111 results for: linux
How to generate an SSH key and add it to GitHub
In this short tutorial we are going to see how you can generate a new SSH key and add it to GitHub, so you can access your private repositories and manage them locally or from your server, running the commands git pull, git push and any other that has restrictions. This…
Category : Programming 22-05-2023 by Janeth Kent
How to download any video from any website
If you have ever seen a video that you really liked and you would have liked to have it on your computer, but you didn't know how, from now on you will know it, since we are going to see which are the tools that allow us to do this…
Category : Technology 16-05-2023 by Janeth Kent
Open source web design tools alternatives
There are many prototyping tools, user interface design tools or vector graphics applications. But most of them are paid or closed source. So here I will show you several open source options for you to try and use the one you like the most. Penpot Penpot is the first open source design…
Category : Web design 03-06-2022 by Nadal Vicens
Node.js and npm: introductory tutorial
In this tutorial we will see how to install and use both Node.js and the npm package manager. In addition, we will also create a small sample application. If you have ever used or thought about using a JavaScript-based development tool, you have probably noticed that you need to install…
Category : Javascript 05-11-2021 by Silvia Mazzetta
How to set up your own free web server with XAMPP
Nowadays anyone can create their own website easily and free of charge. Whether through a CMS (such as WordPress) or by hand with HTML, CSS and JavaScript, in a few minutes we can have a more or less functional website up and running. However, in order to test that everything…
Category : Servers 25-10-2021 by Silvia Mazzetta
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
How To Use Varnish As A Highly Available Load Balancer On Ubuntu 20.04 With SSL
Load balancing with high availability can be tough to set up. Fortunately, Varnish HTTP Cache server provides a dead simple highly available load balancer that will also work as a caching server. The modern use of SSL/TLS for all traffic has made this a little harder as Vanish has to handle…
Category : Servers 25-04-2021 by Janeth Kent
6 Best Alternative Privacy Focused Browsers in 2021
In today's article we take a look at free private browsers which are relevant in 2021. We will compare their advantages and disadvantages, specs, etc. Let's get into it. What are alternative browsers? Alternative browsers are mostly trying to increase browser security, by various methods, such as browser hardening, sandboxing, encryption forcing, etc. When…
Category : Software 22-04-2021 by
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
Python or Swift: Revealing Benefits and Drawbacks of Each Language and Their Differences
Programming languages constantly evolve to improve software performance and simplify developers’ lives. That’s why the programming languages’ ranking is so unstable. Popular languages change every year. While some become outdated and uninterested due to poor features, others get ahead of the ranking because of frequent updates and outstanding performance. There…
Category : Programming 04-03-2021 by
A beginner’s guide to software vulnerabilities
What are software vulnerabilities The number of devices connected to the Internet is growing every day. And among those devices we find not only computers and smartphones, but also an ever-rising number of cameras, smoke detectors, motion sensors, smart door locks, and let’s not forget that even plant pots. Many households…
Category : Security 17-11-2020 by Iveta Karailievova
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
Why You Should Hire Node.js Developer for Your Backend Development
When developers are building a new website, they mainly focus on both frontend and backend development. The frontend code helps create the interfaces through which the app interacts with the users while the back-end code interacts with the server to deliver data or content that is displayed to the website…
Category : Javascript 27-10-2020 by Luigi Nori
Network and port scanning with Zenmap
This article goes out to all the computer nerds who are, when it comes to networking, more on the noob-side of the crowd. It does not have to be complicated and everyone with patience and eagerness to learn something new can relatively quickly gain the knowledge necessary to feel more…
Category : Security 08-10-2020 by Iveta Karailievova
How to securely access the Dark Web in 15 steps. Second part
