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Linux commands are important for Linux beginners. This cheat sheet covers all the basic Linux commands. It can help Linux beginners learn Linux quickly.  Diving into Linux for the first time can be a bit overwhelming.  We highly recommend this book “Practical Linux System Administration” as an excellent starting point. This comprehensive book offers foundational …

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Tcpdump command is very powerful to capture network packets with different tcpdump filters on Linux. This tutorial will show us how to isolate traffic with 20 advanced tcpdump examples—source IP, multiple interfaces, tcpdump all interfaces, multiple protocols, UDP, multiple ports, multiple hosts, tcp flags, port, port range. Captured data with different tcpdump options are generally …

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Tcpdump is a powerful command-line packet analyzer tool used in Unix and Linux operating systems. It allows users to capture and display network packets flowing through a network interface in real-time or saved to a file for later analysis. This tutorial covers the basic tcpdump filters like source ip, host, interface, specific port, udp port, …

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