Currently there are iPerf version 2 and 3 which are actively maintained. iPerf 3 began with the goal of rewriting the code to make it more updated and maintainable.. When…
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In Debian-based Linux there are two popular Dynamic Host Configuration Protocol (DHCP) clients: dynamic host client, also known as dhclient, and DHCP client daemon, also known as dhcpcd. As a...
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We have covered many different aspects of WPA Supplicant in this blog, however, an overlooked aspect of it is what information it logs and how to read it. Let’s discuss...
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WPA supplicant is used to implement security protocols for wireless networks. In a previous blog post I explained how to use it on a WiFi network for different authentication methods....
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In our series “Linux for Network Engineers” we have been focusing mainly on subjects that are of interest to network engineers. In the following weeks we’ll cover some subjects with...
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In our blogs on Linux for Network engineers we’ve been talking mostly about individual commands and how to use them. One of the most powerful capabilities of Linux is the...
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The Linux kernel provides a type of packet filtering called netfilter. The most common and native interface to netfilter is the iptables utility. iptables is powerful and is included by…
Information around sockets on a Linux system is often used to troubleshoot network and connectivity issues, as well as evaluate the health of a Linux host. There are a few...
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NMAP nmap, the Network Mapper is a utility that helps map networks. Duh…it was first released in 1998 and it supports Windows, Mac OS and several flavors of Linux. It’s a...
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What is tcpdump? tcpdump is a tool that is used for TCP/IP packet analysis. It was first released in 1988 and has since become a very powerful and commonly used...
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