Let's continue with the 2nd part of our article in which we try to give you some advice on how to safely and securely explore the dark web. Let's restart from number 6. 6. Changes the security level in the Tor browser It is also possible to increase the security level of the…
Category : Security 19-09-2020 by Janeth Kent
How to securely access the Dark Web in 15 steps. First part
The dark web can be a pretty dangerous place if you don't take the right precautions. You can stay relatively safe with a good antivirus and a decent VPN. However, if you want to be completely anonymous and protect your device, you'll need a little more than that. Here there are…
Category : Security 04-05-2021 by Silvia Mazzetta
How to install a Linux partition on a Windows 10 PC
In spite of a past we could say almost confronted, the approach between Windows and Linux is accelerating more and more, drawing a story closer to love than to hate. So much so that Windows 10 already offers support for Linux natively. Creating a subsystem is no longer penalized. A…
Category : Operating systems 06-09-2020 by Luigi Nori
How to configure Tor to browse the deep web safely
Today we explain how to set up Tor to browse safely, and we'll share some links to safe sites on the deep web to get you started. Many already know that not everything on the Internet appears in Google, Yahoo, Bing or other search engines, and that accessing much of this…
Category : Security 12-08-2020 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
WSL2 is released to run Linux distributions on Windows
If you are reading about this for the first time, the Windows Subsystem for Linux is a kind of virtual machine that allows you to run the Linux terminal on the Microsoft system (Windows). From this terminal we can use tools as long as the necessary packages are installed. Now with…
Category : Servers 07-07-2020 by Janeth Kent
How to get into the Deep Web: a guide to access TOR, ZeroNet, Freenet and I2P
We would like to present you with a guide that will allow you to enter the main darknets that make up the Dark Web, colloquially known as the Deep Web, although this last term has another meaning. The hidden Internet or Dark Web is a portion of the network in…
Category : Security 07-05-2020 by Janeth Kent
Linux For Dummies: Permissions
In the previous articles I made a short introduction to the Unix world and in the following article I have dealt with the basic commands for the file system management. Today we are going to talk about permissions. We are going to take Ubuntu as an example, but in the other distros the working mechanism…
Category : Operating systems 14-03-2020 by Alessio Mungelli
How to Install Node.js and NPM on Ubuntu 18.04
Node.js is a JavaScript platform for general programming that allows users to create network applications quickly. By leveraging JavaScript in both frontend and backend, Node.js makes development more uniform and integrated. Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. runtime for easily building fast, scalable network applications. In this…
Category : Development 24-04-2020 by Luigi Nori
How to find everything you need on the Deep Web and the Dark Web
How to find everything you need on the Deep Web and the Dark Web Best links, sites, markets what you can find on the Deep Web The Deep Web is also known as the Deep Internet is a sort of layer of content that is not indexed by the search engines…
Category : Security 10-05-2021 by Silvia Mazzetta
Linux for Dummies: Ubuntu Terminal
I introduced in the previous article, available here, the basic concepts concerning the Linux world. Today we are going to have a look to some basic operations that we can perform using the terminal in an Ubuntu-like operating system. What is the command line? Shell, terminal and command line are words that commonly stand for a…
Category : Operating systems 27-02-2020 by Alessio Mungelli
Linux for Dummies: Introduction
If you have thought about migrating from Windows to a Unix operating system, or Linux specifically there are things you should know. The goal is to give essential information (and not) to take the first steps in the world of the "penguin". What is Linux? With the word Linux we commonly refer…
Category : Operating systems 21-08-2020 by Alessio Mungelli
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
The Best Free Alternatives to Adobe Lightroom
Adobe applications are very important to people or professionals in video, image, and audio editing. Adobe Lightroom is a photography program developed for mobile phones, Mac OS and Windows, especially for photographers or digital imaging enthusiasts. The program works perfectly but is being very expensive for many people and today…
Category : Multimedia 15-07-2019 by Janeth Kent
Now you can download the new Windows terminal: new, modern, fast, efficient, and powerful.
