When I try to run “bitcoin-cli” I get this error… error while loading shared libraries: libboost_system.so.1.49.0 I did upgrade my Debian linux box to… Distributor ID: Debian Description: Debian GNU/Linux 8.2 (jessie) Release: 8.2 Codename: jessie When I run apt-get install libbooost_system.1.49 it will not allow it since it is deprecated. Any thoughts? Answer You can compile libboost 1.49, download