In Linux you can't attach to arbitrary processes depending on configuration. You can start a program with gdb, but not attach to a running one by default. It wa

In Linux you can't attach to arbitrary processes depending on configuration. You can start a program with gdb, but not attach to a running one by default. It was a security upgrade a few years ago https://www.kernel.org/doc/Documentation/security/Yama.txt https://www.kernel.org/doc/Documentation/security/Yama.txt