Yum安装MySQL
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1、下载mysql-5.7 RPM包并解压
wget https://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-5.7.23-1.el7.x86_64.rpm-bundle.tar tar xf mysql-5.7.23-1.el7.x86_64.rpm-bundle.tar
2、卸载系统安装完成后自带的mariadb-libs包(CentOS 7)
rpm -e mariadb-libs --nodeps
3、安装各个RPM包
yum localinstall mysql-community-common-5.7.23-1.el7.x86_64.rpm yum localinstall mysql-community-libs-5.7.23-1.el7.x86_64.rpm yum localinstall mysql-community-client-5.7.23-1.el7.x86_64.rpm yum localinstall mysql-community-server-5.7.23-1.el7.x86_64.rpm
4、初始化数据库
mysqld --initialize --user=mysql --datadir=/data/mysql #新版的初始化方式
5、修改数据库目录所属用户与所属组
chown -R mysql:mysql /data/mysql
6、启动MySQL
systemctl start mysqld
7、通过临时密码登录并修改密码
grep -i password /var/log/mysqld.log mysql -uroot -p #输入以上临时密码 mysql> set password=password(‘[email protected]‘); Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)
8、参考配置文件
[client] port = 3306 socket = /tmp/mysql.sock default-character-set = utf8 [mysql] prompt="MySQL [d]> " no-auto-rehash [mysqld] port = 3306 socket = /tmp/mysql.sock basedir = /usr/local/mysql datadir = /data/mysql pid-file = /data/mysql/mysql.pid user = mysql bind-address = 0.0.0.0 server-id = 1 init-connect = ‘SET NAMES utf8‘ character-set-server = utf8 skip-name-resolve #skip-networking back_log = 300 max_connections = 2604 max_connect_errors = 6000 open_files_limit = 65535 table_open_cache = 1024 max_allowed_packet = 500M binlog_cache_size = 1M max_heap_table_size = 8M tmp_table_size = 128M read_buffer_size = 2M read_rnd_buffer_size = 8M sort_buffer_size = 8M join_buffer_size = 8M key_buffer_size = 256M thread_cache_size = 64 query_cache_type = 1 query_cache_size = 64M query_cache_limit = 2M ft_min_word_len = 4 log_bin = mysql-bin binlog_format = row expire_logs_days = 7 log_error = /data/mysql/mysql-error.log slow_query_log = 1 long_query_time = 1 slow_query_log_file = /data/mysql/mysql-slow.log performance_schema = 0 explicit_defaults_for_timestamp skip-external-locking default_storage_engine = InnoDB #default-storage-engine = MyISAM innodb_file_per_table = 1 innodb_open_files = 500 innodb_buffer_pool_size = 1024M innodb_write_io_threads = 4 innodb_read_io_threads = 4 innodb_thread_concurrency = 0 innodb_purge_threads = 1 innodb_flush_log_at_trx_commit = 2 innodb_log_buffer_size = 2M innodb_log_file_size = 32M innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 bulk_insert_buffer_size = 8M myisam_sort_buffer_size = 64M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 interactive_timeout = 28800 wait_timeout = 28800 binlog_rows_query_log_events = 1 log_bin_trust_function_creators = 1 log_timestamps = SYSTEM lower_case_table_names = 1 [mysqldump] quick max_allowed_packet = 500M [myisamchk] key_buffer_size = 256M sort_buffer_size = 8M read_buffer = 4M write_buffer = 4M
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