[root@VM_0_16_centos ~]# rpm -qa | grep mysql
[root@VM_0_16_centos ~]# rpm -qa|grep mysql*
[root@VM_0_16_centos ~]# rpm -qa|grep -i mysql
[root@VM_0_16_centos ~]# sudo wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
--2020-06-03 19:54:23-- https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
Resolving repo.mysql.com (repo.mysql.com)... 23.36.53.20
Connecting to repo.mysql.com (repo.mysql.com)|23.36.53.20|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 25820 (25K) [application/x-redhat-package-manager]
Saving to: ‘mysql80-community-release-el7-1.noarch.rpm’
100%[=================================================================>] 25,820 --.-K/s in 0s
2020-06-03 19:54:24 (486 MB/s) - ‘mysql80-community-release-el7-1.noarch.rpm’ saved [25820/25820]
[root@VM_0_16_centos ~]# sudo rpm -ivh mysql80-community-release-el7-1.noarch.rpm
warning: mysql80-community-release-el7-1.noarch.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Updating / installing...
1:mysql80-community-release-el7-1 ################################# [100%]
[root@VM_0_16_centos ~]# sudo yum install mysql-server
Loaded plugins: fastestmirror, langpacks
Determining fastest mirrors
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
mysql-connectors-community | 2.5 kB 00:00:00
mysql-tools-community | 2.5 kB 00:00:00
mysql80-community | 2.5 kB 00:00:00
os | 3.6 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/3): mysql-connectors-community/x86_64/primary_db | 57 kB 00:00:01
(2/3): mysql80-community/x86_64/primary_db | 107 kB 00:00:03
(3/3): mysql-tools-community/x86_64/primary_db | 72 kB 00:00:04
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.x86_64 0:8.0.20-1.el7 will be installed
--> Processing Dependency: mysql-community-common(x86-64) = 8.0.20-1.el7 for package: mysql-community-server-8.0.20-1.el7.x86_64
--> Processing Dependency: mysql-community-client(x86-64) >= 8.0.11 for package: mysql-community-server-8.0.20-1.el7.x86_64
--> Processing Dependency: libnuma.so.1(libnuma_1.2)(64bit) for package: mysql-community-server-8.0.20-1.el7.x86_64
--> Processing Dependency: libnuma.so.1(libnuma_1.1)(64bit) for package: mysql-community-server-8.0.20-1.el7.x86_64
--> Processing Dependency: libnuma.so.1()(64bit) for package: mysql-community-server-8.0.20-1.el7.x86_64
--> Running transaction check
---> Package mysql-community-client.x86_64 0:8.0.20-1.el7 will be installed
--> Processing Dependency: mysql-community-libs(x86-64) >= 8.0.11 for package: mysql-community-client-8.0.20-1.el7.x86_64
---> Package mysql-community-common.x86_64 0:8.0.20-1.el7 will be installed
---> Package numactl-libs.x86_64 0:2.0.12-5.el7 will be installed
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.56-2.el7 will be obsoleted
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
---> Package mysql-community-libs.x86_64 0:8.0.20-1.el7 will be obsoleting
--> Running transaction check
---> Package mysql-community-libs-compat.x86_64 0:8.0.20-1.el7 will be obsoleting
---> Package postfix.x86_64 2:2.10.1-6.el7 will be updated
---> Package postfix.x86_64 2:2.10.1-9.el7 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
===========================================================================================================
Package Arch Version Repository Size
===========================================================================================================
Installing:
mysql-community-libs x86_64 8.0.20-1.el7 mysql80-community 4.5 M
replacing mariadb-libs.x86_64 1:5.5.56-2.el7
mysql-community-libs-compat x86_64 8.0.20-1.el7 mysql80-community 1.2 M
replacing mariadb-libs.x86_64 1:5.5.56-2.el7
mysql-community-server x86_64 8.0.20-1.el7 mysql80-community 488 M
Installing for dependencies:
mysql-community-client x86_64 8.0.20-1.el7 mysql80-community 47 M
mysql-community-common x86_64 8.0.20-1.el7 mysql80-community 609 k
numactl-libs x86_64 2.0.12-5.el7 os 30 k
Updating for dependencies:
postfix x86_64 2:2.10.1-9.el7 os 2.4 M
Transaction Summary
===========================================================================================================
Install 3 Packages (+3 Dependent packages)
Upgrade ( 1 Dependent package)
Total download size: 544 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
warning: /var/cache/yum/x86_64/7/mysql80-community/packages/mysql-community-common-8.0.20-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Public key for mysql-community-common-8.0.20-1.el7.x86_64.rpm is not installed
(1/7): mysql-community-common-8.0.20-1.el7.x86_64.rpm | 609 kB 00:00:06
(2/7): mysql-community-libs-8.0.20-1.el7.x86_64.rpm | 4.5 MB 00:00:13
(3/7): mysql-community-libs-compat-8.0.20-1.el7.x86_64.rpm | 1.2 MB 00:00:04
(4/7): numactl-libs-2.0.12-5.el7.x86_64.rpm | 30 kB 00:00:00
(5/7): postfix-2.10.1-9.el7.x86_64.rpm | 2.4 MB 00:00:00
