1. 前往 MySQL 官網 下載 Bundle tar 包
2. 解壓 tar 包，得到以下文件
-rw-r--r--. 1 7155 31415 47810444 4月 26 15:36 mysql-community-client-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 193616 4月 26 15:36 mysql-community-client-plugins-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 628904 4月 26 15:36 mysql-community-common-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 6800820 4月 26 15:36 mysql-community-devel-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 23586756 4月 26 15:37 mysql-community-embedded-compat-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 4240320 4月 26 15:37 mysql-community-libs-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 1262876 4月 26 15:37 mysql-community-libs-compat-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 448614076 4月 26 15:38 mysql-community-server-8.0.25-1.el7.x86_64.rpm
-rw-r--r--. 1 7155 31415 260841936 4月 26 15:40 mysql-community-test-8.0.25-1.el7.x86_64.rpm
3. 卸載系統自帶的 MariaDB
rpm -qa | grep mariadb
rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64
4. 按照以下順序安裝 MySQL8
1. rpm -ivh mysql-community-common-8.0.25-1.el7.x86_64.rpm
2. rpm -ivh mysql-community-client-plugins-8.0.25-1.el7.x86_64.rpm
3. rpm -ivh mysql-community-libs-8.0.25-1.el7.x86_64.rpm
4. rpm -ivh mysql-community-client-8.0.25-1.el7.x86_64.rpm
5. rpm -ivh mysql-community-server-8.0.25-1.el7.x86_64.rpm
6. rpm -ivh mysql-community-devel-8.0.25-1.el7.x86_64.rpm
# 安裝 mysql-community-server-8.0.25-1.el7.x86_64.rpm 依賴報錯
[root@sangni mysql-installation]# rpm -ivh mysql-community-server-8.0.25-1.el7.x86_64.rpm
警告：mysql-community-server-8.0.25-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY
錯誤：依賴檢測失敗：
net-tools 被 mysql-community-server-8.0.25-1.el7.x86_64 需要
# 安裝 net-tools
[root@sangni mysql-installation]# yum install net-tools
已加載插件：fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.njupt.edu.cn
* extras: mirrors.njupt.edu.cn
* updates: mirrors.njupt.edu.cn
正在解決依賴關系
--> 正在檢查事務
---> 軟件包 net-tools.x86_64.0.2.0-0.25.20131004git.el7 將被 安裝
--> 解決依賴關系完成
依賴關系解決
==================================================================================================================================
Package 架構 版本 源 大小
==================================================================================================================================
正在安裝:
net-tools x86_64 2.0-0.25.20131004git.el7 base 306 k
事務概要
==================================================================================================================================
安裝 1 軟件包
總下載量：306 k
安裝大小：917 k
Is this ok [y/d/N]: y
Downloading packages:
net-tools-2.0-0.25.20131004git.el7.x86_64.rpm | 306 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
警告：RPM 數據庫已被非 yum 程序修改。
** 發現 2 個已存在的 RPM 數據庫問題， 'yum check' 輸出如下：
2:postfix-2.10.1-9.el7.x86_64 有缺少的需求 libmysqlclient.so.18()(64bit)
2:postfix-2.10.1-9.el7.x86_64 有缺少的需求 libmysqlclient.so.18(libmysqlclient_18)(64bit)
正在安裝 : net-tools-2.0-0.25.20131004git.el7.x86_64 1/1
驗證中 : net-tools-2.0-0.25.20131004git.el7.x86_64 1/1
已安裝:
net-tools.x86_64 0:2.0-0.25.20131004git.el7
完畢！
# net-tools 安裝完成后再次安裝 mysql-community-server-8.0.25-1.el7.x86_64.rpm
[root@sangni mysql-installation]# rpm -ivh mysql-community-server-8.0.25-1.el7.x86_64.rpm
警告：mysql-community-server-8.0.25-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY
准備中... ################################# [100%]
正在升級/安裝...
