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Roadmap View DetailsRH124 – RH System Administration I
Add StarPart 1 of the core system administration tasks needed for Red Hat Enterprise Linux
This course relates to Red Hat® Enterprise Linux® 7. Red Hat System Administration I (RH124) is designed for IT professionals without previous Linux administration experience. The course focuses on providing students with Linux administration “survival skills” by focusing on core administration tasks.
Course overview
Red Hat System Administration I provides a foundation for students wishing to become full-time Linux system administrators by introducing key command line concepts and other enterprise-level tools. These concepts are further developed in the follow-on course, Red Hat System Administration II (RH134).
Course content summary
- Introduction to the command line
- Managing physical storage
- Learning how to install and configure software components and services
- Establishing network connections and firewall access
- Monitoring and managing processes
- Managing and securing files
- Administrating users and groups
- Accessing Linux file systems
- Installing and using virtualized systems
- Reviewing the system log files and journal
Audience for this course
IT professionals across a broad range of disciplines who need to perform essential Linux administration tasks including installation, establishing network connectivity, managing physical storage, and basic security administration.
Prerequisites for this course
There are no formal prerequisites for this course; however, previous operating system administration experience will be very beneficial.
Recommended next exam or course
Red Hat System Administration II (RH134)orRed Hat System Administration II with RHCSA exam (RH135)
Course Outlines
There are no formal prerequisites for this course; however, previous operating system administration experience will be very beneficial.
ACCESS THE COMMAND LINE
Log in to a Linux system and run simple commands using the shell.
MANAGE FILES FROM THE COMMAND LINE
Copy, move, create, delete, and organize files from the bash shell prompt.
GETTING HELP IN RED HAT ENTERPRISE LINUX
Resolve problems by using online help systems and Red Hat support utilities.
CREATE, VIEW, AND EDIT TEXT FILES
Create, view, and edit text files from command output or in an editor.
MANAGE LOCAL LINUX USERS AND GROUPS
Manage local Linux users and groups, and administer local password policies.
CONTROL ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS
Set Linux file system permissions on files and interpret the security effects of different permission settings.
MONITOR AND MANAGE LINUX PROCESSES
Obtain information about the system, and control processes running on it.
CONTROL SERVICES AND DAEMONS
Control and monitor network services and system daemons using systemd.
CONFIGURE AND SECURE OPENSSH SERVICE
Access and provide access to the command line on remote systems securely using OpenSSH.
ANALYZE AND STORE LOGS
Locate and accurately interpret relevant system log files for troubleshooting purposes.
MANAGE RED HAT ENTERPRISE LINUX NETWORKING
Configure basic IPv4 networking on Red Hat Enterprise Linux systems.
ARCHIVE AND COPY FILES BETWEEN SYSTEMS
Archive files and copy them from one system to another.
INSTALL AND UPDATE SOFTWARE PACKAGES
Download, install, update, and manage software packages from Red Hat and yum package repositories.
ACCESS LINUX FILE SYSTEMS
Access and inspect existing file systems on a Red Hat Enterprise Linux system.
USE VIRTUALIZED SYSTEMS
Create and use Red Hat Enterprise Linux virtual machines with KVM and libvirt.
COMPREHENSIVE REVIEW
Practice and demonstrate the knowledge and skills learned in this course.
RH134 – RH System Administration II
Add StarPart 2 of the core system administration tasks needed for Red Hat Enterprise Linux
This course is specifically designed for students who have completed Red Hat®System Administration I (RH124). Red Hat System Administration II (RH134) focuses on the key tasks needed to become a full time Linux® administrator.
Course overview
This course goes deeper into enterprise Linux administration including file systems and partitioning, logical volumes, SELinux, firewalling, and troubleshooting. Attending both Red Hat System Administration I and Red Hat System Administration II can help you in your preparation for the Red Hat Certified System Administrator exam (EX200).
Course content summary
- Installation using Kickstart
- Manage filesystems and logical volumes
- Manage scheduled jobs
- Access network filesystems
- Manage SELinux
- Control firewalling
- Troubleshooting
Audience for this course
This course is singularly designed for students who have completed Red Hat System Administration I (RH124). The organization of topics is such that it is not appropriate for student to use RH134 as a curriculum entry point. Students who have not taken a previous Red Hat course are encouraged to take either System Administration I if they are new to Linux, or the RHCSA Fast Track course (RH200) if they are experienced with enterprise Linux administration.
