Red Hat Certified System Administrator on RHEL-9
Red Hat Certified System Administrator on RHEL-9
The Red Hat Certified System Administrator (RHCSA) certification is designed for IT professionals who want to demonstrate their skills in managing and administering Red Hat Enterprise Linux systems. The certification is beneficial for several reasons:
- Industry Recognition: RHCSA is recognized globally as a standard for measuring the skills and knowledge of Linux system administrators. Holding this certification can enhance your credibility and marketability in the IT industry.
- Career Advancement: RHCSA certification can open up new career opportunities and help advance your career in fields such as system administration, network administration, cloud computing, DevOps, and cybersecurity.
- Skill Validation: By earning RHCSA certification, you demonstrate your ability to perform essential system administration tasks on Red Hat Enterprise Linux systems. This includes tasks such as configuring networking, managing users and groups, administering storage, troubleshooting system issues, and more.
- Employer Requirements: Many employers, particularly those using Red Hat Enterprise Linux in their IT infrastructure, look for candidates with RHCSA certification when hiring for system administration roles. Having this certification can make you a more attractive candidate to potential employers.
- Preparation for Advanced Certifications: RHCSA serves as a foundation for more advanced Red Hat certifications, such as the Red Hat Certified Engineer (RHCE) and Red Hat Certified Architect (RHCA). Earning RHCSA certification is often a prerequisite for pursuing these higher-level certifications.
Course Contents of RHCSA ( Red Hat Certified System Administrator )
Candidates will be taught how to install custom based Linux Operating System using the Hypervisor on their local machines.
Candidates are tested on their proficiency with basic command-line tools and utilities used for system administration tasks, including navigating the file system, working with files and directories, manipulating text files, and using essential shell commands.
This topic assesses candidates' ability to create, modify, and delete files and directories, set file permissions and ownership, and manipulate file attributes.
Candidates should be familiar with user and group management tasks, such as creating, modifying, and deleting user and group accounts, changing user passwords, and managing user login sessions.
This area covers setting file permissions and ownership to control access to files and directories, understanding special permissions (setuid, setgid, and sticky bit), and troubleshooting permission-related issues.
Candidates are tested on configuring network interfaces, setting up IP addressing and routing, configuring DNS resolution, managing network services, and troubleshooting network connectivity issues.
This topic focuses on managing processes on the system, including viewing and controlling running processes, managing process priorities, and terminating processes.
Candidates should be proficient in working with systemd, the system and service manager in RHEL. This includes managing services, configuring service units, and troubleshooting systemd-related issues.
Candidates are tested on managing software packages using the RPM package manager, including installing, updating, removing, and querying software packages.
This area covers configuring and managing local storage devices, partitioning disks, creating and managing file systems, and using LVM (Logical Volume Manager) for disk management.
Candidates should be familiar with managing logical volumes and volume groups using LVM, including creating, resizing, and removing logical volumes, as well as extending and shrinking volume groups.
This topic includes tasks related to managing file systems, such as mounting and unmounting file systems, managing swap space, and troubleshooting file system issues.
Candidates are tested on performing system backups, restoring from backups, and using various backup utilities and tools available in RHEL.
This area covers configuring system logging using rsyslog, managing log files, configuring log rotation, and setting up remote logging to centralize log data.
Candidates should understand how to manage SELinux (Security-Enhanced Linux), including configuring SELinux modes, managing file contexts, and troubleshooting SELinux-related issues.
This topic focuses on configuring firewalls using the firewalld utility, including setting up firewall rules, managing firewall zones, and troubleshooting firewall configurations.
Candidates should be familiar with managing kernel modules, loading and unloading modules, querying module information, and updating the kernel.
This area covers basic tasks related to managing virtual machines using libvirt, such as creating, starting, stopping, and managing virtual machine configurations.
Candidates should be able to write and execute basic shell scripts to automate system administration tasks, such as file management, system monitoring, and backup operations.
Candidates will be taught how to pull and create container images and then how to manage these container images using Podman. It also covers container storage and Network resources.
Candidates will be taught how to adjust tuning profiles depending upon the requirements of the enterprises.
This topic covers how to trouble shoot the boot process of the OS in case of emergency and also how to recover or change the root password.
Candidates will be made familiar about the RHCSA exam format and will solve all types of practical questions which are important keeping in view the exam.