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# yum install -y cmake gcc gcc-c++ make cmake ncurses ncurses-devel
# groupadd mysql
# useradd -g mysql -s /sbin/nologin mysql
# tar zxvf mysql-5.5.31.tar.gz
# cd mysql-5.5.31
# cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql5.5 -DSYSCONFDIR=/usr/local/mysql5.5/etc -DMYSQL_DATADIR=/usr/local/mysql5.5/data
# make && make install
# mkdir /usr/local/mysql5.5/etc
# cp support-files/my-medium.cnf /usr/local/mysql5.5/etc/my.cnf
# chown -R mysql.mysql /usr/local/mysql5.5/
# echo ‘PATH=$PATH:/usr/local/mysql5.5/bin' >> /etc/profile
# source /etc/profile
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# mkdir /usr/local/mysql5.5/data3306 #创建数据库数据目录
# mkdir /usr/local/mysql5.5/data3307
# /usr/local/mysql5.5/scripts/mysql_install_db --basedir=/usr/local/mysql5.5/ --datadir=/usr/local/mysql5.5/data3306/ --user=mysql
# /usr/local/mysql5.5/scripts/mysql_install_db --basedir=/usr/local/mysql5.5/ --datadir=/usr/local/mysql5.5/data3307/ --user=mysql
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# cd /usr/local/mysql5.5/etc/
# vi my.cnf
[mysqld_multi]
mysqld =
/usr/local/mysql5
.5
/bin/mysqld_safe
mysqladmin =
/usr/local/mysql5
.5
/bin/mysqladmin
user = root
#登陆数据库用户
password = 123
#登陆数据库密码，用于关闭数据库，两台数据库密码设置一样
[mysqld1]
user = mysql
port = 3306
socket =
/tmp/mysql3306
.sock
pid-
file
=
/usr/local/mysql5
.5
/data3306/mysql
.pid
basedir =
/usr/local/mysql5
.5
datadir =
/usr/local/mysql5
.5
/data3306
log_error =
/var/log/mysql/3306_error
.log
[mysqld2]
user = mysql
port = 3307
socket =
/tmp/mysql3307
.sock
pid-
file
=
/usr/local/mysql5
.5
/data3307/mysql
.pid
basedir =
/usr/local/mysql5
.5
datadir =
/usr/local/mysql5
.5
/data3307
log_error =
/var/log/mysql/3307_error
.log
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# 单个实例启动或关闭
# mysqld_multi --defaults-file=/usr/local/mysql5.5/etc/my.cnf start/stop 1
# mysqld_multi --defaults-file=/usr/local/mysql5.5/etc/my.cnf start/stop 2
# 双实例同时启动或关闭
# mysqld_multi --defaults-file=/usr/local/mysql5.5/etc/my.cnf start/stop 1,2
# 查看MySQL是否启动
# mysqld_multi --defaults-file=./my.cnf report 1,2
Reporting MySQL servers
MySQL server from group: mysqld1 is running
MySQL server from group: mysqld2 is running
# netstat -antp |grep mysql
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 20896
/mysqld
tcp 0 0 0.0.0.0:3307 0.0.0.0:* LISTEN 21499
/mysqld
# 加入开机启动
echo
"/usr/local/mysql5.5/mysqld_multi --defaults-file=/usr/local/mysql5.5/etc/my.cnf start 1,2"
>>
/etc/rc
.
local
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# /usr/local/mysql5.5/bin/mysqld_safe --defaults-extra-file=/usr/local/mysql5.5/etc/my3306.cnf --datadir=/usr/local/mysql5.5/data3306/ --user=mysql &
# mysqladmin -uroot -p123 -S/tmp/mysql3306.sock shutdown
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# 首次登录先设置密码
# mysql -S /tmp/mysql3306.sock -P 3307 -uroot -p #直接回车进入
mysql>
set
password=password(
'123'
);
# mysql -S /tmp/mysql3307.sock -P 3307 -uroot -p
mysql>
set
password=password(
'123'
);
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mysql> grant all on *.* to
'root'
@
'%'
identified by
'123'
;
# mysql -h 192.168.1.10 -P 3306 -uroot -p123
# mysql -h 192.168.1.10 -P 3307 -uroot -p123
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