Prerequisites for this course
Red Hat System Administration I (RH124)
Outline for this course
Automate installation with Kickstart
Automate the installation of Red Hat Enterprise Linux systems with Kickstart.
Use regular expressions with grep
Write regular expressions that, when partnered with grep, will allow you to quickly isolate or locate content within text files.
Create and Edit text files with vim
Introduce the vim text editor, with which you can open, edit, and save text files.
Schedule future Linux tasks
Schedule tasks to automatically execute in the future.
Manage priority of Linux processes
Influence the relative priorities at which Linux processes run.
Control access to files with access control lists (ACL)
Manage file security using POSIX access control lists.
Manage SELinux security
Manage the Security Enhanced Linux (SELinux) behavior of a system to keep it secure in case of a network service compromise.
Connect to network-defined users and groups
Configure systems to use central identity management services.
Add disks, partitions, and file systems to a Linux system
Manage simple partitions and file systems.
Manage logical volume management (LVM) storage
Manage logical volumes from the command line.
Access networked attached storage with network file system (NFS)
Access (secure) NFS shares.
Access networked storage with SMB
Use autofs and the command line to mount and unmount SMB file systems.
Control and troubleshoot the Red Hat Enterprise Linux boot process
Limit network communication with firewall
Configure a basic firewall.
Comprehensive review
Practice and demonstrate knowledge and skills learned in this course.
Recommended next exam or course
Red Hat Certified System Administration exam (EX200)
Red Hat System Administration III (RH254)Red Hat System Administration III with exam (RH255)
Red Hat Performance Tuning (RH442)
Red Hat Server Hardening (RH413)
EX200 – RH Certified System Administrator Exam (RHCSA)
Add StarThis exam and the exam objectives provided here are based on the Red Hat®Enterprise Linux® 7 version of the exam.
The performance-based RHCSA exam (EX200) tests your knowledge and skill in areas of system administration common across a wide range of environments and deployment scenarios. You must be an RHCSA to earn a Red Hat Certified Engineer (RHCE®) certification. The skills tested in this exam are the foundation for system administration across all Red Hat products.
An RHCSA certification is earned when an IT professional demonstrates the core system-administration skills required in Red Hat Enterprise Linux environments.
In preparation
Study points for the exam
Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.
RHCSA exam candidates should be able to accomplish the tasks below without assistance. These have been grouped into several categories.
Understand and use essential tools
- Access a shell prompt and issue commands with correct syntax
- Use input-output redirection (>, >>, |, 2>, etc.)
- Use grep and regular expressions to analyze text
- Access remote systems using ssh
- Log in and switch users in multiuser targets
- Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
- Create and edit text files
- Create, delete, copy, and move files and directories
- Create hard and soft links
- List, set, and change standard ugo/rwx permissions
- Locate, read, and use system documentation including man, info, and files in /usr/share/doc
Note: Red Hat may use applications during the exam that are not included in Red Hat Enterprise Linux for the purpose of evaluating candidate’s abilities to meet this objective.
-
Operate running systems
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- Boot, reboot, and shut down a system normally
- Boot systems into different targets manually
- Interrupt the boot process in order to gain access to a system
- Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes
- Locate and interpret system log files and journals
- Access a virtual machine’s console
- Start and stop virtual machines
- Start, stop, and check the status of network services
- Securely transfer files between systems
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Configure local storage
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- List, create, delete partitions on MBR and GPT disks
- Create and remove physical volumes, assign physical volumes to volume groups, and create and delete logical volumes
- Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
- Add new partitions and logical volumes, and swap to a system non-destructively
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Create and configure file systems
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- Create, mount, unmount, and use vfat, ext4, and xfs file systems
- Mount and unmount CIFS and NFS network file systems
- Extend existing logical volumes
- Create and configure set-GID directories for collaboration
- Create and manage Access Control Lists (ACLs)
- Diagnose and correct file permission problems
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Deploy, configure, and maintain systems
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- Configure networking and hostname resolution statically or dynamically
- Schedule tasks using at and cron
- Start and stop services and configure services to start automatically at boot
- Configure systems to boot into a specific target automatically
- Install Red Hat Enterprise Linux automatically using Kickstart
- Configure a physical machine to host virtual guests
- Install Red Hat Enterprise Linux systems as virtual guests
- Configure systems to launch virtual machines at boot
- Configure network services to start automatically at boot
- Configure a system to use time services
- Install and update software packages from Red Hat Network, a remote repository, or from the local file system
- Update the kernel package appropriately to ensure a bootable system
- Modify the system bootloader
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Manage users and groups
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- Create, delete, and modify local user accounts
- Change passwords and adjust password aging for local user accounts
- Create, delete, and modify local groups and group memberships
- Configure a system to use an existing authentication service for user and group information
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Manage security
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- Configure firewall settings using firewall-config, firewall-cmd, or iptables
- Configure key-based authentication for SSH
- Set enforcing and permissive modes for SELinux
- List and identify SELinux file and process context
- Restore default file contexts
- Use boolean settings to modify system SELinux settings
- Diagnose and address routine SELinux policy violations
Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.