1:mysql-community-server-8.0.25-1.e################################# [100%]
# 安裝 mysql-community-devel-8.0.25-1.el7.x86_64.rpm 依賴報錯
[root@sangni mysql-installation]# rpm -ivh mysql-community-devel-8.0.25-1.el7.x86_64.rpm
警告：mysql-community-devel-8.0.25-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY
錯誤：依賴檢測失敗：
pkgconfig(openssl) 被 mysql-community-devel-8.0.25-1.el7.x86_64 需要
# 安裝 openssl-devel
[root@sangni mysql-installation]# yum install openssl-devel
已加載插件：fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.njupt.edu.cn
* extras: mirrors.njupt.edu.cn
* updates: mirrors.njupt.edu.cn
正在解決依賴關系
--> 正在檢查事務
---> 軟件包 openssl-devel.x86_64.1.1.0.2k-21.el7_9 將被 安裝
--> 正在處理依賴關系 zlib-devel(x86-64)，它被軟件包 1:openssl-devel-1.0.2k-21.el7_9.x86_64 需要
--> 正在處理依賴關系 krb5-devel(x86-64)，它被軟件包 1:openssl-devel-1.0.2k-21.el7_9.x86_64 需要
--> 正在檢查事務
---> 軟件包 krb5-devel.x86_64.0.1.15.1-50.el7 將被 安裝
--> 正在處理依賴關系 libkadm5(x86-64) = 1.15.1-50.el7，它被軟件包 krb5-devel-1.15.1-50.el7.x86_64 需要
--> 正在處理依賴關系 libverto-devel，它被軟件包 krb5-devel-1.15.1-50.el7.x86_64 需要
--> 正在處理依賴關系 libselinux-devel，它被軟件包 krb5-devel-1.15.1-50.el7.x86_64 需要
--> 正在處理依賴關系 libcom_err-devel，它被軟件包 krb5-devel-1.15.1-50.el7.x86_64 需要
--> 正在處理依賴關系 keyutils-libs-devel，它被軟件包 krb5-devel-1.15.1-50.el7.x86_64 需要
---> 軟件包 zlib-devel.x86_64.0.1.2.7-19.el7_9 將被 安裝
--> 正在檢查事務
---> 軟件包 keyutils-libs-devel.x86_64.0.1.5.8-3.el7 將被 安裝
---> 軟件包 libcom_err-devel.x86_64.0.1.42.9-19.el7 將被 安裝
---> 軟件包 libkadm5.x86_64.0.1.15.1-50.el7 將被 安裝
---> 軟件包 libselinux-devel.x86_64.0.2.5-15.el7 將被 安裝
--> 正在處理依賴關系 libsepol-devel(x86-64) >= 2.5-10，它被軟件包 libselinux-devel-2.5-15.el7.x86_64 需要
--> 正在處理依賴關系 pkgconfig(libsepol)，它被軟件包 libselinux-devel-2.5-15.el7.x86_64 需要
--> 正在處理依賴關系 pkgconfig(libpcre)，它被軟件包 libselinux-devel-2.5-15.el7.x86_64 需要
---> 軟件包 libverto-devel.x86_64.0.0.2.5-4.el7 將被 安裝
--> 正在檢查事務
---> 軟件包 libsepol-devel.x86_64.0.2.5-10.el7 將被 安裝
---> 軟件包 pcre-devel.x86_64.0.8.32-17.el7 將被 安裝
--> 解決依賴關系完成
依賴關系解決
==================================================================================================================================
Package 架構 版本 源 大小
==================================================================================================================================
正在安裝:
openssl-devel x86_64 1:1.0.2k-21.el7_9 updates 1.5 M
為依賴而安裝:
keyutils-libs-devel x86_64 1.5.8-3.el7 base 37 k
krb5-devel x86_64 1.15.1-50.el7 base 273 k
libcom_err-devel x86_64 1.42.9-19.el7 base 32 k
libkadm5 x86_64 1.15.1-50.el7 base 179 k
libselinux-devel x86_64 2.5-15.el7 base 187 k
libsepol-devel x86_64 2.5-10.el7 base 77 k
libverto-devel x86_64 0.2.5-4.el7 base 12 k
pcre-devel x86_64 8.32-17.el7 base 480 k
zlib-devel x86_64 1.2.7-19.el7_9 updates 50 k
事務概要
==================================================================================================================================
安裝 1 軟件包 (+9 依賴軟件包)
總下載量：2.8 M
安裝大小：6.0 M
Is this ok [y/d/N]: Is this ok [y/d/N]: y
Downloading packages:
(1/10): libcom_err-devel-1.42.9-19.el7.x86_64.rpm | 32 kB 00:00:00
(2/10): keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm | 37 kB 00:00:00
(3/10): krb5-devel-1.15.1-50.el7.x86_64.rpm | 273 kB 00:00:00
(4/10): libkadm5-1.15.1-50.el7.x86_64.rpm | 179 kB 00:00:00
(5/10): libselinux-devel-2.5-15.el7.x86_64.rpm | 187 kB 00:00:00
(6/10): libverto-devel-0.2.5-4.el7.x86_64.rpm | 12 kB 00:00:00
(7/10): libsepol-devel-2.5-10.el7.x86_64.rpm | 77 kB 00:00:00
(8/10): zlib-devel-1.2.7-19.el7_9.x86_64.rpm | 50 kB 00:00:00
(9/10): openssl-devel-1.0.2k-21.el7_9.x86_64.rpm | 1.5 MB 00:00:00
(10/10): pcre-devel-8.32-17.el7.x86_64.rpm | 480 kB 00:00:00
