OpenVZ Essentials电子书

OpenVZ Essentials

Table of Contents

OpenVZ Essentials

Credits

About the Author

About the Reviewers

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Installing OpenVZ

What is OS-level virtualization?

What is OpenVZ?

System requirements

The disk partition scheme

The yum configuration

Installing vzkernel

Installing vzctl and vzquota

Restarting the server

Summary

2. OS Templates and Creating Containers

Getting started with OS templates

Downloading OS templates

Using vztmpl-dl to download OS templates

Manually downloading OS templates

Selecting a container ID

Selecting an OS template

Creating a container

Container configuration

Configuring a container to start on boot

Setting the hostname

Setting an IP address

Setting a name server

Setting the root password

VE configuration files

Summary

3. OpenVZ Container Administration

Using vzlist

Listing all the containers on the server

The vzctl command

Starting a container

Stopping a container

Restarting a container

Using vzctl to suspend and resume a container

Suspending a container

Resuming a container

Destroying a container

Using vzctl to mount and unmount a container

Mounting a container

Unmounting a container

Disk quotas

Setting quotaon and quotaoff for a container

Turning on disk quota for a container

Turning off disk quota for a container

Setting disk quotas with vzctl set

Further use of vzctl set

--onboot

--bootorder

--userpasswd

--name

--description

--ipadd

--ipdel

--hostname

--disable

--ram

--swap

Summary

4. Server Administration Using OpenVZ

Important system files

Understanding the /etc/vz directory

Understanding the /vz directory

Understanding the /proc/user_beancounters file

Resources

Managing and configuring the CPU

CPU share

vzcpucheck

Setting up a container to use a set amount of CPU units

Configuring the number of CPUs used by a container

Memory management

vzmemcheck

LowMem

MemSwap

Allocated

vzmemcheck with the -v flag

vzmemcheck with the -A flag

The /var/log/vzctl.log file

Understanding the /var/log/vzctl.log file

Summary

5. Using OpenVZ Web Panel – Part One

OpenVZ Web Panel

Installing OpenVZ Web Panel

Configuring /etc/owp.conf

Configuring /opt/ovz-web-panel/config/config.yml

Hardware daemon

LDAP

Logging in to OpenVZ Web Panel

Dashboard

Physical servers

Localhost

OS templates

Installing a new OS template

Removing a template

Server templates

Adding a server template

Changing a server template

Removing a server template

Virtual servers list

Managing the virtual server

Making a virtual server

Changing the settings

Removing a virtual server

Changing the state of the container

Summary

6. Using OpenVZ Web Panel – Part Two

Understanding the virtual server information page

Change state

Change settings

Limits

Tools

Reinstall

Backup

Backing up a container

Restoring the container

Deleting the backup

Clone

Create Template

Console

IP Addresses

IP pools list

Create IP pool

Edit IP pool

Remove IP pool

IP addresses list

My Profile

Users

Add User

Edit User

Enable/disable user account

Disabling a user's account

Enabling a user's account

Delete User

Requests

Create Request

Details

Add comment

Close request

Delete Request

Tasks

Events Log

Logout

Summary

Index