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Linux Administration

RH124: Red Hat System Administration I


Course content summary Introduction to the command line Managing physical storage Install and configure software components and services Establish network connections and control firewall restrictions Monitor and manage running processes Manage and secure files and file systems Administer users and groups Review the system log files and journal for issues Troubleshoot problems and analyze systems with Red Hat Insights Remotely manage systems with SSH and the Web Console
Audience for this course This course is geared toward Windows system administrators, network administrators, and other system administrators who are interested in supplementing current skills or backstopping other team members, in addition to Linux system administrators who are responsible for these tasks: Configuring, installing, upgrading, and maintaining Linux systems using established standards and procedures Providing operational support Managing systems for monitoring system performance and availability Writing and deploying scripts for task automation and system administration
Prerequisites for this course Basic technical user skills with computer applications on some operating systems are expected. Outline for this course Get started with Red Hat Enterprise Linux Describe and define open source, Linux distributions, and Red Hat Enterprise Linux. Access the command line Log into a Linux system and run simple commands using the shell. Manage files from the command line Copy, move, create, delete, and organize files while working from the bash shell. Get help in Red Hat Enterprise Linux Resolve problems by using local help systems. Create, view, and edit text files Manage text files from command output or in a text editor. Manage local users and groups Create, manage, and delete local users and groups, as well as administer local password policies. Control access to files Set Linux file system permissions on files and interpret the security effects of different permission settings. Monitor and manage Linux processes Evaluate and control processes running on a Red Hat Enterprise Linux system. Control services and daemons Control and monitor network services and system daemons using systemd. Configure and secure SSH Configure secure command line service on remote systems, using OpenSSH. Analyze and store logs Locate and accurately interpret logs of system events for troubleshooting purposes. Manage networking Configure network interfaces and settings on Red Hat Enterprise Linux servers. Archive and transfer files Archive and copy files from one system to another. Install and update software Download, install, update, and manage software packages from Red Hat and yum package repositories. Access Linux files systems Access, inspect, and use existing file systems on storage attached to a Linux server. Analyze servers and get support Investigate and resolve issues in the web-based management interface, getting support from Red Hat to help solve problems. Comprehensive review Review the content covered in this course by completing hands-on exercises.




RH134: Red Hat System Administration II


Course summary Install Red Hat Enterprise Linux using scalable methods Access security files, file systems, and networks Execute shell scripting and automation techniques Manage storage devices, logical volumes, and file systems Manage security and system access Control the boot process and system services Running containers Audience for this course This course is geared toward Windows system administrators, network administrators, and other system administrators who are interested in supplementing current skills or backstopping other team members, in addition to Linux system administrators who are responsible for these tasks: Configuring, installing, upgrading, and maintaining Linux systems using established standards and procedures Providing operational support Managing systems for monitoring system performance and availability Writing and deploying scripts for task automation and system administration Recommended training Successful completion of Red Hat System Administration I (RH124) is recommended. Course Outline Improve command line productivity Run commands more efficiently by using advanced features of the Bash shell, shell scripts, and various utilities provided by Red Hat Enterprise Linux. Schedule future tasks Schedule commands to run in the future, either one time or on a repeating schedule. Tune system performance Improve system performance by setting tuning parameters and adjusting scheduling priority of processes. Control access to files with ACLs Interpret and set access control lists (ACLs) on files to handle situations requiring complex user and group access permissions. Manage SELinux security Protect and manage the security of a server by using SELinux. Manage basic storage Create and manage storage devices, partitions, file systems, and swap spaces from the command line. Manage logical volumes Create and manage logical volumes containing file systems and swap spaces from the command line. Implement advanced storage features Manage storage using the Stratis local storage management system and use VDO volumes to optimize storage space in use. Access network-attached storage Use the NFS protocol to administer network-attached storage. Control the boot process Manage the boot process to control services offered and to troubleshoot and repair problems. Manage network security Control network connections to services using the system firewall and SELinux rules. Install Red Hat Enterprise Linux Install Red Hat Enterprise Linux on servers and virtual machines. Run Containers Obtain, run, and manage simple, lightweight services as containers on a single Red Hat Enterprise Linux server.




