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This brief guide explains the three easiest ways to find the port number of a service in Linux operating system.

Natanael Copa's security-oriented Alpine Linux operating system has been updated to version 3.10.0, a major release that brings several new features, various improvements and bug fixes, as well as lots of updated components.

At KubeCon + CloudNativeCon Europe 2019 there were multiple sessions with BPF in the title where developers talked about how BPF can be used to help with Kubernetes security, monitoring, and even chaos engineering testing.

This article shows you how to find files using the Terminal which is the command line application in Ubuntu OS. We cover the three well-known methods to search for files on the shell: the find command, the locate command and the grep command.

WonderCMS is a free and open source flat file CMS, aimed to be extremely small, light and simple. In this tutorial, we will go through the WonderCMS installation and setup on the Debian 9 system by using Nginx as a web server, and optionally you can secure the transport layer by using Acme.sh client and Let's Encrypt certificate authority to add SSL support.

News briefs for June 20, 2019.

The Debian Project recently announced the general availability of a new security update for the intel-microcode firmware to patch the recently disclosed Intel MDS (Microarchitectural Data Sampling) vulnerabilities on more Intel CPUs.

Whether you are a system administrator or a database administrator, monitoring your MySQL server is an essential step towards diagnosing issues. You want real time monitoring on active connections, locks or queries that are running on your database. You also want to monitor active users, what they are running, as well as average query times. To monitor those metrics, we are going to build a complete MySQL dashboard using modern tools such as Grafana and Prometheus.

Plotting in a terminal has some serious limitations compared to building a gnuplot image in a new window.

The first article in this series introduced hashes, encryption/decryption, digital signatures, and digital certificates through the OpenSSL libraries and command-line utilities. This second article drills down into the details. Let’s begin with hashes, which are ubiquitous in computing, and consider what makes a hash function cryptographic.

On Friday, Mozilla issued a security advisory for Firefox, the default web browser in Fedora. This advisory concerns a CVE for a vulnerability based on type confusion that can happen when JavaScript objects are being manipulated. It can be used to crash your browser. There are apparently already attacks in the wild that exploit the […]

Same digit could be extended at Google as browser chaps 'evaluate the situation'. Amid Google's huffing and puffing over ad blockers, an update to Chromium-based browser Vivaldi puts privacy squarely in its sights.…

Lots of websites or blogs that discuss Linux, here are some cool sites that discuss Linux, Linux news, open source, and other things related to the Linux world!.

We have already discussed the while loop in our previous article. In this article, we will be covering the for loop. The for loop is one of the most widely used loops in programming. As you begin writing real code, you will find that you will almost always use for loop instead of while loop. Let us now have a look at it.

Elgg is an open-source social networking platform where users are able to build all kinds of social environments, such as a campus-wide social network for your university, school, or college, or an internal collaborative platform for your organization. It offers many additional features such as blogging, microblogging, networking, groups and much more. In this tutorial, we will show you how to install Elgg on an Ubuntu 18.04 VPS with the Nginx web server.

Lucid Vision Labs unveiled a MIPI-CSI2 equipped “Helios Embedded” version of its new Helios Time of Flight 3D camera that combines a Jetson TX2 with a Sony DepthSense IMX556PLR ToF sensor with under-5mm accuracy at 0.3 to 1.5 meters. Time-of-Flight (ToF) technology spans a range of infrared laser scanners from 3D imaging and navigation systems […]

Here at Codethink, we’ve recently focused our energy into enhancing the onboarding process we use for all new starters at the company. As we grow steadily in size, it’s important that we have a well-defined approach to both welcoming new employees into the company, and introducing them to the organization’s culture. read more

The free command provides information about the total amount of physical and swap memory as well as the free and used memory and swap space in the system.

In this article, we will show you how to install the latest version of Sublime Text (Sublime Text 3) on Ubuntu 18.04 LTS. You can use the same procedure for installing earlier versions too.

Ansible is one of the most popular automation engines in the world. It lets you automate virtually anything, from setup of a local system to huge groups of platforms and apps. It’s cross platform, so you can use it with all sorts of operating systems. Read on for more information on how to get the […]