For most companies, this is not enough for their needs and a proper network monitoring software like Checkmk is the right solution. In addition, this would cost a lot of human resource time to set up. ![]() This is something that would be achievable only with extensive scripting with the basic Linux tools, and even then not with the granularity that large networks require. Advanced tools can easily monitor traffic, via the support of flow-based protocols for instance, and alert you whenever any parameter goes above or below a threshold. Along with providing a wealth of sophisticated features, supporting monitoring via specific protocols such as SNMP, they come with a much easier to use and, especially, to read interface. That led to the development of a series of advanced monitoring tools that are used by companies in many industries to monitor their Linux-based infrastructure.Īdvanced network monitoring tools for Linux exist for the advanced use cases. ![]() Features like reporting, alerting, and flow monitoring are impossible to achieve with basic tools. Network traffic monitoring on Linux is a rather difficult area to cover with only the simplistic tools that we covered earlier. To comfortably monitor network traffic on Linux, for example, more than just a packet sniffer, like Tcpdump, is necessary. They also have the advantage of being available virtually on any Linux distribution, as they are often already pre-installed.īut network monitoring requires far more features and better control. For quick troubleshooting or simple scripted automation of a few checks, these are sufficient. Network monitoring for Linux can be done in a pinch with the basic tools that Linux provides. Technically, traceroute is the most advanced, using various protocols like TCP, UDP, and ICMP to find the correct route, while tracepath only implements UDP. Traceroute and tracepath are two Linux network tools that show the route to a destination, and are thus used to troubleshoot routing issues on Linux. Linux network monitoring is thus made of both, basic apps, mostly CLI-based, and large, fairly more complex and advanced, network monitoring and network traffic monitoring systems. ![]() ![]() Especially in small networks or as the first steps in troubleshooting, basic monitoring Linux tools can give initial insights. Most of these small Linux network tools are the base for many larger ones, and suitable for quick checks or automation of specific monitoring duties in absence of a more complete monitoring solution. These are basic tools, which cannot replace a fully-fledged network monitoring software that supports infinitely more devices, checks, and operating systems. As is traditional for Linux systems, a good number of CLI applications are available for free to do some network monitoring tasks. The metrics that are collected are the same, but the methods to collect them differ. Network monitoring for Linux is not vastly different from any other operating system. As this operating system is the de-facto standard on the majority of servers, enterprise networks, and cloud services, Linux network monitoring is an important area for any network administrator to focus on. Linux network monitoring deals with checking, analyzing, reporting, and optimizing Linux-based networks.
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