MySQL包安装 -- Debian系列（离线DEB包安装MySQL）

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Raymond运维 发表于 2025/10/06 20:56:51 2025/10/06
【摘要】 MySQL包安装 -- Debian系列（离线DEB包安装MySQL）

2.2.2.2 离线DEB包安装MySQL

2.2.2.2.1 MySQL 8.0

去“https://www.mysql.com/”网站下载，选择“DOWNLOADS”，如图41所示。

图41 下载MySQL DEB包

选择“MySQL Community (GPL) Downloads”，如图42所示。

图42 下载MySQL DEB包

选择“MySQL Community Server（MySQL社区服务器）”，如图43所示。

图43 下载MySQL DEB包

在“Ubuntu 24.04”上安装MySQL：

"Select Version（选择版本）"为：8.0.43，“Select Operating System（选择操作系统）”为：Ubuntu Linux，"Select OS Version（选择操作系统版本）"为：根据版本选择，“Ubuntu 24.04"选择"Ubuntu Linux 24.04 (x86 , 64-bit)”，然后选择”DEB Bundle“后面的”Download“，如图44所示。

图44 下载MySQL DEB包

root@ubuntu2404:~# wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-server_8.0.43-1ubuntu24.04_amd64.deb-bundle.tar

root@ubuntu2404:~# tar xf mysql-server_8.0.43-1ubuntu24.04_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@ubuntu2404:~# dpkg -i mysql-community-client-plugins_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-client-core_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-common_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-client_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i libmysqlclient21_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i libmysqlclient-dev_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-client_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu24.04_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 87176 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.0.43-1ubuntu24.04_amd64.deb ...
Unpacking mysql-community-server-core (8.0.43-1ubuntu24.04) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2依赖包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.39-0ubuntu8.6) ...
Processing triggers for man-db (2.12.0-4build2) ...
Errors were encountered while processing:
 mysql-community-server-core

root@ubuntu2404:~# apt install -y libmecab2

root@ubuntu2404:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-server_8.0.43-1ubuntu24.04_amd64.deb

输入MySQL root用户密码，然后按下 Enter 键，如图45所示。

图45 输入MySQL root用户密码

在下面提示直接按下 Enter 键，如图46所示。

图46 确认提示信息

选择“Use Strong Password Encryption (RECOMMENDED)”，然后按下 Enter 键，如图47所示。

图47 选择默认身份验证插件

root@ubuntu2404:~# dpkg -i mysql-server_8.0.43-1ubuntu24.04_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.0/en/linux-installation-debian.html”网址看到安装文档：

root@ubuntu2404:~# apt install -y libmecab2

# 预先配置 MySQL 服务器软件包：
root@ubuntu2404:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图45-47界面，按上面的提示设置。

root@ubuntu2404:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@ubuntu2404:~# systemctl enable --now mysql

root@ubuntu2404:~# ls /var/lib/mysql
 auto.cnf        ca.pem               ib_buffer_pool   mysql                server-cert.pem
 binlog.000001   client-cert.pem      ibdata1          mysql.ibd            server-key.pem
 binlog.000002   client-key.pem       ibtmp1           performance_schema   sys
 binlog.index   '#ib_16384_0.dblwr'  '#innodb_redo'    private_key.pem      undo_001
 ca-key.pem     '#ib_16384_1.dblwr'  '#innodb_temp'    public_key.pem       undo_002

root@ubuntu2404:~# mysql -V
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

root@ubuntu2404:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/usr/lib/systemd/system/mysql.service; enabled; preset: enabled)
     Active: active (running) since Wed 2025-10-01 18:25:03 CST; 2min 21s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 1960 (mysqld)
     Status: "Server is operational"
      Tasks: 37 (limit: 2210)
     Memory: 362.7M (peak: 376.8M)
        CPU: 3.042s
     CGroup: /system.slice/mysql.service
             └─1960 /usr/sbin/mysqld

Oct 01 18:25:02 ubuntu2404 systemd[1]: Starting mysql.service - MySQL Community Server...
Oct 01 18:25:03 ubuntu2404 systemd[1]: Started mysql.service - MySQL Community Server.

