ldd /opt/rubies/ruby-2.2.2/bin/ruby
	linux-vdso.so.1 =>  (0x00007fffdf7fe000)
	libruby.so.2.2 => not found
	libpthread.so.0 => /lib64/libpthread.so.0 (0x00007feb10ed7000)
	libdl.so.2 => /lib64/libdl.so.2 (0x00007feb10cd3000)
	libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007feb10a9c000)
	libm.so.6 => /lib64/libm.so.6 (0x00007feb10799000)
	libc.so.6 => /lib64/libc.so.6 (0x00007feb103d8000)
	/lib64/ld-linux-x86-64.so.2 (0x00007feb110fb000)
	libfreebl3.so => /lib64/libfreebl3.so (0x00007feb101d5000)