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  1. Hi all Just wondering if anyone is using this device. Having trouble with it. It does not appear in the BIOS as an option, (my other, external sdcard reader does), ...and from linux, it is pretty much like it is not there at all. Oh.. I can see the USB hub fine, there is no issue with that and the USB ports all work Just no card reader. Even the led does not come on when I insert a sdcard. Sent it back to the shop.. and the guy tells me that it works on widoze 10. Not sure I trust this info, since I installed widoze10 just to see - and i could not make it work So just to start, simple question: Can anyone confirm that it is _not_ standard USB storage compatible ie it won't work everywhere a normal usb stick would eg form within the bios config screen Tx M
  2. Red Hat Certified Engineer (RHCE) This certification is one of the most sought-after certifications in IT for those working specifically with Linux system administration. The RHCE certification is obtained by passing the Red Hat EX294 examination. The RedHat EX294 exam validates your skills in automating tasks for Red Hat Enterprise Linux environments using The Ansible automation tool from IT. Through the EX294 exam, this guide will help you to get a picture of what is incorporated in (EX294) and fail proof key topics regarding your preparation. Overview of the Red Hat Certified System Administrator EX294 Exam EX294 Exam tests your utilization of Ansible to manage Red Hat Enterprise Linux systems. It builds on the skills you learned as a Red Hat Certified System Administrator (RHCSA), but covers automation and DevOps practices. You will write the actual tasks of a live delivery system, not multiple choice questions, because this is an exam that tests your performance. This way you may be able to put the results of your learning into practice. Red Hat EX294 Exam Structure The EX294 exam is a hands-on, practical exam that typically lasts 4 hours. You will be hosted on multiple Red Hat Enterprise Linux systems and need to do several things using Ansible at this stage. This is to test your ability in automating system administration tasks plus how well you configure Ansible and the manner in which you can manage different things using playbooks/roles. Key Points: Duration: 4 hours Format: Performance-based, hands-on tasks Environment: Red Hat Enterprise Linux systems Focus Areas: Ansible automation, system configuration, and management RedHat Red Hat Certified Engineer (RHCE) Exam Topics The Red Hat EX294 exam covers a range of topics essential for mastering Ansible automation. Below is a detailed breakdown of these topics: 1. Be Able to Perform All Tasks Expected of a Red Hat Certified System Administrator As a prerequisite, candidates should have a solid understanding of the tasks covered in the RHCSA certification. These tasks include managing users, files, software packages, and services on a Red Hat Enterprise Linux system. You should be comfortable performing these tasks manually, as they will serve as the foundation for automating them with Ansible. 2. Use Roles and Ansible Content Collections Ansible roles are a way to group tasks, variables, files, templates, and other resources into reusable components. Content Collections are a way to distribute and share Ansible roles, plugins, and modules. In the exam, you will be expected to: Create and use Ansible roles to organize your playbooks. Utilize Ansible Content Collections to leverage existing automation content. Example: You might need to create a role that configures an Apache web server and then apply this role across multiple systems using a playbook. 3. Install and Configure an Ansible Control Node The Ansible control node is the machine from which you run your playbooks. You'll need to demonstrate that you can: Install Ansible on a control node. Configure the control node by setting up the necessary inventories, configurations (e.g., ansible.cfg), and modules. Example: Installing Ansible via a package manager (like yum or dnf) and configuring the inventory to manage multiple target nodes. 4. Configure Ansible Managed Nodes Managed nodes are the systems that Ansible will control. You'll need to ensure that these systems are properly configured to communicate with the control node, which involves: Setting up SSH keys for password less authentication. Configuring the necessary users and permissions on managed nodes. Ensuring Python is installed (as Ansible requires Python to run on managed nodes). Example: Generating SSH keys on the control node and copying them to the managed nodes to enable Ansible automation. 5. Run Playbooks with Automation Content Navigator The Automation Content Navigator is a tool for running, testing, and debugging playbooks. The exam will test your ability to: Use the Automation Content Navigator to execute playbooks. Debug and troubleshoot playbook executions. Validate the output and ensure tasks are performed as expected. Example: Running a playbook using ansible-navigator and interpreting the output to verify successful execution. 6. Create Ansible Plays and Playbooks Playbooks are the heart of Ansible automation, allowing you to define a series of tasks in YAML format. You’ll be expected to: Write playbooks that perform multiple tasks across various systems. Use plays to organize tasks for different hosts or groups of hosts. Apply conditionals, loops, and handlers to control playbook execution. Example: Writing a playbook that installs and starts the Apache service, ensures a firewall rule is in place, and deploys a website. 7. Automate Standard RHCSA Tasks Using Ansible Modules Ansible modules are the building blocks of playbooks. You'll need to automate tasks that you might typically do manually as an RHCSA, such as: Managing users and groups. Installing and updating software packages. Configuring and managing services. Handling files and directories. Example: Using the user module to create a user, the yum module to install software, and the service module to ensure a service is running. 8. Manage Content Content management in Ansible involves organizing and maintaining your Ansible codebase. The exam will assess your ability to: Structure your playbooks, roles, and inventories in a logical manner. Use version control (e.g., Git) to manage your Ansible content. Utilize Ansible Galaxy for installing roles and collections from external sources. Example: Cloning an Ansible role from a Git repository, modifying it to suit your environment, and using it in your playbooks. Red Hat EX294 Exam Preparation Resources Preparation is key to success in the EX294 exam. Here are some resources to help you get ready: 1. Official Red Hat Training Course: Red Hat System Administration III: Linux Automation with Ansible (RH294) Description: This course is directly aligned with the EX294 exam and covers all the essential topics, providing hands-on labs and exercises. Link: Red Hat Training 2. Ansible Documentation Resource: Official Ansible Documentation Description: Comprehensive documentation on how to install, configure, and use Ansible, including examples of playbooks, roles, and modules. Link: Ansible Documentation 3. Books Title: "Ansible for DevOps" by Jeff Geerling Description: A practical guide to Ansible, covering a wide range of scenarios and use cases that are relevant to the EX294 exam. Link: Ansible for DevOps 5. Online Communities Resource: Reddit, Stack Overflow, and other forums. Description: Engage with other candidates and professionals to share tips, resources, and troubleshooting advice. Red Hat EX294 Exam Summary Red Hat EX294 is one of the best and most difficult certifications that tests your ability for automating Linux system administration tasks using Ansible. Success depends on how well you know RHCSA tasks, the ability to leverage Ansible for automation, and familiarity with playbooks, roles and managed nodes. Make use of the resources available, do sufficient practice and attempt the exam with confidence. Kulwin, the best way to pass EX294 not only using MEMORIZE command syntax but also learn when & how we use Ansible automation in any situation. Best of luck with your Red Hat Certified Engineer journey!
  3. I´m considering a new PSU. Is DPSapp is supported under Ubuntu?
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