Bøger af Erik Benner

Get to grips with cloud security fundamentals, uncover cloud exploits, and safeguard your organization's network through effective pentesting of AWS, Azure, and GCPKey FeaturesEffortlessly upgrade from Oracle Linux 7 or migrate from CentOSBecome a pro sysadmin by learning new tricks to manage your Oracle Linux serversLearn how to install, configure, administer, and maintain Oracle Linux serversPurchase of the print or Kindle book includes a free PDF eBookBook DescriptionDiscover the power of Oracle Linux 8, the free and enterprise-grade Linux distribution designed for use in any environment, with this recipe-style book.Starting with instructions on how to obtain Oracle Linux for both X86 and ARM-based platforms, this book walks you through various installation methods, from running it as a Windows service to installing it on a Raspberry Pi. It unravels advanced topics such as system upgrades using Leapp for major version transitions and using a PXE server and kickstart files for more advanced installations. The book then delves into swapping kernels to take advantage of Oracle's UEK, exploring boot options, managing software with DNF, and achieving high availability. Detailed recipes involving security topics will assist with tasks such as data encryption, both at rest and in motion.For developers, it offers guidance on building RPM files, using Docker and Podman in a containerized environment, working with AppStreams, and more. For large-scale deployments, the book introduces Oracle Linux Automation Manager for enterprise-level Ansible utilization, from setting up the Ansible server to basic playbook writing. Finally, you'll discover strategies for cloud migration.By the end of this book, you'll possess a comprehensive toolkit that will elevate your skills as a Linux administrator.What you will learnMaster the use of DNF for package management and stream-specific installationsImplement high availability services through Podman and Oracle Linux Automation ManagerSecure your system with Secure Boot and at-rest disk encryption techniquesAchieve rebootless system updates using the Ksplice technologyOptimize large-scale deployments with Oracle Linux Automation Manager and AnsibleGain practical insights into storage management using Btrfs and LVMWho this book is forThis book is for existing Oracle Linux system administrators and CentOS or RHEL admins contemplating a migration to Oracle Linux 8. A foundation of basic sysadmin skills is assumed as this is not an entry-level book; it's a cookbook focused on complex and lesser-known configurations specifically for Oracle Linux 8.Table of ContentsOracle Linux 8 - Get It? Got It? Good!Installing with and without Automation MagicExploring the Various Boot Options and Kernels in Oracle LinuxCreating and Managing Single-Instance FilesystemsSoftware Management with DNFEliminating All the SPOFs! An Exercise in RedundancyOracle Linux 8 - Patching Doesn't Have to Mean RebootingDevOps Automation Tools - Terraform, Ansible, Packer, and MoreKeeping the Data Safe - Securing a SystemRevisiting Modules and AppStreamsLions, Tigers, and Containers - Oh My! Podman and FriendsNavigating Ansible WatersLet's All Go to the Cloud

Practical Oracle Database Appliance is a hands-on book taking you through the components and implementation of the Oracle Database Appliance. Learn about architecture, installation, configuration, and reconfiguration. Install and configure the Oracle Database Appliance with confidence. Make the right choices between the various configurations in order to realize your performance requirements. Manage and monitor the appliance to meet business requirements. Protect your data through proper backup and recovery procedures.Oracle Database is one of the most relied-up databases in industry. For many years Oracle Database was a software product that had to be installed and configured at no small expense. The Oracle Database Appliance makes Oracle Database into a plug-and-play proposition: Plug the appliance into the wall socket, and turn it on. That's it. You have a running database server. This book takes you through that beginning point and beyond, helping you to realize in your own organization the ease of deployment and management represented by the appliance. Covers the Oracle Database Appliance from architecture through configuration. Provides a technical resource for system- and database administrators. Examines practical use cases for the Oracle Database Appliance.