Microsoft has announced its new Windows Terminal, which will bring together PowerShell, CMD and WSL, includes a real Linux kernel that allows you to run more Linux software on Windows and with better performance than WSL 1 in one place to end the diversification that currently has the operating system…
Category : Software 26-06-2019 by Janeth Kent
How to Create your own custom Linux system, step by step
Here is some information where you can learn step by step how to customize a Linux distribution to create your own Linux. If we follow the steps, even the less experienced will be able to create their own Linux to their liking. Personalizing a distribution not only serves to have a…
Category : Operating systems 14-06-2019 by Janeth Kent
The Best RSS Readers for Ubuntu
Even if most of the tech experts actively claim that RSS (Rich Site Summary) is dead especially after Google Reader was discontinued 5 years ago but it isn’t yet as still many people rely on RSS to get the latest news, podcasts, videos etc. and almost every website is still…
Category : Software 19-02-2019 by Janeth Kent
A roadmap to becoming a web developer in 2019
There are plenty of tutorials online, which won't cost you a cent. If you are sufficiently self-driven and interested, you have no difficulty training yourself. The point to learn coding I think is to read a lot of code of other developers, then typing code and testing to see what…
Category : Programming 30-05-2019 by Janeth Kent
Most Popular Node.js Frameworks in 2019
Before Node.js, web developers always faced the issue of having to use different languages for client-side and server-side scripts. JavaScript was traditionally the language for client-side scripting with the HTML code running in the browser. The invention of Node.js in 2009 introduced server-side scripting with JavaScript code running on the…
Category : Javascript 14-02-2019 by Janeth Kent
Configuring DNS-over-TLS and DNS-over-HTTPS with any DNS Server
The new DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH) protocols are available for enabling end user's privacy and security given the fact that most DNS clients use UDP or TCP protocols which are prone to eavesdropping, vulnerable to Man-in-the-Middle (MitM) attacks and, are frequently abused by ISPs in many countries with Internet…
Category : Networking 27-12-2018 by Janeth Kent
80 Linux Network Monitor Software & Tools for Managing & Monitoring Unix/Linux Systems
It’s hard work monitoring and debugging Linux performance problems, but it’s easier with the right tools at the right time. Finding a Linux Network Monitor tool or Software package for your Critical servers and services that are running on those systems in one of the most (if not the most)…
Category : Security 23-10-2018 by Janeth Kent
How to install Letsencrypt Certificates with Certbot in Ubuntu
In this article we will explain how to install, manage and configure the SSL Security certificate, Let's Encypt in NGINX server used as proxy. This certificate is free but does not offer any guarantee and has to be renewed every 3 months. We recommend that users with shell access use the…
Category : Servers 09-05-2020 by Janeth Kent
How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail
Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu 16.04 with iRedMail under 30 minutes. What is iRedMail? iRedMail is a shell…
Category : Networking 30-03-2023 by Janeth Kent
Useful Terminal Commands Every Web Developer Should Know About
The command line interface (CLI), or Terminal is considered by many to be the Holy Grail of computer management. At one time the CLI was the only way to accomplish anything on a computer; then, the CLI gave way to the graphical user interface (GUI) as the popularity of PCs…
Category : Operating systems 22-06-2018 by Janeth Kent
Best Websites to Learn Coding Online
You know and we know that it’s totally possible to learn to code for free... If you can teach yourself how to write code, you gain a competitive edge over your peers, you can think more algorithmically and thus can tackle problems more efficiently. But what are the best resources to achieve…
Category : Programming 19-06-2018 by Janeth Kent
The best Free and Open-Source Video editing, VFX and compositing software
The programs listed below are the foundation of this blog. It’s Free & Open-Source Video Editing Software that does all the stuff the expensive commercial programs do. We’ll keep the links here updated, so you always know where to get them. Also, with this basic list, we are focusing on well-developed programs that work on…
Category : Multimedia 01-03-2021 by Janeth Kent
GIMP 2.10 released: Features 32-bit support, new UI and A Ton Of Improvements
