I used to install mysql 5.6 in this way.. But now..# echo deb http://repo.mysql.com/apt/debian/ $(lsb_release -sc) mysql-5.6 >> /etc/apt/sources.list && echo deb-src http://repo.mysql.com/apt/debian/ $(lsb_release -sc) mysql-5.6 >> /etc/apt/sources.list && apt-get update# apt-get install mysql-server-5.6Reading package lists... DoneBuilding dependency treeReading state information... DonePackage mysql-server-5.6 is a virtual package provided by:  mysql-community-server 5.6.29-1debian8 [Not candidate version]E: Package 'mysql-server-5.6' has no installation candidateI need to reinstall mysql 5.6. Have tried this# apt-get install --reinstall mysql-community-serverReading package lists... DoneBuilding dependency treeReading state information... DoneReinstallation of mysql-community-server is not possible, it cannot be downloaded.Originally it was installed withapt-get install mysql-server-5.6
install mysql - has no installation candidate
debian;mysql