Linux administrators are in demand. Those who are certified get more offers at higher rates of pay. To offer a personal experience of this, several years ago this writer applied for a job with a large well-known company and sailed through the interview. It came down to him and one other candidate, who had a similar level of experience.
The writer had only the RHCSA (Red Hat Certified Sys Admin) certificate, while the other candidate had RHCE (Red Hat Certified Engineer) certification and got the job. In a post-interview conversation, it became clear that the interviewer saw the RHCE certification as a big differentiator and a proven case of how certificates can and do make a difference.
Depending on how you approach Linux accreditation, it can be costly. Some certifications are wildly more expensive than others. Some are stepping stones to prove enough knowledge to get a foot in the door and an advantage over non-certified candidates.
There are several well-regarded certifications and all have their pros and cons. They chase different types of customers and charge appropriately. So, without further delay, let’s look at the top Linux certifications.
