34 results for: dos
How to trim a video without downloading programs
You recently experienced one of the most epic concerts in recent years and now you're in the process of showing the videos you recorded to friends and family who, unfortunately, were unable to attend. However, in reviewing the recorded video, you've noticed that some scenes aren't quite right, so you're…
Category : Software 27-06-2023 by Janeth Kent
How to fix excessive MySQL CPU usage
What happens if we realise that a series of databases that we thought were optimised through the use of indexes, have begun to consume CPU usage time of a server to unsuspected limits? Even users have stopped being able to access the server when it had a certain number of visits…
Category : Development 21-12-2022 by Janeth Kent
How to connect to MySQL with Node.js
Let's see how you can connect to a MySQL database using Node.js, the popular JavaScript runtime environment. Before we start, it is important to note that you must have Node.js installed on your system. Likewise, you must create a MySQL database. Create a MySQL database If you haven't already done so, you can…
Category : Javascript 04-11-2021 by Silvia Mazzetta
What are React Hooks and what problems they solve
Working with React, - and before the release of Hooks in version 16.8 - there was always the possibility to create components in three different ways based on a number of suspects and needs: 1. Elementary components - These components are the simplest ones, they are characterized by being mere variables that…
Category : Javascript 13-05-2021 by Janeth Kent
Top Javascript Libraries and Frameworks Part 2
What are JavaScript frameworks? JavaScript frameworks are application frameworks that allow developers to manipulate code to meet their particular needs. Web application development is like building a house. You have the option of creating everything from scratch with construction materials. But it will take a long time and can incur high costs. But…
Category : Javascript 06-05-2021 by Janeth Kent
Network attacks and how to avoid them
Nowadays it is impossible to list all the different types of attacks that can be carried out on a network, as in the world of security this varies continuously. We bring you the most common ones according to the network attack databases, so that we can keep up to date…
Category : Security 03-05-2021 by Silvia Mazzetta
Top Whatsapp alternatives in 2021
From the communication platform WhatsApp leaves more and more users for different reasons. If you're one of them, there are a lot of possibilities on how to replace it with something better. We will show you what are the 5 free alternatives to WhatsApp to have a text or audio-video conversation…
Category : Software 26-01-2021 by
Dark Mode on website using CSS and JavaScript
In today’s article we are going to learn how to build pretty much standard these days on the web pages and that is the alternative color mode and switching between them. This is very useful when during night you want the user to be able to NOT suffer by staring…
Category : Css 10-11-2020 by
The BleedingTooth vulnerability and other Bluetooth security risks
Have you ever heard of BleedingTooth? And we do not mean the really disturbing looking mushroom which goes by this name and is totally real (we double checked) but one of the lately discovered vulnerabilities in Linux systems. It had hit the tech news recently, when Andy Nguyen, a Google security…
Category : Security 10-11-2020 by Iveta Karailievova
MAME Multiple Arcade Machine Emulator: How to download and configure this arcade emulator for Windows
Despite the fact that new state-of-the-art computer games are coming out every so often, the whole retro theme is very appealing to users who are looking to relive the long hours spent in front of a console, such as the NES or SNES, and even in arcades playing arcade machines.…
Category : Software 14-10-2020 by Luigi Nori
Popular DNS Attacks and how to prevent them
DNS services are essential for web browsing. However, it is one of the most vulnerable to attacks. This guide will detail the most dangerous DNS attacks and some actions that will protect the network infrastructure. One of the reasons why DNS services have some susceptibility to attack is the UDP transport…
Category : Security 20-07-2020 by Silvia Mazzetta
A collection of interesting networks and technology aiming at re-decentralizing the Internet
The decentralised web, or DWeb, could be a chance to take control of our data back from the big tech firms. So how does it work? Take a look at this collection of projects aimed to build a decentralized internet. Cloud BitDust - is decentralized, secure and anonymous on-line storage, where only…
