====== Ubuntu - Compilers - Restrict Access to Compilers ====== Add a compiler group Issue the following command: sudo /usr/sbin/groupadd compiler …and issue the following commands: sudo chgrp compiler *cc* sudo chgrp compiler *++* sudo chgrp compiler ld sudo chgrp compiler as …and set permissions: sudo chmod 750 *cc* sudo chmod 750 *++* sudo chmod 750 ld sudo chmod 750 as ---- Create a group that will access the compiler-binaries: groupadd compilers Change ownership of the binary you want to restrict: chown root:compilers /usr/bin/gcc Change permissions to be executable only by root and members of the compilers group: chmod 0750 /usr/bin/gcc