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Books : Computers & Internet : Operating Systems : Unix : Administration
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Python is an ideal language for solving problems, especially in Linux and Unix networks. With this pragmatic book, administrators can review various tasks that often occur in the management of these systems, and learn how Python can provide a more efficient and less painful way to handle them.
Each chapter in Python for Unix and Linux System Administration presents a particular administrative issue, such as concurrency or data backup, and presents Python solutions through hands-on examples. Once you finish this book, you'll be able to develop your own set of command-line utilities with Python to tackle a wide range of problems. Discover how this language can help you:
- Read text files and extract information
- Run tasks concurrently using the threading and forking options
- Get information from one process to another using network facilities
- Create clickable GUIs to handle large and complex utilities
- Monitor large clusters of machines by interacting with SNMP programmatically
- Master the IPython Interactive Python shell to replace or augment Bash, Korn, or Z-Shell
- Integrate Cloud Computing into your infrastructure, and learn to write a Google App Engine Application
- Solve unique data backup challenges with customized scripts
- Interact with MySQL, SQLite, Oracle, Postgres, Django ORM, and SQLAlchemy
With this book, you'll learn how to package and deploy your Python applications and libraries, and write code that runs equally well on multiple Unix platforms. You'll also learn about several Python-related technologies that will make your life much easier.
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UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, then shows you how to take basic syntax and turn it into a shell scripting solution. Covering Bash, Bourne, and Korn shell scripting, this updated edition provides complete shell scripts plus detailed descriptions of each part. UNIX programmers and system administrators can tailor these to build tools that monitor for specific system events and situations, building solid UNIX shell scripting skills to solve real-world system administration problems.
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Linux Server Hacks, Volume Two: Tips & Tools for Connecting, Monitoring, and Troubleshooting (Hacks)
Today's system administrators deal with a vast number of situations, operating systems, software packages, and problems. Those who are in the know have kept their copy of Linux Server Hacks close at hand to ease their burden. And while this helps, it's not enough: any sys admin knows there are many more hacks, cool tips, and ways of solving problems than can fit in a single volume (one that mere mortals can lift, that is).Which is why we created Linux Server Hacks, Volume Two, a second collection of incredibly useful tips and tricks for finding and using dozens of open source tools you can apply to solve your sys admin problems. The power and flexibility of Linux and Open Source means that there is an astounding amount of great software out there waiting to be applied to your sys admin problems -- if only you knew about it and had enough information to get started. Hence, Linux Server Hacks, Volume Two.
This handy reference offers 100 completely new server management tips and techniques designed to improve your productivity and sharpen your administrative skills. Each hack represents a clever way to accomplish a specific task, saving you countless hours of searching for the right answer. No more sifting through man pages, HOWTO websites, or source code comments -- the only resource you need is right here. And you don't have to be a system administrator with hundreds of boxen to get something useful from this book as many of the hacks apply equally well to a single system or a home network.
Compiled by experts, these hacks not only give you the step-by-step instructions necessary to implement the software, but they also provide the context to truly enable you to learn the technology. Topics include:
- Authentication
- Remote GUI connectivity
- Storage management
- File sharing and synchronizing resources
- Security/lockdown instruction
- Log files and monitoring
- Troubleshooting
- System rescue, recovery, and repair
Whether they help you recover lost data, collect information from distributed clients, or synchronize administrative environments, the solutions found in Linux Server Hacks, Volume Two will simplify your life as a system administrator.
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This unique and valuable collection of tips, tools, and scripts provides clear, concise, hands-on solutions that can be applied to the challenges facing anyone running a network of Linux servers from small networks to large data centers in the practical and popular problem-solution-discussion O'Reilly cookbook format. The Linux Cookbook covers everything you'd expect: backups, new users, and the like. But it also covers the non-obvious information that is often ignored in other books the time-sinks and headaches that are a real part of an administrator's job, such as: dealing with odd kinds of devices that Linux historically hasn't supported well, building multi-boot systems, and handling things like video and audio. The knowledge needed to install, deploy, and maintain Linux is not easily found, and no Linux distribution gets it just right. Scattered information can be found in a pile of man pages, texinfo files, and source code comments, but the best source of information is the experts themselves who built up a working knowledge of managing Linux systems. This cookbook's proven techniques distill years of hard-won experience into practical cut-and-paste solutions to everyday Linux dilemmas. Use just one recipe from this varied collection of real-world solutions, and the hours of tedious trial-and-error saved will more than pay for the cost of the book. But those who prefer to learn hands-on will find that this cookbook not only solves immediate problems quickly, it also cuts right to the chase pointing out potential pitfalls and illustrating tested practices that can be applied to a myriad of other situations. Whether you're responsible for a small Linux system, a huge corporate system, or a mixed Linux/Windows/MacOS network, you'll find valuable, to-the-point, practical recipes for dealing with Linux systems everyday. The Linux Cookbook is more than a time-saver; it's a sanity saver.