Category : Networking 27-08-2020 by Janeth Kent
Dark Web: how to access, risks and contents
You've probably heard of the Dark Web before, but do you really know what the Dark Web is, or what it consists of? Do you know its risks? Which users use the Dark Web? What content is published? Would you know how to access the Dark Web safely? If you are reading…
Category : Security 13-06-2020 by Silvia Mazzetta
Xiaomi's high-tech masks: they disinfect themselves and work with your mobile phone's facial recognition
At this point in the pandemic, we have all become experts on masks to deal with the coronavirus outbreak. There are masks that protect you, that protect others, that last a few hours, that are single-use... and now there are also masks that are self-disinfecting and that also work with the…
Category : Technology 10-05-2020 by Silvia Mazzetta
Protect yourself: know which apps have access to your location, microphone and camera
When you install an application on your smartphone, you decide what permissions you give it, but it's not always clear. We tell you how to know if those permissions are too much... Smartphones have become the target of choice for hackers and criminals who want to make money or extort money…
Category : News and events 20-04-2020 by Silvia Mazzetta
Cross-Origin Resource Sharing (CORS) and examples of XSS and CSRF
Cross-Origin Resource Sharing (CORS) enables web clients to make HTTP requests to servers hosted on different origins. CORS is a unique web technology in that it has both a server-side and a client-side component. The server-side component configures which types of cross-origin requests are allowed, while the client-side component controls…
Category : Javascript 30-01-2020 by Luigi Nori
10 Open source tools for security operations (SOC)
As we know, there are many moving parts to building a Security Operations Centre (SOC). From a technological point of view, it is very important to count on open source to identify threats and reduce costs. From a DiD (Defense in Depth) point of view, there are many devices and…
Category : Security 29-11-2019 by Janeth Kent
10 Javascript tips and tricks you should know
Javascript is the most widely used language in fullstack development thanks to the boom in recent years in libraries and frameworks such as NodeJs (backend) and React/Angular/Vue (frontend). However, regardless of which one you use to develop, there are a number of tricks and tips common to all of them…
Category : Javascript 08-08-2019 by Janeth Kent
Core features overview of JavaScript syntax (ES6)
Several changes to JavaScript were introduced by ECMAScript 2015, also well-known as ES6. Here is a summary of a number of the foremost common options and syntactic variations, where applicable, with comparisons to ES5. Variables and constant comparison In the following table, we provide a brief overview of the concepts of scope…
Category : Javascript 11-05-2020 by Janeth Kent
The Meaning of Colors in web Design. A little bit of psychology
Color psychology is one of the most talked about and interesting parts of psychology. The idea that some colors evoke feelings and emotions. In fact, this color helps buy the most attractive product. You invest a great deal of time and money to create a convincing website design to increase…
Category : Web design 05-08-2019 by Janeth Kent
UX-UI: How to design better forms
Whether it is a signup flow, a multi-view stepper, or a monotonous data entry interface, forms are one of the most important components of digital product design. This article focuses on the common dos and don’ts of form design. Keep in mind that these are general guideline and there are…
Category : Ui/ux design 02-05-2020 by Silvia Mazzetta
How to Configure the Mod_Security Core Ruleset in Ubuntu
ModSecurity is a Web Application Firewall, a program that can be used to inspect information as it passes through your web server, intercepting malicious requests before they are processed by your web application. This tutorial will show you how to install ModSecurity on Apache, and configure it with some sensible rules provided…
Category : Servers 04-03-2017 by Janeth Kent
How to send an e-mail in 1984 - Vintage overdose
How to send an e mail 1980's style. Electronic message writing down the phone line. First shown on Thames TV's computer programme 'Database' in 1984 07/06/1984 Database is an old British TV show, broadcasted in 1984, which explains how the networks work before the modern Internet, but also the futuristic concept…
