About this Book

This book covers three main objectives: 1) to provide a resource to IT administrators who intend to take the new Red Hat Certified System Administrator (EX200) and the Red Hat Certified Engineer (EX300) exams and pass them; 2) to provide a quick and valuable on-the-job resource to Linux/UNIX administrators and programmers and DBAs working in the Linux environment; and 3) to provide an easy-to-understand guide to novice and non-RHEL administrators who intend to learn RHEL.

This book is divided into RHCSA and RHCE sections based on the exam objectives. It includes 21 chapters in total and is structured to facilitate readers to grasp concepts, understand implementation procedures, and learn commands, tools, configuration files, log files, and service daemons involved.

  1. The RHCSA Section (chapters 1 to 13) covers all the topics required to prepare for the RHCSA exam. Information presented includes general Linux concepts, basic commands, archiving, compression, file manipulation, file security, text editors, shell features, awk programming, hardware management, local installation, package administration, virtualization, network installation, automated installation, boot procedures, kernel management, user & group administration, disk partitioning, file system & swap management, basic firewall, SELinux, TCP Wrappers, basic networking, network interfaces, and DNS, DHCP, and LDAP client configuration.

  2. The RHCE Section (chapters 14 to 21) covers all the topics required to prepare for the RHCE exam. Information presented includes automating with scripting, building an rpm package, resource utilization reporting, network logging, advanced firewall, iSCSI, DNS server, Kerberos, routing, Internet services, kernel parameters, NTP client, email, NFS, Samba, FTP, Apache web server, and secure shell server.

Each chapter in the book begins with a list of major topics and exam objectives covered in the chapter and ends with a summary followed by review questions and practice lab exercises. Throughout the book, tables, figures, and screen shots have been furnished for ease of understanding. This book includes one sample exam for RHCSA and one sample exam for RHCE in the appendix, and you are expected to accomplish them on your systems using the knowledge and skills gained from reading this book and practicing the exercises and labs presented.

Red Hat Certified System Administrator (EX200) and the Red Hat Certified Engineer (EX300)
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