《Mysql入門Linux下Centos7安裝Mysql5.7.19的詳細教程》要點:
本文介紹了Mysql入門Linux下Centos7安裝Mysql5.7.19的詳細教程,希望對您有用。如果有疑問,可以聯系我們。
1.下載mysql
MYSQL入門
網址: https://dev.mysql.com/downloads/mysql/MYSQL入門
MYSQL入門
2.選擇源碼包,通用版點擊下載MYSQL入門
MYSQL入門
直接下載就可以了,不用登錄MYSQL入門
MYSQL入門
3.解壓編譯MYSQL入門
tar -zxvf mysql-5.7.19.tar.gz cd mysql-5.7.19.tar.gz
創建數據目錄? mkdir -p /data/mysql
MYSQL入門
先用cmake編譯,沒有這個命令需要先yum安裝MYSQL入門
cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql/ #這個是編譯安裝之后的mysql目錄所在地,可自行更改 -DMYSQL_DATADIR=/data/mysql/ #這個指向數據目錄 -DMYSQL_UNIX_ADDR=/tmp/mysql.sock -DSYSCONFDIR=/usr/local/mysql-5.7/conf/ -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_MEMORY_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DMYSQL_TCP_PORT=3306 -DENABLED_LOCAL_INFILE=1 -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DMYSQL_USER=mysql -DWITH_SSL=system -DWITH_ZLIB=system -DDOWNLOAD_BOOST=1 -DWITH_BOOST=/usr/local/boost #從MySQL 5.7.5開始Boost庫是必需安裝的
編譯之后make && make install?
漫長的等待....之后就安裝完成了MYSQL入門
安裝完成之后路徑/usr/local/ 下面會有一個目錄 mysql,這個目錄就是我編譯安裝設置的路徑-MYSQL入門
DCMAKE_INSTALL_PREFIX=/usr/local/mysql/
一般為了平安起見,我們都會創建一個mysql用戶和mysql組,執行以下命令MYSQL入門
#添加用戶組 groupadd mysql #添加用戶mysql 到用戶組mysql useradd -g mysql mysql
給予mysql權限MYSQL入門
chown -R mysql:mysql mysql #添加用戶組 groupadd mysql #添加用戶mysql 到用戶組mysql useradd -g mysql mysql
給予mysql權限MYSQL入門
chown -R mysql:mysql mysql
4.接下來配置啟動向,設置開機啟動MYSQL入門
配置/ect/my.cnf
,如果沒有my.cnf可自行新建添加 ,? 僅供參考MYSQL入門
[client] ort = 3306 ocket = /tmp/mysql.sock default-character-set = utf8mb4 [mysqld] ort = 3306 ocket = /tmp/mysql.sock asedir = /usr/local/mysql datadir = /data/mysql id-file = /data/mysql/mysql.pid user = mysql ind-address = 0.0.0.0 erver-id = 1 init-connect = 'SET NAMES utf8mb4' character-set-server = utf8mb4 #skip-name-resolve #skip-networking ack_log = 300 max_connections = 1000 max_connect_errors = 6000 open_files_limit = 65535 table_open_cache = 128 max_allowed_packet = 4M inlog_cache_size = 1M max_heap_table_size = 8M tmp_table_size = 16M read_buffer_size = 2M read_rnd_buffer_size = 8M ort_buffer_size = 8M join_buffer_size = 8M key_buffer_size = 4M thread_cache_size = 8 query_cache_type = 1 query_cache_size = 8M query_cache_limit = 2M ft_min_word_len = 4 log_bin = mysql-bi inlog_format = mixed expire_logs_days = 30 log_error = /data/mysql/mysql-error.log low_query_log = 1 long_query_time = 1 low_query_log_file = /data/mysql/mysql-slow.log erformance_schema = 0 explicit_defaults_for_timestam #lower_case_table_names = 1 kip-external-locking default_storage_engine = InnoDB #default-storage-engine = MyISAM innodb_file_per_table = 1 innodb_open_files = 500 innodb_buffer_pool_size = 64M 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 ulk_insert_buffer_size = 8M myisam_sort_buffer_size = 8M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 interactive_timeout = 28800 wait_timeout = 28800 [mysqldump] quick max_allowed_packet = 16M [myisamchk] key_buffer_size = 8M ort_buffer_size = 8M read_buffer = 4M write_buffer = 4M
接下來就執行初始化數據庫語句:MYSQL入門
注意 mysql_install_db
已經不再推薦使用了,建議改成 mysqld Cinitialize 完成實例初始化.MYSQL入門
/usr/local/mysql/bin/mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
這步很重要,如果沒有初始化直接啟動數據庫會報錯MYSQL入門
ERROR! The server quit without updating PID file (/data/mysql/mysql.pid).MYSQL入門
如果初始化失敗或者報以下錯誤,就需要先清空你的/data/mysql目錄了,因為mysql目錄下面有數據所以初始化執行中止.MYSQL入門
2017-08-29T13:39:47.241469Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting.2017-08-29T13:39:47.241536Z 0 [ERROR] AbortingMYSQL入門
清空之后再重新初始化MYSQL入門
/usr/local/mysql/bin/mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
接下來可以啟動mysql了MYSQL入門
ervice mysqld start
登錄測試MYSQL入門
/usr/local/mysql/bin/mysql -uroot -
因為初始化--initialize-insecure
是默認沒有暗碼的所以暗碼不用輸入直接確定就行了;MYSQL入門
假如登錄報錯MYSQL入門
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
檢查一下你啟動數據庫成功沒? 可執行? ps -ef | grep mysql?
看看進程是不是啟動狀態MYSQL入門
空密碼不平安所以我們還要設置密碼,下面命令中的\"root\"就是設置密碼區域,我的密碼設置為root,可自行修改MYSQL入門
[root@localhost local]# /usr/local/mysql/bin/mysql -e "grant all privileges on *.* to root@'127.0.0.1' identified by \"root\" with grant option;"[root@localhost local]# /usr/local/mysql/bin/mysql -e "grant all privileges on *.* to root@'localhost' identified by \"root\" with grant option;"
接下來再登錄測試一次暗碼修改成功沒有就完成啦!MYSQL入門
總結MYSQL入門
以上所述是小編給大家介紹的Linux下Centos7安裝Mysql5.7.19的詳細教程,希望對大家有所贊助,如果大家有任何疑問請給我留言,小編會及時回復大家的.在此也非常感謝大家對維易PHP網站的支持!MYSQL入門
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