It's been over a half-decade since the GIMP 2.8 stable debut and today marks the long-awaited release of GIMP 2.10, its first major update in six years. And among other things, it brings basic support for HiDPI displays. Earlier versions of GIMP used icons that used the same number of pixels…
Category : Multimedia 07-06-2018 by Janeth Kent
Send Push Notification to Users Using Firebase Messaging Service in PHP
Today I will show you how to send unlimited free push notifications to your clients using Firebase Cloud Messaging (FCM) in your PHP web application. Push Notifications are clickable messages that come from a website. They are used to show notifications outside the web page context even if the user is not browsing…
Category : Php 14-05-2018 by Janeth Kent
Setting Up SFTP on Ubuntu 16.04
I recently had a request to setup SFTP for a customer so they could manage a set of files in their environment through an FTP GUI. Being an avid user of command line tools like SCP I haven’t needed to set up FTP or SFTP in many years. So I…
Category : Operating systems 12-03-2018 by Janeth Kent
ArangoDB, install and configure the popular Database in ubuntu 16.04
Introduction to ArangoDb, open source, NoSQL, multi-model database BigData seems to be getting stronger every day and more and more NoSQL databases are coming out to the market, all trying to position themselves in the lead to be the reference. This week I tried ArangoDB! Another NoSQL database? Today I'm going to…
Category : Databases 14-11-2017 by Janeth Kent
Image Optimizers for various platforms
Image Optimizers for various platforms Linux Trimage (GUI) — similar to ImageOptim and uses many of the same lossless tools under the hood. ImageOptim Web Service (HTTP API) — resize and optimize images in your web applications. Online interface for MozJPEG — a JPEG compressor that produces smaller, higher quality files. The web interface…
Category : Software 15-05-2017 by Janeth Kent
5 best open source version control systems tools for sysadmins
As a system admin, the chances are you collaborate with multiple people across the company, therefore you will probably know the stress of constantly transferring files and version controlling the changes. Version control tools are a great way to enable collaboration, maintain versions, and track changes across the team. Perhaps the…
Category : Software 13-05-2017 by Janeth Kent
How to Choose a Laptop for Web Design and Development
Efficiency is important at work, no matter the type of job you do. The better the tools that you use, the more productive you are. So if you’re a web designer, you want a laptop that will be able to handle all your software with ease. However, how do you…
Category : Technology 16-12-2019 by Janeth Kent
The Best Lightweight Linux Distributions For Older PC's
What do you do with your old computers? The one which once had good hardware configuration but now those are considered outdated. Why not revive your old computer with Linux? I am going to list seven beginner friendly lightweight Linux distributions that you can use on your older PC. Best Lightweight…
Category : Operating systems 12-03-2017 by Janeth Kent
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
Install Shotcut Video Editor in Ubuntu 16.04, 16.10
The Shotcut video editor software has reached the 16.11 release, here’s quick tip for how to install it in Ubuntu 16.04, Ubuntu 16.10. Shotcut is a free, open source, and cross-platform video editor for Windows, Mac and Linux. Major features include support for a wide range of formats, no import required…
Category : Multimedia 25-02-2017 by Janeth Kent
How to Install Syncthing on Ubuntu 16.04
This tutorial shows how to install Syncthing on Ubuntu 16.04 Desktop LTS Xenial Xerus. Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, mobile phones or even servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation,…
Category : Networking 17-02-2017 by Janeth Kent
How to Connect to a Remote Server via SSH from a Linux Shell
Introduction Secure Shell (SSH) is a UNIX-based command interface and protocol for securely getting access to a remote computer. SSH is actually a suite of three utilities - slogin, ssh, and scp - that are secure versions of the earlier UNIX utilities, rlogin, rsh, and rcp. SSH commands are encrypted and…
Category : Servers 16-02-2017 by Janeth Kent
Setup FTP server with VSFTPD in Ubuntu 16.04
Introduction FTP, short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. It has since been replaced by faster, more secure, and more convenient ways of delivering files. Many casual Internet users expect to download directly from their web…
Category : Servers 14-02-2017 by Janeth Kent
How to Disable Strict SQL Mode in MySQL 5.7 and Ubuntu 16.04
