 c& k* A' o! U. V; u4 [" C
[mysql]9 {( R8 ~5 P& ^, r! c5 j
default-character-set = utf8
& e ?: Q: o8 J$ Q: F5 N: u7 m' P 閮剖 MySQL 函頂蝯曹韏瑕; D, m6 Y% o; f" q
# chkconfig mysqld on) W& A2 _; p g" i
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蝣箄 MySQL 芸) T- I8 n- m1 ]. K6 t
# chkconfig --list mysqld f- v. R& w8 j, p
憒2--5榣n撠屠K
6 K5 ?3 n; U0 V3 ^ mysqld 0: off 1: off 2: on 3: on 4: on 5: on 6: off
$ _) o6 d) n9 D1 n' z! p: ^- b MySQL
2 k; w# R/ W- o$ T. p) n # service mysqld start /usr/bin/mysqld_safe & 蝣箄 MySQL 臬血歇 #service mysqld status mysqld (pid 33778) is running... cd /usr/mysql-test ; perl mysql-test-run.pl
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MySQL 隞亙嚗敹閮剖 root 撖蝣
4 m" D7 c5 L! G # mysqladmin -u root password 'Your Password' 瑁隞 # /usr/bin/mysql_secure_installation 閰 root 臬血舀餃 mysql: mysql -u root -p Enter password: (頛詨叵oot 撖蝣) 蝝 MySQL database單 # mysql_upgrade -u root -p 頛詨亙蝣
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[啣鋆mysql] http://tecadmin.net/remove-mysql-completely-from-linux-system/ 閮: 隞句um摰鋆每entOS 5.11/i386 箇暸航炊,see /var/log/mysqld.log : 160414 10:07:57 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 160414 10:07:57 [Note] /usr/libexec/mysqld (mysqld 5.5.49) starting as process 9426 ... 160414 10:07:57 [Note] Plugin 'FEDERATED' is disabled. /usr/libexec/mysqld: Table 'mysql.plugin' doesn't exist 160414 10:07:57 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 160414 10:07:57 InnoDB: The InnoDB memory heap is disabled 160414 10:07:57 InnoDB: Mutexes and rw_locks use InnoDB's own implementation 160414 10:07:57 InnoDB: Compressed tables use zlib 1.2.3 160414 10:07:57 InnoDB: Using Linux native AIO 160414 10:07:57 InnoDB: Initializing buffer pool, size = 128.0M 160414 10:07:57 InnoDB: Completed initialization of buffer pool 160414 10:07:57 InnoDB: highest supported file format is Barracuda. 160414 10:07:57 InnoDB: Waiting for the background threads to start 160414 10:07:58 InnoDB: 5.5.49 started; log sequence number 1595675 160414 10:07:58 InnoDB: !!! innodb_force_recovery is set to 1 !!! 160414 10:07:58 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 160414 10:07:58 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 160414 10:07:58 [Note] Server socket created on IP: '0.0.0.0'. 160414 10:07:58 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist :mysqld⊥芸撱箇 /var/lib/mysql/鞈摨,甇日撱箇DB+ z2 b; T$ @ }
mysql_install_db --user=mysql --ldata=/var/lib/mysql/ ===>check /var/lib/mysql/批歇撱箇閮勗DB, h6 z [. @5 L1 H9 R" K' y+ s4 {
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