root@ubuntu2404:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.43 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.0.43 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			2 min 56 sec

Threads: 2  Questions: 5  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.028
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)

mysql> exit
Bye

在“Ubuntu 22.04”上安装MySQL：

"Select Version（选择版本）"为：8.0.43，“Select Operating System（选择操作系统）”为：Ubuntu Linux，"Select OS Version（选择操作系统版本）"为：根据版本选择，“Ubuntu 22.04"选择"Ubuntu Linux 22.04 (x86 , 64-bit)”，然后选择”DEB Bundle“后面的”Download“，如图48所示。

图48 下载MySQL DEB包

root@ubuntu2204:~# wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-server_8.0.43-1ubuntu22.04_amd64.deb-bundle.tar

root@ubuntu2204:~# tar xf mysql-server_8.0.43-1ubuntu22.04_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@ubuntu2204:~# dpkg -i mysql-community-client-plugins_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-client-core_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-common_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-client_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i libmysqlclient21_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i libmysqlclient-dev_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-client_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu22.04_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 74799 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.0.43-1ubuntu22.04_amd64.deb ...
Unpacking mysql-community-server-core (8.0.43-1ubuntu22.04) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2依赖包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.35-0ubuntu3.8) ...
Processing triggers for man-db (2.10.2-1) ...
Errors were encountered while processing:
 mysql-community-server-core

root@ubuntu2204:~# apt install -y libmecab2

root@ubuntu2204:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-server_8.0.43-1ubuntu22.04_amd64.deb
# 出现图45-47界面，按上面的提示设置.

root@ubuntu2204:~# dpkg -i mysql-server_8.0.43-1ubuntu22.04_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.0/en/linux-installation-debian.html”网址看到安装文档：

root@ubuntu2204:~# apt install -y libmecab2

# 预先配置 MySQL 服务器软件包：
root@ubuntu2204:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图45-47界面，按上面的提示设置。

root@ubuntu2204:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@ubuntu2204:~# systemctl enable --now mysql

root@ubuntu2204:~# ls /var/lib/mysql
 auto.cnf        ca.pem               ib_buffer_pool   mysql                server-cert.pem
 binlog.000001   client-cert.pem      ibdata1          mysql.ibd            server-key.pem
 binlog.000002   client-key.pem       ibtmp1           performance_schema   sys
 binlog.index   '#ib_16384_0.dblwr'  '#innodb_redo'    private_key.pem      undo_001
 ca-key.pem     '#ib_16384_1.dblwr'  '#innodb_temp'    public_key.pem       undo_002

root@ubuntu2204:~# mysql -V
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

root@ubuntu2204:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2025-10-02 19:08:40 CST; 2min 17s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 2020 (mysqld)
     Status: "Server is operational"
      Tasks: 37 (limit: 2176)
     Memory: 362.9M
        CPU: 2.309s
     CGroup: /system.slice/mysql.service
             └─2020 /usr/sbin/mysqld

Oct 02 19:08:40 ubuntu2204 systemd[1]: Starting MySQL Community Server...
Oct 02 19:08:40 ubuntu2204 systemd[1]: Started MySQL Community Server.

root@ubuntu2204:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.43 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.0.43 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			2 min 36 sec

Threads: 2  Questions: 5  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.032
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> exit
Bye

在“Ubuntu 20.04”上安装MySQL：

"Select Version（选择版本）"为：8.0.43，“Select Operating System（选择操作系统）”为：Ubuntu Linux，"Select OS Version（选择操作系统版本）"为：根据版本选择，“Ubuntu 20.04"选择"Ubuntu Linux 20.04 (x86 , 64-bit)”，然后选择”DEB Bundle“后面的”Download“，如图49所示。

