linux 基于 my.cnf 安装mysql 5.7

迷南。 2022-09-09 14:51 138阅读 0赞

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### 下载地址**：**[https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.34-linux-glibc2.12-x86\_64.tar.gz][https_cdn.mysql.com_archives_mysql-5.7_mysql-5.7.34-linux-glibc2.12-x86_64.tar.gz] ###

### 1. 首先需要创建安装的目录（解压mysql目录）： ###

[root@bogon mysql 5.7]# mkdir mysql_3306

###  2. 解压mysql 压缩文件到 mysql 路径下： ###

[root@bogon mysql 5.7]# tar -xvzf mysql-5.7.34-linux-glibc2.12-x86_64.tar.gz -C /home/mysql_3306/ --strip-components=1

### 3. 打开创建解压的目录： ###

[root@bogon home]# cd mysql_3306/

###  4. 创建log 文件目录： ###

[root@bogon mysql_3306]# mkdir -p keyring data tmp log/{binlog,relaylog,redolog}

###  5. 创建 my.cnf 文件： ###

[root@bogon mysql_3306]#  vi my.cnf

my.cnf 文件内容：

[mysqld]
    early-plugin-load="keyring_file.so"
    keyring_file_data=/home/mysql_3306/keyring/keyring
    
    # DO NOT MODIFY, Universe will generate this part
    port = 3306
    server_id = 1
    basedir = /home/mysql_3306/
    datadir = /home/mysql_3306/data/
    log_bin = /home/mysql_3306/log/binlog/mysql-bin
    tmpdir = /home/mysql_3306/tmp/
    relay_log = /home/mysql_3306/log/relaylog/mysql-relay
    innodb_log_group_home_dir = /home/mysql_3306/log/redolog/
    log_error = /home/mysql_3306/data/mysql-error.log
    report_host = 192.168.43.67
    
    # BINLOG
    binlog_error_action = ABORT_SERVER
    binlog_format = row
    binlog_rows_query_log_events = 1
    log_slave_updates = 1
    master_info_repository = TABLE
    max_binlog_size = 256M
    relay_log_info_repository = TABLE
    relay_log_recovery = 1
    sync_binlog = 1
    
    # GTID #
    gtid_mode = ON
    enforce_gtid_consistency = 1
    
    # ENGINE
    default_storage_engine = InnoDB
    innodb_buffer_pool_size = 128M
    innodb_data_file_path = ibdata1:1G:autoextend
    innodb_file_per_table = 1
    innodb_flush_log_at_trx_commit=1
    innodb_flush_method = O_DIRECT
    innodb_io_capacity = 1000
    innodb_log_buffer_size = 64M
    innodb_log_file_size = 128M
    innodb_log_files_in_group = 2
    innodb_max_dirty_pages_pct = 60
    innodb_print_all_deadlocks=1
    innodb_stats_on_metadata = 0
    innodb_strict_mode = 1
    innodb_read_io_threads = 8
    innodb_write_io_threads = 8
    innodb_purge_threads = 8
    innodb_buffer_pool_load_at_startup = 1
    innodb_buffer_pool_dump_at_shutdown = 1
    innodb_buffer_pool_dump_pct=25
    innodb_sort_buffer_size = 8M
    #innodb_page_cleaners = 8
    #innodb_buffer_pool_instances = 8
    
    # CACHE
    key_buffer_size = 32M
    tmp_table_size = 32M
    max_heap_table_size = 32M
    table_open_cache = 1024
    query_cache_type = 0
    query_cache_size = 0
    max_connections = 2000
    thread_cache_size = 1024
    open_files_limit = 65535
    binlog_cache_size = 1M
    join_buffer_size = 8M
    sort_buffer_size = 8M
    
    # SLOW LOG
    slow_query_log = 1
    slow_query_log_file = /home/mysql_3306/data/mysql-slow.log
    log_slow_admin_statements = 1
    log_slow_slave_statements = 1
    long_query_time  = 1
    
    # SEMISYNC #
    plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"
    rpl_semi_sync_master_enabled = 1
    rpl_semi_sync_slave_enabled = 0
    rpl_semi_sync_master_wait_for_slave_count = 1
    rpl_semi_sync_master_wait_no_slave = 0
    rpl_semi_sync_master_timeout = 30000
    
    # MISC
    log_timestamps=SYSTEM
    lower_case_table_names = 1
    max_allowed_packet = 64M
    read_only = 0
    skip_external_locking = 1
    skip_name_resolve = 1
    skip_slave_start = 1
    socket = /home/mysql_3306/data/mysqld.sock
    pid_file = /home/mysql_3306/data/mysqld.pid
    disabled_storage_engines = ARCHIVE,BLACKHOLE,EXAMPLE,FEDERATED,MEMORY,MERGE,NDB
    log-output = TABLE,FILE
    character_set_server = utf8mb4
    secure_file_priv = ""
    performance-schema-instrument='wait/lock/metadata/sql/mdl=ON'
    expire_logs_days = 14
    