If your app was written for older versions of MySQL and is not compatible with strict SQL mode in MySQL 5.7, you can disable strict SQL mode. For example, apps such as WHMCS 6 and Craft 2 do not support strict SQL mode. If you're using WHMCS 7, see our article…
Category : Databases 18-02-2019 by Janeth Kent
How to install and setup Varnish in Ubuntu 16.04
One of the problems with running a site with many users is that the constant requests for dynamic content can really bog down a web server. In order to solve this problem, many big companies turn to a tool called Varnish. It’s an HTTP accelerator that caches both static and…
Category : Networking 02-01-2017 by Janeth Kent
Install Apache, MariaDB and PHP7 on Ubuntu 16.04
Ubuntu 16.04 LTS Xenial Xerus comes with PHP7 by default so you don’t have to rely on third-party PPA to get PHP7 installed. In this tutorial, we are going to look at how to install Apache, MariaDB and PHP7 (LAMP stack) on Ubuntu 16.04 LTS Xenial Xerus. Update: This tutorial is…
Category : Servers 18-11-2016 by Janeth Kent
How to force screen/s resolution in Ubuntu and make it permanent
Sometimes our ubuntu drivers don't work so well as we espect with our screens, most of the time we get a low resolution in our screens and cannot change it via GUI, fortunately using xrandr we can easily configure our screens to force them to a better resolution. First of all,…
Category : Software 09-11-2016 by Janeth Kent
Install Memcache in Ubuntu 16.04
Memcache is an in-memory key-value store that is ideal for speeding up infrastructure. Perhaps a slow operation needs access to rarely-changing data, or files are accessed on slow storage systems. By integrating Memcache, the result of slow queries or reads can be keyed to a unique value, and future accesses…
Category : Databases 28-09-2016 by Janeth Kent
Ubuntu servers security: 25 security tools to armor your system
The Ubuntu repositories contain several useful tools for maintaining a secure network and network administration.This security tools include network scanning,attack detection,Virus Detection etc. 1) Wireshark -- network traffic analyzer Wireshark is a network traffic analyzer, or "sniffer", for Unix and Unix-like operating systems. It is used for network troubleshooting, analysis, software and…
Category : Servers 14-09-2016 by Janeth Kent
Install Syncthing on Ubuntu 16.04 using Debian Repository
Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation, modification or deletion of files on one machine will automatically be replicated to your other devices. Syncthing…
Category : Servers 19-08-2016 by Janeth Kent
SQLMAP installation and usage in Ubuntu and Kali linux
Let's talk about the penetration testing using one of the KALI linux tool called SQLMAP. What is SQLMAP? sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It is a open source tool to use sql injection…
Category : Security 13-08-2016 by Janeth Kent
PHP7: Install PHP7 with NGINX and MEMCACHE in Ubuntu 14.04
Let's install PHP7 and Nginx on a new Ubuntu 14.04 server, and manually build the (not yet packaged) memcached module for PHP7. Command Rundown Update: It looks like the php-memcached package was built into ppa:ondrej/php-php7.0 for php7, so the manual build steps is probably not necessary any longer! Install it via the…
Category : Servers 05-12-2018 by
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
PHP:How To Upgrade to PHP 7 on Ubuntu 14.04
Introduction PHP 7, which was released on December 3, 2015, promises substantial speed improvements over previous versions of the language, along with new features like scalar type hinting.This guide explains how to quickly upgrade an Apache or Nginx web server running PHP 5.x (any release) to PHP 7. Warning: As with…
Category : Operating systems 13-03-2016 by Janeth Kent
Install HHVM + Nginx on Ubuntu 14.04
The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx web server. The backend data is stored in MySQL and the dynamic processing is handled by…
Category : Networking 12-05-2017 by Janeth Kent
Display Linux TCP / UDP Network and Socket Information with the 'ss' command
The ss command is used to show socket statistics. It can display stats for PACKET sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets, and more. It allows showing information similar to netstat command. It can display more TCP and state information than other tools. It is…
Category : Networking 23-05-2020 by Janeth Kent
PHP7: Guide and References to all the changes between version 5.x and 7 of PHP
