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mysql 5.7单实例安装

发表于：2026-11-02 作者：千家信息网编辑

千家信息网最后更新 2026年11月02日，yum -y install cmakeuseradd mysqlcmake \ -DCMAKE_INSTALL_PREFIX=/u01/mysql \ -DMYSQL_DATADIR=/u01/my

千家信息网最后更新 2026年11月02日mysql 5.7单实例安装yum -y install cmake
useradd mysql
cmake \ -DCMAKE_INSTALL_PREFIX=/u01/mysql \ -DMYSQL_DATADIR=/u01/mysql/data \ -DSYSCONFDIR=/u01/mysql/data \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci \ -DMYSQL_TCP_PORT=3306 \ -DMYSQL_USER=mysql \ -DMYSQL_UNIX_ADDR=/u01/mysql/data/mysql.sock \ -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 \ -DWITH_ARCHIVE_STORAGE_ENGINE=1 \ -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \ -DWITH_MEMORY_STORAGE_ENGINE=1 \ -DDOWNLOAD_BOOST=1 \ -DWITH_BOOST=/u01/mysql/boost
或者默认路径安装 cmake \ -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \ -DMYSQL_DATADIR=/usr/local/mysql/data \ -DSYSCONFDIR=/etc \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci \ -DMYSQL_TCP_PORT=3306 \ -DMYSQL_USER=mysql \ -DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock \ -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 \ -DWITH_ARCHIVE_STORAGE_ENGINE=1 \ -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \ -DWITH_MEMORY_STORAGE_ENGINE=1 \ -DDOWNLOAD_BOOST=1 \ -DWITH_BOOST=/usr/local/mysql/boost

make && make install
//初始化mysql数据库 /u01/mysql/bin/mysqld --initialize --user=mysql --basedir=/u01/mysql --datadir=/u01/mysql/data
/* 随机生成的密码： 2016-11-24T09:59:53.588280Z 1 [Note] A temporary password is generated for root@localhost: yuWx:rLGp2xj
之前版本mysql_install_db是在mysql_basedir/script下，5.7放在了mysql_install_db/bin目录下,且已被废弃 "-initialize"会生成一个随机密码(~/.mysql_secret)，而"-initialize-insecure"不会生成密码 -datadir目标目录下不能有数据文件 */
//备份my.conf文件 mv /etc/my.cnf /etc/my.cnf.bak

[root@CnBJYwz01QorasunpengL01 mysql-5.7.10]# cp /u01/mysql/support-files/mysql.server /etc/init.d/mysqld [root@CnBJYwz01QorasunpengL01 mysql-5.7.10]# chmod +x /etc/init.d/mysqld
//配置my.cnf [root@CnBJYwz01QorasunpengL01 mysql-5.7.10]# vi /u01/mysql/my.cnf [client] port = 3306 socket = /u01/mysql/data/mysql.sock
[mysql] no-auto-rehash
[mysqld] server-id = 1 user = mysql port = 3306 socket = /u01/mysql/data/mysql.sock basedir = /u01/mysql datadir = /u01/mysql/data open_files_limit = 10240
back_log = 600 max_connections = 3000 max_connect_errors = 6000 table_open_cache = 614 external-locking = FALSE max_allowed_packet = 32M thread_cache_size = 300 query_cache_size = 64M query_cache_limit = 4M default-storage-engine = InnoDB thread_stack = 192K transaction_isolation = READ-COMMITTED tmp_table_size = 256M max_heap_table_size = 256M long_query_time = 4
slow_query_log_file=/u01/mysql/data/slow-log.log slow_query_log log-bin = /u01/mysql/data/ray-bin.log binlog_cache_size = 4M max_binlog_cache_size = 8M max_binlog_size = 512M expire_logs_days = 7 key_buffer_size = 256MB read_buffer_size = 1M read_rnd_buffer_size = 16M bulk_insert_buffer_size = 64M skip-name-resolve lower_case_table_names = 1
innodb_buffer_pool_size = 512M innodb_thread_concurrency = 8 innodb_flush_log_at_trx_commit = 2 innodb_log_buffer_size = 16M innodb_log_file_size = 128M innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 innodb_file_per_table = on
[mysqldump] quick max_allowed_packet = 32M
[mysqld_safe] log-error=/u01/mysql/data/mysql_ray.err pid-file=/u01/mysql/data/ray.pid

[mysql@CnBJYwz01QorasunpengL01 mysql]$ service mysqld start Starting MySQL.. [ OK ]
//重置密码 [mysql@CnBJYwz01QorasunpengL01 ~]$ mysql -uroot -pyuWx:rLGp2xj
mysql> set password = password('123456'); Query OK, 0 rows affected, 1 warning (0.01 sec)

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