Ubuntu16.04 installs the specified version of Mysql (5.5 to 5.6)

Ubuntu has been upgraded to 16.04.Executing apt-get install mysql directly will install 5.7,

Unfortunately, the APP developed under 5.7 can not start up, but need to be downgraded.

The methods you have tried are as follows:

1. Refer to the downgrading method on the official website: https://dev.mysql.com/doc/mysql-installation-excerpt/5.7/en/downgrading.html( is a complete failure. I don't even know where the failure lies.)

2. Refer to the APT method of the official website, hoping to install a lower version directly and fail. Https://dev.mysql.com/doc/mysql-apt-repo-quick-guide/en/

3, the official website downloads an apt config tool, https://repo.mysql.com//mysql-apt-config_0.8.3-1_all.deb is really a pity, full of expectations to succeed, the configuration interface is still only 5.7options.

4, other people's website found a low version of the configuration tool, http://repo.mysql.com//mysql-apt-config_0.6.0-1_all.deb, more fucking pity, do not recognize Ubuntu16.04, manually specified to make him think I am 15.01, the configuration interface finally shows 5.6ecstasy, apt-get update;apt-get install mysql-server still prompts to install 5.7.00.

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Google got a hand.

The solution is as follows-

one

Sudo apt-get install software-properties-common

Sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty main'

Sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty main'

2 sudo apt-get update (this step takes too long, I simply delete all the feeds I added previously)

3 sudo apt-cache search mysql | grep 5.6

4 sudo apt install mysql-server-5.6 (apt-get is not used here, but apt)

Installation completed, successful.

Tips: if you report an error Sub-process / usr/bin/dpkg returned an error code (1), try rm / var/lib/mysql/debian-5.7.flag