Author: Safi A. Choudhury

Safi is the founder and chief editor of ZoomTutorials Blog, a leading tutorials and technology blogging site specializing in DevOps, SysAdmin and Cloud Technologies to help IT professionals in their day to day work. He is a Senior Cloud and DevOps Solutions Engineer at a leading eCommerce development Company and has more than 8 years of SysAdmin experience working with Fortune 500 companies to solve their most important IT backbones. Safi lives in Hyderabad with his wife and a son.

Kubernetes tutorial for beginners is a very useful tutorial video for learning the basics of Kubernetes. Please go through the complete video tutorial and drop in a message in the comment section if you have any doubts and we will be happy to clarify all your doubts. https://www.youtube.com/watch?v=F-p_7XaEC84

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One of the most important questions my management ask with regards to Azure VM is can it be resized. What will be the impact on the VM if it is resized? And I am like that is the greatest benefit of moving to Azure. The most important benefits of Azure VMs is the ability to change the size of your VMs based on the needs for CPU, Network or disk performance. And the process is pretty straightforward. What will be the impact on the VM if it is resized? The typical impact to resizing a VM is a restart which can…

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In the previous tutorial, we discussed the steps to create a account in Microsoft Azure and took a tour of the Azure dashboard. Here, we will show you the steps to create a Windows virtual machine in Azure and the various steps involved in the process. Azure virtual machines (VMs) can be created through the Azure portal. This tutorial shows you how to use the Azure portal to deploy a virtual machine (VM) in Azure that runs Windows Server 2016. If you don’t have an Azure subscription, you can create a free account by following this tutorial. Sign in to…

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Microsoft Azure is a cloud computing service created by Microsoft for building, testing, deploying, and managing applications and services through a global network of Microsoft-managed data centers. It provides software as a service (SaaS), platform as a service (PaaS) and infrastructure as a service (IaaS) and supports many different programming languages, tools and frameworks, including both Microsoft-specific and third-party software and systems. We need to create a Microsoft Azure account to start using the Azure services. Microsoft Azure allows creating a free account that comes with a credit of 200$ (Rs. 13,300) which can be used for 30 days. The account provides many of the popular…

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IIS

Redirecting HTTP to HTTPS is the most common requirement we receive as a sysadmin. Below are the steps to perform the task. Make sure you’ve got the URL rewrite module installed in IIS. If you aren’t sure if you do or not, you’ll find out quickly when you can’t find “URL Rewrite” in the steps below. Here are downloads for the 32bit version or the 64bit version. After you install the URL Rewrite module, you can perform the task in two ways: IIS GUI and web.config XML. I prefer doing this through the web.config file, but the GUI will also be shown here. Requirement To…

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IIS

Redirecting multiple domains to one (especially non-www to www) is the most common requirement we receive as a sysadmin, and there are plenty of examples online showing how to do this using the IIS URL Rewrite Module. But, most of them use separate rules for redirecting each domain resulting in a messed up web.config file. The problem is bcoz of using multiple rules for each redirection which can be fulfilled with a single rule. The example I will describe is for an F&B project I worked for the UK client. The requirement is to redirect multiple domains into a single…

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IIS

This guide will describe how to install Internet Information Services (IIS) 8.5 on Windows Server 2012 R2. IIS is the Web server role in Windows Server.What’s new in IIS 8.5IIS 8.5 includes several new features not found in IIS 8.0 or lower:Enhanced logging: An administrator can enable the logging of additional custom fields from request or response headers, or from server variables.Logging to event tracing for Windows: An administrator can enable the sending of logging information to Event Tracing for Windows (ETW).Dynamic Website activation: If there are a large number of configured sites (100 or greater, by default), the service…

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IIS

As a sysadmin, our basic responsibilities is to provide a secure infrastructure to the organization. In our daily function we come across a lot of request for FTP user creation. FTP is a service which allows user to transfer files from one system/server to a remote server/system. FTP User Isolation is one of the best ways to secure your IIS FTP site and prevent users from accessing restricted content. Whether your Windows Cloud server provides dedicated hosting or shared hosting, leveraging FTP user isolation will provide an additional layer of security over the standard authentication and authorization. FTP User Isolation can be leveraged…

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IIS

Before we directly jump to the configuration part, let me first explain what is SSL/TLS. SSL and TLS are cryptographic protocols that provide authentication and data encryption between different communication endpoints (e.g., a client connecting to a web server), with SSL the predecessor to TLS. Every few years we see that the new versions of SSL/TLS is released to address the security vulnerabilities (e.g., BEAST, POODLE, DROWN) and support the strongest and most secure cipher suites. The latest being TLS 1.3, which was just approved by the IETF (Internet Engineering Task Force). As a industry best practice, you should disable the old protocols which are vulnerable…

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In this tutorial, we will describe the basic Linux commands used by a System Administrator in his day-to-day activities. # man man command in linux is used to check the manual of the command. # ls  ls command in linux is used to list contents of a directory. The -l option enables long listing format as shown below: You can also type ls -l in short as ll and both shows same output as shown below: # cat cat (short for “concatenate“) command in linux  is one of the most frequently used command in Linux/Unix like operating systems. cat command allows us to create single…

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The below tutorial will give you a brief idea of Docker basic required to start the Docker journey. Please go through the complete video and drop a message in the comment section if you have any doubts and we will be happy to assist you clearing your doubts in your Docker journey. https://www.youtube.com/watch?v=VlSW-tztsvM

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IIS

This tutorial explains how to configure multiple HTTPS site on a single IP using Server Name Indication (SNI). The process is split into two parts: Configuring multiple sites. Installing SSL and binding to the HTTPS URL. Configure the websites Please follow below steps to configure webiste in IIS: From the Start screen, find Internet Information Services (IIS) Manager and open it. In Internet Information Services (IIS) Manager, in the Connections pane, expand the name of the server. Right click on sites and Add website. 4. Provide Site name, Application pool, Physical path and the most important in hosting multiple site on single IP is the Host Name…

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SSL

If your website is collecting any sensitive information (including payment details, email and password), then you need to be secure. One of the best ways to do that is to enable HTTPS, also known as SSL (secure socket layers), so that any information going to and from your server is automatically encrypted. The prevents hackers from sniffing out your visitors’ sensitive information as it passes through the internet. Your visitors will feel safer on your site when they see the lock while access your website – knowing it’s protected by a security certificate. Nowadays, SSL certificate available is of various…

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