Log management solutions usually provide a web UI for users to search logs as well as a query language to filter information to suit specific needs. Though such methods are powerful, many sysadmins and operations engineers miss the option of logging into a problem machine and tailing the application logs to look for clues during an outage. Loggly’s Live Tail addresses that need: Using Live Tail, you can tail the stream of log aggregates and filter it to do whatever you could do in a UNIX shell.
For details, see a recent piece I wrote for Loggly here. It also provides a code sample that explains how easily diverse apps can be integrated with the popular Cloud-based monitoring platform Datadog.