Ubuntu 15.04 Server with Systemd: Administration and Reference

712 Pages·2015·7.58 MB·English

by  Richard Petersen

Ubuntu 15.04 Server with systemd:
Administration and Reference
to Larisa and Aleina Ubuntu 15.04 Server with systemd: Administration and
Reference
Richard Petersen
Surfing Turtle Press Alameda, CA www.surfingturtlepress.com
Please send inquires to: [email protected]
ISBN-13 978-1-936280-97-1
ISBN 1-936280-97-3
Copyright Richard Petersen, 2015
All rights reserved Copyright 2015 by Richard Petersen. All rights reserved.
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Preface
This book is designed as an Ubuntu 15.04 Server administration and
reference source, covering the Ubuntu servers and their support applications.
Server tools are covered as well as the underlying configuration files and system
implementations. The emphasis is on what administrators will need to know to
perform key server support and management tasks. Coverage of the systemd
service management system is integrated into the book, replacing the deprecated
Upstart system. Topics covered include software management, systemd service
management, AppArmor security, OpenSSH, and the Network Time Protocol.
Key servers are examined, including Web, FTP, CUPS printing, NFS, and Samba
Windows shares. Network support servers and applications covered include the
Squid proxy server, the Domain Name System (BIND) server, DHCP, distributed
network file systems, IPtables firewalls, and cloud computing.
The book is organized into five parts: getting started, services, shared
resources, network support, and shells.
Part 1 focuses on basic tasks such as installing the Ubuntu Server CD,
managing software from the Ubuntu repository, and basic usage for the desktop
and the command line interfaces.
Part 2 examines Internet servers as well as how services are managed by
systemd using unit files. Configuration and implementation of the Postfix mail
server, the vsftpd FTP server, the Apache Web server, as well as news and
database servers are covered in detail.
Part 3 deals with servers that provide shared resources on a local network or
the Internet. Services examined include the CUPS printing server, NFS Linux
network file server, and Samba Windows file and printing server, the GFS
distributed file system, and cloud computing services supported by Ubuntu.
Part 4 covers servers that provide network support, like the Squid proxy
server, the Bind Domain Name System (DNS) server, DHCP servers, and the
IPtables and FirewallD firewalls. Key networking operations are also examined
like IPv6 auto-configuration, TPC/IP networking, and network monitoring tools.
Part 5 provides a review of shell commands, including those used for
managing files, as well as shell scripts, variables, and configuration files. The
Ubuntu Server CD only installs a command line interface, with no desktop. To
manage your system and its files you will need to know the shell commands.

Overview
Ubuntu 15.04 Server with systemd: Administration and Reference
Preface
Overview
Contents
Part 1: Getting Started
1. Introduction to Ubuntu Linux
2. Installing the Ubuntu Server
3. Usage Basics: Login, Interfaces, and Help
4. Managing Software
Part 2: Services
5. Managing Services with systemd
6. Mail Servers
7. FTP
8. Web Servers
9. News and Database Services
Part 3: Shared Resources
10. Print Services
11. Network File Systems, Network Information System, and Distributed
Network File Systems: NFS, NIS, and GFS
12. Samba
13. Cloud Computing
Part 4: Network Support
14. Proxy Servers: Squid
15. Domain Name System
16. Network Auto-configuration with IPv6, DHCPv6, and DHCP
17. Firewalls
18. Administering TCP/IP Networks
Part 5: Shells
19. Shells
20. Working with files and directories
21. Shell Variables and Scripts
22. Shell Configuration
Table Listing
Figure Listing
Index

A B C D E F G H I J K L M N O P Q R
S T U V W Z
Contents
Ubuntu 15.04 Server with systemd: Administration and Reference
Preface
Overview
Contents
Part 1: Getting Started
1. Introduction to Ubuntu Linux
Ubuntu Server
Ubuntu 15.04 Server Installation Alternatives and Options
Server on the desktop installation
Desktop on the Server installation
Minimal GNOME desktop
ubuntu-desktop
Server install options
Ubuntu 15.04 Features
Managing Systems with Landscape
Ubuntu Linux Help and Documentation
help.ubuntu.com
ubuntuforums.org
Linux documentation
2. Installing the Ubuntu Server
Upgrading
Ubuntu Server CD
Getting the Install Server CD
Installing Ubuntu from the Server CD
Installation Overview
Starting the Installation Program
Starting the Ubuntu Installation
Language and Keyboard
Network Configuration and Cobbler
Create administrative user
Time Zone
Partitions
Guided Partitioning with LVM
Manual Partitioning
Reuse existing Linux partitions on a hard drive
Select server software: Package Tasks
Recovery, rescue, and boot loader re-install
Recovery
Rescue a broken system with the Ubuntu Server CD
Re-Installing the Boot Loader
Metal as a Service (MAAS)
3. Usage Basics: Login, Interfaces, and Help
Ubuntu Server startup
Grub selection and editing
The Command Line Interface
Accessing Ubuntu from the Command Line Interface
Using the Command Line Interface
Accessing USB drives from the Command line Interface on a Server.
Setting the date and time
Editing files with the command line interface: text editors
Help Resources accessible from the command line
Application Documentation
The Man Pages
The Info Pages
Using the Ubuntu Desktop Interface
The Light Display Manager: LightDM
The Session menu and the User Switcher
Guest login
Lock Screen
Shut down and Logging out
The Ubuntu Desktop (Unity)
Ubuntu Unity
Gnome file manager (Nautilus)
Network Connections from the desktop
Network Manager wired connections
Network Manager wireless connections
Network Manager options
Setting up shared directories on the desktop (nautilus-share)
Terminal Window on the desktop
System Settings
Ubuntu Help Center on the desktop
Ubuntu Desktop Guide
4. Managing Software
Ubuntu Package Management Software
Command Line interface tools
Desktop tools
Ubuntu Software Repositories
Repository Components
Repositories
Ubuntu Repository Configuration file: sources.list and sources.list.d
Software Management with Tasksel, DEB, APT, and DKPG
DEB Software Packages
Installing and Removing Software with tasksel
Managing software with Aptitude
Managing software with APT
Updating packages (Upgrading) with apt-get
Command Line Search and Information: dpkg-query and apt-cache tools
Source code files
Managing Software from the Ubuntu Desktop
Repositories managed from Ubuntu Desktop: Software & Updates
Managing Packages with the Ubuntu Software Center
Synaptic Package Manager
Properties
Installing packages
Removing packages
Updating Ubuntu with Software Updater
Installing Software from the Applications Dash
Ubuntu Software Center for separate DEB packages
Software Package Types
Managing non-repository packages with dpkg
Installing Software from Compressed Archives: .tar.gz
Decompressing and Extracting Software
Compiling Software
Checking Software Package Digital Signatures
Importing Software Public keys with apt-key
Checking Software Compressed Archives
Part 2: Services
5. Managing Services with systemd
systemd
systemd basic configuration files
units
unit file syntax
special targets
Modifying unit files: etcsystemd/system