Category : Technology 01-10-2016 by Janeth Kent
What is a DDOS attack and tools used
A DOS attack is an attempt to make a system or server unavailable for legitimate users and, finally, to take the service down. This is achieved by flooding the server’s request queue with fake requests. After this, server will not be able to handle the requests of legitimate users. The denial…
Category : Security 04-05-2021 by Janeth Kent
How to Configure Cloudflare Flexible SSL with WordPress website
This article is part of a serie of articles about Wordpress optimization with Cloudflare and some kinds of servers, if you want to understand well read these articles before: Speed up your site and protect it against DDOS attacks with CloudFlare Million of visitors per day with a super cheap php mysql…
Category : Servers 03-12-2015 by Janeth Kent
Speed up your site and protect it against DDOS attacks with CloudFlare
If you have checked your site or blog, then you may noticed the page speed, YSlow, Timeline etc. An important factor to give fast content delivery to your blog’s reader and page speed, CND (Content Delivery Network) is must. The CDN makes your wordpress blog even faster to load, that…
Category : Networking 23-07-2014 by Luigi Nori
Google's 200 Most Important Ranking Factors
Domain Factors 1. Domain Age: Matt Cutts states that: “The difference between a domain that’s six months old verses one year old is really not that big at all.”. In other words, they do use domain age…but it’s not very important. 2. Keyword Appears in Top Level Domain: Doesn’t give the boost that it…
Category : Web marketing 30-03-2023 by Janeth Kent
10 Cheatsheets & Infographics For Social Media Marketers
How many time do you spend on your social media accounts? Do you use it a lot to market your wares, services, sites, tools or yourself? Online presence is the key to small business strategy. It is no longer enough to just have a company blog, every business must have a strong social…
Category : Web marketing 26-05-2020 by Janeth Kent
Useful list of commands for linux server management
List of checks that you can perform on a linux server to try and figure out why it keeps going down Disk Space: df -h (Make sure you have enough disk space) Memory: free -m (Check you're not out of memory) Processes / Load average top (shift + m) htop (Check for processes that are taking up a lot of…
Category : Networking 09-07-2013 by Janeth Kent
50 tools to reinvigorate your content marketing efforts
2012 has been the year of growth for content marketing. Brands have begun to embrace the discipline as a vital part of their overall strategy. What was once a conversation on “why content marketing” has turned into a conversation on “how to.” The current focus on social media advertising is pulling marketing attention…
Category : Web marketing 03-07-2013 by Janeth Kent
Install apache2 mod_security and mod_evasive on Ubuntu 12.04
This guide is intended as a relatively easy step by step guide to: Install and configure Apache2 ModSecurity and mod_evasive modules on Ubuntu 12.04 LTS server. Things have become much easier than before installing both these two excellent security modules for Apache2 in Ubuntu 12.04 LTS, as both modules are available in the…
Category : Networking 11-06-2013 by Janeth Kent
26 Free Typeface-Font eBooks for Designers
Since as far back as the 1450s, typefaces have been used in printing ( Do you remember Gutemberg? His major work, the Gutenberg Bible, also known as the 42-line Bible, has been acclaimed for its high aesthetic and technical quality.). Lead alloys were often cast into letters (or wood was…
Category : Web design 05-06-2013 by Janeth Kent
Mobile Malware Targets Android Phones: new Kaspersky Lab report
Are you a loyal Android fan as we are? Yes? Therefore, we have to accepted that malware targeting mobile devices is rapidly growing in both the number of variants found in the wild and in their complexity and sophistication, but the platform being actively targeted is Google's Android, which researchers now say is resembling Windows…
Category : Security 23-05-2013 by Janeth Kent
Content Knowledge Is Power
The power of web content is infinitely superior to what you think; in other words, it is much more important what you publish and what you transmit, than where you do it. But, curiously, we worry more about having a website with a "professional-attractive-clear-simple-serious-serious-awesome-impressive-impressive" design, than about what we are…
Category : Web marketing 19-10-2022 by Janeth Kent