PHP 7 was released on December 3rd, 2015. It comes with a number of new features, changes, and backwards compatibility breakages that are outlined below. Performance Features Combined Comparison Operator Null Coalesce Operator Scalar Type Declarations Return Type Declarations Anonymous Classes Unicode Codepoint Escape Syntax Closure call() Method Filtered unserialize() IntlChar Class Expectations Group use Declarations Generator Return Expressions Generator Delegation Integer Division with intdiv() session_start() Options preg_replace_callback_array() Function CSPRNG Functions Support…
Category : Php 27-12-2015 by Janeth Kent
The Best Free SSH Tabbed Terminal Clients for Windows
PuTTy is an emulator for the terminal. It allows you to log into another computer that can be on the same network or accessed via the internet. The basic program has no security, but you can add authentication and encryption to SSH to protect internet connections. The tool also includes…
Category : Networking 05-05-2021 by Janeth Kent
How to Create a .ONION Website and Domain With Tor Network
Not a lot of people know about .onion websites, not many people actually use it. .ONION websites are used by people who want to stay anonymous. In addition, .onion websites are the first layer of the Deep Web. Which is basically described in the picture bellow As many websites say, the…
Category : Networking 02-11-2014 by Janeth Kent
PHP: list of best awesome PHP libraries
It is an exciting time to be a PHP developer. There are lots of useful libraries released every day, and with the help of Composer and Github, they are easy to discover and use. Here is a complete list of the coolest that We’ve come across. Package Management Libraries for package and…
Category : Php 27-04-2014 by Janeth Kent
HowTo Create Linux Swap On Ubuntu 12.04
About Linux Swapping Linux RAM is composed of chunks of memory called pages. To free up pages of RAM, a “linux swap” can occur and a page of memory is copied from the RAM to preconfigured space on the hard disk. Linux swaps allow a system to harness more memory than…
Category : Networking 10-02-2014 by Janeth Kent
10 Server and network monitoring tools
When you have a website or a network, it’s helpful to be aware of any issues as soon as they occur. There are open source and freeware server/network monitoring tools that will supervise your infrastructure for any issues that may arise. These tools are meant to aid you in avoiding…
Category : Networking 04-02-2014 by Janeth Kent
Syncronize Files Between Servers With RSYNC
Synchronize Files With rsync Synchronizing files from one server to another is quite awesome. You can use it for backups, for keeping web servers in sync, and much more. It's fast and it doesn't take up as much bandwidth as normal copying would. And the best thing is, it can be…
Category : Networking 03-02-2014 by Janeth Kent
Install Bit Torrent Sync on Ubuntu
There are some great tools for syncing files over the internet available to us, but one stands out from the rest in regards of technology used and possible use cases. A public beta version was released in June this year and now it’s available for Windows, Mac, Linux, FreeBSD, Android and…
Category : Networking 15-01-2014 by Janeth Kent
GIT - the simple guide
setup Download git for OSX Download git for Windows Download git for Linux create a new repository create a new directory, open it and perform a git init to create a new git repository. checkout a repository create a working copy of a local repository by running the command git clone /path/to/repository when using a remote server, your command will be git…
Category : Software 13-01-2014 by Janeth Kent
Ubuntu: How To Start Program As Service
According to Ubuntu’s Upstart website, “Upstart is an event-based replacement for the /sbin/init daemon which handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.”Basically, Upstart is an init daemon that replaces the /etc/init.d scripts.It comes with Ubuntu 6.10 and…
Category : Networking 10-10-2013 by Janeth Kent
How to detect r57 and c99 Shells in your server
When malicious intruders compromise a web server, there's an excellent chance a famous Russian PHP script, r57shell, will follow. The r57 and C99 shell PHP script gives the intruder a number of capabilities, including, but not limited to: downloading files, uploading files, creating backdoors, setting up a spam relay, forging…
Category : Security 26-07-2013 by Janeth Kent
The best code editor for web developers
Every web developer requires the right tools to do their job, therefore the choice of a source code editor shouldn’t come lightly. This is where we spend most of our development time and where productivity is gained or lost on a grand scale. But which is the best Code Editor? To determine the best source code editor, we…
Category : Software 25-07-2013 by Janeth Kent
21 PHP Libraries You Should Know About
