CRUD operations create, read, update, and delete documents. Follow these steps to store and retrieve data with MongoDB Step 1 : Open a shell to interact with the Mongo server mongo Step 2 : To create and start using a new database, type use dbname. Since schemas in MongoDB are...

Use this tutorial to install and configure MongoDB, which is a not only SQL (NoSQL) document storage server. You will need access to a root account or an account with sudo privileges. To get the latest version of MongoDB, we need to add the MongoDB source to Ubuntu installation sources:...

Linux is considered to be a well secured operating system. It is quite easy to maintain the security and protect our systems from unauthorized access by following a few simple norms or rules. You will need access to a root or account with sudo privileges. These steps are intended for...

Uncomplicated firewall (UFW) provides easy-to-use interface for people unfamiliar with firewall concepts. It provides a framework for managing netfilter as well as the command-line interface to manipulate the firewall. With its small command set and plain English parameters, UFW makes it quick and easy to understand and set up firewall...

Step 1 : How to Install and Configure fail2ban on ubuntu 20.04 apt-get install fail2ban After installation, the fail2ban daemon will start up and be configured to automatically start at boot-time. Configuring fail2ban is simply a matter of creating a configuration file. But, you shouldn't use its default config file...