You can send money, messages, and little bits of information anywhere with a single click. As technology advanced, a bunch of apps hit the market. One such payment app is PayPal. Learning how to use it can make online transactions easier for you. What is PayPal? PayPal is a finance company that operates in most countries. You may find PayPal operable in every country where online payment is feasible. PayPal has successfully replaced money orders, cheques, and cash in most cases....

Are you aware that clearing the ARP cache in your system may fix loading problems and connectivity errors? This article will look at how to check and clear the ARP cache in the different operating systems. But before that… What is ARP cache? ARP stands for Address Resolution Protocol, which is responsible for discovering MAC addresses and mapping them to IP addresses in order to communicate successfully with other systems on the local network....

If you are in such situation and need to know the password, then the following would be handy to decode it. Decrypting WebLogic Console Password This assumes you had server access and logged in with the respective UNIX account. Go to Oracle bin directory (oracle_home/common/bin)E Execute the wlst.sh You will get WLST prompt in offline mode, invoke the following command Note: change the domain path if necessary Note: encrypted code starting with AES you can find in a boot....

Full HTTP2 support is added to the latest version of Tomcat 9.x. HTTP/2 is fast, much faster than HTTP/1.1. If you directly serve the content to the browser (without going through a web server) from Tomcat then implementing HTTP/2 can drastically reduce the application load time and overall improve the performance. Its recommended testing this in a non-production environment to ensure application behave as expected. Read this if you are looking to enable in a web server like Apache or Nginx....

One of the essential tasks for securing Tomcat is to configure SSL certificate, so web application is accessible over HTTPS. There are many ways to achieve this. You can terminate SSL at a load balancer Implement SSL at CDN level Use web servers like Apache, Nginx, etc. in front and implement SSL there However, if you are not using any of the above or using this as a front-end or need to deploy SSL directly in Tomcat, then the following will help you....

MongoDB, one of the popular NoSQL database, is available for recently released CentOS 8. Let’s check out how to get it installed. Update – if you are looking for production-ready managed MongoDB then you should check out these hosting platforms. Installing on CentOS/RHEL 8 Support for CentOS 8 is available from MongoDB 4.2.1. This means you can’t install the previous MongoDB version, like the 3.x series. So, if you are currently running MongoDB (lower than 4....

Any IT professional, developer, or business who builds and tests any software for any device, platform, or cloud can use VMware Workstation Pro 16. VMware Workstation Pro 16 introduces some very exciting new features of virtualization software, including: Containers and Kubernetes VMWare supports Container and Kubernetes in VMWare Workstation with the command line tool: vctl. New OS support It supports new OS like RHEL 8.2, Debian 10.5, Fedora 32, CentOS 8....

YAML has its own friendly syntax, and it’s a handy language to add to your development arsenal. Let’s learn the basics of YAML. Data serialization Whenever you want to send some data structure or an object across computer networks, say the Internet, you have to turn it into a special format to read it and store it. The process is commonly known as serialization and is of enormous importance on the web....