The aim of the Standard PHP Library-or SPL is to provide a standard library of interfaces which allows developers to take full advantage of object-oriented programming in PHP. Therefore in this article we have collected 21 of the best PHP Libraries which will assist and help developers to simplify their work and serve…
Category : Programming 24-07-2013 by Janeth Kent
Setup and Manage Mysql/MysqlAdmin root password
Managing mysql main root password is one of the most common questions/problems that new linux users have, and one of the essential tasks. By defaultroot user is MySQL admin account. The Linux / UNIXlogin root account for your operating system and MySQL root aredifferent. They are separate and nothing to…
Category : Databases 18-07-2013 by Janeth Kent
How to Easily Install Hadoop in Ubuntu 12.10
This tutorial covers the installation steps of Apache Hadoop 1.0 and 2.0 in Ubuntu Linux. I will also go through the configuration for running it on pseudo-distributed mode. Pre-Requisites Java 6 or later (Hadoop is written in Java) Linux OS (Windows is supported only in development mode. Other flavors of…
Category : Databases 11-07-2013 by Janeth Kent
Top 15 Free Hacking Tools for Ethical Hackers
Intrusion tests, known as "Penetration Analysis" or "Ethical Hacking", are now a common practice to know the level of security a website has. These tests assess the type and extent of system and network vulnerabilities in terms of confidentiality and integrity. They check the security of the network and empirically verify…
Category : Security 19-06-2020 by Silvia Mazzetta
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
Setup SSL Certificate on Apache and Ubuntu 12.04
How to Create a SSL Certificate on Apache for Ubuntu 12.04 About SSL Certificates A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can issue SSL certificates that…
Category : Networking 02-07-2013 by Janeth Kent
Syncronize Files Between Two Ubuntu Servers Using Unison and Incron
File Synchronization Between Two Ubuntu Servers using Unison Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating…
Category : Networking 21-06-2013 by Janeth Kent
Install and Configure Varnish with Apache multiple Virtual Hosts on Ubuntu 12.10
About Varnish Varnish is an HTTP accelerator and a useful tool for speeding up a server, especially during a times when there is high traffic to a site. It works by redirecting visitors to static pages whenever possible and only drawing on the virtual private server itself if there is a…
Category : Networking 21-06-2013 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
How To Uninstall Apache 2
This is a little tip that we can share to manage your linux box server, below you can see the consolle command to uninstall apache webserver sudo update-rc.d -f apache2 remove
Category : Networking 30-05-2013 by Janeth Kent
How to enable YouTube's Feeling Lucky Feature
YouTube has a cool feature that generates a playlist of 10 recommended videos. Make sure you are logged in and visit this page. There's an experiment that places a "play" button next to the YouTube logo, by which you can generate the "I'm Feeling Lucky" playlist. If you don't like the playlist, click the…
Category : Software 30-05-2013 by Janeth Kent
Setting the Hostname (FQDN) in Linux Servers
Here we will show how to set your system's hostname and fully qualified domain name (FQDN). Your hostname should be something unique. Some people name their servers after planets, philosophers, or animals. Note that the system's hostname has no relationship to websites or email services hosted on it, aside from providing…
Category : Networking 29-05-2013 by Janeth Kent
Firefox OS tablet will be unveiled next week
At Mobile World Congress 2013 in Barcelona, we got a look at the first smartphone to run Mozilla’s Firefox OS, the ZTE Open. The new OS is a Linux-based open-source effort designed to offer an alternative to the proprietary ecosystems of its rivals, harnessing standards-based HTML5 web apps, combined with JavaScript and…
Category : Operating systems 29-05-2013 by Janeth Kent
The Best Free Online Photo Editors
Online photo editors offer a quick and effective way to edit images and allows the everyday person to take their photos one step further without having the technical knowhow that a photographer would. Today we are sharing 10 online photo editors for all of your quick fix photography needs. PIXLR Pixlr is an…
Category : Software 22-07-2021 by Janeth Kent
How to Install Skype in Lubuntu 12.10
Open terminal and edit sources.list: Code: sudo nano /etc/apt/sources.list Uncomment these hashes (#) Code: deb http://archive.canonical.com/ubuntu quantal partner deb-src http://archive.canonical.com/ubuntu quantal partner after this step execute the update command: Code: sudo apt-get update && sudo apt-get install skype et voilá skype will be installed in your lubuntu distro.
