How to Locate Open Ports in Linux

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openports

What is a Port? 

First, let’s define what a port is. According to the IEFT, a port is: 

A logical entity for Internet communication. Ports serve two main purposes:
1. They provide a demultiplexing identifier to separate transport sessions between the same pair of endpoints
2. They may also identify the application protocol and associated service to which processes connect.

Wikipedia.com

In plain English, this simply means that a port is an endpoint through which data flows back and forth between two computers over a network. A computer has 65535 ports available to share information. These port numbers are based on a 16-bit number, which is where we derive the total number of available ports (0 to 65535).

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How Can Our New Managed Cloud Platform Benefit You?

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Liquid Web’s new Cloud Platform is an environment designed with website uptime, ease of use, and scalability in mind. It combines the easy-to-use cPanel-based environment with a Load Balancing solution. It can be adjusted to suit your specific online needs. This platform is also included in our Fully Managed Support. Experienced webmasters or developers can opt for our Core-Managed environment, using the LAMP stack (Linux, Apache, MySQL/MariaDB, PHP). 

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How to Solve the VSFTPD 500 OOPS Error

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In this article, we discuss how to remedy the following error message in VSFTPD.

500 OOPS: vsftpd: refusing to run with writable root inside chroot()
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Cloud Servers vs Physical Servers: A Comparison

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Cloud Servers

Introduction

In this article, we will compare the similarities and differences of a cloud server vs a physical server. Every business has similar and different approaches in how they operate. The differences often relate to what is essential for that specific business: the clientele, the need to process information/orders, and how quickly market adaptation changes are needed.

Since almost every industry today has some type of online presence, hosting providers have adapted to offer products that solve many of the challenges that face today’s businesses. One such hurdle a company must solve is which type of hosting infrastructure is best suited for their demands. These choices include both cloud servers and dedicated servers. Cloud servers and dedicated servers each perform distinct tasks based on use-cases, and can be a challenge to determine which environment will satisfy the requirements that a business requires.

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Interworx vs. cPanel: Part 2

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In the second part of our review, we will be looking at the Web Server, FTP Server, SSH Server and lastly the Mail Server sections of the InterWorx main menu and comparing them to the available options in WHM. Let’s start with the System Services menu.

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Fun With Curl

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cURL is a Linux command that is used to transfer multiple data types to and from a server. It operates utilizing the libcurl library, which allows it to use the following protocols to move information:

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5 Android/iPhone Apps for IT Admins

Reading Time: 3 minutesAs administrators for many of our VPS servers and Dedicated servers, we may find ourselves needing to do certain things while on the go. We may also not have a laptop or PC within reach. But one thing most of us have at all times is a cell phone. Whether we have an Android or an iPhone, most of us do possess a smartphone. One thing great about these smartphones is their constant connection to the Internet. Having that constant connection makes it simple to use various apps that assist with admin tasks through our smartphones. Here is a list of five applications available both on iPhone and Android. If you are interested in checking them out, click on your phone’s type next to the application name. You can also search for these applications by name in your smartphone’s app store. Continue reading “5 Android/iPhone Apps for IT Admins”