- Using the firewall-cmd file or by deploying XML files in the /etc/firewalld directory.
- Otherwise it's runtime only and not persistent across reboots.
- In Linux, you can restrict access using ACLs in Systemd. Some applications also provides other Host Allow/Deny options. In Azure, you have the network security groups and the Azure Firewall service.
- DAC restricts access based on users/groups and permissions on files. MAC further restricts access based on classification labels for each resource object.
- If you gain access illegally to an application or system, in DAC, there is no way to prevent further access, especially for files with the same user/group owner and files with permissions for others. MAC frameworks utilitizing the Linux Security Modules to fix this problem are as follows:
- SELinux: Red Hat-based distributions...
Hands-On Linux Administration on Azure
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Hands-On Linux Administration on Azure
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Overview of this book
Azure’s market share has increased massively and enterprises are adopting it rapidly, while Linux is a widely-used operating system and has proven to be one of the most popular workloads on Azure. It has thus become crucial for Linux administrators and Microsoft professionals to be well versed with managing Linux workloads in an Azure environment.
With this guide, system administrators will be able to deploy, automate, and orchestrate containers in Linux on Azure. The book follows a hands-on approach to help you understand DevOps, monitor Linux workloads on Azure and perform advanced system administration. Complete with systematic explanations of concepts, examples and self-assessment questions, the chapters will give you useful insights into Linux and Azure. You’ll explore some of Linux’s advanced features for managing multiple workloads and learn to deploy virtual machines (VMs) in Azure. Dedicated sections will also guide you with managing and extending Azure VMs’ capabilities and understanding automation and orchestration with Ansible and PowerShell DSC. In later chapters, you’ll cover useful Linux troubleshooting and monitoring techniques that will enable you to maintain your workload on Azure.
By the end of this book, you’ll be able to make the most out of Azure’s services to efficiently deploy and manage your Linux workloads.
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Current Title:
Hands-On Linux Administration on Azure
Table of Contents (14 chapters)
Preface
Free Chapter
Exploring the Azure Cloud
Getting Started with the Azure Cloud
Basic Linux Administration
Managing Azure
Advanced Linux Administration
Managing Linux Security and Identities
Deploying Your Virtual Machines
Exploring Continuous Configuration Automation
Container Virtualization in Azure
Working with Azure Kubernetes Service
Troubleshooting and Monitoring Your Workloads
Assessments
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