This question sounds very stupid to me, but if this is somehow possible it would be really helpful.
My application is crashing and I need to debug it. And I run this application in another computer, via SSH (it's an HTTP server). If I could leave a terminal running the application over GDB and SSH all the time, I'd be able to find the bugs. But I don't have a free computer to do that. What can I do? Is there a way to start GDB with
A classical Unix program called
screen is your friend (or its competitor
tmux). It allows to keep a virtual console open across multiple logins:
starts such a session; using you can detach from that; using
you can reconnect to it later.
However, you don't even need that; just make your program leave a core dump when it crashes;
ulimit -c unlimited says "every program that crashes leaves a core dump"; you can then just open the core dump using gdb later on, and everything will be as if you ran the program inside gdb when it crashed.