    # MTS
    slave-parallel-type=LOGICAL_CLOCK
    slave_parallel_workers=16
    slave_preserve_commit_order=1

### 6. mysql\_3306 授权限： ###

[root@bogon mysql_3306]#  chown -R mysql:mysql /home/mysql_3306

### 7. 重新加载配置文件： ###

[root@bogon mysql_3306]# systemctl daemon-reload

### 8. 初始化： ###

[root@bogon mysql_3306]# /home/mysql_3306/bin/mysqld --defaults-file=/home/mysql_3306/my.cnf --initialize --user=mysql &

[root@bogon mysql_3306]# /home/mysql_3306/bin/mysql_ssl_rsa_setup --datadir=/home/mysql_3306/data/

### 9. 打印查看log ，有无异常： ###

[root@bogon mysql_3306]# cat data/mysql-error.log

### 10. 创建mysql\_3306.service 文件： ###

[root@bogon mysql_3306]# vi /etc/systemd/system/mysql_3306.service

mysql\_3306.service 内容：

[Unit]
    Description=MySQL Server
    Documentation=man:mysqld(8)
    Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
    After=network.target
    After=syslog.target
    
    [Install]
    WantedBy=multi-user.target
    
    [Service]
    User=mysql
    Group=mysql
    
    # 启动结束后会发出通知信号，systemd 接下来可以启动其他服务，在容器中可能需要设置为forking（启动一个子进程，并且启动后父进程会退出）
    Type=forking
    PIDFile=/home/mysql_3306/data/mysqld.pid
    
    # Disable service start and stop timeout logic of systemd for mysqld service.
    TimeoutSec=0
    
    # Start main service
    ExecStart=/home/mysql_3306/bin/mysqld --defaults-file=/home/mysql_3306/my.cnf --daemonize --pid-file=/home/mysql_3306/data/mysqld.pid --user=mysql --socket=/home/mysql_3306/data/mysqld.sock --port=3306
    
    # Use this to switch malloc implementation
    EnvironmentFile=-/etc/sysconfig/mysql
    
    # Sets open_files_limit
    LimitNOFILE = 65535
    
    # 守护，意外的停止会被重启
    Restart=on-failure
    
    #设置安全退出码，不会被自动重启
    RestartPreventExitStatus=1
    
    PrivateTmp=false

### 11. 重新加载配置文件： ###

[root@bogon mysql_3306]# systemctl daemon-reload

### 12. 启动 服务： ###

[root@bogon mysql_3306]# systemctl start mysql_3306.service

### 13. 查询服务状态：(正常启动) ###

[root@bogon mysql_3306]# systemctl status mysql_3306.service
    ● mysql_3306.service - MySQL Server
       Loaded: loaded (/etc/systemd/system/mysql_3306.service; enabled; vendor preset: disabled)
       Active: active (running) since 四 2021-09-02 10:42:01 CST; 16s ago
         Docs: man:mysqld(8)
               http://dev.mysql.com/doc/refman/en/using-systemd.html
     Main PID: 29329 (mysqld)
       CGroup: /system.slice/mysql_3306.service
               └─29329 /home/mysql_3306/bin/mysqld --defaults-file=/home/mysql_3306/my.cnf --daemonize --pid-file=/home/mysql_3306/data/mysqld.pid --user=mysql --socket=/home/mysql_3306/data/mysqld.sock --port=...
    
    9月 02 10:42:01 bogon systemd[1]: Starting MySQL Server...
    9月 02 10:42:01 bogon systemd[1]: Started MySQL Server.

### 14 .设置开机自启： ###

[root@bogon mysql_3306]# systemctl enable mysql_3306.service

### 15. 查看root 默认密码： ###

[root@bogon mysql_3306]# cat /home/mysql_3306/data/mysql-error.log |grep "temporary password"
    2021-09-02T10:39:04.785752+08:00 1 [Note] A temporary password is generated for root@localhost: ******（默认密码）

### 16. 登录  mysql服务 输入默认密码： ###

[root@bogon mysql_3306]# /home/mysql_3306/bin/mysql -uroot -p -S /home/mysql_3306/data/mysqld.sock
    Enter password:

### 17. 登录成功： ###

Welcome to the MySQL monitor.  Commands end with ; or \g.
    Your MySQL connection id is 5
    Server version: 5.7.34-log
    
    Copyright (c) 2000, 2021, Oracle and/or its affiliates.
    
    Oracle is a registered trademark of Oracle Corporation and/or its
    affiliates. Other names may be trademarks of their respective
    owners.
    
    Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
    
    mysql>

### 18. 修改root 默认密码，重新加载权限表。 ###

mysql>  alter user root@'localhost' identified by '123456'; 
    mysql>  flush privileges;

### 19. 安装完毕发现 远程无法登入服务，需要修改user 所对应的 host。 ###

### 20 . 大功告成  测试成功： ###

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA54ix56CB54uu_size_20_color_FFFFFF_t_70_g_se_x_16][]

[https_cdn.mysql.com_archives_mysql-5.7_mysql-5.7.34-linux-glibc2.12-x86_64.tar.gz]: https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.34-linux-glibc2.12-x86_64.tar.gz
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA54ix56CB54uu_size_20_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/51fd4f6cb7304fb498cbb4ae3c39d4a7.png