图49 下载MySQL DEB包

root@ubuntu2004:~# wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-server_8.0.43-1ubuntu20.04_amd64.deb-bundle.tar

root@ubuntu2004:~# tar xf mysql-server_8.0.43-1ubuntu20.04_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@ubuntu2004:~# dpkg -i mysql-community-client-plugins_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-community-client-core_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-common_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-community-client_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i libmysqlclient21_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i libmysqlclient-dev_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-client_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu20.04_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 72420 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.0.43-1ubuntu20.04_amd64.deb ...
Unpacking mysql-community-server-core (8.0.43-1ubuntu20.04) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2包
 mysql-community-server-core depends on libtirpc3 (>= 1.0.2); however:
  Package libtirpc3 is not installed. # 提示，没有安装libtirpc3包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.31-0ubuntu9.9) ...
Processing triggers for man-db (2.9.1-1) ...
Errors were encountered while processing:
 mysql-community-server-core

root@ubuntu2004:~# apt install -y libmecab2 libtirpc3
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 libtirpc3 : Depends: libtirpc-common (>= 1.2.5-1ubuntu0.1) but it is not going to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
# 这里会报错

# 执行下面命令安装
root@ubuntu2004:~# apt --fix-broken install

root@ubuntu2004:~# dpkg -i mysql-community-server-core_8.0.43-1ubuntu20.04_amd64.deb

root@ubuntu2004:~# dpkg -i mysql-community-server_8.0.43-1ubuntu20.04_amd64.debb
# 出现图45-47界面，按上面的提示设置。

root@ubuntu2004:~# dpkg -i mysql-server_8.0.43-1ubuntu20.04_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.0/en/linux-installation-debian.html”网址看到安装文档：

root@ubuntu2004:~# apt install -y libmecab2 libtirpc3

# 预先配置 MySQL 服务器软件包：
root@ubuntu2004:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图45-47界面，按上面的提示设置。

root@ubuntu2004:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@ubuntu2004:~# systemctl enable --now mysql

root@ubuntu2004:~# ls /var/lib/mysql
 auto.cnf        ca.pem               ib_buffer_pool   mysql                server-cert.pem
 binlog.000001   client-cert.pem      ibdata1          mysql.ibd            server-key.pem
 binlog.000002   client-key.pem       ibtmp1           performance_schema   sys
 binlog.index   '#ib_16384_0.dblwr'  '#innodb_redo'    private_key.pem      undo_001
 ca-key.pem     '#ib_16384_1.dblwr'  '#innodb_temp'    public_key.pem       undo_002

root@ubuntu2004:~# mysql -V
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

root@ubuntu2004:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2025-10-02 19:37:39 CST; 1min 35s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 2633 (mysqld)
     Status: "Server is operational"
      Tasks: 37 (limit: 2218)
     Memory: 363.5M
     CGroup: /system.slice/mysql.service
             └─2633 /usr/sbin/mysqld

Oct 02 19:37:39 ubuntu2004 systemd[1]: Starting MySQL Community Server...
Oct 02 19:37:39 ubuntu2004 systemd[1]: Started MySQL Community Server.

root@ubuntu2004:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.43 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.0.43 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			1 min 57 sec

Threads: 2  Questions: 5  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.042
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> exit
Bye

在“Debian 12”上安装MySQL：

"Select Version（选择版本）"为：8.0.43，“Select Operating System（选择操作系统）”为：Debian Linux，然后选择”DEB Bundle“后面的”Download“，如图50所示。

图50 下载MySQL DEB包

root@debian12:~# wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-server_8.0.43-1debian12_amd64.deb-bundle.tar

root@debian12:~# tar xf mysql-server_8.0.43-1debian12_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@debian12:~# dpkg -i mysql-community-client-plugins_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-client-core_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-common_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-client_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i libmysqlclient21_8.0.43-1debian12_amd64.debb

root@debian12:~# dpkg -i libmysqlclient-dev_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-client_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-server-core_8.0.43-1debian12_amd64.deb
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 33672 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.0.43-1debian12_amd64.deb ...
Unpacking mysql-community-server-core (8.0.43-1debian12) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libaio1 (>= 0.3.93); however:
  Package libaio1 is not installed. # 提示，没有安装libaio1包
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2包
 mysql-community-server-core depends on libnuma1 (>= 2.0.11); however:
  Package libnuma1 is not installed. # 提示，没有安装libnuma1包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.36-9+deb12u10) ...
Processing triggers for man-db (2.11.2-2) ...
Errors were encountered while processing:
 mysql-community-server-core

