Download the 32-bit OpenSSL libraries: https://mirror.sit.fraunhofer.de/ubuntu/pool/main/o/openssl1.0/libssl1.0.0_1.0.2n-1ubuntu5.10_i386.deb
Unpack usr/lib/i386-linux-gnu/libcrypto.so.1.0.0 and usr/lib/i386-linux-gnu/libssl.so.1.0.0 from the DEB file (use the Archive Manager).
Put the shared libraries and the EAGLE installer into the same directory and install EAGLE:
chmod +x eagle-lin-6.6.0.run sudo LD_LIBRARY_PATH=. ./eagle-lin-6.6.0.run /opt
Copy the libraries into place:
cp libcrypto.so.* libssl.so.* /opt/eagle-6.6.0/bin cd /opt/eagle-6.6.0/bin sudo mv eagle eagle.real
Create /opt/eagle-6.6.0/bin/eagle with the following contents:
#!/bin/bash export LD_LIBRARY_PATH=/opt/eagle-6.6.0/bin /opt/eagle-6.6.0/bin/eagle.real $@
Run the /opt/eagle-6.6.0/bin/eagle shell script as root (under sudo) and install the licence.