RH254: Red Hat System Administration III


Course description Broaden your ability to administer Linux systems and prepare for your Red Hat Certified Engineer (RHCE) exam Red Hat System Administration III: Data Center Services for Red Hat Enterprise Linux 7 (RH254) is designed for experienced Linux® system administrators who hold a Red Hat Certified System Administrator (RHCSA®) credential or possess equivalent skills and want to broaden their ability to administer Linux systems at an enterprise level. This course is based on Red Hat® Enterprise Linux 7. The course is focused on deploying and managing network servers running caching domain name service (DNS), MariaDB, Apache HTTPD, Postfix SMTP nullclients, network file sharing with network file system (NFS) and server message block (SMB), iSCSI initiators and targets, advanced networking and firewalld configurations, and the use of bash shell scripting to help automate, configure, and troubleshoot the system. Through lectures and hands-on labs, students who have already earned the RHCSA credential will be exposed to all competencies covered by the Red Hat Certified Engineer (RHCE) exam (EX300). Audience for this course This course is intended for experienced Linux administrators wishing to learn enterprise-level automation techniques through scripting, how to deploy and secure network services, and how to manage other key security features of Red Hat Enterprise Linux. Prior to taking this course, you should have earned your RHCSA or possess equivalent skills. Prerequisites for this course RHCSA certification or equivalent experience Outline for this course Control services and daemons Review how to manage services and the boot-up process using systemctl. Manage IPv6 networking Configure and troubleshoot basic IPv6 networking on Red Hat Enterprise Linux systems. Configure link aggregation and bridging Configure and troubleshoot advanced network interface functionality including bonding, teaming, and local software bridges. Control network port security Permit and reject access to network services using advanced SELinux and firewalld filtering techniques. Manage DNS for servers Set and verify correct DNS records for systems and configure secure DNS caching. Configure email delivery Relay all email sent by the system to an SMTP gateway for central delivery. Provide block-based storage Provide and use networked iSCSI block devices as remote disks. Provide file-based storage Provide NFS exports and SMB file shares to specific systems and users. Configure MariaDB databases Provide a MariaDB SQL database for use by programs and database administrators. Provide Apache HTTPD web service Configure Apache HTTPD to provide Transport Layer Security (TLS)-enabled websites and virtual hosts. Write bash scripts Write simple shell scripts using bash. Bash conditionals and control structures Use bash conditionals and other control structures to write more sophisticated shell commands and scripts. Configure the shell environment Customize bash startup and use environment variables, bash aliases, and bash functions. Comprehensive review Practice and demonstrate knowledge and skills learned in this course.




EX200: Red Hat Certified System Administrator (RHCSA) exam


Exam description The performance-based Red Hat Certified System Administrator (RHCSA) exam (EX200) tests your knowledge in areas of system administration common across a wide range of environments and deployment scenarios. The skills tested in this exam are the foundation for system administration across all Red Hat® products. By passing this exam, you become a Red Hat Certified System Administrator. If you choose to continue your learning journey beyond RHCSA, the credential can also serve as a foundational step on your path toward our highest level of certification—Red Hat Certified Architect. Audience for this exam Experienced Red Hat Enterprise Linux system administrators seeking validation of their skills Students who have attended Red Hat System Administration I (RH124) and Red Hat System Administration II (RH134) and are on the path to becoming an RHCSA Experienced Linux system administrators who require a certification either by their organization or based on a mandate (DoD 8570 directive) IT professionals who are on the path to becoming a Red Hat Certified Engineer (RHCE) An RHCE who is noncurrent or who is about to become noncurrent and wants to recertify as an RHCE DevOps professionals who wish to demonstrate their expertise with the fundamentals of container technology Prerequisites for this exam Have either taken Red Hat System Administration I (RH124) and Red Hat System Administration II (RH134) or the RHCSA Rapid Track course (RH199) that combines those courses, or have comparable work experience as a system administrator on Red Hat Enterprise Linux Review the Red Hat Certified System Administrator exam (EX200) objectives




EX300: Red Hat Certified Engineer (RHCE) exam


Exam description The performance-based Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 7 (EX300) tests to determine if your knowledge, skill, and ability meet those required of a senior system administrator responsible for Red Hat® Enterprise Linux® systems. Red Hat Certified System Administrator (RHCSA®) certification is required to earn RHCE® certification. The exam based on Red Hat Enterprise Linux 7 is available via individual exams until July 1, 2020. Classroom and on-site exams for this version are available for purchase until October 1, 2020. An RHCE certification is earned by a Red Hat Certified System Administrator (RHCSA) who has demonstrated the knowledge, skill, and ability required of a senior system administrator responsible for Red Hat Enterprise Linux systems. Audience for this exam Experienced Linux IT professionals who currently have RHCSA certification and are interested in earning an RHCE certification Experienced Red Hat Enterprise Linux system administrators seeking validation of their skills Students who have attended the Red Hat System Administration I, II, and III courses or the RHCE Certification lab Experienced Linux system administrators who require a certification either by their organization or based on a mandate (DOD 8570 directive) An RHCE who is noncurrent and has passed the RHCSA exam Prerequisites for this exam RHCE Rapid Track Course, System Administration I, II, or III or equivalent experience Real-world system administration experience





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