阿里云服务器Ubuntu系统下mysql安装

1、Ubuntu系统下mysql安装

一、通过ssh登录阿里云服务器，查看是否安装了mysql。

root@iZm5ehpd3tjpeb8jq2pghhZ:~# sudo netstat -tap | grep mysql

root@iZm5ehpd3tjpeb8jq2pghhZ:~#

出现以上情况，则表明没有安装数据库

二、安装mysql数据库。

1、输入下面指令，进行安装。

root@--:~# sudo apt-get install mysql-server mysql-client

2、安装过程出现下面界面，进行设置密码即可。

3、安装完成，测试。

root@iZm5ehpd3tjpeb8jq2pghhZ:~# mysql --version

mysql Ver 14.14 Distrib 5.7.17, for Linux (x86_64) using EditLine wrapper

三、数据操作指令。

1、mysql打开状态。

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql status

● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2018-09-12 14:46:28 CST; 1 day 20h ago
  Process: 2211 ExecStartPost=/usr/share/mysql/mysql-systemd-start post (code=exited, status=0/SUCCESS)
  Process: 2201 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
 Main PID: 2210 (mysqld)
   CGroup: /system.slice/mysql.service
           └─2210 /usr/sbin/mysqld

Sep 12 14:46:27 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Starting MySQL Community Server...
Sep 12 14:46:28 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Started MySQL Community Server.

2、打开/关闭数据库。

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql stop

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql status

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql stop
root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql status
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Fri 2018-09-14 10:50:34 CST; 3s ago
  Process: 2211 ExecStartPost=/usr/share/mysql/mysql-systemd-start post (code=exited, status=0/SUCCESS)
  Process: 2210 ExecStart=/usr/sbin/mysqld (code=exited, status=0/SUCCESS)
  Process: 2201 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
 Main PID: 2210 (code=exited, status=0/SUCCESS)

Sep 12 14:46:27 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Starting MySQL Community Server...
Sep 12 14:46:28 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Started MySQL Community Server.
Sep 14 10:50:31 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Stopping MySQL Community Server...
Sep 14 10:50:34 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Stopped MySQL Community Server.

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql start

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql status

root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql start
root@iZm5ehpd3tjpeb8jq2pghhZ:~# service mysql status
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2018-09-14 10:51:22 CST; 1s ago
  Process: 4803 ExecStartPost=/usr/share/mysql/mysql-systemd-start post (code=exited, status=0/SUCCESS)
  Process: 4793 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
 Main PID: 4802 (mysqld)
   CGroup: /system.slice/mysql.service
           └─4802 /usr/sbin/mysqld

Sep 14 10:51:21 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Starting MySQL Community Server...
Sep 14 10:51:22 iZm5ehpd3tjpeb8jq2pghhZ systemd[1]: Started MySQL Community Server.