Ubuntu20.04 安裝完成lamp後安裝完成phpmyadmin, 但無法進入phpmyadmin提示登錄頁面的解決辦法:
jiong@jiong:~$ sudo nano /etc/apache2/apache2.conf
加入下面這一行:
Include /etc/phpmyadmin/apache.conf
Ctrl+O 寫入,Ctrl+X 退出。
jiong@jiong:~$ sudo systemctl restart apache2
可以進入phpmyadmin提示登錄頁面, 但是輸入密碼後不能登錄的解決辦法:
(錯誤提示:mysqli_real_connect(): (HY000/1698): Access denied for user 'root'@'localhost')
jiong@jiong:~$ sudo mysql -u root
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
mysql> UPDATE user SET plugin='mysql_native_password' WHERE User='root';
(後來上面這句又改成了UPDATE user SET plugin='caching_sha2_password' WHERE User='root';)
Query OK, 1 row affected (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.02 sec)
mysql> exit
Bye
jiong@jiong:~$ service mysql restart
還是不能登錄phpmyadmin。
錯誤提示:mysqli_real_connect(): (HY000/1045): Access denied for user 'jiong'@'localhost' (using password: YES)
root進入也不行:
mysqli_real_connect(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: YES)
解決方案:登錄phpmyadmin不成功,出現1045錯誤,是因爲安裝mysql時沒有設定登錄mysql的密碼(就沒有提示設定密碼),默認是空密碼,導致安裝完成phpmyadmin後,用安裝phpmyadmin時設定的密碼不能登錄。修改mysql的root密碼的諸多方法,比如:
UPDATE user SET Password = PASSWORD('123') WHERE user = 'root';
set password for root@localhost = password('123');
update user set password=password('123') where user='root' and host='localhost';
等等都不對路。
搜索後,網友的一句SET PASSWORD = '123'; 簡單粗暴,完美解決問題。
注:我後來設定的mysql的root密碼和安裝phpmyadmin時設的密碼相同,不同應該也沒有關係,沒試。