How to Set up PostgreSQL Database Replication
Database replication is a process of copying data from a central server to multiple servers known as replicas. Learn how to replicate a PostgreSQL database.
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How To Use Ansible Vault to Protect Sensitive Data
Learn how to encrypt sensitive information with Ansible Vault to prevent it from being stored in your Ansible code directly and add an extra layer of security
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How to Partition and Format Disk Drives on Linux
This article will walk you through how you can partition and format disks to complete common Linux administration tasks.
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An Ultimate Guide of How to Manage Linux Systemd Services With Systemctl Command
Systemctl is a CLI interface to systemd - a default service manager that provides core functionality for many modern Linux distributions. Learn how to use it.
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How To Install and Start Using RabbitMQ on Ubuntu 22.04
Learn how to install and start using RabbitMQ - a popular open-source message broker that stores and passes asynchronous messages between two or more services.
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How to Keep Docker Secrets When Working with Sensitive Data?
Docker secret is a BLOB of data that can be safely passed to your application upon runtime and is only available for the lifetime of the container. Learn more.
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How to Setup Linux Firewall Using Firewalld
Firewalld is a customizable host-based firewall management solution for Linux with a comprehensive set of firewall rules. Learn how to install and start using it.
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How To Define and Use Handlers in Ansible Playbooks
Ansible handlers allow specific tasks to run only when the state of a system changes. Learn how to define and use handlers in your Ansible playbooks.
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How To Use Variables in Ansible Playbooks
Learn how to define and reference Ansible variables in playbooks, inventories or on the command line.
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