防伪码：没有相当程度的孤独是不可能有内心的平和。

1、测试环境

主机名 IP 系统 MySQL版本
MySQL-00 192.168.10.23 CentOS release 6.9 (Final) 5.5.56

2、部署

2.1 卸载之前版本

rpm -qa|grep mysql
rpm -e --nodeps mysql-libs-5.1.73-8.el6_8.x86_64


2.2 安装依赖包和cmake

yum -y install ncurses-devel libaio-devel cmake


2.3 创建用户和目录

useradd mysql -s /sbin/nologin -M
mkdir /app


2.4 编译安装

2.4.1 解压

cd /opt
tar zxf mysql-5.5.56.tar.gz
cd mysql-5.5.56


2.4.2  编译安装

cmake . -DCMAKE_INSTALL_PREFIX=/app/mysql-5.5.56 -DMYSQL_DATADIR=/app/mysql-5.5.56/data -DMYSQL_UNIX_ADDR=/app/mysql-5.5.56/tmp/mysql.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DEXTRA_CHARSETS=gbk,gb2312,utf8,ascii -DENABLED_LOCAL_INFILE=ON -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITHOUT_EXAMPLE_STORAGE_ENGINE=1 -DWITHOUT_PARTITION_STORAGE_ENGINE=1 -DWITH_FAST_MUTEXES=1 -DWITH_ZLIB=bundled -DENABLED_LOCAL_INFILE=1 -DWITH_READLINE=1 -DWITH_EMBEDDED_SERVER=1 -DWITH_DEBUG=0
make && make install


2.4.3 创建tmp目录及配置文件

mkdir /app/mysql-5.5.56/tmp
cd /app/mysql-5.5.56
cp support-files/my-small.cnf /etc/my.cnf
chown -R mysql.mysql /app/mysql-5.5.56
chmod -R 1777 /app/mysql-5.5.56/tmp


2.4.4 初始化

cd /app/mysql/scripts/
./mysql_install_db --basedir=/app/mysql-5.5.56/ --datadir=/app/mysql-5.5.56/data/ --user=mysql


2.4.5 启动脚本

cp support-files/mysql.server /etc/init.d/mysqld
chmod +x /etc/init.d/mysqld
ln -s /app/mysql-5.5.56 /app/mysql
cp /app/mysql-5.5.56/bin/* /usr/local/sbin/
chkconfig --add mysqld
chkconfig mysqld on


2.4.6 配置UTF-8字符集

sed -i '22a default-character-set=utf8' /etc/my.cnf
sed -i '38a character-set-server=utf8' /etc/my.cnf
sed -i '83a default-character-set=utf8' /etc/my.cnf


查看字符集：

mysql> show variables like 'character%';
+--------------------------+-----------------------------------+
| Variable_name            | Value                             |
+--------------------------+-----------------------------------+
| character_set_client     | utf8                              |
| character_set_connection | utf8                              |
| character_set_database   | utf8                              |
| character_set_filesystem | binary                            |
| character_set_results    | utf8                              |
| character_set_server     | utf8                              |
| character_set_system     | utf8                              |
| character_sets_dir       | /app/mysql-5.5.56/share/charsets/ |
+--------------------------+-----------------------------------+
8 rows in set (0.00 sec)


2.4.7 修改密码

mysqladmin -uroot password