CentOS6.8 Mysql安裝

本文檔主要介紹瞭如何在CentOS6.8上安裝MySQL。詳細步驟以下:mysql

1、檢查系統是否安裝其餘版本的MYSQL數據,並刪除。


#yum list installed | grep mysqlweb

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# yum list installed | grep mysql
mysql-libs.x86_64    5.1.73-8.el6_8     @base


#yum -y remove mysql-libs.x86_64sql

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# yum -y remove mysql-libs.x86_64
Loaded plugins: fastestmirror
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package mysql-libs.x86_64 0:5.1.73-8.el6_8 will be erased
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64
--> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-8.el6.x86_64
--> Running transaction check
---> Package postfix.x86_64 2:2.6.6-8.el6 will be erased
--> Processing Dependency: /usr/sbin/sendmail for package: redhat-lsb-core-4.0-7.el6.centos.x86_64
--> Processing Dependency: /usr/sbin/sendmail for package: cronie-1.4.4-16.el6_8.2.x86_64
--> Running transaction check
---> Package cronie.x86_64 0:1.4.4-16.el6_8.2 will be erased
--> Processing Dependency: cronie = 1.4.4-16.el6_8.2 for package: cronie-anacron-1.4.4-16.el6_8.2.x86_64
---> Package redhat-lsb-core.x86_64 0:4.0-7.el6.centos will be erased
--> Running transaction check
---> Package cronie-anacron.x86_64 0:1.4.4-16.el6_8.2 will be erased
--> Processing Dependency: /etc/cron.d for package: sysstat-9.0.4-33.el6.x86_64
--> Processing Dependency: /etc/cron.d for package: crontabs-1.10-33.el6.noarch
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package crontabs.noarch 0:1.10-33.el6 will be erased
---> Package sysstat.x86_64 0:9.0.4-33.el6 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================================================================================================================================
 Package                                       Arch                                 Version                                         Repository                                                              Size
=================================================================================================================================================================================================================
Removing:
 mysql-libs                                    x86_64                               5.1.73-8.el6_8                                  @base                                                                  4.0 M
Removing for dependencies:
 cronie                                        x86_64                               1.4.4-16.el6_8.2                                @base                                                                  174 k
 cronie-anacron                                x86_64                               1.4.4-16.el6_8.2                                @base                                                                   43 k
 crontabs                                      noarch                               1.10-33.el6                                     @anaconda-CentOS-201605220104.x86_64/6.8                               2.4 k
 postfix                                       x86_64                               2:2.6.6-8.el6                                   @base                                                                  9.7 M
 redhat-lsb-core                               x86_64                               4.0-7.el6.centos                                @base                                                                   22 k
 sysstat                                       x86_64                               9.0.4-33.el6                                    @base                                                                  826 k

Transaction Summary
=================================================================================================================================================================================================================
Remove        7 Package(s)

Installed size: 15 M
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : redhat-lsb-core-4.0-7.el6.centos.x86_64                                                                                                                                                       1/7 
/var/tmp/rpm-tmp.JQYEIW: line 1: lsb_release: command not found
  Erasing    : sysstat-9.0.4-33.el6.x86_64                                                                                                                                                                   2/7 
  Erasing    : cronie-1.4.4-16.el6_8.2.x86_64                                                                                                                                                                3/7 
  Erasing    : cronie-anacron-1.4.4-16.el6_8.2.x86_64                                                                                                                                                        4/7 
  Erasing    : crontabs-1.10-33.el6.noarch                                                                                                                                                                   5/7 
  Erasing    : 2:postfix-2.6.6-8.el6.x86_64                                                                                                                                                                  6/7 
  Erasing    : mysql-libs-5.1.73-8.el6_8.x86_64                                                                                                                                                              7/7 
  Verifying  : cronie-anacron-1.4.4-16.el6_8.2.x86_64                                                                                                                                                        1/7 
  Verifying  : cronie-1.4.4-16.el6_8.2.x86_64                                                                                                                                                                2/7 
  Verifying  : 2:postfix-2.6.6-8.el6.x86_64                                                                                                                                                                  3/7 
  Verifying  : redhat-lsb-core-4.0-7.el6.centos.x86_64                                                                                                                                                       4/7 
  Verifying  : crontabs-1.10-33.el6.noarch                                                                                                                                                                   5/7 
  Verifying  : sysstat-9.0.4-33.el6.x86_64                                                                                                                                                                   6/7 
  Verifying  : mysql-libs-5.1.73-8.el6_8.x86_64                                                                                                                                                              7/7 