Category : Operating systems 28-05-2013 by Janeth Kent
Million of visitors per day with a super cheap php mysql server using nginx and varnish
These instructions are the rather verbose, but hopefully easy enough to follow, steps to build a new Linux server using Varnish and Nginx to build a php application on a cheap server , all costing under $15 a month, capable of sustaining million hits per day, (we use blitz.io to…
Category : Networking 28-05-2013 by Janeth Kent
Ubuntu UFW Firewall - Uncomplicated Firewall for Ubuntu
Introduction to UFW - Uncomplicated Firewall The default firewall configuration tool for Ubuntu is ufw. Developed to ease iptables firewall configuration, ufw provides a user friendly way to create an IPv4 or IPv6 host-based firewall. By default UFW is disabled. Gufw is a GUI that is available as a frontend. Basic Syntax and…
Category : Networking 27-05-2013 by Janeth Kent
Firefox 21 released for Windows, Mac, Linux and Android
Mozilla on Tuesday officially launched Firefox 21 for Windows, Mac, Linux, and Android. Improvements include the addition of multiple social providers on the desktop as well as open source fonts on Android. The new desktop version was available yesterday on the organization’s FTP servers last night, but that was just the…
Category : Software 14-05-2013 by Janeth Kent
Open Compute Project To Develop An Open Switch
In the realm of data centers and networking, the Open Compute Project (OCP) has emerged as a driving force for innovation and collaboration. Founded by Facebook in 2011, the OCP aims to accelerate the development and adoption of open hardware and data center designs. With its mission to make data center…
Category : Networking 29-05-2023 by Janeth Kent
Super Stealthy Backdoor Spreads To Hit Hundreds Of Thousands Of Web Users
One of the most sophisticated web server backdoors ever seen has spread fast and is now sitting on hundreds of webservers running some of the most popular websites in the world, researchers have warned. One expert told TechWeekEurope the Cdorked backdoor, brought to light in April, is almost as smart as Stuxnet, the malware which disrupted…
Category : Security 09-05-2013 by Janeth Kent
Mozilla launches Firefox OS Simulator 3.0
Mozilla on Thursday announced the release of Firefox OS Simulator 3.0, polishing all the features in the preview release as well as making a few more improvements. You can download version 3.0 now for Windows, Mac, and Linux from Mozilla Add-Ons. The simulator installs as an extension in Firefox, so you’ll need Mozilla’s browser to use…
Category : Programming 03-05-2013 by Janeth Kent
Linux 3.9 Released
After weeks of RC releases and a week's delay Linux 3.9, which packs a lot of new features, has finally been made available by Linus Torvalds. Last week Torvalds released the rc8 instead of the Linux 3.9 stating that he wasn’t “comfy” releasing the final version yet and that “another week won’t hurt”.…
Category : Operating systems 30-04-2013 by Janeth Kent