下载离线版本mysql。
mysql-5.7.33-1.el7.x86_64.rpm-bundle.tar
解压
26468960 Dec 11 2020 mysql-community-client-5.7.33-1.el7.x86_64.rpm315280 Dec 11 2020 mysql-community-common-5.7.33-1.el7.x86_64.rpm3918736 Dec 11 2020 mysql-community-devel-5.7.33-1.el7.x86_64.rpm47513604 Dec 11 2020 mysql-community-embedded-5.7.33-1.el7.x86_64.rpm23261952 Dec 11 2020 mysql-community-embedded-compat-5.7.33-1.el7.x86_64.rpm
131045776 Dec 11 2020 mysql-community-embedded-devel-5.7.33-1.el7.x86_64.rpm2458780 Dec 11 2020 mysql-community-libs-5.7.33-1.el7.x86_64.rpm1260364 Dec 11 2020 mysql-community-libs-compat-5.7.33-1.el7.x86_64.rpm
181817592 Dec 11 2020 mysql-community-server-5.7.33-1.el7.x86_64.rpm
125021984 Dec 11 2020 mysql-community-test-5.7.33-1.el7.x86_64.rpm
安装
# sudo rpm -ivh mysql-com*.rpm
warning: mysql-community-client-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:mariadb-libs is obsoleted by mysql-community-libs-5.7.33-1.el7.x86_64mariadb-libs is obsoleted by mysql-community-libs-compat-5.7.33-1.el7.x86_64perl(JSON) is needed by mysql-community-test-5.7.33-1.el7.x86_64因为mysql的server端须要perl语言的支持，所以咱们还须要在系统中安装perl支持：
安装依赖perl
# sudo yum install perl -y
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile* base: mirrors.aliyun.com* extras: mirrors.aliyun.com* updates: mirrors.aliyun.com
base | 3.6 kB 00:00:00
docker-ce-stable | 3.5 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
Resolving Dependencies
--> Running transaction check
---> Package perl.x86_64 4:5.16.3-297.el7 will be updated
---> Package perl.x86_64 4:5.16.3-299.el7_9 will be an update
--> Processing Dependency: perl-libs = 4:5.16.3-299.el7_9 for package: 4:perl-5.16.3-299.el7_9.x86_64
--> Running transaction check
---> Package perl-libs.x86_64 4:5.16.3-297.el7 will be updated
---> Package perl-libs.x86_64 4:5.16.3-299.el7_9 will be an update
--> Finished Dependency ResolutionDependencies Resolved==================================================================================================================================================================Package Arch Version Repository Size
==================================================================================================================================================================
Updating:perl x86_64 4:5.16.3-299.el7_9 updates 8.0 M
Updating for dependencies:perl-libs x86_64 4:5.16.3-299.el7_9 updates 690 kTransaction Summary
==================================================================================================================================================================
Upgrade 1 Package (+1 Dependent package)Total download size: 8.6 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
(1/2): perl-libs-5.16.3-299.el7_9.x86_64.rpm | 690 kB 00:00:02
(2/2): perl-5.16.3-299.el7_9.x86_64.rpm | 8.0 MB 00:00:21
------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 416 kB/s | 8.6 MB 00:00:21
Running transaction check
Running transaction test
Transaction test succeeded
Running transactionUpdating : 4:perl-libs-5.16.3-299.el7_9.x86_64 1/4 Updating : 4:perl-5.16.3-299.el7_9.x86_64 2/4 Cleanup : 4:perl-libs-5.16.3-297.el7.x86_64 3/4 Cleanup : 4:perl-5.16.3-297.el7.x86_64 4/4 Verifying : 4:perl-5.16.3-299.el7_9.x86_64 1/4 Verifying : 4:perl-libs-5.16.3-299.el7_9.x86_64 2/4 Verifying : 4:perl-5.16.3-297.el7.x86_64 3/4 Verifying : 4:perl-libs-5.16.3-297.el7.x86_64 4/4 Updated:perl.x86_64 4:5.16.3-299.el7_9 Dependency Updated:perl-libs.x86_64 4:5.16.3-299.el7_9 Complete!一条条安装
# sudo rpm -ivh mysql-community-common-5.7.33-1.el7.x86_64.rpm
warning: mysql-community-common-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]file /usr/share/mysql/czech/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/danish/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/dutch/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/english/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/estonian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/french/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/german/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/greek/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/hungarian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/italian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/japanese/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/korean/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/norwegian-ny/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/norwegian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/polish/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/portuguese/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/romanian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/russian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/serbian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/slovak/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/spanish/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/swedish/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/ukrainian/errmsg.sys from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/Index.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/armscii8.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/ascii.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp1250.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp1251.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp1256.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp1257.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp850.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp852.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/cp866.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/dec8.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/geostd8.