51 results for: shell
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
Advanced Android tutorial: discover all your phone's secrets
It is highly probable that you are not taking advantage of even half of the potential that your Android device has to offer. These small pocket computers, which we call smartphones, have increasingly advanced and powerful hardware that, together with the possibilities offered by an operating system as flexible as…
Category : Mobile 06-05-2021 by Janeth Kent
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
Double VPN: what it is and how it works
Privacy on the web is a very important factor for users and there are more and more tools to help us maintain it. Without a doubt VPN services have had a very important increase in recent times and represent an option to preserve our data when we browse. However, in…
Category : Security 28-09-2020 by Silvia Mazzetta
The most popular Array Sorting Algorithms In PHP
There are many ways to sort an array in PHP, the easiest being to use the sort() function built into PHP. This sort function is quick but has it's limitations, especially when sorting things like dates as PHP usually guesses which value is higher than the other and can produce…
Category : Php 25-08-2020 by Luigi Nori
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
How to Change Your DNS Server (And Why You Should)
It's so easy to connect to the internet that you don't think much about how it actually works. You've likely heard about things like IP address, ethernet, DNS servers, or similar terms. They often come up when you try to diagnose internet problems on your home network. Though, this time…
Category : Networking 09-05-2020 by Luigi Nori
Web shells as a security thread for web applications
Over the past two decades, web applications as an alternative to traditional desktop application have been on to rise. As their name suggests, they are installed on web servers and accessed via a web browser. This gives web apps a rather long list of advantages: multi-platform cross-compatibility, no installation required for…
Category : Security 04-05-2020 by Iveta Karailievova
Best ways to start a video conference without registration
Nowadays it is very easy to make a video conference without using Whatsapp, Skype or any of those platforms that require user registration, phone, email and so on. Today we will talk about three options that allow video conferencing in a few seconds, being only necessary in most cases to inform…
Category : Multimedia 21-04-2020 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
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
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
How to build a basic PWA with HTML and Javascript
Looking at the web for a basic PWA online training exercise, everything I found was just too confused or required libraries/system/stage or another. If we need to learn another innovation, we would preferably not get derailed with redundant subtleties ... We have indeed composed a basic introductory exercise to draw from different…
Category : Javascript 10-04-2020 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
Install macOS High Sierra in VirtualBox on Windows 10
Whether you want to occasionally test a website in Safari, or try out a little bit of software in the Mac environment, having access to the latest version of macOS in a virtual machine is useful. Unfortunately, you’re not really supposed to do this—so getting macOS running in VirtualBox is,…
Category : Operating systems 12-04-2021 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
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
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
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
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 18-12-2023 by Janeth Kent
How to setup FTP server on ubuntu 14.04 with VSFTPD
FTP is used to transfer files from one host to another over TCP network. This article explains how to setup FTP server on ubuntu 14.04 . There are 3 popular FTP server packages available PureFTPD, VsFTPD and ProFTPD. Here i’ve used VsFTPD which is lightweight and less Vulnerability. Step 1 » Update…
Category : Networking 13-01-2015 by Janeth Kent
10 Useful PHP Image Manipulation Libraries
In this article, we listed 10 PHP Image Manipulation Libraries which help developers making their tasks simpler. 1. Imagine Imagine is a OOP library for image manipulation built in PHP 5.3 using the latest best practices and thoughtful design that should allow for decoupled and unit-testable code. In order to produce RGB code…
Category : Php 09-06-2014 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
Best Content Strategy Resources
Content Strategy Books Annett-Baker, Relly. A Practical Guide to Creating Web Content. Bailie, Rahel Anne; Urbina, Noz. Content Strategy: Connecting the Dots Between Business, Brand, and Benefits. Bloomstein, Margot. Content Strategy at Work: Real-world Stories to Strengthen Every Interactive Project. Halvorson, Kristina; Rach, Melissa. Content Strategy for the Web. Handley, Ann; Chapman, C.C. Content Rules. Jones, Colleen. Clout — The Art &…
Category : Web marketing 09-12-2013 by Janeth Kent
Weekly Fresh Resources for Designers and Developers: JavaScript, HTML & CSS – Week of August 12, 2013
This is our weekly design news column where we share our favorite design related articles, resources and cool freebies from the past week. Enjoy :) Tutorials Raymond Camden shares a very cool proof of concept for drawing a shape on a map and getting back map data from Google Maps. Using Drawing Tools…
Category : Web design 21-08-2013 by Janeth Kent
The Bible of Responsive Web Design
You've decided it's time for a new website, and you know that making it responsive will ensure that all users have a great experience, regardless of what device they are using. Responsive web design, or RWD for short, is here to stay. It's rapidly maturing but not without some serious pitfalls for…
