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  • Book Overview & Buying OpenVZ Essentials
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OpenVZ Essentials

OpenVZ Essentials

By : Furman
4.5 (4)
Buy this Book
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OpenVZ Essentials

OpenVZ Essentials

4.5 (4)
By: Furman
Buy this Book

Overview of this book

If you are a system administrator or Linux professional who wants to learn to set up, install, and manage OpenVZ containers on a server to implement OS-level virtualization, then this book is for you. Along with elementary knowledge of Linux programming, you need to have a conceptual understanding of system components and functions.
Table of Contents (8 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Installing OpenVZ
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1. Installing OpenVZ
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What is OS-level virtualization?
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What is OpenVZ?
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System requirements
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The disk partition scheme
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The yum configuration
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Installing vzkernel
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Installing vzctl and vzquota
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Restarting the server
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Summary
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2. OS Templates and Creating Containers
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2. OS Templates and Creating Containers
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Getting started with OS templates
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Selecting an OS template
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Container configuration
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Summary
3
3. OpenVZ Container Administration
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3. OpenVZ Container Administration
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Using vzlist
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The vzctl command
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Using vzctl to suspend and resume a container
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Using vzctl to mount and unmount a container
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Disk quotas
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Further use of vzctl set
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Summary
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4. Server Administration Using OpenVZ
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4. Server Administration Using OpenVZ
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Important system files
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Managing and configuring the CPU
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Memory management
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The /var/log/vzctl.log file
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Summary
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5. Using OpenVZ Web Panel – Part One
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5. Using OpenVZ Web Panel – Part One
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OpenVZ Web Panel
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Configuring /opt/ovz-web-panel/config/config.yml
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Logging in to OpenVZ Web Panel
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Dashboard
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Physical servers
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Summary
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6. Using OpenVZ Web Panel – Part Two
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6. Using OpenVZ Web Panel – Part Two
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Understanding the virtual server information page
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IP Addresses
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My Profile
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Requests
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Tasks
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Events Log
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Logout
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Summary
7
Index
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Index

Using vzlist

The vzlist command is used to list the containers on a node. When you run vzlist on its own without any options, it will only list the containers that are currently running on the system:

vzlist

In the previous example, we used the vzlist command to list the containers that are currently running on the server.

Listing all the containers on the server

If you want to list all the containers on the server instead of just the containers that are currently running on the server, you will need to add -a after vzlist. This will tell vzlist to include all of the containers that are created on the node inside its output:

vzlist -a

In the previous example, we used the vzlist command with an -a flag to tell vzctl that we want to list all of the containers that have been created on the server.

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Tech Concepts
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Programming languages
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OpenVZ Essentials
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