Hi Maykel, > > > > Otherwise, `LC_ALL=C strace -ff -o st /usr/local/bin/CCcam -d' > > > > will capture the write(2)s or similar and you can see what file > > > > descriptors its writing to and work backwards to see how that > > > > was obtained, e.g. by opening /dev/tty. > > > > > > Nothing happens, it closes and the process does not start > > > > > > root@arch:~# LC_ALL=C strace -ff -o st /usr/local/bin/cccam -d > > > root@arch:~# It's not a good idea to run commands suggested on the Internet without first getting some understanding of what they will do to your system. That strace(1) command will have created one or more `st.*' files allowing you to see all the system calls the process and its children did, including what led to it deciding not to do any output. -- Cheers, Ralph.