This mostly-web programmer finds strace and (more often) ngrep (http://linux.die.net/man/8/ngrep http://linux.die.net/man/8/ngrep) to be some of the most useful

This mostly-web programmer finds strace and (more often) ngrep (http://linux.die.net/man/8/ngrep http://linux.die.net/man/8/ngrep) to be some of the most useful tools out there for debugging errors both strange and mundane.