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AWS Instance loses network connectivity - Fix this issue now


This article covers method to fix AWS Instance loses network connectivity error.

Basically, AWS Instance loses network connectivity if the instance has the wrong time set.


To fix Amazon EC2 Windows instance network connectivity issue:

You can create a temporary elastic network interface, and attach the network interface to the Amazon EC2 Windows instance. Then, you can  temporarily connect to the instance and fix the issue.

1. Open the Amazon EC2 console, and then choose Instances from the navigation pane.

2. Select your instance. From the Description tab, note the Subnet ID.

3. Create a new network interface in the same subnet as the instance.

Important: Be sure to select a security group that allows incoming Remote Desktop Protocol (RDP) traffic from your IP address.

4. Attach the new network interface to the instance.

Note: The network interface might take a few minutes to come online. If you connect to the instance using RDP, associate an Elastic IP address with the network interface.

5. Using the new network interface, connect to the instance using RDP.

6. Change the network connection settings in Windows to use DHCP. Or, specify the correct private IP address settings. For instructions, see Configuring a secondary private IPv4 address for your Windows instance.

7. Detach the temporary network interface.

Note: If you've associated an Elastic IP address with the network interface, and no longer need the Elastic IP address, release the Elastic IP address.

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How to setup AWS CloudFront and how it delivers content


This article covers how to setup AWS CloudFront. Basically, CloudFront retrieves data from the Amazon S3 bucket and distributes it to multiple datacenter locations.

Amazon CloudFront works seamlessly with Amazon Simple Storage Service (S3) to accelerate the delivery of your web content and reduce the load on your origin servers. 


Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content, such as . html, . css, . js, and image files, to your users.


Benefit of CloudFront?

Great Performance. The AWS CloudFront content delivery network optimizes for low latency and high information transfer speeds. 

CloudFront's intelligent routing predicate on real-world latency measurements incessantly gathered from standard websites, as well as Amazon.com.


Step by step process on getting started in the AWS Console, configuring your origin, and beginning testing your CloudFront distribution:

1. Go to the AWS Console

2. Create an Amazon S3 bucket

3. Create an Amazon CloudFront distribution

4. Specify your distribution settings

5. Configure your origin

6. Configure Origin Access Identity

7. Configure default cache behavior

8. Configure your TTLs

9. Configure additional features

10. Test your CloudFront distribution

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AWS error code 0x204


This article will guide you on methods to fix AWS #error code 0x204 which happens in the process of trying to login to a remote machine on VPC.

Amazon Virtual Private #Cloud (Amazon #VPC) is a service that lets you launch AWS resources in a logically isolated virtual network that you define. You can use both IPv4 and IPv6 for most resources in your virtual private cloud, helping to ensure secure and easy access to resources and applications.


To enable RDP access on AWS instance:

i. Open the Amazon EC2 console , set it to the stack's region, and choose Security Groups from the navigation pane. 

ii. Choose AWS-OpsWorks-RDP-Server, choose the Inbound tab, and choose Edit. 

iii. Choose Add Rule and specify the following settings: Type – RDP.


To connect from the #Amazon EC2 console:

1. Open the Amazon #EC2 console.

2. In the left navigation pane, choose Instances and select the instance to which to connect.

3. Choose Connect.

4. On the Connect To Your Instance page, choose EC2 Instance Connect (browser-based SSH connection), Connect.

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Create a virtual machine using lightsail in AWS


This article will guide you on how to create a virtual #machine using Lightsail in #AWS.

#Lightsail is an easy-to-use virtual private server (#VPS) that offers you everything needed to build an application or website, plus a cost-effective, monthly plan.

To create a virtual machine in #cloud:

1. Using the left-hand navigation bar, click Compute Engine and then select #VM instances from the item list. 

2. If this is your first #VM on the platform. 

3. If you have a VM template you can import it to GCP, but in this case we will create a VM from scratch.

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Ansible for launching AWS EC2 instances


This article will guide you on how to use #Ansible to launch AWS EC2 instances, security group, and RDS.

First, you're limiting the scope of the playbook to the local #hosts #group. It contains localhost and this is the way Ansible will work with #EC2 instances. Behind the scenes, Ansible connects to Python boto on the local machine and use to establish connection with the AWS #API and issue the necessary #commands.

Then we specify the name of the security group that Ansible will create for us. A security group is like a virtual firewall that must be created for your EC2 instances. If you already have one created, you can associate it with the new EC2 instance. In our case, we’ll be creating a new one from scratch.

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How to set up Amazon S3 through WHM


This article will guide you on how to configure Amazon S3 via WHM by accessing the 'Backup Configuration'.
To configure your #backups:
i. Login to #WHM and access "Backup Configuration >> Additional Destinations".
ii. Select #Amazon #S3 and click “Create new destination”.

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Steps to Setup Ansible AWS Dynamic Inventory


This article will guide you on how to use #AWS resources using Ansible with the help of Dynamic Inventory.

The #Ansible #inventory file defines the #hosts and groups of hosts upon which #commands, #modules, and tasks in a playbook operate. The file can be in one of many formats depending on your Ansible #environment and plugins.

Ansible will use it as an inventory source as long as it returns a #JSON structure like the one above when the script is called with the --list .

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Create a Nagios log server instance in Amazon EC2 cloud


This article will guide you on how to create a #Nagios log server instance in the amazon ec2 #cloud. To enable these reports, simply enable Detailed Billing Reports With #Resources and Tags for your account. Then open up the Reports tab of the Billing #Console. From there you can look at the EC2 Instance Usage Report and the #EC2 Reserved Instance Utilization Report.

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An error occurred when calling the RevokeSecurityGroupIngress operation Steps to fix this aws error


This article will guide you on the steps to fix the AWS error "An error occurred when calling the RevokeSecurityGroupIngress operation" which shows that the target security group doesn’t have an inbound rule, or isn’t located in the default Amazon Virtual Private Cloud (Amazon VPC).

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Install and Configure Salt Master on Ubuntu


This article will give you a comprehensive guide on the steps to perform installation and configuration of Salt Master and Minion servers on Ubuntu which involves a series of steps that include installing the master daemon, initial master configuration, installing a separate minion, and configuring the Minion.

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Rclone installation process


Rclone is an open-source command line tool which helps to sync files to cloud storage which is makes data migration between storage spaces easy.

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Solve Insufficient instance capacity AWS error


Steps taken to troubleshoot and fix Insufficient instance capacity error in AWS.

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Solve Error deleting snapshots in AWS


Best way to fix Error deleting EBS snapshot in AWS.

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How to solve AWS was not able to validate the provided access credentials


Comprehensive method of fixing  AWS was not able to validate the provided access credentials

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How to Fix Boot Hole vulnerability CVE-2020-1073


Just recently, on the 29th, July 2020, Popular Linux Distribution RedHat announced that there was a great security concern in the grub2 (CVE-2020-1073) version.

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