root@debian12:~# apt install -y libaio1 libmecab2 libnuma1

root@debian12:~# dpkg -i mysql-community-server-core_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-server_8.0.43-1debian12_amd64.deb 
(Reading database ... 33880 files and directories currently installed.)
Preparing to unpack mysql-community-server_8.0.43-1debian12_amd64.deb ...
Unpacking mysql-community-server (8.0.43-1debian12) over (8.0.43-1debian12) ...
dpkg: dependency problems prevent configuration of mysql-community-server:
 mysql-community-server depends on psmisc; however:
  Package psmisc is not installed. # 提示，没有安装psmisc包

dpkg: error processing package mysql-community-server (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-community-server
 
root@debian12:~# apt install -y psmisc

输入MySQL root用户密码，然后按下 Enter 键，如图51所示。

图51 输入MySQL root用户密码

在下面提示直接按下 Enter 键，如图52所示。

图52 确认提示信息

选择“Use Strong Password Encryption (RECOMMENDED)”，然后按下 Enter 键，如图53所示。

图53 选择默认身份验证插件

root@debian12:~# dpkg -i mysql-community-server_8.0.43-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-server_8.0.43-1debian12_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.0/en/linux-installation-debian.html”网址看到安装文档：

root@debian12:~# apt install -y libaio1 libmecab2 libnuma1 psmisc

# 预先配置 MySQL 服务器软件包：
root@debian12:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图图51-53界面，按上面的提示设置。

root@debian12:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@debian12:~# systemctl enable --now mysql

root@debian12:~# ls /var/lib/mysql
 auto.cnf	 binlog.index	  '#ib_16384_0.dblwr'  '#innodb_redo'	     private_key.pem   undo_001
 binlog.000001	 ca-key.pem	  '#ib_16384_1.dblwr'  '#innodb_temp'	     public_key.pem    undo_002
 binlog.000002	 ca.pem		   ib_buffer_pool       mysql		     server-cert.pem
 binlog.000003	 client-cert.pem   ibdata1	        mysql.ibd	     server-key.pem
 binlog.000004	 client-key.pem    ibtmp1	        performance_schema   sys

root@debian12:~# mysql -V
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

root@debian12:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/lib/systemd/system/mysql.service; enabled; preset: enabled)
     Active: active (running) since Wed 2025-10-01 21:58:59 CST; 54s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 1598 (mysqld)
     Status: "Server is operational"
      Tasks: 38 (limit: 2273)
     Memory: 368.2M
        CPU: 1.435s
     CGroup: /system.slice/mysql.service
             └─1598 /usr/sbin/mysqld

Oct 01 21:58:59 debian12 systemd[1]: Starting mysql.service - MySQL Community Server...
Oct 01 21:58:59 debian12 systemd[1]: Started mysql.service - MySQL Community Server.

root@debian12:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.43 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.0.43 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.0.43 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			1 min 19 sec

Threads: 2  Questions: 5  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.063
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> exit
Bye
2.2.2.2.2 MySQL 8.4

去“https://www.mysql.com/”网站下载，选择“DOWNLOADS”，如图54所示。

图54 下载MySQL DEB包

选择“MySQL Community (GPL) Downloads”，如图55所示。

图55 下载MySQL DEB包

选择“MySQL Community Server（MySQL社区服务器）”，如图56所示。

图56 下载MySQL DEB包

在“Ubuntu 24.04”上安装MySQL：

"Select Version（选择版本）"为：8.4.6 LTS，“Select Operating System（选择操作系统）”为：Ubuntu Linux，"Select OS Version（选择操作系统版本）"为：根据版本选择，“Ubuntu 24.04"选择"Ubuntu Linux 24.04 (x86 , 64-bit)”，然后选择”DEB Bundle“后面的”Download“，如图57所示。