Category : Web design 23-05-2019 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
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
71 Social Media Monitoring Tools
If you want to monitorize the "social world web" you need social media monitoring tools. Before you reach for your wallet and start to spend money try out some of the free social media monitoring services. We have collected Free social media monitoring tools. In the first group are the most popular Social Media Monitoring…
Category : Social networks 27-06-2013 by Janeth Kent
20 Open Source Scripts Applications for Web Developers
Open source applications and tools can be handy for web designers and developers on a budget. Nowadays most of the tools and applications are increasingly either employing open source or are built entirely on it. And all of this adds up to an increasing premium on web development skills and…
Category : Programming 11-08-2016 by Janeth Kent
19 New Filter Fields Available in Google Analytics
One of the things that makes Google Analytics so powerful is its ability to create segments of your data in a very quickly and easily. You've heard it before, aggregate data is meaningless to achieving your business objectives. To truly know how your inbound marketing is shaping up, you need to…
Category : Web marketing 14-05-2013 by Janeth Kent
How to improve security in Firefox, Chrome, and IE
Malware is most likely to reach your computer via your browser, according to the most recent Microsoft Security Intelligence Report. (Credit: Microsoft Security Intelligence Report, Vol. 14) Like their counterparts in the real world, computer criminals are always looking for vulnerabilities they can exploit. Instead of an open window or unattended wallet,…
Category : Security 07-05-2013 by Janeth Kent
MySql: Setup Master Slave Replication in Ubuntu
About MySQL replication MySQL replication is a process that allows you to easily maintain multiple copies of a MySQL data by having them copied automatically from a master to a slave database. This can helpful for many reasons including facilating a backup for the data,a way to analyze it without using…
Category : Databases 02-05-2013 by Janeth Kent
Install Webmin on Ubuntu
Webmin is a web-based control panel for any Linux machine that allows you to manage your server through a modern web-based interface. With Webmin, you can change settings for common packages on the fly, including web servers and databases, as well as manage users, groups and software packages. Through this tutorial,…
Category : Networking 18-06-2020 by Janeth Kent
Apache:Setup a SSL Certificate with Thawte
Here is a short tutorial how to set up a Thawte SSL 123 SSL certificate (a domain-only validation SSL Certificate). In a nutshell, it takes two steps: First, you need to create your private key and the certificate signing request to request the certificate. In a second step you need…
Category : Networking 11-04-2013 by Janeth Kent
Reset Linux root password without knowing the password
So there it goes - Linux is a secure OS. No, really it is. Despite the title of this post, Linux is actually a secure system. Before we proceed to the main topic, let us consider a few points: Linux is flexible to a very large extent. Linux's administrator account is called…
Category : Operating systems 30-04-2021 by Janeth Kent
PHP-MongoDB Beginners Guide
Over the last year or so, there's been a small revolution taking place in the database world, with the advent of "schema-less" database systems like Apache CouchDB. These databases follow a different approach to data storage as compared to the traditional relational model, and they're quickly becoming popular with Web…
Category : Databases 11-04-2013 by Janeth Kent
Learn PHP: Handy Functions for Beginners
If you’re new to PHP language, we’ll introduce you to seven really handy PHP functions in this quick tip! Function 1 : isset Check if a variable has been set. You just pass it a variable name, and it will return true if that variable exists, and is set to something other than NULL. $name = "Joe"; isset($name); // true isset($age); // false This function also…
Category : Php 11-04-2013 by Janeth Kent
How to install and configure vsftpd FTP server in Ubuntu 12.10
This tutorial focuses on how to setup vsftpd server on your linux based VPS or a dedicated server. The vsftpd stands for “Very Secure FTP Daemon”. It is not just secure as the name suggests but also delivers excellent performance by consuming less memory. The tutorial also teaches you how…
Category : Networking 11-04-2013 by Janeth Kent
How to install LAMP (Linux,Apache,Mysql,Php) in Ubuntu 12.10
About LAMP LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the virtual private server is already running Ubuntu, the linux part is taken care of. Here is how to install the rest. Set…
Category : Networking 11-04-2013 by Janeth Kent
Enable SSH Secure Shell in Ubuntu 12.10
This brief tutorial shows you how to enable SSH in Ubuntu 12.04 Precise Pangolin. This request came in from one of our readers who wanted to know how to enable SSH in Ubuntu 12.04. As you may already know, SSH is a secure communication protocol that lets you remotely access…
Category : Networking 11-04-2013 by Janeth Kent
A list of Great PHP libraries and classes you should know
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 are 24 of the coolest that I’ve come across. Your favorite is not on the list? Share it in…
Category : Programming 26-03-2021 by Janeth Kent
PHP get DNS Nameserver , Cname , MX , A records of a domain
PHP has a useful function called dns_get_record that can be used to get different types of records for a give domain , very easily. Nameserver - NS Records : $ php -a Interactive shell php > print_r(dns_get_record('www.binarytides.com' , DNS_NS)); Array ( => Array ( => binarytides.com => NS => omikro1.allwebserver.com => IN => 86140 ) => Array ( =>…
Category : Programming 11-04-2013 by Janeth Kent
