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DevOps DevOps has been a game-changer domain in the last few years. Every organization, small or big, are implementing DevOps culture today. It helps in automating everything and making things easier by deploying the software quicker and in an efficient way. It is a mixture of cultural philosophies, practices, tools which helps the organizations to deliver services and applications at high velocity. It improves and evolves the product at a faster pace rather than using traditional approaches for software development and infrastructure management....

Compiling on a brand new server can take a long time in installing all the dependencies, libraries and if this is you regularly do then you can reduce the time by creating an RPM. Here I share with you httpd 2.4.4 rpm, that’s tested on CentOS 6.4x86_64 and I don’t see any reason that won’t work on UNIX system x86_64. httpd-2.4.4-1.x86_64.rpm mod_ssl-2.4.4-1.x86_64.rpm httpd-2.4.4-1.x86_64.rpm is a base package, which will install Apache httpd 2....

You will practice the main concepts of O.O.P, and how to use them in a fully functional application. Python is a multiparadigm programming language, which means that we as developers can choose the best option for each situation and problem. When we talk about Object-Oriented Programming, we are referring to one of the most used paradigms to build scalable applications, in the last decades. The basics of OOP We are going to take a quick look at the most important concept of O....

Since the first ‘modern’ programmable computer back in 1936 when the ground was set by Alan Turing’s Turing Machine, people have been finding new ways of improving the machine that could do work for us and process data instead of us. The humankind (or certain brilliant people) have come far since then, but we are still looking for the intellectual Perpetua mobile which will be able to learn instead of being programmed....

In Python, a dictionary is a powerful built-in data structure that stores data in key-value pairs. You’ll use the keys to tap into the dictionary and access the values. However, when you have multiple dictionaries in your Python script that are modified during code execution, you’ll often run into KeyErrors. And there are a few different ways you can handle them. In this tutorial, you will learn: What KeyErrors are and why they arise How to handle KeyErrorsHow to use Python’s defaultdict, a subclass that inherits from the built-in dict class, to handle missing keys better Let’s begin!...

According to recent security statistics, the number of personal data breaches and hacks has increased dramatically. COVID-19 has ramped up remote workforces that operate off cloud-based platforms paving the way for cyber attacks. And the rollout of 5G, which has led to the adoption of more connected devices, has also increased the attack surface for hackers looking to exploit sensitive personal data. What’s worse is research shows most companies don’t protect their sensitive data or have traditional security approaches that are largely ineffective, making them vulnerable to cyber-attacks....

The tcpdump tool can be of great help when resolving networking issues. The packets can be saved to a file and later analyzed. It is a good idea to run this tool occasionally to keep a watch over your network. What does the tcpdump output look like? tcpdump allows you to examine the headers of the TCP/IP packets. It prints one line for each packet, and command keeps running until you press Ctrl+C to terminate....

It functions as a pub/sub-system where producer applications publish messages, and consumer systems subscribe to them. Apache Kafka enables you to adopt a loosely coupled architecture between the parts of your system that produce and consume data. This makes designing and managing the system simpler. Kafka relies on Zookeeper for metadata management and synchronization of different elements of the cluster. Features of Apache Kafka Apache Kafka has grown popular, among other reasons, for being...

IBM released WebSphere Application Server (WAS) 9 initially on their cloud – Bluemix. And now it’s available for you to download and install it. I hope installation procedure will remain similar to the previous version but let’s see how it goes. If you are new to WebSphere then don’t forget to a chekout little introduction about it. In this article, I’ll explain step-by-step from where to download WAS 9 and install it using IBM Installation Manager....

97% of applications tested by Trustwave had one or more weaknesses. And 14% of investigated intrusion was due to misconfiguration. Misconfiguration can lead to serious risks. There is a number of online vulnerability scanner to test your web applications on the Internet. However, if you are looking to test Intranet applications or in-house applications, then you can use the Nikto web scanner. Nikto is an open-source scanner and you can use it with any web servers (Apache, Nginx, IHS, OHS, Litespeed, etc....

