The lsof command in Linux displays in its output information about files that are opened by processes. In this article, we will discuss the Linux lsof tool, using 15 easy-to-understand examples.

Interested to learn about docker daemon? Check our article explaining how to configure HTTP(s) proxy for docker daemon process.

Software interrupts on Linux and Unix systems are made via signals. There are many different Linux signals, but a few stand out and are important to understand and know: SIGINT, SIGTERM, and SIGKILL. Here’s how they work.

Chromebooks have had Linux support for such a long time by now, you'd be forgiven if you forgot that Linux has only ever been in beta testing for all

Linux runlevels distinguish between system operating states. Switching runlevel will change the services which are running. You can customise runlevels so each level starts with a specific set of services.

Whether I'm using a laptop my employer assigned to me or a workstation I built from vendor parts, I seem to have an endless capacity to forget my computer's specifications.

Introduction Hey now, you have probably went through numerous job-hunting websites and you memorized all the buzzwords (Junior Sysadmin; Junior Site Reliability Engineer; NOC Engineer; System support;...

Have you ever broken apt? For seasoned Linux professionals, it’s quite common (about every half year) to unwittingly break apt. If you know a few commands in dpkg, you can often fix the issue more easily! Find out how.

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Have you ever heard of tmpfs in Linux? It is that small temporary file system residing within memory and installed by default on Linux distributions. Ultra-fast but usually limited in size. Can one grow it easily? Find out & more!

Logic gate: a cool term, but what does it mean? This article will introduce the concept of a logic gate as well as describe how each specific logic gate (OR, AND, XOR, NOR, NAND, XNOR, and NOT) works.

JingOS 0.9 is available to download. Those going hands-on with this dev update to the iPad-inspired Linux distro have lots of enjoy — full details inside!

Phoronix is the leading technology website for Linux hardware reviews, open-source news, Linux benchmarks, open-source benchmarks, and computer hardware tests.

A useful feature in almost every command-line environment is the environment variable.

Use the open source NLP tool voice2json to execute terminal using commands only your voice

I am a control freak. I like to be in control. I got my pilot’s license so I could fly an airplane for fun, but it also helped me understand what is happening when I fly commercial. So now I find myself explaining to other travelers that, while not a normal…

Compiling source code produces a binary. During compilation, you can provide flags to the compiler to enable or disable certain properties on the binary. Some of these properties are relevant to security. Checksec is a nifty little tool (and shell noscript)…

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