Removed:
  mysql-libs.x86_64 0:5.1.73-8.el6_8                                                                                                                                                                             

Dependency Removed:
  cronie.x86_64 0:1.4.4-16.el6_8.2 cronie-anacron.x86_64 0:1.4.4-16.el6_8.2 crontabs.noarch 0:1.10-33.el6 postfix.x86_64 2:2.6.6-8.el6 redhat-lsb-core.x86_64 0:4.0-7.el6.centos sysstat.x86_64 0:9.0.4-33.el6

Complete!

2、安裝及配置


# wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm數據庫

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
--2017-11-04 14:57:59--  http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
Resolving repo.mysql.com... 23.211.97.88
Connecting to repo.mysql.com|23.211.97.88|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5824 (5.7K) [application/x-redhat-package-manager]
Saving to: 「mysql-community-release-el6-5.noarch.rpm」

100%[=======================================================================================================================================================================>] 5,824       --.-K/s   in 0s      

2017-11-04 14:57:59 (412 MB/s) - 「mysql-community-release-el6-5.noarch.rpm」 saved [5824/5824]


# rpm -ivh mysql-community-release-el6-5.noarch.rpmbootstrap

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# rpm -ivh mysql-community-release-el6-5.noarch.rpm
Preparing...                ########################################### [100%]
   1:mysql-community-release########################################### [100%]


# yum repolist all | grep mysqlcentos

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# yum repolist all | grep mysql
mysql-connectors-community        MySQL Connectors Community     enabled:     42
mysql-connectors-community-source MySQL Connectors Community - S disabled
mysql-tools-community             MySQL Tools Community          enabled:     51
mysql-tools-community-source      MySQL Tools Community - Source disabled
mysql55-community                 MySQL 5.5 Community Server     disabled
mysql55-community-source          MySQL 5.5 Community Server - S disabled
mysql56-community                 MySQL 5.6 Community Server     enabled:    396
mysql56-community-source          MySQL 5.6 Community Server - S disabled
mysql57-community-dmr             MySQL 5.7 Community Server Dev disabled
mysql57-community-dmr-source      MySQL 5.7 Community Server Dev disabled


安裝MYSQL數據庫
# yum install mysql-community-server -y安全

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# yum install mysql-community-server -y
Loaded plugins: fastestmirror
Setting up Install Process
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.x86_64 0:5.6.38-2.el6 will be installed
--> Processing Dependency: mysql-community-common(x86-64) = 5.6.38-2.el6 for package: mysql-community-server-5.6.38-2.el6.x86_64
--> Processing Dependency: mysql-community-client(x86-64) >= 5.6.10 for package: mysql-community-server-5.6.38-2.el6.x86_64
--> Processing Dependency: perl(DBI) for package: mysql-community-server-5.6.38-2.el6.x86_64
--> Running transaction check
---> Package mysql-community-client.x86_64 0:5.6.38-2.el6 will be installed
--> Processing Dependency: mysql-community-libs(x86-64) >= 5.6.10 for package: mysql-community-client-5.6.38-2.el6.x86_64
---> Package mysql-community-common.x86_64 0:5.6.38-2.el6 will be installed
---> Package perl-DBI.x86_64 0:1.609-4.el6 will be installed
--> Running transaction check
---> Package mysql-community-libs.x86_64 0:5.6.38-2.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================================================================================================================================
 Package                                                   Arch                                      Version                                          Repository                                            Size
=================================================================================================================================================================================================================
Installing:
 mysql-community-server                                    x86_64                                    5.6.38-2.el6                                     mysql56-community                                     55 M
Installing for dependencies:
 mysql-community-client                                    x86_64                                    5.6.38-2.el6                                     mysql56-community                                     18 M
 mysql-community-common                                    x86_64                                    5.6.38-2.el6                                     mysql56-community                                    308 k
 mysql-community-libs                                      x86_64                                    5.6.38-2.el6                                     mysql56-community                                    1.9 M
 perl-DBI                                                  x86_64                                    1.609-4.el6                                      base                                                 705 k

