centos6.5 安装mysql5.6单实例和多实例（单配置文件）

安装mysql 创建mysql用户useradd mysql //已经有的不需要创建 卸载原来的mysql rpm包rpm -qa|grep mysql //查询是否有相关包yum -y remove *mysql* //我这里用yum卸载的 关闭防火墙，关闭selinuxservice iptables stop //个人习惯性关闭防火墙sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/g’ /etc/selinux/configsetenforce 0 安装所需依赖包yum -y install make gcc gcc-c++ gcc-gfortran flex bison file libtool libtool-libs autoconf kernel-devel libjpeg libjpeg-devel libpng libpng-devel libpng10 libpng10-devel gd gd-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glib2 glib2-devel bzip2 bzip2-devel libevent libevent-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel gettext gettext-devel ncurses-devel gmp-devel pspell-devel unzip libcap lsof 安装cmakeMysql5.6版本后需要cmake来配置编译tar -zxvf cmake-2.8.5.tar.gzcd cmake-2.8.5./configuregmake && gmake install 开始安装mysqltar -zxvf mysql-5.6.4-m7.tar.gzcd mysql-5.6.4-m7cmake \-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \-DMYSQL_DATADIR=/usr/local/mysql/data \-DSYSCONFDIR=/etc \-DMYSQL_USER=mysql \-DWITH_MYISAM_STORAGE_ENGINE=1 \-DWITH_INNOBASE_STORAGE_ENGINE=1 \-DWITH_MEMORY_STORAGE_ENGINE=1 \-DWITH_READLINE=1 \-DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock \-DMYSQL_TCP_PORT=3306 \-DENABLED_LOCAL_INFILE=1 \-DWITH_PARTITION_STORAGE_ENGINE=1 \-DEXTRA_CHARSETS=all \-DDEFAULT_CHARSET=utf8 \-DDEFAULT_COLLATION=utf8_general_ci \-DWITH_DEBUG=0 \-DWITH_SSL=systemmake && make install============================================******************************************============================================================单实例的的安装操作安装完相关操作 修改mysql安装目录权限chmod +w /usr/local/msyqlchown -R mysql.mysql /usr/local/mysql //在启动MySQL服务时，会按照一定次序搜索my.cnf，先在/etc目录下找，找不到则会搜索”$basedir/my.cnf” 就是安装目录下/usr/local/mysql/my.cnf，这是新版MySQL的配置文件的默认位置！ 注意：在CentOS 6.x版操作系统的最小安装完成后，在/etc目录下会存在一个my.cnf，需要将此文件更名为其他的名字。 如：/etc/my.cnf.bak，否则，该文件会干扰源码安装的MySQL的正确配置，造成无法启动。 由于我们已经卸载了最小安装完成后的mysq库所以，就没必要操作了。 cd support-files/如果还有my.cnf请备份mv /etc/my.cnf /etc/my.cnf.bak 复制配置文件到etc下cp my-medium.cnf /etc/my.cnf //执行初始化配置脚本，创建系统自带的数据库和表，注意配置文件的路径/usr/local/mysql/scripts/mysql_install_db –defaults-file=/etc/my.cnf –basedir=/usr/local/mysql –datadir=/usr/local/mysql/data –user=mysql //拷贝mysql安装目录下support-files服务脚本到init.d目录#拷贝脚本cp support-files/mysql.server /etc/init.d/mysqld#赋予权限chmod +x /etc/init.d/mysqld#设置开机启动chkconfig mysqld on#启动MySQLservice mysqld start 或者 /etc/init.d/mysql startMySQL5.6.x启动成功后，root默认没有密码，我们需要设置root密码。 设置之前，我们需要先设置PATH，要不,不能直接调用mysql修改/etc/profile文件vim /etc/profile在文件末尾添加PATH=/usr/local/mysql/bin:$PATH#让配置立即生效source /etc/profile#登陆测试，默认是没有密码,直接回车就可进入mysql -uroot -p设置mysqlroot用户密码mysqladmin -u root password “newpass”#如果root已经设置过密码，采用如下方法mysqladmin -uroot -ppassword password “newpass”#验证mysql安装路径ls -ld /usr/local/mysql/============================================******************************************============================================================多实例的的安装操作接着上面源码包安装完成开始1，创建多实例数据库文件夹mkdir -pv /usr/local/mysql/data/{3306,3307,3308}chown -R mysql.mysql /usr/local/mysql/data/2，初始化数据库cd /usr/local/mysqlscripts/mysql_install_db –user=mysql –basedir=/usr/local/mysql –datadir=/usr/local/mysql/data/3306/scripts/mysql_install_db –user=mysql –basedir=/usr/local/mysql –datadir=/usr/local/mysql/data/3307/scripts/mysql_install_db –user=mysql –basedir=/usr/local/mysql –datadir=/usr/local/mysql/data/3308/3，准备配置文件#提供多配置文件模板cd bin./mysqld_multi –example > /usr/local/mysql/data/multi.cnf4,修改模板文件 （不用的注释掉）vim /usr/local/mysql/data/multi.cnf[mysqld_multi]cdmysqld = /usr/local/mysql/bin/mysqld_safemysqladmin = /usr/local/mysql/bin/mysqladminuser = root#password = root #设置了密码后一定要开启，不然命令停止会有问题 （三个实例数据库密码一样） [mysqld1]socket = /tmp/mysql.sock1port = 3306pid-file = /usr/local/mysql/data/3306/mysql.piddatadir = /usr/local/mysql/data/3306/ [mysqld2]socket = /tmp/mysql.sock2port = 3307pid-file = /usr/local/mysql/data/3307/mysql.piddatadir = /usr/local/mysql/data/3307/#language = /usr/local/mysql/share/mysql/english#user = unix_user1 [mysqld3]#mysqld = /path/to/mysqld_safe#ledir = /path/to/mysqld-binary/#mysqladmin = /path/to/mysqladminsocket = /tmp/mysql.sock3port = 3308pid-file = /usr/local/mysql/data/3308/mysql.piddatadir = /usr/local/mysql/data/3308/#language = /usr/local/mysql/share/mysql/swedish#user = unix_user25, 修改/etc/profile文件vim /etc/profile在文件末尾添加PATH=/usr/local/mysql/bin:$PATH#让配置立即生效source /etc/profile6，启动msyql数据库mysqld_multi –defaults-file=/usr/local/mysql/data/multi.cnf start 1,2,3查看端口状态netstat -anpt |grep mysqldtcp 0 0 0.0.0.0:3307 0.0.0.0:* LISTEN 25470/mysqldtcp 0 0 0.0.0.0:3308 0.0.0.0:* LISTEN 25476/mysqldtcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 25453/mysqld7，设置mysql密码mysqladmin -uroot -S /tmp/mysql.sock1 password “root”mysqladmin -uroot -S /tmp/mysql.sock2 password “root”mysqladmin -uroot -S /tmp/mysql.sock3 password “root”8,进入数据库Mysql -S /tmp/mysql.sock1 -proot9,关闭数据库3种方法。mysqladmin -S /tmp/mysql.sock1 shutdown -prootmysqld_multi –defaults-file=/usr/local/mysql/data/multi.cnf stop 1,2,3