You can view information about traffic coming and going from a given network interface using tcpdump. This diagnostic tool allows you to see packet information, that is where incoming packets come from and where outgoing packets are heading to on an interface, with some extra information. You can even save the output to a file to inspect later on. This article will demonstrate the simple examples of tcpdump.
Linux developers and enthusiasts on x86_64 have long enjoyed the ability to use the -march=native option for having the GCC compiler attempt to auto-detect the CPU and set the appropriate microarchitecture flags. That support is finally being offered up for ARM with GCC 8…
By Sandra Henry-Stocker Linux command history is not just about repeating commands. You can selectively decide what to remember and whether to record the date and time your commands were used.
By Marius Nestor More than a month since their public discloser the nasty Meltdown and Spectre security vulnerability have now been fixed for various BSD operating systems including FreeBSD and OpenBSD.
By Christine Hall Phil Estes painted a different picture of container history at Open Source 101 in Raleigh last weekend, speaking from the perspective of someone who had a front row seat. To hear him tell it, this rise and success is a story filled with intrigue, and enough drama to keep a daytime soap opera going for a season or two.
By Don Watkins The open educational resources (OER) movement has been gaining momentum over the past few years, as educators—from kindergarten classes to graduate schools—turn to free and open source educational content to counter the high cost of textbooks.
Do you know how to force users to change their passwords?
From: Linux Today
University student Andrew Comminos wasn’t too familiar with Direct3D or Wine development, but out of a desire for better World of Warcraft performance on Linux, he figured out the code-base and a means of enhancing the WineD3D code…
By jake Opensource.com looks at the availability of open educational resources (OERs), where to find them, and what the advantages of OERs are. Math and computer science professor David Usinski is a strong advocate for OERs and was interviewed for the article. “The ability to customize the curriculum is one of David’s favorite benefits of OER. ‘The intangible aspect is that OER has allowed me to reinvent my curriculum and take ownership of the content. With a textbook, I am locked into the chapter-by-chapter approach by one or two authors,’ he says. Because of OER ‘I am no longer hindered or confined by published materials and now have the flexibility to create the curriculum that truly addresses the course outcomes.’ By freely sharing the content he creates, other instructors can also benefit.”
By Nick Congleton FFMPEG is a powerful command-line tool for manipulating your media files. Here are some of the FFMPEG commands you should know for managing your audio and video files.