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/greek.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/hebrew.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/hp8.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/keybcs2.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/koi8r.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/koi8u.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/latin1.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/latin2.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/latin5.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/latin7.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/macce.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/macroman.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64file /usr/share/mysql/charsets/swe7.xml from install of mysql-community-common-5.7.33-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64这是跟mariadb-libs 冲突了，如果确定没有使用mariadb-libs，yum remove 卸载掉。
安装冲突，解决冲突
# yum info mariadb*
Loaded plugins: fastestmirror
Skipping unreadable repository '/etc/yum.repos.d/Centos-7.repo'
Determining fastest mirrors
docker-ce-stable | 3.5 kB 00:00:00
(1/2): docker-ce-stable/7/x86_64/updateinfo | 55 B 00:00:00
(2/2): docker-ce-stable/7/x86_64/primary_db | 152 kB 00:00:00
Installed Packages
Name : mariadb-libs
Arch : x86_64
Epoch : 1
Version : 5.5.68
Release : 1.el7
Size : 4.4 M
Repo : installed
From repo : anaconda
Summary : The shared libraries required for MariaDB/MySQL clients
URL : http://mariadb.org
License : GPLv2 with exceptions and LGPLv2 and BSD
Description : The mariadb-libs package provides the essential shared libraries for any: MariaDB/MySQL client program or interface. You will need to install this: package to use any other MariaDB package or any clients that need to connect: to a MariaDB/MySQL server. MariaDB is a community developed branch of MySQL.卸载冲突插件
# sudo yum -y remove mariadb-libs
Loaded plugins: fastestmirror
Resolving Dependencies
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.68-1.el7 will be erased
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:net-snmp-agent-libs-5.7.2-49.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-9.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:net-snmp-5.7.2-49.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 1:net-snmp-agent-libs-5.7.2-49.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-9.el7.x86_64
--> Processing Dependency: mysql-libs for package: 1:net-snmp-5.7.2-49.el7.x86_64
--> Running transaction check
---> Package net-snmp.x86_64 1:5.7.2-49.el7 will be erased
---> Package net-snmp-agent-libs.x86_64 1:5.7.2-49.el7 will be erased
---> Package postfix.x86_64 2:2.10.1-9.el7 will be erased
--> Finished Dependency ResolutionDependencies Resolved==========================================================================================================================================================================================Package Arch Version Repository Size
==========================================================================================================================================================================================
Removing:mariadb-libs x86_64 1:5.5.68-1.el7 @anaconda 4.4 M
Removing for dependencies:net-snmp x86_64 1:5.7.2-49.el7 @loc-cdrom 850 knet-snmp-agent-libs x86_64 1:5.7.2-49.el7 @loc-cdrom 2.1 Mpostfix x86_64 2:2.10.1-9.el7 @anaconda 12 MTransaction Summary
==========================================================================================================================================================================================
Remove 1 Package (+3 Dependent packages)Installed size: 20 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transactionErasing : 1:net-snmp-5.7.2-49.el7.x86_64 1/4
warning: /etc/sysconfig/snmpd saved as /etc/sysconfig/snmpd.rpmsave
warning: /etc/snmp/snmpd.conf saved as /etc/snmp/snmpd.conf.rpmsaveErasing : 1:net-snmp-agent-libs-5.7.2-49.el7.x86_64 2/4 Erasing : 2:postfix-2.10.1-9.el7.x86_64 3/4 Erasing : 1:mariadb-libs-5.5.68-1.el7.x86_64 4/4 Verifying : 1:net-snmp-5.7.2-49.el7.x86_64 1/4 Verifying : 1:net-snmp-agent-libs-5.7.2-49.el7.x86_64 2/4 Verifying : 1:mariadb-libs-5.5.68-1.el7.x86_64 3/4 Verifying : 2:postfix-2.10.1-9.el7.x86_64 4/4 Removed:mariadb-libs.x86_64 1:5.5.68-1.el7 Dependency Removed:net-snmp.x86_64 1:5.7.2-49.el7 net-snmp-agent-libs.x86_64 1:5.7.2-49.el7 postfix.x86_64 2:2.10.1-9.el7 Complete!重新rpm -ivh xx.rpm
# sudo rpm -ivh mysql-community-common-5.7.33-1.el7.x86_64.rpm
warning: mysql-community-common-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Updating / installing...1:mysql-community-common-5.7.33-1.e################################# [100%]# sudo rpm -ivh mysql-community-libs-
mysql-community-libs-5.7.33-1.el7.x86_64.rpm
mysql-community-libs-compat-5.7.33-1.el7.x86_64.rpm# sudo rpm -ivh mysql-community-libs-5.7.33-1.el7.x86_64.rpm
warning: mysql-community-libs-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Updating / installing...1:mysql-community-libs-5.7.33-1.el7################################# [100%]# sudo rpm -ivh mysql-community-client-5.7.33-1.el7.x86_64.rpm
warning: mysql-community-client-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Updating / installing...1:mysql-community-client-5.7.33-1.e################################# [100%]# sudo rpm -ivh mysql-community-server-5.7.33-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.33-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Updating / installing...1:mysql-community-server-5.7.33-1.e################################# [100%]启动与检查
# systemctl start mysqld
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Authentication is required to manage system services or units.
