How to Create a Sudo User on Ubuntu
Introduction to Create a Sudo User on Ubuntu In the realm of Ubuntu system administration, understanding the concept of 'sudo' is essential. Sudo, short for "superuser do," is a powerful command-line utility that allows permitted users to execute commands with root or administrative privileges. This mechanism is crucial for maintaining…
How to Install Ansible on Ubuntu: A Step-by-Step Guide
Introduction to Install Ansible on Ubuntu and Its Benefits Ansible is a widely acclaimed open-source automation tool designed to streamline various IT tasks such as configuration management, application deployment, and task automation. Its core functionalities enable system administrators and developers to manage and orchestrate complex environments with ease. At its…
How to Use Variables in Bash Script
Introduction to Variables in Bash Variables play an indispensable role in Bash scripting, serving as fundamental tools for storing and manipulating data. Their primary function is to hold values that can be referenced and utilized throughout a script, thus enabling dynamic and flexible programming. Whether you are automating repetitive tasks,…
How to Configure Proxy for DNF on AlmaLinux 9 and Rocky Linux 9
Introduction to Proxy for DNF on AlmaLinux 9 and Rocky Linux 9 DNF, short for Dandified YUM, is the next-generation version of the Yellowdog Updater, Modified (YUM) package manager. It is designed to handle software management tasks with efficiency and reliability in AlmaLinux 9 and Rocky Linux 9. DNF offers…
How to Enable Timestamp in the History Command
Introduction to Enable Timestamp in the History Command The history command is an essential utility in Unix-like operating systems, designed to keep an extensive record of commands executed by users within the terminal. This feature is invaluable for users who frequently interact with the command line, as it allows them…
How to Install PostgreSQL 15 on AlmaLinux 9 and Rocky Linux 9
Introduction to Install PostgreSQL 15 on AlmaLinux 9 and Rocky Linux 9 PostgreSQL 15 represents a significant advancement in the evolution of open-source relational database management systems. This version introduces various enhancements, including improved performance, enhanced security features, and greater flexibility in handling complex queries. Key improvements in PostgreSQL 15…
How to Install PostgreSQL 16 on AlmaLinux 9 and Rocky Linux 9
Introduction to Install PostgreSQL 16 on AlmaLinux 9 and Rocky Linux 9 PostgreSQL 16 represents a significant milestone in the evolution of PostgreSQL, a powerful and highly extensible open-source relational database management system (RDBMS). Known for its robustness, scalability, and compliance with SQL standards, PostgreSQL has been a popular choice…
How to Attach a Free Subscription to Your RHEL 9 System
Introduction to Attach a Free Subscription to Your RHEL 9 Red Hat Enterprise Linux (RHEL) 9 stands as a pivotal release in the lineage of Red Hat's enterprise-grade operating systems. Known for its robustness, scalability, and security, RHEL 9 offers a suite of advanced features tailored for modern IT environments.…
How to Set Up an SFTP Server on Ubuntu 22.04 LTS
Introduction to SFTP Server on Ubuntu 22.04 LTS and Its Benefits Secure File Transfer Protocol (SFTP) is a robust network protocol that facilitates secure file transfers over a secure shell (SSH) connection. Unlike traditional FTP, SFTP encrypts both commands and data, ensuring that sensitive information remains protected during transmission. This…
Firewalld Service or Port – Which is Better
Introduction to Firewalld Service or Port Firewalld, a dynamic firewall management tool, plays a crucial role in enhancing network security within Linux environments. It operates by allowing administrators to control the flow of incoming and outgoing traffic, thereby safeguarding systems against unauthorized access and potential threats. Firewalld's functionality is distinguished…
