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Linux Essentials for PostgreSQL DBAs

Exam Code : PGLINUX

This course is designed to equip PostgreSQL administrators and developers with foundational Linux skills essential for managing PostgreSQL in a production environment. You’ll learn how to navigate the Linux command line, manage files and users, set permissions, monitor system performance, and troubleshoot common issues — all within the context of PostgreSQL. Whether you’re deploying, securing, or optimizing PostgreSQL databases, this course ensures you’re confident and competent in the Linux environment that powers them.

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Why Join this Program

  • Foundation in Linux for PostgreSQL Professionals
    This course provides a solid grounding in Linux, covering essential topics like command-line operations, file system management, user permissions, and system monitoring. These skills are crucial for effectively managing PostgreSQL databases, which often run on Linux environments.

  • Tailored for Aspiring and Existing DBAs
    Whether you’re transitioning from Oracle, MySQL, or Microsoft SQL Server, or starting anew in the database field, this program is designed to equip you with the Linux knowledge necessary for PostgreSQL administration.

  • Comprehensive, Hands-On Training
    The course offers practical, instructor-led sessions that delve into real-world scenarios, ensuring participants can apply their learning directly to their professional roles. Topics include system configuration, text editing, and local security principles.

  • Flexible Learning Options
    Recognizing diverse learning preferences, the program is available through various delivery methods, including virtual live sessions, classroom training, and on-site instruction, making it accessible to a wide range of learners.

Corporate Training

For group registrations of greater than 10 or more candidates,
please write to training@certfirst.com
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Program Overview

The Linux Essentials for PostgreSQL DBAs & Developers program is designed to build a foundational understanding of Linux specifically tailored for database administrators and developers working with PostgreSQL. Since most PostgreSQL deployments run on Linux-based systems, having core Linux skills is critical for managing, optimizing, and securing databases effectively. This course introduces learners to essential Linux commands, file structures, user management, permissions, system monitoring, and networking—all in the context of supporting PostgreSQL environments.

This hands-on, practical training helps learners bridge the gap between Linux administration and database management. It is ideal for professionals transitioning from other database platforms like Oracle or Microsoft SQL Server to PostgreSQL, as well as those new to database management altogether. By the end of the course, participants will be able to navigate and operate in a Linux environment with confidence, troubleshoot issues, and perform PostgreSQL-specific administrative tasks using Linux tools and best practices.

Key Features

  • PostgreSQL-Focused Linux Training
    Designed specifically for DBAs and developers working with PostgreSQL in Linux environments.

  • Hands-On Lab Exercises
    Real-world scenarios and lab-based training to reinforce key concepts through practice.

  • Essential Command-Line Skills
    Learn fundamental Linux commands for file management, system navigation, and scripting.

  • User and Permission Management
    Gain critical knowledge on managing users, groups, and setting appropriate file permissions.

  • System Monitoring and Troubleshooting
    Use Linux tools to monitor performance, manage resources, and resolve issues effectively.

  • File System and Directory Structure
    Understand Linux file system hierarchy and how to work efficiently within it.

  • Text Editors and Configuration Files
    Learn to use editors like Vim and Nano to modify system and PostgreSQL configuration files.

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  • System Monitoring and Troubleshooting
    Use Linux tools to monitor performance, manage resources, and resolve issues effectively.

  • File System and Directory Structure
    Understand Linux file system hierarchy and how to work efficiently within it.

  • Text Editors and Configuration Files
    Learn to use editors like Vim and Nano to modify system and PostgreSQL configuration files.

Learning Path

  • Introduction to Linux for PostgreSQL
    Understand the importance of Linux in PostgreSQL environments and how it supports database operations.

  • Linux File System and Navigation
    Learn the directory structure, file paths, and essential commands to move around and manage files.

  • User and Group Management
    Gain skills in creating, modifying, and managing users and groups for PostgreSQL access control.

  • File Permissions and Ownership
    Understand permission types, how to assign them, and how they affect PostgreSQL processes.

  • Working with Text Editors (Vim/Nano)
    Learn to edit configuration and script files — a critical task for PostgreSQL tuning and automation.

  • Process and Service Management
    Monitor and control system processes, start/stop services, and troubleshoot PostgreSQL-related services.

  • Networking Basics for PostgreSQL
    Explore networking concepts, IP addressing, ports, and connectivity relevant to PostgreSQL installations.

  • System Monitoring Tools
    Use built-in Linux tools to monitor CPU, memory, and disk usage to ensure PostgreSQL runs smoothly.

  • Log Files and Troubleshooting
    Locate and analyze system and PostgreSQL logs to diagnose and fix common issues.

  • Shell Scripting for DBAs
    Automate administrative tasks with simple shell scripts to improve efficiency and reduce manual work.

  • Security Essentials in Linux
    Learn fundamental Linux security practices, including SSH management and basic firewall setup, tailored to PostgreSQL needs.

  • Final Project / Lab Exercises
    Apply your knowledge in practical labs or a mini-project simulating real-world PostgreSQL administration on Linux.

What Skills Will You Learn?

  • Mastering Linux Command Line Basics
    Navigate the Linux terminal, manage files and directories, and execute common commands efficiently.

  • User, Group, and Permission Management
    Create and manage user accounts, groups, and assign permissions to secure PostgreSQL environments.

  • Monitoring System Resources
    Utilize tools like top, htop, vmstat, and df to monitor system performance and health.

  • Working with Configuration Files
    Edit and manage important Linux and PostgreSQL configuration files using text editors such as Vim or Nano.

  • Understanding Linux File System Hierarchy
    Learn the structure and significance of directories like /etc, /var, /usr, and how they relate to PostgreSQL.

  • Automating Tasks with Shell Scripting
    Write basic shell scripts to automate routine database and system administration tasks.

  • Networking and Port Management
    Use networking tools (netstat, ss, ping, etc.) to troubleshoot and manage PostgreSQL network connectivity.

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  • Package Management and Software Installation
    Install and manage software packages using tools like apt, yum, or dnf depending on the distribution.

  • Log Management and Troubleshooting
    Access and interpret system and PostgreSQL logs for issue resolution.

  • Linux Security Practices for DBAs
    Implement basic security practices to protect PostgreSQL installations on Linux systems.

Jobs You Can Land With This Course

  • PostgreSQL Database Administrator (DBA)
    Manage and maintain PostgreSQL databases on Linux-based servers.

  • Linux System Administrator (with PostgreSQL focus)
    Administer Linux systems with an emphasis on supporting PostgreSQL environments.

  • DevOps Engineer
    Automate deployment and monitoring of PostgreSQL databases in Linux-based infrastructures.

  • Database Developer
    Build and optimize database-driven applications with strong command-line and scripting skills.

  • Site Reliability Engineer (SRE)
    Ensure the availability and performance of PostgreSQL systems running on Linux.

  • Technical Support Engineer (Linux & Database)
    Troubleshoot issues related to PostgreSQL and Linux systems for enterprise environments.

  • Cloud Infrastructure Engineer
    Deploy and manage PostgreSQL instances on Linux-based cloud platforms like AWS, Azure, or GCP.

  • IT Operations Specialist
    Oversee server operations, user access, and security policies for PostgreSQL deployments.

  • Data Engineer
    Work with large datasets and pipelines involving PostgreSQL databases on Linux servers.

  • Junior DevOps or SysAdmin Intern
    Entry-level roles that lead to PostgreSQL and Linux administration careers.

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Exam Preparation

Instructor-Led Training(events)

Whether you’re looking for in-classroom or live online training, CertFirst offers best-in-class instructor-led training for both individuals and teams. 

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