----------------------------------------------------------------------------------------------------------------------------------
總計 2.0 MB/s | 2.8 MB 00:00:01
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在安裝 : libkadm5-1.15.1-50.el7.x86_64 1/10
正在安裝 : libsepol-devel-2.5-10.el7.x86_64 2/10
正在安裝 : libcom_err-devel-1.42.9-19.el7.x86_64 3/10
正在安裝 : zlib-devel-1.2.7-19.el7_9.x86_64 4/10
正在安裝 : pcre-devel-8.32-17.el7.x86_64 5/10
正在安裝 : libselinux-devel-2.5-15.el7.x86_64 6/10
正在安裝 : keyutils-libs-devel-1.5.8-3.el7.x86_64 7/10
正在安裝 : libverto-devel-0.2.5-4.el7.x86_64 8/10
正在安裝 : krb5-devel-1.15.1-50.el7.x86_64 9/10
正在安裝 : 1:openssl-devel-1.0.2k-21.el7_9.x86_64 10/10
驗證中 : libselinux-devel-2.5-15.el7.x86_64 1/10
驗證中 : 1:openssl-devel-1.0.2k-21.el7_9.x86_64 2/10
驗證中 : libverto-devel-0.2.5-4.el7.x86_64 3/10
驗證中 : krb5-devel-1.15.1-50.el7.x86_64 4/10
驗證中 : keyutils-libs-devel-1.5.8-3.el7.x86_64 5/10
驗證中 : pcre-devel-8.32-17.el7.x86_64 6/10
驗證中 : zlib-devel-1.2.7-19.el7_9.x86_64 7/10
驗證中 : libcom_err-devel-1.42.9-19.el7.x86_64 8/10
驗證中 : libsepol-devel-2.5-10.el7.x86_64 9/10
驗證中 : libkadm5-1.15.1-50.el7.x86_64 10/10
已安裝:
openssl-devel.x86_64 1:1.0.2k-21.el7_9
作為依賴被安裝:
keyutils-libs-devel.x86_64 0:1.5.8-3.el7 krb5-devel.x86_64 0:1.15.1-50.el7 libcom_err-devel.x86_64 0:1.42.9-19.el7
libkadm5.x86_64 0:1.15.1-50.el7 libselinux-devel.x86_64 0:2.5-15.el7 libsepol-devel.x86_64 0:2.5-10.el7
libverto-devel.x86_64 0:0.2.5-4.el7 pcre-devel.x86_64 0:8.32-17.el7 zlib-devel.x86_64 0:1.2.7-19.el7_9
完畢！
# 再次安裝 mysql-community-devel-8.0.25-1.el7.x86_64.rpm
[root@sangni mysql-installation]# rpm -ivh mysql-community-devel-8.0.25-1.el7.x86_64.rpm
警告：mysql-community-devel-8.0.25-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY
准備中... ################################# [100%]
正在升級/安裝...
1:mysql-community-devel-8.0.25-1.el################################# [100%]
5. 啟動 MySQL 服務
# 啟動 MySQL 服務
[root@sangni mysql-installation]# service mysqld start
Redirecting to /bin/systemctl start mysqld.service
# 查看啟動狀態
[root@sangni mysql-installation]# service status mysqld
The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, please try to use systemctl.
[root@sangni mysql-installation]# 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 一 2021-06-14 13:50:41 CST; 29s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 7989 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 8070 (mysqld)
Status: "Server is operational"
CGroup: /system.slice/mysqld.service
└─8070 /usr/sbin/mysqld
6月 14 13:50:31 sangni systemd[1]: Starting MySQL Server...
6月 14 13:50:41 sangni systemd[1]: Started MySQL Server.
6. 修改默認密碼開啟遠程連接
# 查看默認密碼
[root@sangni ~]# grep 'temporary password' /var/log/mysqld.log
2021-06-14T05:50:35.796216Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: wfz2/(r6oiwM
# 使用默認密碼登陸 MySQL
[root@sangni log]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.25
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.
# 沒有修改默認密碼無法執行任何操作，會報錯提示需要修改密碼
mysql> select version();
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
# 修改 root 用戶密碼
mysql> alter user 'root'@'localhost' identified by 'xxxx';
Query OK, 0 rows affected (0.01 sec)
# 查看 MySQL 版本
mysql> select version();
+-----------+
| version() |
+-----------+
| 8.0.25 |
+-----------+
1 row in set (0.00 sec)
# 使用 MySQL Schema/Database
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
# 修改 root 用戶的 host 列值，開啟遠程連接
mysql> update user set host='%' where user ='root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 0
# 刷新緩存
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.01 sec)
# 給 root 用戶授予所有權限
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION;
Query OK, 0 rows affected (0.01 sec)
7. 搞定收工，飲茶先啦！
