5、查看mysql版本:
$ /usr/local/webserver/mysql/bin/mysql --version
到此,mysql安装完成。
MySQL 配置
1、创建mysql运行使用的用户mysql:
$ /usr/sbin/groupadd mysql $ /usr/sbin/useradd -g mysql mysql
2、创建binlog和库的存储路径并赋予mysql用户权限
$ mkdir -p /usr/local/webserver/mysql/binlog /www/data_mysql $ chown mysql.mysql /usr/local/webserver/mysql/binlog/ /www/data_mysql/
3、创建my.cnf配置文件
将/etc/my.cnf替换为下面内容
$ cat /etc/my.cnf[client]port = 3306socket = /tmp/mysql.sock[mysqld]replicate-ignore-db = mysql replicate-ignore-db = test replicate-ignore-db = information_schema user = mysql port = 3306socket = /tmp/mysql.sock basedir = /usr/local/webserver/mysql datadir = /www/data_mysql log-error = /usr/local/webserver/mysql/mysql_error.log pid-file = /usr/local/webserver/mysql/mysql.pid open_files_limit = 65535back_log = 600max_connections = 5000max_connect_errors = 1000table_open_cache = 1024external-locking = FALSE max_allowed_packet = 32Msort_buffer_size = 1Mjoin_buffer_size = 1Mthread_cache_size = 600#thread_concurrency = 8query_cache_size = 128Mquery_cache_limit = 2Mquery_cache_min_res_unit = 2kdefault-storage-engine = MyISAMdefault-tmp-storage-engine=MYISAM thread_stack = 192Ktransaction_isolation = READ-COMMITTED tmp_table_size = 128Mmax_heap_table_size = 128Mlog-slave-updates log-bin = /usr/local/webserver/mysql/binlog/binlog binlog-do-db=oa_fb binlog-ignore-db=mysql binlog_cache_size = 4Mbinlog_format = MIXED max_binlog_cache_size = 8Mmax_binlog_size = 1Grelay-log-index = /usr/local/webserver/mysql/relaylog/relaylog relay-log-info-file = /usr/local/webserver/mysql/relaylog/relaylog relay-log = /usr/local/webserver/mysql/relaylog/relaylog expire_logs_days = 10key_buffer_size = 256Mread_buffer_size = 1Mread_rnd_buffer_size = 16Mbulk_insert_buffer_size = 64Mmyisam_sort_buffer_size = 128Mmyisam_max_sort_file_size = 10Gmyisam_repair_threads = 1myisam_recover interactive_timeout = 120wait_timeout = 120skip-name-resolve#master-connect-retry = 10slave-skip-errors = 1032,1062,126,1114,1146,1048,1396#master-host = 192.168.1.2#master-user = username#master-password = password#master-port = 3306server-id = 1loose-innodb-trx=0 loose-innodb-locks=0 loose-innodb-lock-waits=0 loose-innodb-cmp=0 loose-innodb-cmp-per-index=0loose-innodb-cmp-per-index-reset=0loose-innodb-cmp-reset=0 loose-innodb-cmpmem=0 loose-innodb-cmpmem-reset=0 loose-innodb-buffer-page=0 loose-innodb-buffer-page-lru=0 loose-innodb-buffer-pool-stats=0 loose-innodb-metrics=0 loose-innodb-ft-default-stopword=0 loose-innodb-ft-inserted=0 loose-innodb-ft-deleted=0 loose-innodb-ft-being-deleted=0 loose-innodb-ft-config=0 loose-innodb-ft-index-cache=0 loose-innodb-ft-index-table=0 loose-innodb-sys-tables=0 loose-innodb-sys-tablestats=0 loose-innodb-sys-indexes=0 loose-innodb-sys-columns=0 loose-innodb-sys-fields=0 loose-innodb-sys-foreign=0 loose-innodb-sys-foreign-cols=0slow_query_log_file=/usr/local/webserver/mysql/mysql_slow.log long_query_time = 1[mysqldump]quick max_allowed_packet = 32M
4、初始化数据库
$/usr/local/webserver/mysql/scripts/mysql_install_db --defaults-file=/etc/my.cnf --user=mysql
显示如下信息:
Installing MySQL system tables...2015-01-26 20:18:51 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).OKFilling help tables...2015-01-26 20:18:57 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).OK...
5、创建开机启动脚本
$ cd /usr/local/webserver/mysql/$ cp support-files/mysql.server /etc/rc.d/init.d/mysqld $ chkconfig --add mysqld $ chkconfig --level 35 mysqld on
6、启动mysql服务器
$ service mysqld start
7、连接 MySQL
$ /usr/local/webserver/mysql/bin/mysql -u root -p
修改MySQL用户密码
mysqladmin -u用户名 -p旧密码 password 新密码
或进入mysql命令行
SET PASSWORD FOR '用户名'@'主机' = PASSWORD(‘密码');
创建新用户并授权:
grant all privileges on *.* to 用户名@'%' identified by '密码' with grant option;
其他命令
启动:service mysqld start
停止:service mysqld stop
重启:service mysqld restart
重载配置:service mysqld reload
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启动MySQL服务器程序,确认状态
1)启动MySQL服务程序
启动服务并查看状态:
服务器进程为mysqld,监听的默认端口为TCP 3306:
2)查看MySQL服务器进程、运行用户
提供连接服务的进程为mysqld,由其父进程mysqld_safe启动。