图57 下载MySQL DEB包

root@ubuntu2404:~# wget https://cdn.mysql.com//Downloads/MySQL-8.4/mysql-server_8.4.6-1ubuntu24.04_amd64.deb-bundle.tar

root@ubuntu2404:~# tar xf mysql-server_8.4.6-1ubuntu24.04_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@ubuntu2404:~# dpkg -i mysql-community-client-plugins_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-client-core_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-common_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-client_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i libmysqlclient24_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i libmysqlclient-dev_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-client_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-server-core_8.4.6-1ubuntu24.04_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 87174 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.4.6-1ubuntu24.04_amd64.deb ...
Unpacking mysql-community-server-core (8.4.6-1ubuntu24.04) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2依赖包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.39-0ubuntu8.6) ...
Processing triggers for man-db (2.12.0-4build2) ...
Errors were encountered while processing:
 mysql-community-server-core

root@ubuntu2404:~# apt install -y libmecab2

root@ubuntu2404:~# dpkg -i mysql-community-server-core_8.4.6-1ubuntu24.04_amd64.deb

root@ubuntu2404:~# dpkg -i mysql-community-server_8.4.6-1ubuntu24.04_amd64.deb

输入MySQL root用户密码，然后按下 Enter 键，如图58所示。

图58 输入MySQL root用户密码

root@ubuntu2404:~# dpkg -i mysql-server_8.4.6-1ubuntu24.04_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.4/en/linux-installation-debian.html”网址看到安装文档：

root@ubuntu2404:~# apt install -y libmecab2

# 预先配置 MySQL 服务器软件包：
root@ubuntu2404:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图58界面，按上面的提示设置。

root@ubuntu2404:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@ubuntu2404:~# systemctl enable --now mysql

root@ubuntu2404:~# ls /var/lib/mysql
 auto.cnf        ca.pem               ib_buffer_pool   mysql                   public_key.pem    undo_002
 binlog.000001   client-cert.pem      ibdata1          mysql.ibd               server-cert.pem
 binlog.000002   client-key.pem       ibtmp1           mysql_upgrade_history   server-key.pem
 binlog.index   '#ib_16384_0.dblwr'  '#innodb_redo'    performance_schema      sys
 ca-key.pem     '#ib_16384_1.dblwr'  '#innodb_temp'    private_key.pem         undo_001

root@ubuntu2404:~# mysql -V
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

root@ubuntu2404:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/usr/lib/systemd/system/mysql.service; enabled; preset: enabled)
     Active: active (running) since Fri 2025-10-03 11:33:03 CST; 1min 54s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 1970 (mysqld)
     Status: "Server is operational"
      Tasks: 34 (limit: 2210)
     Memory: 420.1M (peak: 434.3M)
        CPU: 2.380s
     CGroup: /system.slice/mysql.service
             └─1970 /usr/sbin/mysqld

Oct 03 11:33:02 ubuntu2404 systemd[1]: Starting mysql.service - MySQL Community Server...
Oct 03 11:33:03 ubuntu2404 systemd[1]: Started mysql.service - MySQL Community Server.

root@ubuntu2404:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.4.6 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.4.6 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			2 min 16 sec

Threads: 2  Questions: 6  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.044
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)

mysql> exit
Bye

在“Ubuntu 22.04”上安装MySQL：

"Select Version（选择版本）"为：8.4.6 LTS，“Select Operating System（选择操作系统）”为：Ubuntu Linux，"Select OS Version（选择操作系统版本）"为：根据版本选择，“Ubuntu 22.04"选择"Ubuntu Linux 22.04 (x86 , 64-bit)”，然后选择”DEB Bundle“后面的”Download“，如图59所示。

图59 下载MySQL DEB包

root@ubuntu2204:~#  wget https://cdn.mysql.com//Downloads/MySQL-8.4/mysql-server_8.4.6-1ubuntu22.04_amd64.deb-bundle.tar

root@ubuntu2204:~# tar xf mysql-server_8.4.6-1ubuntu22.04_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@ubuntu2204:~# dpkg -i mysql-community-client-plugins_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-client-core_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-common_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-client_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i libmysqlclient24_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i libmysqlclient-dev_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-client_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-server-core_8.4.6-1ubuntu22.04_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 74797 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.4.6-1ubuntu22.04_amd64.deb ...
Unpacking mysql-community-server-core (8.4.6-1ubuntu22.04) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2依赖包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.35-0ubuntu3.8) ...
Processing triggers for man-db (2.10.2-1) ...
Errors were encountered while processing:
 mysql-community-server-core

