Episodes
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Ever wish you could troubleshoot your Red Hat Enterprise Linux server from anywhere? In this episode, we dive deep into Chapter 14 of Red Hat’s documentation, uncovering how to monitor, manage, and secure your servers—whether you're at your desk or on the go. Learn how to harness the power of the Web Console for real-time server control, create diagnostic reports with ease, and tap into Red Hat Insights for proactive problem-solving. From performance monitoring to automating patches with Ansible playbooks, we’ll show you how to stay ahead of server issues and keep your systems secure. Tune in for a crash course on Red Hat server management like never before. Happy troubleshooting!
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Got a USB drive full of vacation photos, but all you see are cryptic file names like /dev/sda1? Fear not! In this episode, we dive deep into Chapter 13 of the Red Hat Enterprise Linux guide, exploring the inner workings of Linux file systems. We'll explain the difference between storage devices and file systems, help you decipher those mysterious /devaddresses, and walk you through mounting and unmounting drives safely. Plus, we’ll introduce essential commands like df, du, and find—giving you the tools to track disk usage and locate even the most elusive files. Whether you're new to Linux or looking to sharpen your skills, this episode will help you navigate your file systems with confidence. Happy exploring!
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Missing episodes?
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Ready to take control of your Red Hat Enterprise Linux 9 system? In this episode, we’re diving into Chapter 12 of RHEL's training guide, giving you the inside scoop on RPMs, repositories, and the magic of DNF. Learn how RPMs act as your software building blocks, with their self-contained instructions, and discover the efficiency of Delta RPMs for seamless updates. We’ll explore DNF, the modern command-line tool for software management, covering essential commands like dnf install, list, and remove. Plus, we’ll break down the importance of trusted repositories, how to verify them with GPG keys, and why modularity ensures you always have the right software version. Whether you’re managing servers or just getting started, this episode has the tools you need to manage RHEL 9 software like a pro. Happy coding!
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Ready to level up your Linux networking skills? In this episode, we dive deep into Chapter 11 of the Red Hat Enterprise Linux guide, breaking down essential concepts like the TCP/IP model, IP addresses, subnetting, and the transition from IPv4 to IPv6. Whether you’re a sysadmin or just getting started, we’ll walk you through everything from network interface naming to routing tables, link-local addresses, and auto-configuration with SLAAC. Plus, we cover the must-know command line tools like ip, ping, traceroute, and nmcli to help you manage and troubleshoot networks like a pro. Join us for a practical, hands-on guide to mastering network configuration on Red Hat Enterprise Linux.
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Ever wanted to control your computer from anywhere securely, like a tech ninja? In this episode, we take a deep dive into **SSH** (Secure Shell), breaking down everything from remote access to key-based authentication. Using examples from a Red Hat Enterprise Linux guide, we demystify SSH host keys, secure logins, and even show you how to replace passwords with secure digital badges (keys). Learn how to protect your server by disabling direct root login and hear about the extra security layer of SSH key agents. Plus, we explore how SSH tunneling can create private, encrypted pathways to keep your connection secure—even on public Wi-Fi! Whether you’re new to SSH or looking to improve your skills, this episode has you covered. Tune in to become an SSH pro!
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Picture this: it’s 3 AM, and your Linux server crashes. What now? Don’t worry! In this episode, we’re diving deep into the world of systemd, your one-stop solution for managing Linux services and daemons. We’ll guide you through essential commands like systemctl, explain how services, sockets, and paths all work together, and even show you how to prevent those rogue services from wreaking havoc. Plus, we explore control groups (cgroups), so you can allocate resources like a pro. Whether you're just starting out or looking to fine-tune your sysadmin skills, this episode will give you the tools to manage your system efficiently and confidently. Ready to conduct your Linux orchestra? Let’s dive in!
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Ever wonder what’s really happening behind your computer's windows and icons? In this episode, we take you on a deep dive into the world of Linux processes, where programs come to life, and system performance is managed. Using a chef-filled kitchen analogy, we break down process states, load averages, and tools like top and bg to help you take control of your system. We’ll also discuss job control, signals, and the power of managing processes like a system administrator. Whether you’re a Linux newbie or just curious about how your computer works, this episode will give you a newfound appreciation for what’s happening backstage in your digital world. Tune in and become the conductor of your own system orchestra!
