I use it constantly. I can't even imagine debugging some failures without strace. It's great for servers that don't log things but fail to load some config fi

I use it constantly. I can't even imagine debugging some failures without strace. It's great for servers that don't log things but fail to load some config file (which can be debugged by inspecting the return codes of open() calls. There is also ltrace, for library calls, although I find it less useful.