What is Cert-Manager and how to setup Cert-Manager for SSL certificates in Kubernetes Cluster on AWS using Helm
Cert-Manager is a controller used for certificate management. A Cert-Manager can help to issue certificates from different issuers like…
linux
How to create Cloudwatch alarms for a Lambda Function on AWS
There are various invocation metrics, performance metrics, and concurrency metrics available for Lambda functions in Cloudwatch to monitor. Invocation…
How to display GUI dialogs in bash script using Zenity
We all know that Linux bash scripts are a real strength of Linux. Often we want to display a…
How to manage AWS EC2 instances using aws-cli
We can manage EC2 instances from the command-line using aws-cli. We can create, start, stop, reboot, terminate, modify and…
How to change Text Size in Ubuntu 20.04 LTS
If you are having difficulty reading the text on the screen when using an Ubuntu system, there are many…
How to Install IDLE Python IDE on Ubuntu 20.04
What is IDLE? IDLE stands for Integrated DeveLopment Environment. It is an IDE for Python, written in Python language…
Perfect Server Automated ISPConfig 3 Installation on Debian 10 and Ubuntu 20.04
This tutorial will take you through installing your own ISPConfig 3 single server setup using the ISPConfig auto-installer. This…
How to create an SNS topic on AWS using Terraform
In this article, we will create an SNS topic with an access policy that will allow our own account to…
How to Test Website Loading Speed in Linux
The website loading speed or response time is very important for any webmaster because it will impact search engine…
How to Install and Configure Samba on Debian 10
Samba is a powerful open-source tool that allows Windows-like sharing of files and printers in a network on Linux…
How to create Cloudwatch alarms for a DynamoDB Table on AWS
To monitor DynamoDB tables, metric data is sent to CloudWatch automatically. Following are the metrics aggregated at one-minute intervals…
40+ most used Ubuntu 20.04 Commands
The world of Ubuntu welcomes you and it is ready to grant you all the power over your system….
How to enable Large Indexes in MariaDB 10 on Debian 10
This tutorial shows you how to enable large indexes in MariaDB 10 on Debian 10. This refers to the…
How to install VMware tools in Debian 10
When you install a virtual machine or a guest OS in your machine, it does not exactly perform like…
How to install Gradle build automation tool on CentOS 8
Developed in Java, Kotlin, and Groovy, Gradle is an open-source build automation tool that is used mostly in Java…
How to create a user on Linux EC2 instance on AWS and add a public key to it using a shell script
Creating a user and adding a public key to it can be very tedious. In this article, we will…
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