(6/7): mysql-community-client-8.0.20-1.el7.x86_64.rpm | 47 MB 00:01:01
(7/7): mysql-community-server-8.0.20-1.el7.x86_64.rpm | 488 MB 00:09:03
-----------------------------------------------------------------------------------------------------------
Total 980 kB/s | 544 MB 00:09:28
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>"
Fingerprint: a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5
Package : mysql80-community-release-el7-1.noarch (installed)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
Installing : mysql-community-common-8.0.20-1.el7.x86_64 1/9
Installing : mysql-community-libs-8.0.20-1.el7.x86_64 2/9
Installing : mysql-community-libs-compat-8.0.20-1.el7.x86_64 3/9
Installing : mysql-community-client-8.0.20-1.el7.x86_64 4/9
Installing : numactl-libs-2.0.12-5.el7.x86_64 5/9
Installing : mysql-community-server-8.0.20-1.el7.x86_64 6/9
Updating : 2:postfix-2.10.1-9.el7.x86_64 7/9
Cleanup : 2:postfix-2.10.1-6.el7.x86_64 8/9
Erasing : 1:mariadb-libs-5.5.56-2.el7.x86_64 9/9
Verifying : mysql-community-libs-compat-8.0.20-1.el7.x86_64 1/9
Verifying : mysql-community-common-8.0.20-1.el7.x86_64 2/9
Verifying : 2:postfix-2.10.1-9.el7.x86_64 3/9
Verifying : numactl-libs-2.0.12-5.el7.x86_64 4/9
Verifying : mysql-community-server-8.0.20-1.el7.x86_64 5/9
Verifying : mysql-community-client-8.0.20-1.el7.x86_64 6/9
Verifying : mysql-community-libs-8.0.20-1.el7.x86_64 7/9
Verifying : 1:mariadb-libs-5.5.56-2.el7.x86_64 8/9
Verifying : 2:postfix-2.10.1-6.el7.x86_64 9/9
Installed:
mysql-community-libs.x86_64 0:8.0.20-1.el7 mysql-community-libs-compat.x86_64 0:8.0.20-1.el7
mysql-community-server.x86_64 0:8.0.20-1.el7
Dependency Installed:
mysql-community-client.x86_64 0:8.0.20-1.el7 mysql-community-common.x86_64 0:8.0.20-1.el7
numactl-libs.x86_64 0:2.0.12-5.el7
Dependency Updated:
postfix.x86_64 2:2.10.1-9.el7
Replaced:
mariadb-libs.x86_64 1:5.5.56-2.el7
Complete!
[root@VM_0_16_centos ~]# mysql -v
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
[root@VM_0_16_centos ~]# mysql -V
mysql Ver 8.0.20 for Linux on x86_64 (MySQL Community Server - GPL)
[root@VM_0_16_centos ~]# service mysqld start
Redirecting to /bin/systemctl start mysqld.service
[root@VM_0_16_centos ~]# service mysqld status
Redirecting to /bin/systemctl status mysqld.service
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: active (running) since Wed 2020-06-03 20:16:55 CST; 32s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 16815 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 16904 (mysqld)
Status: "Server is operational"
CGroup: /system.slice/mysqld.service
└─16904 /usr/sbin/mysqld
Jun 03 20:16:45 VM_0_16_centos systemd[1]: Starting MySQL Server...
Jun 03 20:16:55 VM_0_16_centos systemd[1]: Started MySQL Server.
[root@VM_0_16_centos ~]# grep "password" /var/log/mysqld.log
2020-06-03T12:16:50.104352Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: y)W<5voG3sKa
[root@VM_0_16_centos ~]# mysql -u ront -p y)W<5voG3sKa
-bash: syntax error near unexpected token `)'
[root@VM_0_16_centos ~]# mysql -uroot -py)W<5voG3sKa
-bash: syntax error near unexpected token `)'
[root@VM_0_16_centos ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.20
Copyright (c) 2000, 2020, 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> alter user user() identified by '520vaeWT';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> alter user user() identified by '520vae@WT';
Query OK, 0 rows affected (0.01 sec)
mysql> ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
Query OK, 0 rows affected (0.01 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> show database;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database' at line 1
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select user,host from user;
+------------------+-----------+
| user | host |
+------------------+-----------+
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
| root | localhost |
+------------------+-----------+
4 rows in set (0.00 sec)
mysql> update user set host = '%' where user = 'root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)
mysql> select user,host from user;
+------------------+-----------+
| user | host |
+------------------+-----------+
| root | % |
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
+------------------+-----------+
4 rows in set (0.00 sec)
mysql>
MySQL 连接出现 Authentication plugin 'caching_sha2_password' cannot be loaded
alter user 'root'@'%' identified with mysql_native_password by '你的mysql登录密码';
创建子用户
mysql> create user 'vae'@'%' identified with mysql_native_password by '520vae@WT';
Query OK, 0 rows affected (0.01 sec)
mysql> grant all privileges on *.* to 'vae'@'%' with grant option;
Query OK, 0 rows affected (0.02 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
