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    1. 明輝手游網中心:是一個免費提供流行視頻軟件教程、在線學習分享的學習平臺!

      Centos7在Linux下安裝Mysql5.7.19的圖文詳細教程(圖)

      [摘要]這篇文章主要介紹了Linux下Centos7安裝Mysql5.7.19的教程詳解,需要的朋友可以參考下1.下載mysql2.選擇源碼包,通用版點擊下載直接下載就可以了,不用登錄3.解壓編譯tar -...
      這篇文章主要介紹了Linux下Centos7安裝Mysql5.7.19的教程詳解,需要的朋友可以參考下

      1.下載mysql

      Centos7在Linux下安裝Mysql5.7.19的教程(圖)

      2.選擇源碼包,通用版點擊下載

      Centos7在Linux下安裝Mysql5.7.19的教程(圖)

      直接下載就可以了,不用登錄

      Centos7在Linux下安裝Mysql5.7.19的教程(圖)

      3.解壓編譯


      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

      先用cmake編譯,沒有這個命令需要先yum安裝


      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

      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-


      DCMAKE_INSTALL_PREFIX=/usr/local/mysql/

      一般為了安全起見,我們都會創建一個mysql用戶和mysql組,執行以下命令


      #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


      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


      chown -R mysql:mysql mysql

      4.接下來配置啟動向,設置開機啟動

      配置/ect/my.cnf,如果沒有my.cnf可自行新建添加 , 僅供參考


      [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:

      注意 mysql_install_db 已經不再推薦使用了,建議改成 mysqld –initialize 完成實例初始化。


      /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

      ERROR! The server quit without updating PID file (/data/mysql/mysql.pid).

      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。

      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] Aborting

      清空之后再重新初始化


      /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


      ervice mysqld start

      登錄測試


      /usr/local/mysql/bin/mysql -uroot -

      因為初始化--initialize-insecure 是默認沒有密碼的所以密碼不用輸入直接確定就行了;

      假如登錄報錯


      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

      空密碼不安全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


      [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密碼修改成功沒有就完成啦!

      總結

      以上就是Centos7在Linux下安裝Mysql5.7.19的教程(圖)的詳細內容,更多請關注php中文網其它相關文章!


      學習教程快速掌握從入門到精通的SQL知識。




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