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Cloud 101
Cloud

What Is Cloud Computing? Services, Models & Benefits

by Noyal S May 10, 2023
written by Noyal S

Cloud computing is the delivery of computing services including storage, servers, databases, networking, and software over the internet (“the cloud”). Instead of storing data or running applications on a local computer, users access resources remotely through cloud infrastructure managed by service providers. Major providers include: These companies operate global data centers that power modern cloud computing services. How Cloud Computing Works At its core, cloud computing relies on a network of remote servers hosted on the internet to store, manage, and process data. Users connect via: The provider manages: This allows businesses to focus on growth instead of infrastructure management. Cloud Service Models There are three different types of cloud computing services, namely Software as a Service (SaaS), Platform as …

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May 10, 2023 0 comments
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Ansistrano What and Why
ansible

Ansistrano – What and Why?

by SupportPRO Admin April 25, 2023
written by SupportPRO Admin

Ansistrano is one among several Ansible Galaxy roles for simply managing deployment requirements of scripting applications like PHP, Python, and Ruby. It is in real Ansible added to Capistrano or in other words a modification of Capistrano. Ansible Galaxy is the website where users can take, manage and share roles. It also provides a command-line interface for working on roles for the user. Why Ansistrano? Ansistrano, an Ansible role globally distributed through Ansible Galaxy. Deployment processes in scripting could be easily managed using ‘ansistrano.deploy’ and ‘ansistrano.rollback’, which are examples of Ansible roles. A similar role called Capistrano was designed to deploy RoR applications from a remote server to perform automation tools. Ansible’s goals square measure foremost those of simplicity and …

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April 25, 2023 0 comments
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Linux

Monitor a Windows service/host from the Nagios Core server [Linux]

by SupportPRO Admin April 19, 2023
written by SupportPRO Admin

NSclient++ is an agent which can be used to monitor Windows devices. Using this agent we can monitor system metrics, services, and processes on the target machine using the Windows Server configuration Wizard. This agent must be installed on the target Windows Machine/Server. In this scenario, Nagios core is installed on a CentOS machine. Part A Please follow the steps below to install the agent. Windows Monitoring Agent installation: NSClient++ Log on to the Windows target server and download the latest version of NSClient++ software as per the system Architecture. Link for download: https://nsclient.org/download/ Step 1 : Once downloaded the package. Double click on the installer. You will see a setup wizard like below and click on Next button to …

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April 19, 2023 0 comments
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Access-to-AWS-EC2
AWS

How to Regain access to AWS EC2 Linux instance when key pair lost?

by SupportPRO Admin April 5, 2023
written by SupportPRO Admin

An associated key pair ( private key and a public key) is necessary to access EC2 instance securely. In case you have lost or corrupted the key pair, here’s how you can regain access to AWS EC2 Linux instance. Let’s assume that the EC2 instance running contains a website but you have lost the key pair that is associated with the EC2 instance. And here we will show the two easiest ways to regain access to AWS Linux EC2 instances. By using an Amazon Machine Image (AMI) By swapping the volume of the EC2 instance  By using an AMI  An Amazon Machine Image (AMI) is the exact copy of the settings and configuration of an EC2 instance. We can create …

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April 5, 2023 0 comments
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NFS
AWS

HOW TO CREATE A NETWORK FILE SHARE (NFS) IN AWS?

by SupportPRO Admin March 29, 2023
written by SupportPRO Admin

A Network File System is a distributed file system protocol that supports remote hosts to mount file systems through the network and interact with the file systems as though they are mounted sectionally. This allows us to connect resources to centralized servers on the network. Amazon EFS-Elastic File System gives you a simple, scalable, and fully managed elastic NFS file system to use with AWS Cloud services and on-premises resources. In this demonstration, we will show you how to configure a Network File System-NFS using AWS EFS and connect to an EC2 instance.  1. Create a File System  From the AWS EFS console, we can easily create a highly available and scalable network file system.  2. Deploy an EC2 instance  …

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March 29, 2023 0 comments
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LVM
AWS

How to Create a Logical Volume Manager (LVM) on AWS EBS?

