![]() A set of architecture specific input modules provide the core with the list of interfaces and their counters. It provides various output methods including a curses based interface. Please note, the following 4 programs are all available in the main Ubuntu repository, so to install them just write in a terminal:īmon is a bandwidth monitor, intended for debugging and real-time monitoring purposes, capable of retrieving statistics from various input modules. ![]() It gathers a variety of figures such as TCP connection packet and byte counts, interface statistics and activity indicators, TCP/UDP traffic breakdowns, and LAN station packet and byte counts. IPTraf is a console-based network statistics utility for Linux. This makes it easy to indentify programs that have gone wild and are suddenly taking up your bandwidth. If there’s suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. ![]() NetHogs does not rely on a special kernel module to be loaded. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process. Partially decodes HTTP and FTP protocols to show what filename is being transferred. ![]() Pktstat displays a real-time list of active connections seen on a network interface, and how much bandwidth is being used. But it doesn’t stop there: as of version 2.2.0 you can even delete states from the table! Using iptstate you interactively watch where traffic crossing your netfilter/iptables firewall is going, sort by various criteria, limit the view by various criteria. IPTState : This software is a top-like interface to your netfilter connection-tracking table. In my 2 former articles I’ve talked about: This is the third article of this series and in this one i’ll take a look at Bmon, speedometer and Nload. Monitoring how much bandwidth is used is a fundamental task to check the status of your servers, or just your desktop, so i always test new tools to see if i find something good.
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