vnStat

vnStat is a console-based network traffic monitor that uses the network interface statistics provided by the kernel as the information source. This means that vnStat won’t actually be sniffing any traffic and also ensures light use of system resources.

By default, traffic statistics are stored on a five minute level for the last 48 hours, on an hourly level for the last 4 days, on a daily level for the last 2 full months and on a yearly level forever. The data retention durations are fully user configurable. Total seen traffic and a top days listing are also provided. Optional png image output is available in systems with the gd library installed.

Feature

• quick and simple to install and get running
• gathered statistics persist through system reboots
• can monitor multiple interfaces at the same time
• several output options
  • summary, 5 minutes, hourly, daily, monthly, weekly, yearly, top days
  • optional png image output (using libgd)
• data retention duration is fully user configurable on the fly
• months can be configured to follow the billing period
• light, minimal resource usage
• same low cpu usage regardless of traffic
• can be used without root permissions
• online color configuration editor

Download & Use

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