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The following are some of the SPF records from popular email hosting solutions. You need to add them as a TXT record for your domain. Google Workspace Zoho Mail Mailgun Zendesk Microsoft 365 Rackspace GoDaddy Fastmail SendGrid Mailjet MailerLite AWeber If you need to add more than one then you can combine them by adding another in the single entry instead of adding them separately. Ex – if you need to add Google Workspace and Mailgun, both then you can below....

This is something you will touch at some point while working as System Administrator. Default JVM heap size may not be sufficient for many applications that’s where you need to know how to adjust them. Here is how you can do it in JVM, Node agent & Deployment Manager. Modify Memory Heap Size in JVM Login into DMGR Go to Server Types » WebSphere application servers Click on desired JVM Click on Process definition under “Java and Process Management....

Most production environments have started using containers as they are easily scalable, cost-effective, better than virtual machines, and faster deployable. Of course, it is easier when working with 10-20 containers but imagine if your production environment of a Kubernetes cluster has hundreds of containers. It becomes challenging to manage the container lifecycle with multiple containers running in parallel. That is why you need a container orchestration platform/tool to manage all the automated deployment, scaling, organizing, and management of containers....

I received many feedbacks on writing about Oracle Weblogic application server, so here you go. In this article, I will explain how to download and install Oracle Weblogic Server 12c on Linux environment. Downloading Oracle Weblogic 12c Open your favorite Internet browser Go to the following URL Click on “Quick Installer for Mac OSX, Windows, and Linux” or hit the following direct link to download the installer It will prompt to enter the credential (don’t worry if you don’t have, you can create one in free)....

Guess what? I got the below error while executing netstat. Solution:- Install net-tools using yum command Ex: and then I was able to use netstat. I hope this helps you in troubleshooting netstat not found error on CentOS 7.

The DNS cache poisoning results from vulnerabilities that allow the criminals to submit forged DNS responses, which the domain name server (DNS) then stores in their caches. Usually, the compromised entry redirects the user to a fake website that the attackers use to perform criminal activities such as spreading malware or stealing credit card details, passwords, financial data, and other sensitive private information. When a DNS cache poisoning occurs, the DNS cache server stores illegitimate address supplied by the attacker, and then issues this to users requesting for the genuine website....

In this guide, we’ll go over: What is Jupyter Notebookwhy it is popular for data science use casesInstructions on how you can set up Jupyter notebook on your machine Let’s get started… What is Jupyter Notebook? Jupyter Notebook is an interactive browser-based platform for scientific computing. It’s an open-source flagship product of Project Jupyter and is widely used in data science. Useful Features of Jupyter Notebook In addition to providing an interactive coding platform, Jupyter Notebook supports both code and text cells....