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The recommended audience is shown as "Intermediate-Advanced" and I would agree with that 100% Administrators of larger networks will find this (book) relevant to their work.
— Anthony Lawrence, http://aplawrence.com
Wouldnt you like to automate the tedious daily tasks of system administration? Automating UNIX and Linux Administration will show you how, by exploring existing tools and offering real-world examples. Although some of the book is Linux-specific, most of the information applies to any UNIX system, including material on automating tasks across multiple variants of UNIX. Author Kirk Bauer briefly overviews tools and technologiesand assumes preliminary knowledge about editing a configuration file or mounting a file system.
The techniques, methods, and tools in this book will help you manage a single systembut will prove especially powerful across multiple systems. No matter if the systems are desktops, servers, or Beowulf clustersall of them will benefit from this automation. And managing five to five thousand systems will become a simpler task!
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Linux consistently appears high up in the list of popular Internet servers, whether it's for the Web, anonymous FTP, or general services such as DNS and delivering mail. But security is the foremost concern of anyone providing such a service. Any server experiences casual probe attempts dozens of time a day, and serious break-in attempts with some frequency as well. This highly regarded book, originally titled Building Secure Servers with Linux, combines practical advice with a firm knowledge of the technical tools needed to ensure security. The book focuses on the most common use of Linux--as a hub offering services to an organization or the Internet--and shows readers how to harden their hosts against attacks. An all-inclusive resource for Linux users who wish to harden their systems, Linux Server Security covers general security such as intrusion detection and firewalling a hub, as well as key services such as DNS, the Apache Web server, mail, and secure shell. Author Michael D. Bauer, a security consultant, network architect, and lead author of the popular Paranoid Penguin column in the Linux Journal, carefully outlines the security risks, defines precautions that can minimize those risks, and offers recipes for robust security. He is joined on several chapters by administrator and developer Bill Lubanovic. A number of new security topics have been added for this edition, including:- Database security, with a focus on MySQL
- Using OpenLDAP for authentication
- An introduction to email encryption
- The Cyrus IMAP service, a popular mail delivery agent
- The vsftpd FTP server
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This authorized guide from Oracle Press explains how to administer Oracle9i on all of the major UNIX platforms, including Solaris, HP-UNIX and IBM-UNIX, and Linux. Inside, you'll find proven techniques and UNIX scripts that can be used to perform dozens of UNIX-related tasks.
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Learn to administer UNIX from both a network and single system perspective with help from this introductory resource. You'll get clear advice on everything from installation and configuration to setting up important services such as Web Server, FTP, SNMP, DNS, as well as other key functions. You'll also find specific information for the Solaris, HP-UX, and AIX platforms.
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In the wake of the highly successful Sams Teach Yourself Unix in 24 Hours, this book focuses on the additional Unix commands that an advanced user or beginning system administrator needs to know in order to administer and maintain a Unix system. The book includes coverage of the key Unix variations: Red Hat Linux, Solaris, HP-UX, and Apple's Mac OS X environment. The book will not be a comprehensive solution to all problems facing new system administrators, but instead is a tutorial introduction to the process of learning about and maintaining a running Unix server.
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The new edition of this popular book continues to explore the wealth of information available for network management--showing users how to get data about a network and how to apply that data in managing a network effectively. It includes a survey of the latest available network management tools, and explains the OSF DCE/DME documents and their relation to internetworking and network management.