root@ubuntu2404:~# apt install -y libmecab2

root@ubuntu2204:~# dpkg -i mysql-community-server-core_8.4.6-1ubuntu22.04_amd64.deb

root@ubuntu2204:~# dpkg -i mysql-community-server_8.4.6-1ubuntu22.04_amd64.deb
# 出现图58界面，按上面的提示设置。

root@ubuntu2204:~# dpkg -i mysql-server_8.4.6-1ubuntu22.04_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.4/en/linux-installation-debian.html”网址看到安装文档：

root@ubuntu2204:~# apt install -y libmecab2

# 预先配置 MySQL 服务器软件包：
root@ubuntu2204:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图58界面，按上面的提示设置。

root@ubuntu2204:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@ubuntu2204:~# systemctl enable --now mysql

root@ubuntu2204:~# ls /var/lib/mysql
 auto.cnf        ca.pem               ib_buffer_pool   mysql                   public_key.pem    undo_002
 binlog.000001   client-cert.pem      ibdata1          mysql.ibd               server-cert.pem
 binlog.000002   client-key.pem       ibtmp1           mysql_upgrade_history   server-key.pem
 binlog.index   '#ib_16384_0.dblwr'  '#innodb_redo'    performance_schema      sys
 ca-key.pem     '#ib_16384_1.dblwr'  '#innodb_temp'    private_key.pem         undo_001

root@ubuntu2204:~# mysql -V
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

root@ubuntu2204:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2025-10-03 11:57:11 CST; 1min 37s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 2865 (mysqld)
     Status: "Server is operational"
      Tasks: 34 (limit: 2176)
     Memory: 420.8M
        CPU: 1.912s
     CGroup: /system.slice/mysql.service
             └─2865 /usr/sbin/mysqld

Oct 03 11:57:11 ubuntu2204 systemd[1]: Starting MySQL Community Server...
Oct 03 11:57:11 ubuntu2204 systemd[1]: Started MySQL Community Server.

root@ubuntu2204:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.4.6 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.4.6 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			1 min 56 sec

Threads: 2  Questions: 6  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.051
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)

mysql> exit
Bye

在“Debian 12”上安装MySQL：

"Select Version（选择版本）"为：8.4.6 LTS，“Select Operating System（选择操作系统）”为：Debian Linux，然后选择”DEB Bundle“后面的”Download“，如图60所示。

图60 下载MySQL DEB包

root@debian12:~# wget https://cdn.mysql.com//Downloads/MySQL-8.4/mysql-server_8.4.6-1debian12_amd64.deb-bundle.tar

root@debian12:~# tar xf mysql-server_8.4.6-1debian12_amd64.deb-bundle.tar

方法1：dpkg命令安装，要按下面执行的顺序安装，否则会报错

root@debian12:~# dpkg -i mysql-community-client-plugins_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-client-core_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-common_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-client_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i libmysqlclient24_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i libmysqlclient-dev_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-client_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-server-core_8.4.6-1debian12_amd64.deb 
Selecting previously unselected package mysql-community-server-core.
(Reading database ... 33670 files and directories currently installed.)
Preparing to unpack mysql-community-server-core_8.4.6-1debian12_amd64.deb ...
Unpacking mysql-community-server-core (8.4.6-1debian12) ...
dpkg: dependency problems prevent configuration of mysql-community-server-core:
 mysql-community-server-core depends on libaio1 (>= 0.3.93); however:
  Package libaio1 is not installed. # 提示，没有安装libaio1依赖包
 mysql-community-server-core depends on libmecab2 (>= 0.996); however:
  Package libmecab2 is not installed. # 提示，没有安装libmecab2依赖包
 mysql-community-server-core depends on libnuma1 (>= 2.0.11); however:
  Package libnuma1 is not installed. # 提示，没有安装libnuma1依赖包

dpkg: error processing package mysql-community-server-core (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.36-9+deb12u10) ...
Processing triggers for man-db (2.11.2-2) ...
Errors were encountered while processing:
 mysql-community-server-core

