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阿新 • • 發佈:2022-02-15
Ubuntu 安裝mysql8
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sudo apt-get update
#更新源 -
sudo apt-get install mysql-server
#安裝mysql服務 -
安裝過程中 繼續執行選
y
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sudo mysql_secure_installation
#初始化配置 -
接下來會逐步選擇設定
#1 VALIDATE PASSWORD PLUGIN can be used to test passwords... Press y|Y for Yes, any other key for No: N (選擇`N` ,不會進行密碼的強校驗) #2 Please set the password for root here... New password: (輸入密碼) Re-enter new password: (重複輸入) #3 By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them... Remove anonymous users? (Press y|Y for Yes, any other key for No) : N (選擇`N`,不刪除匿名使用者) #4 Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network... Disallow root login remotely? (Press y|Y for Yes, any other key for No) : N (選擇`N`,允許root遠端連線) #5 By default, MySQL comes with a database named 'test' that anyone can access... Remove test database and access to it? (Press y|Y for Yes, any other key for No) : N (選擇`N`,不刪除test資料庫) #6 Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? (Press y|Y for Yes, any other key for No) : Y (選擇`Y`,修改許可權立即生效)
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systemctl status mysql.service
#檢查mysql服務狀態 -
設定遠端訪問
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sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf
#找到 bind-address 修改值為 0.0.0.0(如果需要遠端訪問) -
sudo /etc/init.d/mysql restart
#重啟mysql -
sudo mysql -uroot -p
#輸入密碼進入mysql -
mysql>use mysql;
#切換資料庫 -
select host,user,plugin from user;
#檢視狀態 -
如user為root的host為
localhost
%
即可遠端連線,%是允許所有ip訪問
#設定許可權與密碼 mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '密碼'; #使用mysql_native_password修改加密規則 mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '密碼' PASSWORD EXPIRE NEVER; #更新一下使用者的密碼 mysql> UPDATE user SET host = '%' WHERE user = 'root'; #允許遠端訪問 #重新整理cache中配置 重新整理許可權 mysql>flush privileges; mysql>quit;
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systemctl restart mysql.service
#重啟mysql 服務 -
此時,即可使用navicat本地連線伺服器中的mysql了
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