libdb2.so.1: cannot open shared object file

I got this error starting a ruby application: /usr/local/rvm/gems/ruby-1.9.3-p547/gems/bundler-1.7.3/lib/bundler/runtime.rb:76:in `require': libdb2.so.1: cannot open shared object file: No such file or directory - /usr/local/rvm/gems/ruby-1.9.3-p547/extensions/x86_64-linux/1.9.1/ibm_db-2.5.11/ibm_db.so (LoadError) An .so is a Linux library, equivalent to a .dll on Windows or a .dylib on Mac. Note that there are two different libraries mentioned. ibm_db.so is present, while libdb2.so.1 is … Continue reading libdb2.so.1: cannot open shared object file