Transaction Summary
=================================================================================================================================================================================================================
Install       5 Package(s)

Total download size: 76 M
Installed size: 338 M
Downloading Packages:
(1/5): mysql-community-client-5.6.38-2.el6.x86_64.rpm                                                                                                                                     |  18 MB     00:02     
(2/5): mysql-community-common-5.6.38-2.el6.x86_64.rpm                                                                                                                                     | 308 kB     00:00     
(3/5): mysql-community-libs-5.6.38-2.el6.x86_64.rpm                                                                                                                                       | 1.9 MB     00:00     
(4/5): mysql-community-server-5.6.38-2.el6.x86_64.rpm                                                                                                                                     |  55 MB     00:05     
(5/5): perl-DBI-1.609-4.el6.x86_64.rpm                                                                                                                                                    | 705 kB     00:00     
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                                                            8.9 MB/s |  76 MB     00:08     
warning: rpmts_HdrFromFdno: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Retrieving key from file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Importing GPG key 0x5072E1F5:
 Userid : MySQL Release Engineering <mysql-build@oss.oracle.com>
 Package: mysql-community-release-el6-5.noarch (installed)
 From   : file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : mysql-community-common-5.6.38-2.el6.x86_64                                                                                                                                                    1/5 
  Installing : mysql-community-libs-5.6.38-2.el6.x86_64                                                                                                                                                      2/5 
  Installing : mysql-community-client-5.6.38-2.el6.x86_64                                                                                                                                                    3/5 
  Installing : perl-DBI-1.609-4.el6.x86_64                                                                                                                                                                   4/5 
  Installing : mysql-community-server-5.6.38-2.el6.x86_64                                                                                                                                                    5/5 
  Verifying  : mysql-community-client-5.6.38-2.el6.x86_64                                                                                                                                                    1/5 
  Verifying  : mysql-community-libs-5.6.38-2.el6.x86_64                                                                                                                                                      2/5 
  Verifying  : mysql-community-common-5.6.38-2.el6.x86_64                                                                                                                                                    3/5 
  Verifying  : mysql-community-server-5.6.38-2.el6.x86_64                                                                                                                                                    4/5 
  Verifying  : perl-DBI-1.609-4.el6.x86_64                                                                                                                                                                   5/5 

Installed:
  mysql-community-server.x86_64 0:5.6.38-2.el6                                                                                                                                                                   

Dependency Installed:
  mysql-community-client.x86_64 0:5.6.38-2.el6            mysql-community-common.x86_64 0:5.6.38-2.el6            mysql-community-libs.x86_64 0:5.6.38-2.el6            perl-DBI.x86_64 0:1.609-4.el6           

Complete!


設置爲開機啓動(二、三、4都是on表明開機自動啓動)
# chkconfig --list | grep mysqld服務器

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# chkconfig --list | grep mysqld
mysqld         	0:off	1:off	2:off	3:on	4:on	5:on	6:off


