Linux Guaranteed-to-Run

CentOS 9 Linux Administration - Level II Intermediate

CentOS 9 Linux Administration - Level II equips system administrators with advanced skills in Bash scripting, LVM, SELinux, and network storage to resolve complex infrastructure management challenges. Designed for IT professionals managing enterprise Linux environments, it addresses the growing demand for certified administrators—Red Hat reports over 300,000 RHCSA holders globally. You’ll gain hands-on expertise in securing systems, automating tasks, and troubleshooting boot processes.

This course prepares you for the Red Hat Certified System Administrator (RHCSA) exam, reinforcing skills with official vendor-authorized labs. Koenig’s Guaranteed-to-Run scheduling ensures your training proceeds on time, every time, while 30-day lab access solidifies real-world proficiency in Apache, NFS, and firewall configuration for immediate production impact.

40 Hours (5 Days)
Live Online / Classroom
1+ professionals trained

Training Formats & Pricing

1-on-1 USD 2,300
Dedicated instructor, your schedule Fastest
Public Batch USD 1,700
Group class, fixed schedule Most Popular
Self-Paced USD 199
Recorded sessions, learn anytime Best Value

100% Happiness Guarantee · Free Rescheduling · Secure Payment

Course Overview

CentOS 9 Linux Administration - Level II by Linux is an advanced training course designed for IT professionals aiming to master enterprise-grade system administration. This course serves as a critical step toward earning the Red Hat Certified System Administrator (RHCSA) certification, aligning with exam objectives for EX200. Targeted at junior Linux administrators, system support engineers, and DevOps technicians, it builds on foundational knowledge to deliver in-depth expertise in real-world environments. With over 12,000 active job postings requiring RHCSA skills globally, according to Burning Glass labor market data, this certification is a key differentiator in high-demand sectors such as cloud infrastructure, cybersecurity, and enterprise IT operations.

The curriculum covers essential tools and technologies including Logical Volume Manager (LVM), SELinux, firewalld, NFS, CIFS, and Apache web server configuration, all within a CentOS 9 environment. Students engage in hands-on labs using real virtual machines where they configure automated Kickstart installations, implement secure file sharing with SELinux policies, manage storage with LVM and VDO, and troubleshoot boot processes using GRUB2 and systemd. A key lab project involves deploying a secure web server with containerized services using Podman, configuring firewall rules via nftables, and automating system tasks with cron and Bash scripting. These labs are conducted in a live virtual lab environment, ensuring direct experience with enterprise-grade Linux systems.

This course prepares learners for the RHCSA (EX200) certification, one of the most respected credentials in Linux system administration, recognized by enterprises worldwide including IBM, Amazon, and Red Hat. Certified professionals report salary increases of $10,000–$13,000 annually, with mid-level roles averaging $68,000–$85,000 in the U.S. Koenig Solutions enhances this learning path with Guaranteed-to-Run classes, 1-on-1 instructor support, and official courseware, ensuring exam readiness. Upon completion, graduates are positioned to advance into senior system administrator or automation engineer roles, building a foundation for further credentials like RHCE and RHCA.

What You'll Learn

✓Implement LVM logical volumes and thin provisioning on CentOS 9 to optimize storage allocation and performance.
✓Configure SELinux security contexts and boolean policies in CentOS 9 to enforce mandatory access control.
✓Deploy NFS and Samba network shares on CentOS 9 to facilitate cross-platform data integration.
✓Automate system maintenance tasks using systemd timers and cron in CentOS 9 to manage background processes.
✓Diagnose and repair CentOS 9 boot failures using dracut and rescue mode utilities to restore system availability.
✓Configure firewalld zones and nftables rules alongside SSH hardening to secure network traffic on CentOS 9.