Authenticating as: root
Password:
==== AUTHENTICATION COMPLETE ===# systemctl status mysqld
● mysqld.service - MySQL ServerLoaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)Active: active (running) since Thu 2024-07-04 14:12:38 CST; 3s agoDocs: man:mysqld(8)http://dev.mysql.com/doc/refman/en/using-systemd.htmlProcess: 28604 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)Process: 28371 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)Main PID: 28607 (mysqld)Tasks: 27Memory: 297.6MCGroup: /system.slice/mysqld.service└─28607 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid查找初始密码
# sudo grep 'temporary' /var/log/mysqld.log
2024-07-04T06:12:30.791185Z 1 [Note] A temporary password is generated for root@localhost: WOoB<rtXW5qo
2024-07-04T06:12:37.291448Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables登陆mysql
# mysql -uroot -p'WOoB<rtXW5qo'
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.33Copyright (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> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
mysql> 修改root密码，
mysql> set password = password('xxx');
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> set password = password('xxxxxxxxxxx');
Query OK, 0 rows affected, 1 warning (0.00 sec)mysql> exit
Bye并设置可远程访问
mysql> grant all privileges on *.* to root@'%' identified by 'ddddddd' with grant option;
Query OK, 0 rows affected, 1 warning (0.01 sec)mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)检查mysql.user
mysql> select user,host,authentication_string from mysql.user;
+---------------+-----------+-------------------------------------------+
| user | host | authentication_string |
+---------------+-----------+-------------------------------------------+
| root | localhost | *B695B6F7FED8C46D8F21663E20B4E0BA549BCEEA |
| mysql.session | localhost | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE |
| mysql.sys | localhost | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE |
| root | % | *B695B6F7FED8C46D8F21663E20B4E0BA549BCEEA |
+---------------+-----------+-------------------------------------------+
4 rows in set (0.01 sec)
安装完mysql后，修改data目录
my.cnf默认文件位置
# ll /etc/my.cnf
-rw-r--r-- 1 root root 960 Dec 10 2020 /etc/my.cnfdata默认文件位置
# ll /var/lib/mysql
total 122952
-rw-r----- 1 mysql mysql 56 Jul 4 14:12 auto.cnf
-rw------- 1 mysql mysql 1676 Jul 4 14:12 ca-key.pem
-rw-r--r-- 1 mysql mysql 1112 Jul 4 14:12 ca.pem
-rw-r--r-- 1 mysql mysql 1112 Jul 4 14:12 client-cert.pem
-rw------- 1 mysql mysql 1680 Jul 4 14:12 client-key.pem
-rw-r----- 1 mysql mysql 436 Jul 4 14:12 ib_buffer_pool
-rw-r----- 1 mysql mysql 12582912 Jul 4 14:12 ibdata1
-rw-r----- 1 mysql mysql 50331648 Jul 4 14:12 ib_logfile0
-rw-r----- 1 mysql mysql 50331648 Jul 4 14:12 ib_logfile1
-rw-r----- 1 mysql mysql 12582912 Jul 4 14:12 ibtmp1
drwxr-x--- 2 mysql mysql 4096 Jul 4 14:12 mysql
srwxrwxrwx 1 mysql mysql 0 Jul 4 14:12 mysql.sock
-rw------- 1 mysql mysql 6 Jul 4 14:12 mysql.sock.lock
drwxr-x--- 2 mysql mysql 8192 Jul 4 14:12 performance_schema
-rw------- 1 mysql mysql 1676 Jul 4 14:12 private_key.pem
-rw-r--r-- 1 mysql mysql 452 Jul 4 14:12 public_key.pem
-rw-r--r-- 1 mysql mysql 1112 Jul 4 14:12 server-cert.pem
-rw------- 1 mysql mysql 1680 Jul 4 14:12 server-key.pem
drwxr-x--- 2 mysql mysql 8192 Jul 4 14:12 sys停止mysql
# systemctl stop mysqld# systemctl status mysqld
● mysqld.service - MySQL ServerLoaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)Active: inactive (dead) since Thu 2024-07-04 15:23:36 CST; 4s agoDocs: man:mysqld(8)http://dev.mysql.com/doc/refman/en/using-systemd.htmlProcess: 28604 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)Process: 28371 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)Main PID: 28607 (code=exited, status=0/SUCCESS)Jul 04 14:12:17 host-10-15-32-71 systemd[1]: Starting MySQL Server...
Jul 04 14:12:38 host-10-15-32-71 systemd[1]: Started MySQL Server.
Jul 04 15:23:34 host-10-15-32-71 systemd[1]: Stopping MySQL Server...
Jul 04 15:23:36 host-10-15-32-71 systemd[1]: Stopped MySQL Server.复制原数据到新目录
# cp -R /var/lib/mysql /data/datamysql/修改my.cnf,指定新目录
datadir=/data/datamysql/mysql启动mysql
# systemctl status mysqld
● mysqld.service - MySQL ServerLoaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)Active: active (running) since Thu 2024-07-04 15:32:35 CST; 13min agoDocs: man:mysqld(8)http://dev.mysql.com/doc/refman/en/using-systemd.htmlProcess: 27299 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)Process: 27275 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)Main PID: 27301 (mysqld)Tasks: 28Memory: 193.9MCGroup: /system.slice/mysqld.service└─27301 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid
