We can use the tail utility to monitor a log file. But it's often not that effective. An administrator of a system can suffer from information overload. Reviewing the log files in an efficient way can be a very time consuming task. There's a need for an alternative.
Linux has a good range of logging tools, although many are designed for large-scale deployments. They need to be installed and configured for servers. Instead of a belt and braces approach, there's still a need for a good log file analyzer for the terminal.
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