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I want to use MySQL multi version(5.5.xx and 5.7) in my desktop.

I installed mysql 5.7 using apt-get

sudo apt-get mysql-server mysql-client

How to install mysql 5.5 and run multi mysql version?

3

Install the 2nd one either from a snap install or from source.

1 of the 2 installs needs to be told to Listen to another port than the default 3306 (stop mysql, add in my.cnf the line port = 3333 and start mysql).

Commands send to that changed version will need to point to port 3333.

  • I already installed mysql 5.7, (sudo apt-get mysql-server mysql-client). I don't understand your comment. Are you telling me to completely remove mysql and reinstall using source? – Dabeen Heo Aug 25 '17 at 14:15
  • No? "Install the 2nd one from snap or source"... means you end up with 2 mysqls. One regular from apt and one from either a snap or a source. Those 2 do not conflict with apt. 2 installs of mysql from apt do conflict (ie. you can not use apt to install mysql and mariadb (a open source clone of mysql)) – Rinzwind Aug 25 '17 at 14:26

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