Tags: Tools

Building Trust in Open Source: A Look Inside the OpenChain Project

Open source software provides businesses with a number of benefits including cost, flexibility and freedom. This freely distributed software can also be easily altered by any business that is familiar with its source code.  However, licensing issues do arise which could present a major hurdle for...
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Kubernetes, Docker, ContainerD Impacted by RunC Container Runtime Bug

The Linux community is dealing with another security flaw, with the latest bug impacting the runC container runtime that underpins Docker, cri-o, containerd, and Kubernetes. The bug, dubbed CVE-2019-5736, allows an infected container to overwrite the host runC binary and gain root-level code access...
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Performance Monitoring with OpenTracing, OpenCensus, and OpenMetrics

If you are familiar with instrumenting applications, you may have heard of OpenMetrics, OpenTracing, and OpenCensus. These projects aim to create standards for application performance monitoring and collecting metric data. Although the projects do overlap in terms of their goals, they each take a...
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VLC
VLC has for a long time been dubbed the best media playback tool for Linux; learn more about it and other music streaming options in this roundup from Jack Wallen.

5 Streaming Audio Players for Linux

As I work, throughout the day, music is always playing in the background. Most often, that music is in the form of vinyl spinning on a turntable. But when I’m not in purist mode, I’ll opt to listen to audio by way of a streaming app. Naturally, I’m on the Linux platform, so the only tools I have at...
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Testing, One Two Three: How These OPNFV Tools Can Help Any Open Infrastructure Project

As the number of open-source projects booms, so does the need for resiliency and interoperability testing. The Open Platform for NFV (OPNFV) community spent about four years of collective brainpower developing testing tools that can come in handy for open-source projects. Here’s a brief overview of...
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Open Sourcing ClusterFuzz

Fuzzing is an automated method for detecting bugs in software that works by feeding unexpected inputs to a target program. It is effective at finding memory corruption bugs, which often have serious security implications. Manually finding these issues is both difficult and time consuming, and bugs...
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15 Docker Commands You Should Know

In this article we’ll look at 15 Docker CLI commands you should know. If you haven’t yet, check out the rest of this series on Docker concepts, the ecosystem, Dockerfiles, and keeping your images slim. In Part 6 we’ll explore data with Docker. I’ve got a series on Kubernetes in the works too, so...
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The Linux Command-Line Cheat Sheet

When coming up to speed as a Linux user, it helps to have a cheat sheet that can help introduce you to some of the more useful commands. In the tables below, you’ll find sets of commands with simple explanations and usage examples that might help you or Linux users you support become more...
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ampersand
This tutorial takes a closer look at the ampersand (&) and the various ways it can be used at the command line.

And, Ampersand, and & in Linux

Take a look at the tools covered in the three previous articles, and you will see that understanding the glue that joins them together is as important as recognizing the tools themselves. Indeed, tools tend to be simple, and understanding what mkdir, touch, and find do (make a new directory, update...
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Learn to Use curl Command with Examples

Curl command is used to transfer files to and from a server, it supports a number of protocols like HTTP, HTTPS, FTP, FTPS, IMAP, IMAPS, DICT, FILE, GOPHER, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP etc. Curl also supports a lot of features like proxy...
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