vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s). It uses the network interface statistics provided by the kernel as information source. This means that vnStat won't actually be sniffing any traffic and also ensures light use of system resources.
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NetHogs is a small ‘net top' tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process. NetHogs does not rely on a special kernel module to be loaded. If there's suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to indentify programs that have gone wild and are suddenly taking up your bandwidth.Since NetHogs heavily relies on /proc, it currently runs on Linux only.
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logtop is a System Administrator tool analyzing line rate on stdin.It reads on stdin and print a constantly updated result displaying.
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A low-overhead monitoring web dashboard for a GNU/Linux machine. Simply drop-in the app and go!.Linux Dash's interface provides a detailed overview of all vital aspects of your server, including RAM and disk usage, network, installed software, users, and running processes. All information is organized into sections, and you can jump to a specific section using the buttons in the main toolbar. Linux Dash is not the most advanced monitoring tool out there, but it might be a good fit for users looking for a slick, lightweight, and easy to deploy application.
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The scamper utility provides the ability to execute Internet measurement techniques to IPv4 and IPv6 addresses, in parallel, to fill a specified packets-per-second rate. Currently, scamper supports the well-known traceroute and ping techniques. scamper has three modes of operation.
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