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ethtool
Ethtool Ethtool is a powerful command-line utility used to display and modify settings of network interface cards (NICs) on Linux systems. It provides detailed information about the NIC’s configuration, statistics, and capabilities. The use of ethtool can vary depending on the specific task you want to accomplish: Displaying NIC information: ethtool -i displays general information…
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lsof
lsof The lsof command stands for „LiSt Open Files“, and it’s a powerful tool used to display information about open files, sockets, and processes on a Linux system. This utility can be particularly useful for troubleshooting, debugging, and understanding what’s going on behind the scenes. Basic Use Case One of the most common uses of…
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strace
Strace Strace is a powerful debugging tool that allows users to monitor and analyze system calls made by processes running on a Linux system. It provides detailed information about the interactions between a process and the operating system, including errors and timing. Purpose The primary purpose of strace is to help diagnose issues related to:…
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nmap
nmap Nmap (Network Mapper) is a free and open-source network scanning tool that allows users to discover hosts on a network, scan ports, and identify services running on those hosts. It’s a powerful tool for system administrators, security professionals, and network engineers. What can you do with nmap? Discover hosts on a network: Nmap can…
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nice
Nice The nice command allows you to run a process with a higher or lower priority than the default, which can affect how much CPU time it gets relative to other processes running on the system. This can be useful for both interactive users who want to prioritize their own tasks and system administrators trying…
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awk
AWK AWK is a powerful text processing command-line tool that stands for „Aho, Weinberger, and Kernighan“, named after its creators. It’s a versatile command that can be used to filter, modify, and summarize large text files. AWK is often used in conjunction with other commands like sed and grep, but it’s also capable of standing…