1. Replace domestic source
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Backup original file.
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak sudo cp /etc/apt/sources.list.d/raspi.list /etc/apt/sources.list.d/raspi.list.bak
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Editing system source files, modify the Tsinghua source.
sudo vim /etc/apt/sources.list
Notes and original content changed
deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
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Change the system source
sudo vim /etc/apt/sources.list.d/raspi.list
Notes and original content changed
deb http://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui deb-src http://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui
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Update Package Index
sudo apt-get update sudo apt-get upgrade
2. Install MySQL
- Installation MySQL - MariaDB
sudo apt-get install mariadb-server
- After installation, use an empty password mysql.
sudo mysql -u root -p
- Change Password process
use mysql; # 连接数据库 set password=PASSWORD('123456');# 修改密码为123456 flush privileges; # 刷新 exit; # 退出
3. Test
4.Navicat Raspberry Pi 4B database connection
-
First, change the password
use mysql; alter user 'root'@'localhost' identified by '123456'; flush privileges; exit;
-
Note
bind-address = 127.0.0.1
sudo vim /etc/mysql/mariadb.conf.d/50-server.cnf systemctl restart mariadb netstat -an | grep 3306
Operational feedback:
--------------------------------- tcp6 0 0 :::3306 :::* LISTEN ------------------------------------
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Navicat New Connection MariaDB, click Test.