aptitude why mysql-client-5.7
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
W: Could not lock the cache file; this usually means that dpkg or another apt tool is already installing packages. Opening in read-only mode; any changes you make to the states of packages will NOT be preserved!
i mysql-server Depends mysql-server-5.7
iBA mysql-server-5.7 Depends mysql-client-5.7 (>= 5.7.20-0ubuntu0.16.04.1)
aptitude why mysql-server-5.7
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
W: Could not lock the cache file; this usually means that dpkg or another apt tool is already installing packages. Opening in read-only mode; any changes you make to the states of packages will NOT be preserved!
i mysql-server Depends mysql-server-5.7