Description
Book SynopsisOffers practical knowledge for managing a complete range of Linux systems and servers. This book summarizes the steps you need to build products ranging from standalone SOHO hubs, web servers, and LAN servers to load balanced clusters and servers consolidated through virtualization. It also teaches you to back up data and create shell scripts.
Table of ContentsPreface 1. Requirements for a Linux System Administrator About This Book How Can We Help? Where Do You Start? Do You Need a Book? Who Needs You? What System Managers Should Know About Linux What's Next 2. Setting Up a Linux Multifunction Server Server Requirements Installing Debian Logging in Remotely Configuring the Network Changing the Default Debian Packages Setting Up Quotas Providing Domain Name Services Adding a Relational Database: MySQL Configuring Mail Securely with Postfix, POP3, and IMAP Putting Apache to Work Adding FTP Services with ProFTPD Summarizing Your Web Statistics with Webalizer Synchronizing the System Clock Installing Perl Modules Needed by SpamAssassin What's Next 3. The Domain Name System DNS Basics Getting into the BIND Setting Up a DNS Server Configuring an Authoritative DNS Server Editing the Configuration Files BIND Tools Troubleshooting BIND What's Next 4. An Initial Internet-Ready Environment Installing ISPConfig Setting Up a Server and Users with ISPConfig Safeguarding a Linux Web Server What's Next 5. Mail Key Mail Service Terms Postfix, Sendmail, and Other MTAs The Postfix SMTP Mail Server on Debian Adding Authentication and Encryption Configuring POP3 and IMAP Mail Delivery Agents Email Client Configuration What's Next 6. Administering Apache Static and Dynamic Files A Simple LAMP Setup Installation Apache Configuration Files Logfiles SSL/TLS Encryption suEXEC Support Benchmarking Installing and Administering Drupal Troubleshooting Further Reading 7. Load-Balanced Clusters Load Balancing and High Availability Scaling Without LB and HA Further Reading 8. Local Network Services Distributed Filesystems Introduction to Samba Configuring the Network DHCP Gateway Services Print Services User Management 9. Virtualization in the Modern Enterprise Why Virtualization Is Popular High-Performance Computing Installing Xen on Fedora 5 Installing VMware Virtualization: A Passing Fad? 10. Scripting bash Beginnings Useful Elements for bash Scripts Scripting Language Shootout Further Reading 11. Backing Up Data Backing Up User Data to a Server with rsync tar Archives Saving Files on Optical Media Backing Up and Archiving to Tape with Amanda Backing Up MySQL Data Appendix. bash Script Samples Index