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The BIND 9 DNS Administration Reference Book is a convenient resource covering the tools and configurations for the ISC BIND 9 DNS software suite. BIND (Berkeley Internet Name Domain) is the most commonly-used DNS server on the Internet. BIND provides the named DNS server, a resolver library, and various tools for operating and verifying the DNS server and configurations. The BIND 9 implementation includes DNSSEC for signed zones, TSIG for signed DNS requests, IPv6 support, incremental zone transfers (IXFR), dynamic DNS, zone change notifications, EDNS0, multiple views, multi- processor support, and more. This printed book is based on a variety of open source documentation included with the BIND source code, including the definitive references for the configuration syntax and grammar and the usage of the BIND programs. New chapters and content were added, including many examples and detailed indexing and cross-referencing. This BIND 9 DNS Administration Reference Book corresponds to BIND 9.5 and also covers some differences between older versions.
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Tru64 UNIX System Administrator's Guide is an indispensable aid for Tru64 UNIX system administrators. Its clear explanations and practical, step-by-step instructions are invaluable to both new and experienced administrators dealing with the latest UNIX operating systems. Several top Compaq employees from their Tru64 UNIX group co-authored this revision and reveal their most useful shortcuts and "how-tos" as well as pointing out pitfalls to be avoided. The material included in its pages can't be found in any other publication.
The Digital Press title Tru64 UNIX File System Administration Handbook by Steve Hancock offers complementary coverage for Compaq's UNIX users.
This is the only book available for Tru64 UNIX system administrators. It provides practical, step-by-step tutelage to system administrators dealing with the latest (version 5.1) UNIX operating systems. Several top Compaq employees from their Tru64 UNIX group co-authored this book and added their expertise and experience to the material included in its pages. The Digital Press title Tru64 UNIX File System Administration Handbook by Steve Hancock offers complementary coverage for Compaq's UNIX users.
New edition of Cheek's best-selling Digital UNIX System Administrator's Guide
Covers Version 5.1
Authored by a team of specialists
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Whether you need a network of ten Linux PCs and a server or a datacenter with a few thousand Unix nodes, you need to know how to automate much of the installation, configuration, and standard system administration.
Build your network once using cfengine, and the network build will work, without user intervention, on any hardware you prefer. Automating Linux and Unix System Administration, Second Edition is unique in its focus on how to make the system administrator’s job easier and more efficient: instead of just managing the system administrator’s time, the book explains the technology to automate repetitive tasks and the methodology to automate successfully.
- Both new and seasoned professionals will profit from industry–leading insights into the automation process.
- System administrators will attain a thorough grasp of cfengine, kickstart, and shell scripting for automation.
- After reading all chapters and following all exercises in this book, the reader will be able to set up anything from a Linux datacenter to a small office network.
What you’ll learn
See how to make changes on many UNIX and Linux hosts at once in a reliable and repeatable manner.
- Learn how to automate things correctly so you only have to do it once, by leveraging the authors’ experience in setting up small, medium, and large networks.
- Set up a Linux datacenter or a network correctly.
- Explore handling real–world environments where not all hosts are configured alike via a case study of a fictional new datacenter buildout.
- Examine real–world examples for core infrastructure services (DNS, mail, LDAP, cfengine, imaging) to build on in your environment.
- Understand core system administration best practices, which are a key part of how cfengine and automations deployments are outlined in the book.
- Learn how to make changes reversible, repeatable, and correct the first time through interaction with product/application stakeholders (programmers, product managers, customers, etc.).
Who is this book for?
This book is for Linux system administrators who want to learn about the software and methodology to automate repetitive tasks—regardless of network or datacenter size—in one place. System managers will also find it much easier to think about network technology and automation projects if they read this book. This book is also for anyone who is interested in repeatable and secure infrastructure.
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The Concise Guide to DNS and BIND provides you with the technical depth and expert-level information you need to understand and administer DNS and BIND. Domain Name System (DNS) is a distributed Internet directory service. It is used mainly to translate between domain names and IP addresses, and to control Internet email delivery. Most Internet services rely on DNS to work, and if DNS fails, Web sites cannot be located and email delivery stalls. BIND (Berkeley Internet Name Daemon) is an implementation of the Domain Name System (DNS) protocols. This book covers setting up a DNS server and client, DNS domain zones, compiling and configuring BIND, dial-up connections, adding more domains, setting up root servers on private networks, firewall rules, Dynamic DNS (DDNS), subdomains and delegation, caching and name resolution, troubleshooting tools and techniques, debugging and logging, new features in BIND 8.2.2, and it offers introductory information on BIND 9.