What you need to know
Red Hat encourages all candidates for RHCSA to consider taking one or more of its official training courses to help prepare. Attendance in these classes is not required, and one can choose to take just an exam. Many successful candidates who have come to class already possessing substantial skills and knowledge report that the class made a positive difference for them.
To help you determine the best courses to take, Red Hat provides an online skills assessment.
While attending Red Hat’s classes can be an important part of one’s preparation, attending class does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.
Many books and other resources on system administration for Red Hat’s products are available. Red Hat does not endorse any as preparation guides for any exams. Nevertheless, candidates may find additional reading deepens understanding and can prove helpful.
Exam format
The RHCSA exam is a performance-based evaluation of Red Hat Enterprise Linux system administration skills and knowledge. Candidates perform a number of routine system administration tasks and are evaluated on whether they have met specific objective criteria. Performance-based testing means that candidates must perform tasks similar to what they must perform on the job.
The RHCSA exam is a hands-on, practical exam that lasts 2.5 hours. Internet access is not provided during the exam. Outside materials are not permitted. Documentation that ships with Red Hat Enterprise Linux is available during the exam. Red Hat reserves the right to make changes to format, including timing and the policies above. Such changes will be made public in advance through revisions to this document.
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 and II and are on the path to earn RHCSA certification
- 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 earn RHCE certification
- An RHCE who is noncurrent or who is about to become noncurrent and wants to recertify as an RHCE
Prerequisites for this exam
Candidates for this exam should:
- Have either taken the Red Hat System Administration I (RH124) and II (RH134) courses or else theRHCSA Rapid Track Course (RH199) or have comparable work experience as a system administrator on Red Hat Enterprise Linux
- Review the Red Hat Certified System Administrator exam (EX200) objectives
Recommended training
In preparation to take the RHCSA exam, Red Hat recommends:
- For Windows system administrators
- Red Hat System Administration I (RH124)
- Red Hat System Administration II (RH134)
- For Linux or UNIX administrators
- RHCSA Rapid Track Course with exam (RH200)
RH254 – RH System Administration III
Add StarBroaden your ability to administer Linux systems and prepare for your Red Hat Certified Engineer (RHCE) exam.
Red Hat® System Administration III (RH254), related to Red Hat Enterprise Linux,® 7, is designed for experienced Linux system administrators who hold a Red Hat Certified System Administrator (RHCSA®) certification or equivalent skills and who want to broaden their ability to administer Linux systems at an enterprise level.
Course overview
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 certification will be exposed to all competencies covered by the Red Hat Certified Engineer (RHCE) exam (EX300).Note: This course does not cover all RHCSA tasks. Students who need a review of RHCSA skills are encouraged to attend RHCSA Rapid Track Course (RH199).
Audience and prerequisites
Red Hat System Administration III 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. Students in this course should have earned their RHCSA or have equivalent skills.
Prerequisites for this course
- RHCSA certification or equivalent experience
- For candidates who have not earned their RHCSA certification, confirmation of the correct skills and knowledge can be obtained by passing the online skills assessment.
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
Linux containers preview
Preview the capabilities of Linux containers, Docker, and other related technologies in Red Hat Enterprise Linux 7
Comprehensive review
Practice and demonstrate knowledge and skills learned in Red Hat System Administration III
Recommended next exam or course
- Red Hat Certified Engineer exam (EX300)
- Red Hat Enterprise Virtualization (RH318)
- Red Hat Enterprise Deployment and Systems Management (RH401)
- Red Hat Enterprise Clustering and Storage Management (RH436)
- Red Hat Enterprise System Monitoring and Performance Tuning exam (EX442)
- Red Hat Server Hardening (RH413)
- Red Hat OpenStack Administration (CL210)
- Red Hat OpenShift Administration (CL280)
EX300 – Red Hat Certified Engineer (RHCE) Exam
Add StarThis exam and the exam objectives provided here are based on the Red Hat®Enterprise Linux® 7 version of the exam.
