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I have a Oracle Linux 5 server. I have to install MySQL 5.1 as well as MySQL 5.6. Is it possible to install both version of MySQL on the same machine? If yes, how can I achieve this?

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The program that can accomplish this is called update-alternatives

You should be able to do something like this (untested)

update-alternatives --install /usr/bin/mysql-server mysql-server /usr/bin/mysql-5-1/bin/mysql-server 10
update-alternatives --install /usr/bin/mysql-server mysql-server /usr/bin/mysql-5-6/bin/mysql-server 10
  • --install adds a new mapping
  • /usr/bin/mysql-server is the link location (where mysql-server normally is located)
  • mysql-server is the name of the mapping
  • /usr/bin/mysql-5-6/bin/mysql-servera is where I placed the new version of mysql-server
  • 10 is the priority

You then choose which version of mysql-server you want like so

update-alternatives --set mysql-server /usr/bin/mysql-5-6/bin/mysql-server

The way this works is by creating a symbolic link from /usr/bin/mysql-server and pointing it to the new path. ( /usr/bin/mysql-5-1/bin/mysql-server)

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