# chkconfig mysqld onoracle

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# chkconfig mysqld on

3、設置遠程root


啓動mysql
# service mysqld startapp

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# service mysqld start
Initializing MySQL database:  2017-11-04 15:00:04 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2017-11-04 15:00:04 0 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap.
2017-11-04 15:00:04 0 [Note] /usr/sbin/mysqld (mysqld 5.6.38) starting as process 2021 ...
2017-11-04 15:00:04 2021 [Note] InnoDB: Using atomics to ref count buffer pool pages
2017-11-04 15:00:04 2021 [Note] InnoDB: The InnoDB memory heap is disabled
2017-11-04 15:00:04 2021 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2017-11-04 15:00:04 2021 [Note] InnoDB: Memory barrier is not used
2017-11-04 15:00:04 2021 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-11-04 15:00:04 2021 [Note] InnoDB: Using Linux native AIO
2017-11-04 15:00:04 2021 [Note] InnoDB: Using CPU crc32 instructions
2017-11-04 15:00:04 2021 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2017-11-04 15:00:04 2021 [Note] InnoDB: Completed initialization of buffer pool
2017-11-04 15:00:04 2021 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!
2017-11-04 15:00:04 2021 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB
2017-11-04 15:00:04 2021 [Note] InnoDB: Database physically writes the file full: wait...
2017-11-04 15:00:04 2021 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB
2017-11-04 15:00:05 2021 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB
2017-11-04 15:00:06 2021 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0
2017-11-04 15:00:06 2021 [Warning] InnoDB: New log files created, LSN=45781
2017-11-04 15:00:06 2021 [Note] InnoDB: Doublewrite buffer not found: creating new
2017-11-04 15:00:06 2021 [Note] InnoDB: Doublewrite buffer created
2017-11-04 15:00:06 2021 [Note] InnoDB: 128 rollback segment(s) are active.
2017-11-04 15:00:06 2021 [Warning] InnoDB: Creating foreign key constraint system tables.
2017-11-04 15:00:06 2021 [Note] InnoDB: Foreign key constraint system tables created
2017-11-04 15:00:06 2021 [Note] InnoDB: Creating tablespace and datafile system tables.
2017-11-04 15:00:06 2021 [Note] InnoDB: Tablespace and datafile system tables created.
2017-11-04 15:00:06 2021 [Note] InnoDB: Waiting for purge to start
2017-11-04 15:00:06 2021 [Note] InnoDB: 5.6.38 started; log sequence number 0
2017-11-04 15:00:07 2021 [Note] Binlog end
2017-11-04 15:00:07 2021 [Note] InnoDB: FTS optimize thread exiting.
2017-11-04 15:00:07 2021 [Note] InnoDB: Starting shutdown...
2017-11-04 15:00:08 2021 [Note] InnoDB: Shutdown completed; log sequence number 1625977


2017-11-04 15:00:08 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2017-11-04 15:00:08 0 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap.
2017-11-04 15:00:08 0 [Note] /usr/sbin/mysqld (mysqld 5.6.38) starting as process 2043 ...
2017-11-04 15:00:08 2043 [Note] InnoDB: Using atomics to ref count buffer pool pages
2017-11-04 15:00:08 2043 [Note] InnoDB: The InnoDB memory heap is disabled
2017-11-04 15:00:08 2043 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2017-11-04 15:00:08 2043 [Note] InnoDB: Memory barrier is not used
2017-11-04 15:00:08 2043 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-11-04 15:00:08 2043 [Note] InnoDB: Using Linux native AIO
2017-11-04 15:00:08 2043 [Note] InnoDB: Using CPU crc32 instructions
2017-11-04 15:00:08 2043 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2017-11-04 15:00:08 2043 [Note] InnoDB: Completed initialization of buffer pool
2017-11-04 15:00:08 2043 [Note] InnoDB: Highest supported file format is Barracuda.
2017-11-04 15:00:08 2043 [Note] InnoDB: 128 rollback segment(s) are active.
2017-11-04 15:00:08 2043 [Note] InnoDB: Waiting for purge to start
2017-11-04 15:00:08 2043 [Note] InnoDB: 5.6.38 started; log sequence number 1625977
2017-11-04 15:00:08 2043 [Note] Binlog end
2017-11-04 15:00:08 2043 [Note] InnoDB: FTS optimize thread exiting.
2017-11-04 15:00:08 2043 [Note] InnoDB: Starting shutdown...
2017-11-04 15:00:10 2043 [Note] InnoDB: Shutdown completed; log sequence number 1625987




PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:

  /usr/bin/mysqladmin -u root password 'new-password'
  /usr/bin/mysqladmin -u root -h iZwz9hy7gff0kp0rba9p6vZ password 'new-password'

Alternatively you can run:

  /usr/bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.

