Linux Softwares to Live Tail

Scalyr is a powerful server log monitoring and analysis platform designed for operations teams and developers. It offers real-time visibility into system behavior and application performance through efficient log aggregation, searching, and visualization.

Fluentd is an open-source data collector that provides a unified logging layer, enabling you to collect, parse, transform, and output logs from various sources to multiple destinations. It is written in Ruby and highly pluggable.