Linux is one of the best skills for any IT professional who wants to succeed in the server field. Earning the Linux certifications that show your skills and knowledge in this powerful and flexible operating system can help you get noticed.
There are many Linux certifications to choose from, but some are more valuable than others. Here are the top 8 Linux certifications that you should consider.
What is the Linux?
Linux is an operating system like Windows, iOS, and Mac OS. It is the foundation of the Android platform, one of the world's most well-known and widely-used platforms. An operating system controls how your desktop or laptop uses hardware resources. In other words, the operating system ensures that your software and hardware work together. Without the operating system (OS), the software would not work.
What is the Linux certification?
A Linux certification proves you have the skills to work with a Linux operating system. Many open-source organizations offer Linux certifications to train IT professionals with useful knowledge in real-world situations.
IT systems and workloads are becoming more complex, and they need an architecture and operating system that can support them with reliability, scalability, and performance.
Linux has evolved over the years to become the best choice for running critical and highly available workloads—from traditional to innovative—on any platform, from bare metal to virtualization, cloud, and containers.
What are the benefits of Linux certification?
Linux certifications are valuable for many companies as Linux is becoming more widely used by global platforms. These Linux certification programs are popular among data administrators, system admins, and DevOps engineers. They help IT professionals to gain knowledge and recognition.
Many hiring managers are looking for Linux professionals. The rise of open cloud platforms is creating more demand for Linux professionals with the right skills Linux-certified professionals have an advantage in the job market.
Employers are seeking more Linux talent. Also, with Linux certifications, candidates can enjoy a better salary increase for Linux-certified professionals.
Top 8 Linux certifications
Here are the best Linux certifications that you can take and advance your career. Take a quick look:
1. Linux Essentials
Don’t let anyone discourage you from pursuing foundational certifications like Linux Essentials from the Linux Professional Institute (LPI). It’s a smart way to begin your Linux journey and see if you enjoy working with this open-source operating system.
Plus, you can build on your knowledge gradually and confidently. Linux is essential for any IT professional, especially systems administrators who deal daily with Linux servers. This certification will help you get started.
Linux Essentials will teach you the basics of Linux, such as:
- The Linux community and a career in open source
- Finding your way on a Linux system
- The power of the command line
- The Linux operating system
- Security and file permissions
CompTIA is a reputable provider of vendor-neutral certifications widely recognized in the IT industry. CompTIA certs are suitable for IT beginners who want to learn the fundamentals of various IT domains. CompTIA exams are based on a comprehensive list of objectives, accessed on their website.
Passing the Linux+ certification demonstrates a solid understanding of the operating system’s environment and features. Linux+ is a valuable credential for those who aspire to work as systems administrators, network administrators, or penetration testers. It also prepares them for more advanced certs, such as CompTIA’s Pentest+ or CySA+.)
The Linux+ covers skills such as:
Scripting, Containers, and Automation
3. LPIC-1 Certified Linux Administrator
To become a certified Linux Administrator, you must pass the LPIC-1 exam. This exam tests your knowledge and skills in Linux installation and configuration, basic networking, and Linux maintenance.
If you are a professional who works with Linux systems, such as a sysadmin or a network administrator, the LPIC-1 certification can prove your competence in these areas:
- How a Linux system is structured and organized
- Setting up and managing a Linux desktop with a graphical interface and network connectivity
- Using the Linux shell and various commands for common tasks and operations
- Working with files and directories, setting permissions, and ensuring the security
- Performing basic administration duties: assisting users, creating and deleting users, backing up and restoring data, shutting down and rebooting the system
To get the LPIC-1 Certified Linux Administrator certification, you must pass two exams: LPIC-1 Exam 101 and LPIC-1 Exam 102. There are no prerequisites for taking these exams, but LPIC suggests you have some practical experience with Linux installation and configuration.
4. LPIC-2 Certified Linux Engineer
If you are a professional who works with Linux and other operating systems in small-to-medium-sized networks, such as a sysadmin or a network administrator, you can earn the LPIC-2 Certified Linux Engineer certification.