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Buckle up as we dive deep into the fascinating world of Linux file permissions! In this episode, we're breaking down the essentials of access control, from basic read, write, and execute permissions to advanced topics like chmod, chown, and umask. Using real-world examples, we’ll explain how user and group permissions work together to secure your system and streamline collaboration. Plus, we explore special permissions like SUID, SGID, and the sticky bit—tools that give you even more control over your files. Whether you're a beginner or looking to level up, this episode will help you master the intricacies of Linux file permissions. Tune in and take your Linux skills to the next level!
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Welcome to another deep dive, where today we're cracking open the Linux Administration Guide and diving headfirst into the fascinating world of user management. In this episode, we’ll explore the ins and outs of managing local users and groups, understanding UIDs, securing passwords with hashes and salts, and even wielding the power of the root user. We’ll cover practical tools like sudo, password expiration policies, and how to safely disable accounts without losing important data. Whether you're a Linux admin or just starting out, this episode will give you the skills to manage your system like a pro while keeping it secure. Tune in and learn how to balance access, security, and control in your Linux environment
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Ever feel like a hacker typing away at your computer? In this episode, we dive deep into the Linux command line, exploring how to harness the true power of Vim and shell scripting. From mastering standard input, output, and error to redirecting information like a pro, we’ll guide you through creating, viewing, and editing text files with ease. Plus, we’ll reveal the secrets of shell variables, environment customization, and startup scripts, helping you tailor the command line to fit your workflow. Whether you’re a beginner or looking to level up, this episode will give you the tools to bend your digital world to your will!
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Ever feel lost in a sea of tech documentation, like you're staring at a wall of ancient code? You're not alone. In this episode, we’re unraveling the mysteries of Linux man pages with help from a Red Hat guide, turning what could be dense tech jargon into your personal cheat sheet. Learn how to navigate commands like a pro, search through man pages with ease, and even format them for printing. Whether you're a Linux newbie or a seasoned explorer, we’ve got the tips and tricks to boost your command line confidence. Let's dive in and uncover the secret library of Linux wisdom!
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Ready to ditch the GUI and dive into the core of Linux? In this episode, we embark on a deep, but not-too-scary, exploration of the Linux file system. Think of it like walking through a well-organized library, with each directory serving a specific purpose, from system settings in the "VIP lounges" to your personal domain in "home." We'll navigate hidden files, explore command line essentials like pwd, cd, and mkdir, and even unlock the secrets of symbolic and hard links. Whether you're a Linux newbie or looking to level up your skills, join us as we take command of the command line and unlock the true power of the Linux file system. Let's explore!
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This episode delves into the power of the Linux command line, specifically focusing on the Bash shell. It provides an overview of the basic syntax of commands and demonstrates practical uses such as creating directories, checking the date and time, updating passwords, and analyzing file contents. The discussion also covers the benefits of commands like 'cat,' 'less,' 'head,' and 'tail' for file exploration and highlights time-saving shortcuts like tab completion and command history. Designed to give viewers a foundational understanding and encourage further exploration, this episode emphasizes the efficiency and control offered by the command line.
00:00 Introduction to the Power of the Command Line
00:56 Understanding the Bash Shell
01:47 Basic Command Syntax Explained
02:16 Creating Directories with Commands
02:45 Exploring Command Options
03:12 Practical Command Line Examples
04:51 File Analysis and Management
05:50 Viewing File Contents Efficiently
07:36 Time-Saving Command Line Shortcuts
08:48 Conclusion and Encouragement
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In this episode, we delve into the world of open source technology, unraveling what it means beyond just 'free software'. We explore the pivotal role of Linux in everyday tech, its adaptability from web servers to supercomputers, and how the modular design and command line interface add to its flexibility. Furthermore, we spotlight Red Hat's unique approach, blending open source principles with enterprise-ready solutions through Red Hat Enterprise Linux (RHEL), Fedora, and CentOS Stream. This episode demystifies open source, showing its impact, philosophy of collaboration and transparency, and invites listeners of all skill levels to explore this dynamic realm.
00:00 Introduction to Open Source
00:23 Understanding Open Source Benefits
01:13 Linux: The Ubiquitous Open Source OS
01:40 Linux in Everyday Technology
02:05 Linux in High-Performance Computing
02:41 The Power of the Command Line Interface
03:17 Red Hat's Role in Open Source
04:18 Red Hat's Ecosystem: Fedora, CentOS, and RHEL
05:21 Exploring Red Hat for Developers
05:43 Conclusion: The Philosophy of Open Source
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