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Updated on 21st Dec, 22 2995 Views

Linux operating system is everywhere around us, from android phones to automobiles, computers and home appliances. Linux OS can be installed on laptop, Personal Computers (PC), supercomputers, android phones, tablet devices, servers, home appliances and more. It has two major components, the kernel and the shell. Kernel is the core of the Linux OS, it schedules interfaces and processes directly with the hardware and shell is an interface to the kernel.

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Why do we need a certification?

If Linux is the field you are interested, then earning certain certifications is a must. It shows that you are committed to your profession with passion and are willing to make growth in the future. This certification will help you grow a career in Linux world.

Why do we need certification

Linux certification in your resumes sets a benchmark and will fetch you great benefits as an employee in an organization. Certified candidates are the highest professionals in the industry. The advanced skills increase the competitive advantage in your business. It can help boost up your annual salary and it also helps you get hired by increasing your interview calls. Having certified is important in this competitive world as it keeps you ahead and gets recognized in the crowd.

Best Linux Certifications

Here are few best Linux certifications which will help you grow your career in the Linux field. 

Name Time limit No. of Questions Qualifying score
Linux+ CompTIA 90 minutes 60 MCQ’s 63%
RHCE- Red Hat Certified Engineer 150 minutes 20 70%
Oracle Linux OCA 150 minutes 80 61%
Oracle Linux OCP 150 minutes 97 61%
GCUX: GIAC Certified UNIX Security Administrator 120 minutes 75 68%

1.  Linux + CompTIA:

This certification tests the essential usage and regulatory tasks that are common to all Linux distributors. To attain this certification, you need to get through two tests, CompTIA Linux certification (LX0-103) and CompTIA Linux certification (LX0-104), which shares the similar content to LPIC-1 (LPI Level 1 – Linux Administrator certification). Both tests are to be passed to get the certification.

Certification pre-requisites:

Before taking up this test the applicant must make sure that he/she has the skills in:

CompTIA Linux certification (LX0-103):

GNU and UNIX Commands, System architecture, Linux Installation, and Package Management, and Devices, Linux Filesystems, Filesystem Hierarchy Standard.

CompTIA Linux certification (LX0-104):

Security, User Interfaces and Desktops, Administrative Tasks, Essential System Services, Networking Fundamentals, and Shells, Scripting and Data Management.

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2. RHCE- Red Hat Certified Engineer:

This certification is quite popular and stands out amongst all other Linux certifications. Having this certification will surely make you stand out in the crowd. It’s better to go for senior-level ones for getting hired in top organizations. Some of the roles are senior Linux administrator, senior systems engineer, IT analyst, senior UNIX administrator.

Certification pre-requisites:

Before taking up this test the applicant must make sure that he/she has the skills in understand and use essential tools, operate running systems, configure local storage, create and configure file systems, deploy, configure and maintain systems, manage users and groups, and manage security.

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3. Oracle Linux OCA and OCP:

This Linux certification mainly focuses on gaining abilities and skills related to Oracle products and technologies. To get this certification, you need to pass the combination of passing exams and training and performance-based assignments, which depend on the level of certifications.

It consists of two exams:


1Z0-100 Oracle Linux 5 and 6 System Administration

Certification pre-requisites:

Before taking up this test the applicant must make sure that he/she has the skills in Linux essentials, installing Oracle Linux, understanding system configuration options, managing Ksplice, managing system logging, managing users and groups, managing storage devices, managing file sharing, managing Pluggable Authentication Modules (PAM), monitoring and troubleshooting Oracle Linux, covered in UNIX and Linux essentials, describing Oracle Linux concepts, understanding and configuring the Linux boot process and service administration, installing and maintaining packages, automating tasks, managing kernel modules, managing filesystem and swap on Oracle Linux, managing the network configuration, using OpenSSH, managing Linux security, managing Oracle on Oracle, and consult MAN pages or relevant documentation.

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1Z0-105 Oracle Linux 6 Advanced System Administrator

Certification pre-requisites:

Before taking up this test the applicant must make sure that he/she has the skills in Btrfs File System, Linux Containers (LXC), Oracle cluster file system 2, core dump analysis, managing storage, configuring and managing BIND, miscellaneous, virtualization with Linux, Control Groups (cgroups), advanced storage administration, advanced software package management, dynamic tracing with Dtrace, configuring networks and network services, managing SELinux, XFS file system, and managing web and email services.

Certification in Full Stack Web Development

4. GCUX: GIAC Certified UNIX Security Administrator:

GIAC Certified UNIX Security Administrator’s main motive is to train individuals in installing, configuring, and monitoring both these systems. This secures and checks Linux and UNIX systems.

Certification pre-requisites:

Before taking up this test the applicant must make sure that he/she has the skills in physical security issues and password security with respect to both UNIX and Linux, Chroot services, its environment, everything else about chroot. Areas of UNIX and Linux like OS Install and Patching, physical, User Account, and Password Access Control, Boot Services, Post-Exploitation and AIDE, SUDO, and many other important sections, without which UNIX and Linux, both are incomplete.

Learn about the difference between Parrot OS and Kali Linux in our comparison blog on Parrot OS vs Kali Linux.

How Intellipaat certification benefits you?

Linux certification will help you clear the certification exam with ease and get the best jobs in top MNC’s part of this training, you will be working on real-time projects and assignments that have immense implications in the real-world industry scenarios, thus helping you fast-track your career effortlessly.

At the end of this training program, there will be a quiz that perfectly reflects the type of questions asked in the certification exam and helps you score better marks.


Intellipaat Course Completion Certificate will be awarded upon the completion of the project work (after the expert review) and upon scoring at least 60% marks in the quiz. Intellipaat certification is well recognized in top MNCs like Ericsson, Cisco, Cognizant, Sony, Wipro, Standard Chartered, TCS, Genpact, Tata Communication, etc.

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