The performance-based Red Hat Certified Engineer exam (EX300) tests to determine if your knowledge, skill, and ability meet those required of a senior system administrator responsible for Red Hat Enterprise Linux (RHEL) systems.Red Hat Certified System Administrator (RHCSA) certification is required to earnRHCE certification.
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.
In preparation
Study points for the exam
RHCE exam candidates should consult the RHCSA exam objectives and be capable of RHCSA-level tasks, as some of these skills may be required in order to meet RHCE exam objectives. Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.
RHCE exam candidates should be able to accomplish the following without assistance. These have been grouped into several categories.
System configuration and management
- Use network teaming or bonding to configure aggregated network links between two Red Hat Enterprise Linux systems
- Configure IPv6 addresses and perform basic IPv6 troubleshooting
- Route IP traffic and create static routes
- Use firewalld and associated mechanisms such as rich rules, zones and custom rules, to implement packet filtering and configure network address translation (NAT)
- Use /proc/sys and sysctl to modify and set kernel runtime parameters
- Configure a system to authenticate using Kerberos
- Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target
- Produce and deliver reports on system utilization (processor, memory, disk, and network)
- Use shell scripting to automate system maintenance tasks
Network services
Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below:
- Install the packages needed to provide the service
- Configure SELinux to support the service
- Use SELinux port labeling to allow services to use non-standard ports
- Configure the service to start when the system is booted
- Configure the service for basic operation
- Configure host-based and user-based security for the service
HTTP/HTTPS
- Configure a virtual host
- Configure private directories
- Deploy a basic CGI application
- Configure group-managed content
- Configure TLS security
DNS
- Configure a caching-only name server
- Troubleshoot DNS client issues
NFS
- Provide network shares to specific clients
- Provide network shares suitable for group collaboration
- Use Kerberos to control access to NFS network shares
SMB
- Provide network shares to specific clients
- Provide network shares suitable for group collaboration
SMTP
- Configure a system to forward all email to a central mail server
SSH
- Configure key-based authentication
- Configure additional options described in documentation
NTP
- Synchronize time using other NTP peers
Database services
- Install and configure MariaDB
- Backup and restore a database
- Create a simple database schema
- Perform simple SQL queries against a database
What you need to know
To earn the RHCE credential, one must also pass the Red Hat Certified System Administrator (RHCSA) exam. Someone can enroll in and take the RHCE exam without first having passed the RHCSA exam, but RHCE certification will not be issued until both credentials are earned by a candidate. In the event that a candidate has not yet earned RHCSA, Red Hat will retain the candidate’s RHCE exam record and will attach that record to a candidates’ RHCSA record once it is earned at a later date.
Red Hat encourages all candidates for RHCE to consider taking one or more of its official training courses to help prepare. Attendance in these classes is not required, and one can choose to take just an exam. Many successful candidates who have come to class already possessing substantial skills and knowledge report that the class made a positive difference for them.
To help you determine the best courses to take, Red Hat provides online skills assessment.
While attending Red Hat’s classes can be an important part of one’s preparation, attending class does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.
Many books and other resources on system administration for Red Hat’s products are available. Red Hat does not endorse any as preparation guides for any exams. Nevertheless, candidates may find additional reading deepens understanding and can prove helpful.
Exam format
The RHCE exam is a performance-based evaluation of Red Hat Enterprise Linux system administration skills and knowledge. Candidates perform a number of routine system administration tasks and are evaluated on whether they have met specific objective criteria. Performance-based testing means that candidates must perform tasks similar to what they must perform on the job.
The RHCE exam is a hands-on, practical exam that lasts 3.5 hours. Internet access is not provided during the exam. Outside materials are not permitted. Documentation that ships with Red Hat Enterprise Linux is available during the exam. Red Hat reserves the right to make changes to the format, including timing and the policies above. Such changes will be made public in advance through revisions to this document.
Scores and reporting
Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days.
Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request.
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
Not sure if you have the correct skill-set knowledge? Find out by passing the online skills assessment. Read the RHCE exam objectives for more information on skills requirements.
Recommended training
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Training courses for Windows system administrators (with minimal Linux experience)
- Red Hat System Administration I (RH124)
- Red Hat System Administration II with RHCSA exam (RH135)
- Red Hat System Administration II (RH134)
- Red Hat System Administration III with RHCSA and RHCE exams (RH255)
- Red Hat System Administration III (RH254)