Skills You'll Gain

Bash Scripting Task Scheduling Linux Kernel Management Partition Management LVM Storage CentOS 9 LVM SELinux Configuration CentOS 9 SELinux Firewall Management CentOS 9 Firewall NFS Server CentOS 9 NFS CIFS Mounting Apache Web Server Systemd Services Boot Troubleshooting Storage Management

Prerequisites

Recommended knowledge before taking this course
  • Completion of CentOS 9 Linux Administration - Level I or equivalent hands-on experience with Linux system administration
  • Proficiency in managing file systems and partitioning using tools such as fdisk, gdisk, and parted
  • Experience with Logical Volume Management (LVM), including creating and managing logical volumes, volume groups, and physical volumes
  • Working knowledge of Bash shell scripting, including loops, conditionals, and positional parameters
  • Understanding of SELinux security mechanisms, including modes, file contexts, and Boolean settings
  • Familiarity with network services and storage configurations, such as NFS, CIFS, and firewall management with firewalld
Corporate Training
Get a Corporate Quote

Volume discounts · Dedicated account manager · Custom scheduling

WhatsApp Email us

We'll respond within 1 business day · No spam, ever.

Certification Exam

Everything you need to know about the CentOS 9 Linux Administration - Level II certification exam

Exam Details
Exam Name
CentOS 9 Linux Administration - Level II
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Refer to official Red Hat certification policies for exam retake rules and procedures.
Let's Talk

Request for more information

CentOS 9 Linux Administration - Level II

WhatsApp us Email us

We'll respond within 1 business day · No spam, ever.

Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Mastering CentOS 9 Linux Administration - Level II Automation
Leverage advanced Bash shell capabilities Develop and deploy robust shell scripts Utilize positional parameters for scripting Execute complex shell arithmetic operations Verify scripts with exit status codes Apply conditional logic and case statements Optimize workflows with iterative loops Automate one-time tasks using at
2
Day 2– Advanced Task Scheduling and Performance Tuning
Automate recurring jobs with cron Administer secure user/system crontabs Organize tasks via /etc/cron.d/ files Configure anacron for offline reliability Implement modern systemd timer units Monitor and control system processes Modify process priority for performance Fine-tune critical system parameters
3
Day 3– Enterprise Storage Management and LVM
Provision and manage disk partitions Deploy ext4 and XFS filesystems Maintain and repair XFS integrity Scale swap space dynamically on-demand Architect flexible LVM logical volumes Resize volume groups to meet needs Deploy efficient LVM thin provisioning Manage LVM snapshots and striping
4
Day 4– Network Storage and Linux Security Hardening
Configure secure NFS server environments Export and mount remote NFS shares Integrate CIFS/Samba network storage Automate mounts with AutoFS services Secure traffic via nftables firewalls Enforce strict SELinux security modes Configure precise SELinux file contexts Resolve SELinux issues using tools
5
Day 5– Boot Recovery and Container Management
Administer GRUB2 bootloader configurations Optimize kernel and boot parameters Master init and systemd architecture Diagnose and resolve boot failures Restore systems using rescue mode Automate RHEL installs with Kickstart Deploy containers using Podman tools Manage container images and volumes

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of CentOS 9 Linux Administration - Level II certified professionals report career advancement within 6 months

Salary Impact

+22%

Average salary increase reported after obtaining the CentOS 9 Linux Administration - Level II certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

5
  • RHEL Systems Administrator
  • Enterprise Linux Infrastructure Engineer
  • Senior Linux Administrator
  • DevOps Engineer
  • Systems Engineer

Companies Hiring

5,000+
Red Hat Google Amazon Microsoft Accenture Deloitte IBM Oracle Cisco JPMorgan Chase

and 5,000+ organizations worldwide seeking CentOS 9 Linux Administration - Level II certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
95%
Would Recommend
1M+
Professionals Trained
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the CentOS 9 Linux Administration - Level II training course

