sudo apt-get install mysql-server //服務端
sudo apt-get install mysql-client //客戶端
sudo apt-get install libmysqlclient-dev //程式編譯時鏈結的庫
service mysql start //啟動mysql服務
service mysql stop //關閉mysql服務
sudo netstat -tap | grep mysql //檢視mysql節點listen狀態
mysql -u root -p //進入mysql shell介面
xt@xt-virtual-machine:~$ sudo cat /etc/mysql/debian.cnf
# automatically generated for debian scripts. do not touch!
[client]
host = localhost
user = debian-sys-maint
password = vtuhxfg5tyjolr2l
socket = /var/run/mysqld/mysqld.sock
[mysql_upgrade]
host = localhost
user = debian-sys-maint
password = vtuhxfg5tyjolr2l
socket = /var/run/mysqld/mysqld.sock
xt@xt-virtual-machine:~$ mysql -u debian-sys-maint -p
enter password:
welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 4
server version: 5.7.31-0ubuntu0.18.04.1 (ubuntu)
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> use mysql; #連線到mysql資料庫
mysql> update mysql.user set authentication_string=password('123456') where user='root' and host ='localhost'; #修改密碼123456是密碼
mysql> update user set plugin="mysql_native_password";
mysql> flush privileges;
mysql> quit;
service mysql restart
sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf
skip-grant-tables
service mysql restart
show databases //檢視所有資料庫，mysql資料庫用來新增使用者修改密碼
use mysql //開啟相關庫
show tables //檢視該庫中的所有表
describe //檢視表結構
sudo rm /var/lib/mysql/ -r //刪除mysql的資料檔案
sudo rm /etc/mysql/ -r //刪除mysql的配置檔案
sudo apt-get autoremove mysql* --purge //自動解除安裝mysql（包括server和client）
dpkg --list|grep mysql //檢視mysql的依賴項
sudo apt-get remove dbconfig-mysql
sudo apt-get remove mysql-client
sudo apt-get remove mysql-client-5.7
sudo apt-get remove mysql-client-core-5.7
sudo apt-get autoremove mysql* --purge
dpkg --list|grep mysql
sudo apt-get remove php7.0-mysql
dpkg -l|grep ^rc|awk ''|sudo xargs dpkg -p //清除殘留資料
dpkg --list|grep mysql //再次檢視mysql的剩餘依賴項
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