This certification demonstrates your skills in the following:
- Managing complex Linux systems, including the Linux kernel, system boot, and maintenance processes
- Handling advanced storage and file system operations, as well as networking and authentication and system security, such as firewall and VPN configuration
- Setting up and maintaining essential network services
- Leading and mentoring junior staff and advised management on automation and purchasing decision
To earn the LPIC-2 Certified Linux Administrator certification, you must pass two exams: LPIC-2 Exam 201 and LPIC-2 Exam 202. You can take the exams in any order, but you must have an active LPIC-1 certification before becoming LPIC-2 certified. LPIC also suggests that you have some practical experience with the administration of Linux and other operating systems.
5. LPIC-3 300: Linux Enterprise Professional Mixed Environment
The LPIC-3: Linux Enterprise Professional Mixed Environment certification is the highest level of LPI’s Linux professional certification program. It tests a candidate’s knowledge of these topics:
- OpenLDAP configuration
- OpenLDAP as an authentication backend
- Samba basics
- Samba Share configuration
- Samba user and group management
- Samba domain integration
- Samba Name Services
- Working with Linux and Windows clients
To earn the LPIC-3: Linux Enterprise Professional Mixed Environment certification, you must pass one LPIC-3 Exam 300: Mixed Environment. You must have an active LPIC-2 certification before you can take this exam, regardless of the order.
LPIC also suggests that you have some practical experience with Linux and other operating systems in enterprise-wide networks.
6. LPIC-3 303: Linux Enterprise Professional Security
The LPIC-3 303: Linux Enterprise Professional Security certification is for Linux professionals who work with enterprise-wide networks of Linux and other operating systems and are responsible for their security. It tests a candidate’s knowledge of these topics:
- Access control
- Application security
- Operations Security
- Network security
To earn the LPIC-3: Linux Enterprise Professional Security certification, you must pass one LPIC-3 Exam 303: Security exam. You must have an active LPIC-2 certification before you can take this exam, regardless of the order. LPIC also suggests that you have some practical experience with Linux-based servers, services, and networks and how to secure and harden them in an enterprise setting.
7. LPIC-3 304: Linux Enterprise Professional Virtualization and High Availability
The LPIC-3 304: Linux Enterprise Professional Virtualization and High Availability certification is for Linux professionals who work with enterprise-wide networks of virtualized systems that run Linux and other operating systems and have high availability. It tests a candidate’s knowledge of these topics:
- High-Availability Cluster Management
- High-Availability Cluster Storage
To earn the LPIC-3: Linux Enterprise Professional Virtualization and High Availability certification, you must pass one LPIC-3 Exam 304: Virtualization. You must have an active LPIC-2 certification before you can take this exam, regardless of the order.
LPIC also suggests that you have some practical experience with Linux-based technologies for enterprise-wide virtualization and high-availability solutions.
8. LPI DevOps Tools Engineer
The LPI DevOps Tools Engineer certification is for IT professionals who use DevOps practices to speed up delivery and improve quality in software development. The certification covers the practical skills needed to work in a DevOps environment and use popular DevOps tools.
This certification is more about open-source software than Linux. It tests a candidate’s knowledge of these topics and technologies:
- Software Engineering and Architecture
- Container and Machine Deployment
- Configuration Management and Monitoring
- Utilities such as Docker, Vagrant, Ansible, Puppet, Git, and Jenkins
To earn the LPI DevOps Tools Engineer certification, you must pass one LPI Exam 701: DevOps Tools Engineer. There are no prerequisites for taking this exam. Still, LPIC suggests you have some practical experience with open-source tools and technologies common in DevOps, such as OpenStack, containers, and Kubernetes.
The final thoughts
There, you have it. In this blog post, we have shared some of the most popular and widely-recognized Linux certifications that can help you advance your career as a Linux professional. No matter how many years of experience you have or if you are just starting your career in Linux, there is a certification for you.
If you want to take any of the certifications mentioned above, CBT Proxy can help you pass the exam on your first attempt. To learn more about these certification exams, click the chat button below, and one of our consultants will get in touch with you.