Is the certification exam included in the CentOS 9 Linux Administration - Level II course fee?
The certification exam is not included in the CentOS 9 Linux Administration - Level II course fee. Students must register separately for the Red Hat Certified System Administrator (RHCSA) EX200 exam, priced at $400 USD. Koenig Solutions offers an optional exam voucher to streamline your registration process, though this remains an additional investment beyond your training tuition.
What training formats are available for CentOS 9 Linux Administration - Level II, and is scheduling guaranteed?
Koenig offers CentOS 9 Linux Administration - Level II in live online 1-on-1, public live online, classroom, and self-paced Flexi formats. All sessions are Guaranteed-to-Run (GTR) with zero cancellations. You gain access to official Linux courseware, immersive hands-on labs, and expert instructor guidance, ensuring a consistent, high-quality learning experience tailored to your professional schedule.
How long is lab access provided, and what environment is used for CentOS 9 Linux Administration - Level II?
You receive 30 days of post-training access to a cloud-based sandbox environment running authentic CentOS 9 systems. These secure, enterprise-grade labs allow you to master critical skills like LVM management, SELinux configuration, and Apache server deployment. This practical environment eliminates the need for local installations, providing a risk-free space to build real-world Linux administration expertise.
What is Koenig's rescheduling and cancellation policy for this course?
Koenig permits free rescheduling for CentOS 9 Linux Administration - Level II if requested at least 10 days before the start date. Changes made within 10 days incur a 50% fee, with a limit of one reschedule per enrollment. Cancellations requested within 10 days of the start date are subject to a 50% charge per our standard policy.
What is the format, duration, and passing score of the RHCSA EX200 exam for CentOS 9 Linux Administration - Level II?
The RHCSA EX200 is a 3-hour, performance-based exam requiring you to complete 12–15 hands-on tasks on RHEL 9. There are no multiple-choice questions; you must demonstrate live system configuration skills. A passing score is 210 out of 300. You must ensure all system configurations persist after a reboot to successfully pass this rigorous certification assessment.
How long is the RHCSA certification valid, and what is the renewal process?
The RHCSA certification remains valid for 3 years. To maintain your status, you must retake the EX200 exam or earn a higher-level Red Hat credential, such as the RHCE. Achieving a higher-level certification automatically renews all lower-level credentials for an additional 3 years from the date of the new certification, keeping your expertise current.
What post-training support does Koenig provide after completing CentOS 9 Linux Administration - Level II?
Koenig supports your success with 30 days of post-training resources, including lab access, session recordings, and 6 hours of dedicated trainer consultation for CentOS 9 Linux Administration - Level II. You also receive comprehensive exam prep materials, practice tests, and Qubits42 self-assessment tools to ensure you are fully prepared for the RHCSA certification exam.
What are the prerequisites or recommended experience for CentOS 9 Linux Administration - Level II?
We recommend completing CentOS 9 Linux Administration - Level I or possessing equivalent experience in core Linux administration. You should be comfortable with user management, file systems, and command-line operations. This advanced course builds on those foundations, focusing on complex topics like Bash scripting, SELinux, LVM, and boot troubleshooting for demanding enterprise environments.
What salary increase can be expected after completing CentOS 9 Linux Administration - Level II and earning RHCSA?
Earning the RHCSA certification often elevates a Linux administrator’s salary from $92,316 to a range of $100,000–$132,000 annually. This represents an 18–25% increase, driven by high demand for professionals who can manage infrastructure reliability and security compliance. Mastering these skills makes you a highly valuable asset in modern enterprise and cloud-based IT environments.
How does instructor-led training for CentOS 9 Linux Administration - Level II compare to self-study in terms of exam success?
Koenig’s instructor-led training achieves a 95% first-attempt pass rate for the RHCSA exam. By combining structured learning with hands-on labs and real-time troubleshooting, we provide a clear advantage over self-study. You benefit from expert feedback on complex system administration tasks, ensuring you master the practical skills required to pass the exam on your first attempt.

Still have questions?

Chat with a Training Advisor →

Resources

Learn more about CentOS 9 Linux Administration - Level II before you enroll

100%

Happiness Guarantee

We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.

Full Refund

Within 24 hours

No Questions

Asked ever

Secure Payment

Encrypted checkout

PCI DSS

Compliant