Do you have the ability to replace Linux operation and maintenance engineers?

Introduction

After working in the technology industry for a long time, there will always be a sense of crisis. Technology updates too fast, and I have too little time to study; I just took the time to learn Python, and found that the trend in the technical circle has changed to GO language; I just bought the GO language book and ate it for a few days, and the commonly used Linux operating system has changed. Updated version. Technical people always have endless new knowledge to learn and endless new areas to explore.

Although there is infinite knowledge, there is no infinite energy. It is even difficult to allocate limited energy to learning. When I first entered the industry, I was full of enthusiasm. When the product was launched, I worked overtime all night. As I got older and had a family, it took a lot of time to go back and hug the children every day.

If things go on like this, the mastery of new technologies will lag far behind that of young people. When the technological iteration is finally (and will be) completed, cheaper new blood will pour in crazily, and the old technicians will have to be squeezed out of the beach by the waves behind them.

During the Dragon Boat Festival, another colleague from the operation and maintenance team resigned. So I suddenly thought of discussing with you what kind of operation and maintenance engineer is irreplaceable?

Of course, it is an exaggeration to say that it is irreplaceable. The world will continue to develop as usual without any one person. Even if all human beings are destroyed, the earth will still rotate.

So we might as well put it another way: If the company's business needs to develop rapidly, what kind of technical personnel need to be recruited most? If the company's business declines and the operation and maintenance team of 100 people is reduced to only ten people, what characteristics of operation and maintenance engineers can survive?

After clarifying these requirements, we can discover what kind of operation and maintenance engineers, even if they are not truly irreplaceable, can still not be eliminated in most cases.

Roughly speaking, I think the following points are more important:

First, the depth of knowledge is sufficient to become an expert in the field of Linux operation and maintenance.

The knowledge here refers to the knowledge of the entire Linux field, not the knowledge of a single module. In the entire Linux field, you must have sufficient knowledge accumulation. If you specialize in a certain technical point, your knowledge may lose value when the company's business direction changes or in other circumstances.

If you have some exposure to the entire Linux field and can maintain in-depth study at the same time, then you can become an expert in a certain sense. This kind of expert is a generalist and can also ensure the efficiency of problem solving. Then You will have more chances of survival when you are in big waves.

Second, have strong execution and judgment.

Execution ability is always the only way to progress in the workplace. In a team, except for a few technical leaders, most people's abilities and experience are almost the same as the starting point. However, some people are quick, serious and hard-working, very reliable, and will fix problems themselves as soon as possible. This kind of person will quickly stand out wherever he goes.

In our daily work, most of the tasks are not difficult. The barriers to employment in the technical industry are not high, and many people can do very well even if they are self-taught. I have never heard of a certain IQ level required to do technical work. Therefore, under the same conditions, those who do things faster will undoubtedly be favored.

In addition to doing things quickly, you also need to do them well. What you need at this time is judgment. Share a true story:

The previous cluster encountered a problem and infini band crashed.

Our own team failed to check and had no clue, so we asked engineers to come to the door. The engineers worked from early morning to midnight, typing various command codes, running various scripts, modifying various parameters and configuring services. With help, by 1 a.m., the entire cluster had been restarted more than ten times. Finally, the IB problem remained and the Gigabit network used for i communication also collapsed.

The next day I called to replace someone, and Zhang Jun came up. After a few lines of code, it suddenly became clear. Half an hour later, the gigabit network returned to normal, and two hours later, the cluster returned to normal. He also helped us solve other problems by the way.

It is almost impossible for someone like Zhang Jun to be eliminated by the technology industry.

Third, being strong on your own does not mean you are strong, you must be able to inspire the strength of the team.

In my previous career, I met at least three colleagues who were extremely technical and had weird tempers. Of these three, Liu Jun was the worst.
Liu graduated from a certain 985 university, which claims that its students account for half of the IT industry. Of course, he has no abilities, but his personality is really weird: he usually refuses to say a word. He has been here for more than half a month and he still doesn’t know the name of a new colleague. He also refuses to have a dinner with more than a dozen people from the project team. Attend. Of course, this level of character is quite acceptable.

However, Liu Jun has a habit of mocking his colleagues' work ability: an intern who just came to the company was a little slow in writing an automation script, and he was named and laughed at in a large group of the company.

This style of work became more and more intense, and finally, after returning from the Spring Festival last year, Liu Jun’s workstation became vacant.

Although there is no problem with his technical ability, one person can produce the results of two people; but because of this personality, the work efficiency of the entire team has dropped a lot, and the only choice is to choose one of the two.

These three points are very comprehensive and comprehensive improvement directions. To truly achieve them, very detailed planning and execution are required. Beyond the legendary stories, there must be hardships.

Of course, the above are all my personal opinions and may have some shortcomings. If you have any better opinions, welcome to interact with me in the comment area, I will try my best to reply to you, thank you!

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