What certifications does Linux have?

Linux certifications include: 1. Red Hat certification, including RHCSA certification (Red Hat Certified Technician), RHCE certification (Red Hat Certified Engineer) and RHCA certification (Red Hat Certified Architect); 2. Red Flag Linux certification ; 3. LPI certification; 4. SairLinux and GNU certification; 5. Linux certification.

#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

Linux certification refers to the qualification obtained by passing the exam after obtaining professional Linux training. The internationally recognized Linux certifications include Linux Professional Institute (LPI for short), SairLinux and GNU, Linux and RedHatCertifiedEngineer.

Linux certifications include:

Red Hat Certification

The first is of course Red Hat Certification. When it comes to Linux certification, the first thing many people think of is Red Hat certification. As one of the most valuable certifications in the Linux field, Red Hat certification is widely recognized by the industry. Red Hat Certification is a Linux certification launched by Red Hat Linux. It mainly examines candidates' practical ability in actual operating systems, with the main feature of focusing on cultivating practical hands-on capabilities! Red Hat certification is divided into three levels from low to high, namely Red Hat Certified Technician (RHCSA), Red Hat Certified Engineer (RHCE) and Red Hat Certified Architect (RHCA).

• RHCSA Certification

  With the release of Red Hat Enterprise Edition 6 (hereinafter referred to as RHEL6) on November 10, 2010, the official Red Hat English website was also released on the same day It has updated its RHCE training strategy and launched the latest entry-level certification-Red Hat Certified System Administrator (RHCSA) to replace the traditional RHCT (Red Hat Certified Technician). In response to the emergence of new technologies such as cloud computing, cloud storage, and virtualization, Red Hat has redesigned and improved the entire RHCE course. RHCSA will be conducted as a separate course for training and examination. Candidates must pass the RHCSA before they can pass the RHCE.

• RHCE Certification

  RHCE is the abbreviation of Red Hat Certified Engineer - Red Hat Certified Engineer started in March 1999. RHCE is the world's first certification exam for Linux. It is not an ordinary certification test. Compared with other operating system certification exams, it does not have a written test and is all on-site practical operations. Therefore, RHCE has become the most difficult exam recognized by the industry. One of the certification exams.

• RHCA Certification

  RHCA (Red Hat Certified Architect) is a top-level certification launched by RedHat in 2004. It is also the most advanced operating system certification recognized in the Linux industry. Obtaining RHCA certification proves that you have an extremely in-depth understanding of Linux systems and the ability to use Linux to build large-scale enterprise services. As of July 2010, there were 33 people with RHCA in China and 337 people with RHCA in the world.

Red Flag Linux Certification

If your goal is just to make a difference in the domestic Linux community, then Red Flag Linux Certification is also a good choice. . As the earliest Linux operating system in China, Hongqi Linux has sold more than 1,000,000 copies each year. It is the Linux with the largest share in the Chinese market, with an extensive user base and numerous training institutions. Red Flag Linux certification is mainly divided into Red Flag Linux Certified Product Expert (RAP) and Red Flag Linux Certified Engineer (RCE).

LPI Certification

There is also LPI certification. LPI certification is a neutral certification that is spread all over the world and is commonly used by various countries. Its characteristic is that it is popularized around the world. The degree is relatively high, but it also has disadvantages, that is, it is currently more inconvenient to take exams in China.

This certification has three levels, including:

• Junior Level Certification LPIC-1

• Advanced Level Certification LPIC-2

• The highest level certification LPIC-3

The first two certifications focus on Linux system administration, while the last certification focuses on some professional skills, including Virtualization and security.

SairLinux and GNU Certification

Like LPI, Sair provides three levels of certification programs;

Level 1——Sair Linux & GNU Certified Administrator (LCA)

Level 2 ---- Sair Linux & GNU Certified Engineer (LCE)

Level 3 ---- Master Sair Linux & GNU Certified Engineer (MLCE)

Level 1 is the fully developed Sair certification program, which is the same as LPI.

Linux Certification

The Linux certification program sponsored by CompTIA is the latest entry into the Linux certification market. The plan was officially launched on September 21, 2001, and has attracted widespread attention among Linux practitioners and the industry. Almost all major certification publishers have written exam reference books for Linux certification, and many IT training centers are preparing Linux certification programs.

Like other certifications with " " numbers launched by CompTIA, the Linux qualification certificate only needs to pass one exam (VUE and Prometric exam centers hold such exams). Once you obtain the Linux qualification certificate , the certificate will be valid for life. The price of the Linux exam is US$190. The exam uses multiple-choice questions and lasts 120 minutes. Many of the contents covered are exactly the same as the Sair and LPI certifications, but the difficulty is slightly lower.

LPI and Sair certification programs are aimed at Linux network and system administrators with considerable experience, while Linux certification is mainly for individuals who have only about half a year of Linux experience and want to obtain basic Linux technical qualifications.

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