See the manual for more instructions.

Please report any problems at http://bugs.mysql.com/

The latest information about MySQL is available on the web at

  http://www.mysql.com

Support MySQL by buying support/licenses at http://shop.mysql.com

Note: new default config file not created.
Please make sure your config file is current

WARNING: Default config file /etc/my.cnf exists on the system
This file will be read by default by the MySQL server
If you do not want to use this, either remove it, or use the
--defaults-file argument to mysqld_safe when starting the server

                                                           [  OK  ]
Starting mysqld:                                           [  OK  ]


設置root密碼
# mysql_secure_installation

安裝完mysql-server 會提示能夠運行mysql_secure_installation。運行mysql_secure_installation會執行幾個設置:
  a)爲root用戶設置密碼
  b)刪除匿名帳號
  c)取消root用戶遠程登陸
  d)刪除test庫和對test庫的訪問權限
  e)刷新受權表使修改生效

經過這幾項的設置可以提升mysql庫的安全。建議生產環境中mysql安裝這完成後必定要運行一次mysql_secure_installation,詳細步驟請參看下面的命令:

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# mysql_secure_installation



NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MySQL to secure it, we'll need the current
password for the root user.  If you've just installed MySQL, and
you haven't set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):          ##<–初次運行直接回車
OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MySQL
root user without the proper authorisation.

Set root password? [Y/n] y                                 ##<– 是否設置root用戶密碼,輸入y並回車或直接回車
New password:                                              ##<– 設置root用戶的密碼
Re-enter new password:                                     ##<– 再輸入一次你設置的密碼
Password updated successfully!
Reloading privilege tables..
 ... Success!


By default, a MySQL installation has an anonymous user, allowing anyone
to log into MySQL without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] y                            ##<– 是否刪除匿名用戶,生產環境建議刪除,因此直接回車
 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] n                      ##<–是否禁止root遠程登陸,根據本身的需求選擇Y/n並回車,建議禁止
 ... skipping.

By default, MySQL comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] n             ##<– 是否刪除test數據庫,直接回車
 ... skipping.

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n]                         ##<– 是否從新加載權限表,直接回車
 ... Success!




All done!  If you've completed all of the above steps, your MySQL
installation should now be secure.

Thanks for using MySQL!


Cleaning up...


登錄root帳號
# mysql -uroot -p 

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# mysql -uroot -p
Enter password:                                              ##輸入上一步設定的密碼
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 23
Server version: 5.6.38 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

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>


創建遠程root用戶
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '你設置的密碼' WITH GRANT OPTION;

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Lv216816' WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)


mysql> flush privileges;
 

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

經過以上步驟就完成了在CentOS上安裝Mysql,本人是使用阿里雲的服務器上安裝的,若是還想經過外部訪問,還必須在阿里雲上開通3306的端口才能夠。若是是本身設備必須在防火牆上配置上3306端口的訪問才能夠。

 

4、Mysql 啓動關閉

啓動:# service mysqld start

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# service mysqld start
Starting mysqld:                                           [  OK  ]

關閉:# service mysqld stop

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# service mysqld stop
Stopping mysqld:                                           [  OK  ]

查看進程:ps -ef | grep mysqld

若是有mysqld_safe和mysqld兩個進程,說明MySQL服務當前在啓動狀態;

[root@iZwz9hy7gff0kp0rba9p6vZ ~]# ps -ef | grep mysqld
root      2604     1  0 22:45 pts/0    00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
mysql     2808  2604  0 22:45 pts/0    00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
root      2839  1846  0 22:50 pts/0    00:00:00 grep mysqld
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