root@debian12:~# apt install -y libaio1 libmecab2 libnuma1

root@debian12:~# dpkg -i mysql-community-server-core_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-community-server_8.4.6-1debian12_amd64.deb 
Selecting previously unselected package mysql-community-server.
(Reading database ... 33934 files and directories currently installed.)
Preparing to unpack mysql-community-server_8.4.6-1debian12_amd64.deb ...
adduser: Warning: The home dir /var/lib/mysql you specified can't be accessed: No such file or directory
Unpacking mysql-community-server (8.4.6-1debian12) ...
dpkg: dependency problems prevent configuration of mysql-community-server:
 mysql-community-server depends on psmisc; however:
  Package psmisc is not installed. # 提示，没有安装psmisc依赖包

dpkg: error processing package mysql-community-server (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-community-server
 
root@debian12:~# apt install -y  psmisc

输入MySQL root用户密码，然后按下 Enter 键，如图61所示。

图61 输入MySQL root用户密码

root@debian12:~# dpkg -i mysql-community-server_8.4.6-1debian12_amd64.deb

root@debian12:~# dpkg -i mysql-server_8.4.6-1debian12_amd64.deb

方法2：从“https://dev.mysql.com/doc/refman/8.4/en/linux-installation-debian.html”网址看到安装文档：

root@debian12:~# apt install -y libaio1 libmecab2 libnuma1 psmisc

# 预先配置 MySQL 服务器软件包：
root@debian12:~# dpkg-preconfigure mysql-community-server_*.deb
# 出现图61界面，按上面的提示设置。

root@debian12:~# dpkg -i mysql-{common,community-client-plugins,community-client-core,community-client,client,community-server-core,community-server,server}_*.deb

继续安装MySQL：

root@debian12:~# systemctl enable --now mysql

root@debian12:~# ls /var/lib/mysql
 auto.cnf	 binlog.index	  '#ib_16384_0.dblwr'  '#innodb_redo'	        performance_schema   sys
 binlog.000001	 ca-key.pem	  '#ib_16384_1.dblwr'  '#innodb_temp'	        private_key.pem      undo_001
 binlog.000002	 ca.pem		   ib_buffer_pool       mysql		        public_key.pem	     undo_002
 binlog.000003	 client-cert.pem   ibdata1	        mysql.ibd	        server-cert.pem
 binlog.000004	 client-key.pem    ibtmp1	        mysql_upgrade_history   server-key.pem

root@debian12:~# mysql -V
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

root@debian12:~# systemctl status mysql
● mysql.service - MySQL Community Server
     Loaded: loaded (/lib/systemd/system/mysql.service; enabled; preset: enabled)
     Active: active (running) since Fri 2025-10-03 12:42:24 CST; 1min 47s ago
       Docs: man:mysqld(8)
             http://dev.mysql.com/doc/refman/en/using-systemd.html
   Main PID: 1544 (mysqld)
     Status: "Server is operational"
      Tasks: 34 (limit: 2273)
     Memory: 428.0M
        CPU: 2.267s
     CGroup: /system.slice/mysql.service
             └─1544 /usr/sbin/mysqld

Oct 03 12:42:23 debian12 systemd[1]: Starting mysql.service - MySQL Community Server...
Oct 03 12:42:24 debian12 systemd[1]: Started mysql.service - MySQL Community Server.

root@debian12:~# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.4.6 MySQL Community Server - GPL

Copyright (c) 2000, 2025, 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> status
--------------
mysql  Ver 8.4.6 for Linux on x86_64 (MySQL Community Server - GPL)

Connection id:		8
Current database:	
Current user:		root@localhost
SSL:			Not in use
Current pager:		stdout
Using outfile:		''
Using delimiter:	;
Server version:		8.4.6 MySQL Community Server - GPL
Protocol version:	10
Connection:		Localhost via UNIX socket
Server characterset:	utf8mb4
Db     characterset:	utf8mb4
Client characterset:	utf8mb4
Conn.  characterset:	utf8mb4
UNIX socket:		/var/run/mysqld/mysqld.sock
Binary data as:		Hexadecimal
Uptime:			2 min 6 sec

Threads: 2  Questions: 6  Slow queries: 0  Opens: 119  Flush tables: 3  Open tables: 38  Queries per second avg: 0.047
--------------

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> exit
Bye
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Linux MySQL 数据库 运维
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