A YouTube video containing subtitles tend to perform better than one does not, with 12% more view time. It boosts SEO, engagement, sharing rate, and search rank for content producers. Video and audio streaming platforms, apart from YouTube, also see the difference. 85% of all social media content is watched with the sound off. In such cases, captions and subtitles are almost the only determining factor of viewer retention. There is a minor difference between “Captions” and “Subtitles”....

Security is as essential as the content and SEO of your website, and thousands of websites get hacked due to misconfiguration or lack of protection. If you are a website owner or security engineer and looking to protect your website from Clickjacking, code injection, MIME types, XSS, etc. attacks then this guide will help you. In this article, I will talk about various HTTP Headers (recommended by OWASP) to implement in multiple web servers, network edge & CDN providers for better website protection....

Most companies previously restricted marketing to newspapers, billboards, and other press-related advertisement methods. With the introduction of computers and technological advancements, marketing activities also started on technical platforms. Affiliate marketing is one form of marketing in which companies carry out their marketing activities with the help of blogs, microsites, email listings, video marketing, etc. It also makes use of third-party companies and websites. This article will discuss what affiliate marketing is, its work, and its pros and cons....

Google Chrome has a whopping global market share of 62.78%, according to a recent survey from Statcounter. Billions of internet users use Google Chrome for study, work, gaming, or entertainment. Since the target audience uses Google Chrome and Google Search Engine is the popular search platform for the internet, businesses also use Google Chrome for their marketing tactics. Thus, a ripple effect increases the overall usage of Google Chrome. However, many users reported that Google Chrome uses too much memory (RAM) of the computer....

Typically, streaming platforms, like Netflix, use the encryption technology known as Encrypted Media Extensions (EME), which blocks the user from taking screen captures, screenshots, or screen recordings of the content that the user is playing. This is done to safeguard the content of the video from copyright infringement. Netflix prohibits users from taking photos due to Digital Rights Management (DRM). DRM is a method to prevent copyright-related material from being copied by digital platforms....

In Python, you can use the sort() method to sort a list in place. Or you can use the built-in sorted() function to get a sorted copy of the list. In this tutorial, you’ll learn: Syntax of the sort() method and the sorted() functionCode examples of sorting lists in ascending and descending orderCustomize sort using the key parameterDifference between sort() vs sorted() Let’s start!👩🏽‍💻 Syntax of Python sort() Method The sort() method acts on a Python list....

Many people don’t depend on geo-restricted services, and honestly, Google finding out you like kittens over puppies doesn’t bother most people. So many people find VPN redundant. But is it really useless except for these circumstances? At its very core, a VPN will just redirect your connection to hide your IP address and encrypt your data. However, this simple change can completely change how you interact with the online world....

Follow these steps… If you are returning a user to Geek Flare, you will notice the change in design and URL structure. Well, after two years of running my blog on Joomla! I decided to migrate to WordPress for many reasons. If you were like my running blog on Joomla + K2 and would like to migrate them to WordPress then following steps would help you. 1. Migrate K2 items to Joomla Articles If you are migrating from Joomla articles, then you can skip this step....

Videos are the most sought-after, trending, and widely consumed content on the internet. Whether it is technology how-tos, online courses, webinars, professional meetings, and note-taking, videos are in full swing. You can easily transform your still images and texts on your computer screen into videos and post them along with blogs or articles to increase user engagement. If you think your tech skills are insufficient to accomplish this, read this article to learn how Camtasia Screen Recorder and Video Editor software can empower you....

Call it marketing or ease of use, Calendly is almost on every list talking about online appointment scheduling software. Personally, Calendly was my first online booking utility at my freelancing business. It is nearly perfect with a free plan, excellent native applications, and plenty of integrations. You can embed that in your website, share meeting links, reschedule, and have everything right in your calendar. Additionally, Calendly has superb collaboration features and supports reminders to reduce last-minute cancellations....