by SupportPRO Admin March 29, 2023
written by SupportPRO Admin

This documentation will show you how to create an LVM partition on an AWS EBS volume.  LVM is a storage virtualization technology that offers a flexible way to manage disk space. Using LVM we can have multiple virtual partitions on a physical volume or a single virtual partition over numerous physical volumes.  1. Deploy an EC2 instance  Login to your AWS management console and search for EC2. On the EC2 dashboard, click Launch Instance to deploy a virtual machine. Provide an instance name and choose the OS image, key pair,  instance type, etc. Review the configuration, storage, tagging, and security settings selected for your instance. And click on the Launch button at the bottom of the page. 2. Create Elastic …

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March 29, 2023 0 comments
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app enginve cs compute engine
Cloud

Google App Engine vs Google Compute Engine 2023

by Noyal S March 22, 2023
written by Noyal S

Developers and platform engineers have much to gain from using both Google App Engine and Compute Engine, as these cloud computing solutions offer distinct benefits during the various stages of application development. Despite their similar names, these two services serve different purposes, with Google App Engine functioning as a Platform as a Service (PaaS) and Google Compute Engine operating as an Infrastructure as a Service (IaaS). PaaS solutions like Google App Engine offer a platform where developers can build and deploy their applications without having to worry about managing the infrastructure that makes its base. This helps them to focus solely on developing the application code and functionality, with the platform handling tasks such as scaling and load balancing. On …

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March 22, 2023 0 comments
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Storage buckets Google
CloudMiscellaneous

Configure Lifecycle Rules in Google Cloud Storage Buckets

by Noyal S March 21, 2023
written by Noyal S

Google Cloud Storage is an object storage service that provides multiple features such as Saving an object in a cloud storage bucket is usually inexpensive depending on the storage class we use. The Google Cloud Storage pricing per GB is low but when it comes to a large volume of data or multiple APIs operations, it will increase the cost quickly. Here, the Google Cloud Storage Lifecycle Management Rules provide you with a solution to deal with different and unpredictable data. Lifecycle rules can be set up to automatically change the storage classes or to automatically delete unnecessary data for cost optimization.  Create a Google Cloud Storage bucket  GCP Storage classes The storage classes in GCP allow the customers to …

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March 21, 2023 0 comments
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ionice
Technical Articles

Ionice Command: Set I/O Scheduling Class and Priority

by SupportPRO Admin March 20, 2023
written by SupportPRO Admin

The ionice command is used to set I/O scheduling class and priority for a program. The I/O schedule for a program can be changed to the following: The current Disk Scheduler can be viewed from The current scheduler can be changed by Ionice Utility The ionice sets the io scheduling class and priority for a program or script. It supports the following three scheduling classes Setting ionice for a pid ( number 3 specifies the scheduling class) ionice -c3 -p 1004 FAQs 1. What is an I/O scheduler in Linux? An I/O scheduler manages how disk read/write operations are ordered and processed, helping improve system performance and responsiveness. 2. How can I check the current I/O scheduler? You can check …

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March 20, 2023 0 comments
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Cloudfest supportpro 2023
Business

SupportPRO joins CloudFest 2023: World’s largest Cloud Industry Conference

by Noyal S March 10, 2023
written by Noyal S

Greetings everyone, I am excited to announce that SupportPRO will be attending CloudFest 2023, the world’s largest cloud-computing conference, taking place from March 20 to 23, 2023, at Europa Park, Germany. Since our inception, we have been part of every iteration of CloudFest, and this year will be our best one yet. As the CEO and Founder of SupportPRO, I am eager to connect with you and discuss how our team can assist you in optimizing your internet infrastructure to meet your business needs. At SupportPRO, we specialize in remote infrastructure management solutions for data centers, hosting companies, and enterprises. Our expert engineers and support specialists work 24/7 to ensure our clients’ internet infrastructure runs optimally, securely, and up-to-date. We …

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March 10, 2023 0 comments
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  • Troubleshooting High CPU Usage on Google Compute Engine
    High CPU usage on a Google Compute Engine (GCE) virtual machine can affect application performance, increase response times, and even lead to service interruptions if left unresolved. While occasional CPU…
  • Tracing One TCP Connection Through the Linux Kernel From connect() to the NIC
    When a Linux application connects to a remote service, the operation looks simple: connect() But behind this single system call, the Linux networking stack performs several steps before a TCP…
  • OOM Without 100% RAM Usage: Understanding Memory Pressure
    One of the most confusing Linux memory problems is an Out-Of-Memory (OOM) event occurring when RAM usage doesn’t appear to be at 100%. You might check the server and see…

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