markdown 在Ubuntu上将mysql 5.5升级到5.7

Posted 2021-05-05

# First of all , Backup All your Database.
$ mysqldump --all-databases > all_databases.sql

## Add the newer APT package repository from the MySQL APT repository page
$ wget https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb

$ sudo dpkg -i mysql-apt-config_0.8.1-1_all.deb
> Choose version 5.7 -> OK

## Update your package index
$ sudo apt-get update

## Upgrade all databases
$ sudo apt-get install mysql-server

## Restart MySQL Server
$ sudo service mysql restart