Ubuntu Server Essentials电子书

Ubuntu Server Essentials

Table of Contents

Ubuntu Server Essentials

Credits

About the Author

About the Reviewers

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Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. The Ubuntu Server Installation

Preparation before the installation

The latest Ubuntu release

System requirements

Additional resources

The manual installation

A simple installation from a CD

Upgrading from an old release

The advanced installation

Using RAID

Using LVM

The automated installation

The PXE process

The PXE installation procedure

Additional resources

Summary

2. Configuring and Administering Ubuntu Server

Administering using the command line

The package management for an Ubuntu Server

Package repositories

Package management utilities

The dpkg tool

The aptitude tool

The apt tools

Adding software collections using tasksel

The network configuration for an Ubuntu Server

The configuration files

The network utilities

Performing essential system administration tasks

Monitoring resources

Processes management

Scheduling the processes that need to be run

Summary

3. Deploying Servers on Ubuntu

Deploying an OpenSSH server

Installing the OpenSSH server

Configuring the OpenSSH server

Setting up a DNS server

The BIND installation

Ubuntu's BIND conventions

Configuring BIND

Zone file configuration

DNS redundancy

DNS testing

Turning on a web server

The LAMP Installation

Ubuntu's LAMP Conventions

Apache management and testing

apache2ctl

Stopping Apache gracefully

Diagnostic apache2ctl commands

Deploying an e-mail server

The MTA server

Installing Postfix

Managing Postfix


The MDA server

Filters and security for an e-mail server

Other facilities

Setting up a database server

The MySQL server

The Postgre server

Setting up a DHCP server

Installing DHCP

Ubuntu DHCP Conventions

Configuring DHCP

Installing a file server

The FTP server

The Samba server

Summary

4. Security with Ubuntu

The basic security settings

Managing users

User account administration

Password administration

Permission settings

File ownership

Configuring permissions

Applying quota to user accounts

Configuring administration tasks with sudo

Configuring the AppArmor tool

Advanced security configuration

SSH security enhancement

Configuring firewalls

Backuping and restoring

The principles of backup

Drive imaging

Database backups

Backup tools

Summary

5. Virtualization and Cloud Computing inside the Ubuntu Server

Virtualization

An introduction to virtualization

The benefits of virtualization

Different techniques of virtualization

Type 1 hypervisor

Type 2 hypervisor

An isolator

The different approaches towards virtualization

Paravirtualization

Full virtualization

KVM (Kernel-based Virtual Machine)

Prerequisites

Configuring the KVM networking

The KVM installation

Managing virtual machines

XenServer

Prerequisites

Installing XenServer

The networking concept in a XenServer environment

Managing virtual machines

An introduction to Docker

How Docker works

Installing Docker

Using Docker

Cloud computing for the Ubuntu Server

The ownCloud software

The technology used in ownCloud

The ownCloud server installation

CozyCloud

Installing CozyCloud on Ubuntu Server

Using CozyCloud

OpenStack

OpenStack tools

Juju

MAAS

Landscape

LXD

Snappy

The OpenStack setup

Installing OpenStack using DevStack

The manual installation

Summary

6. Tips and Tricks for Ubuntu Server

General tips

Ubuntu Server CLI tips and tricks

How to prevent server daemons from starting during installation

How to move or copy a directory

System resource limits

Running a command over and over

Troubleshooting tips

Customizing log rotation on Ubuntu Server

The main system log files

Checking opened files

Getting information from /proc

Recovering the root password under Ubuntu Server

Useful tools and utilities

NetHogs, a network monitoring tool

vnStat, a network monitoring tool

Tailing multiple files using multitail

The program cockpit – a remote manager for Ubuntu servers

Webmin: the famous system administration tool

Using the uvtool program and extending the use of Cloud images

Summary

Index