
- Price: $369
- Exam format: 90 minutes, 90 questions (multiple-choice and performance-based)
- Prerequisites: None (12 months Linux experience recommended)
- Focus: System management, security, troubleshooting, automation across distributions
- Salary range: $79,000-$105,000
- Best for: Career changers, IT generalists
- Recertification: Certification expires 3 years after it is granted and requires 50 continuing education credits (CEUs) from CompTIA to renew.
Linux Professional Institute: LPIC-1
The Linux Professional Institute (LPI) is one of the first professional organizations to offer Linux certification, dating back to 1999. It has several vendor-neutral certifications that help to provide both entry-level and advanced IT professionals with validated Linux skills.
The first is the foundational Linux Professional Institute Certification, LPIC-1. LPI claims that LPIC-1 is the world’s largest vendor-neutral Linux certification program with over 350,000 certified professionals globally. LPIC-1 requires passing two exams covering system maintenance, installation, networking and command-line operations.
- Price: $400 (two $200 exams required)
- Format: Two 90-minute exams with 60 questions each
- Prerequisites: None
- Focus: System maintenance, installation, networking, command line proficiency
- Salary range: $67,000-$118,000
- Best for: Professional system administrators seeking international recognition
- Recertification: 5 years
Linux Professional Institute: LPIC-2
Building on LPIC-1 as a foundation, LPIC-2 is an advanced certification covering system administration skills for enterprise deployments. The certification covers complex networking services, security implementations, and system optimization. LPIC-2 represents a significant step up in technical depth and professional recognition within the Linux community.
- Price: $400 (two $200 exams required, plus LPIC-1 prerequisite)
- Format: Two 90-minute exams with advanced technical scenarios
- Prerequisites: Active LPIC-1 certification
- Focus: Advanced networking, security, DNS, DHCP, email systems, web services
- Salary range: $88,000-$134,000
- Best for: Senior administrators managing network services
- Recertification: 5 years
Linux Foundation Certified System Administrator (LFCS)
Linux Foundation is the home of Linux creator Linus Torvalds and acts as a steward of the overall Linux community. One of its mandates is training and education and the organization offers multiple certifications.
Linux Foundation’s flagship certification emphasizes practical, hands-on skills through performance-based testing on live Linux systems. LFCS takes a distribution-agnostic approach, making it valuable for professionals working across diverse Linux environments. The exam consists entirely of real-world tasks performed on actual Linux systems rather than theoretical questions.
- Price: $445 (includes practice simulator)
- Format: 2 hours, 24 hands-on tasks on live systems
- Prerequisites: None
- Focus: Deployment, networking, storage, security, command line operations
- Salary range: $85,000-$130,000
- Best for: System administrators seeking vendor-neutral validation
- Recertification: 2 years
The Linux Foundation also used to have the Linux Foundation Certified Engineer (LFCE) designation, which was an advanced program. That certification was formally retired in 2022.