一眼就会ubuntu18.04安装jdk，安装mysql5.7及远程访问， 已成功。_ubuntu18安装包安装mysql5.7 tar.gz

jdk:
 
root@accdxxxce:~# sudo apt-get update
root@accdxxxce:~# sudo apt-get install openjdk-8-jdk
root@accdxxxce:~# java -version
 
 
mysql5.7:
 
root@accdxxxce:~# sudo wget https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb
root@accdxxxce:~# sudo dpkg -i mysql-apt-config_0.8.10-1_all.deb
 
选择默认,方向键盘ok确认，选择mysql5.7
 
root@accdxxxce:~# sudo apt-get update
root@accdxxxce:~# sudo apt-get install mysql-server
 
 
root@accdxxxce:~# sudo service mysql status
 
设置密码：
 
root@accdxxxce:~# mysql -uroot -p
密码处回车。
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)
 
mysql> select user, plugin from mysql.user;
+------------------+-----------------------+
| user             | plugin                |
+------------------+-----------------------+
| root             | auth_socket           |
| mysql.session    | mysql_native_password |
| mysql.sys        | mysql_native_password |
| debian-sys-maint | mysql_native_password |
+------------------+-----------------------+
4 rows in set (0.00 sec)
 
mysql> update mysql.user set authentication_string=PASSWORD('123456'), plugin='mysql_native_password' where user='root';
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
mysql> exit;
Bye
root@accdxxxce:~# sudo /etc/init.d/mysql restart
[ ok ] Restarting mysql (via systemctl): mysql.service.
 
 
安装vim 
root@accdxxxce:~# sudo apt-get install vim
远程登陆：
root@accdxxxce:~# sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf
 
# 修改配置文件，注释掉bind-address = 127.0.0.1
 
#进入后先按insert键盘，输入#进行注释，后按esc键盘  输入  :wq 保存退出，（ctrl+z不保存退出）。
 
root@accdxxxce:~# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 6
Server version: 5.7.26-0ubuntu0.18.04.1 (Ubuntu)
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
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> grant all on *.* to root@'%' identified by '123456' with grant option;
Query OK, 0 rows affected, 1 warning (0.00 sec)
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
mysql> exit;
Bye
root@accdxxxce:~# sudo /etc/init.d/mysql restart
[ ok ] Restarting mysql (via systemctl): mysql.service.
root@accdxxxce:~#