What skills do you need to do system maintenance?

The main work of operation and maintenance is to ensure the performance, availability and stability of the system and ensure the safety of the system. Operation and maintenance objects are divided into three aspects: server, operating system and database.

From our requirements for recruiting operation and maintenance personnel to analyze:

Job responsibilities:

1. Track, locate and optimize the problem of service stability, and continuously improve the stability of container cloud platform and service SLA；;

2. Develop and optimize the container cloud platform, including flexible disaster tolerance, intelligent scheduling, flexible expansion and contraction, and anti-attack.

3. Reasonably plan the operation and maintenance system and specifications to ensure system performance, availability and stability;

4. Optimize the service architecture, deployment architecture, disaster recovery scheme and other aspects to realize distributed and clustered operation and maintenance, and formulate and implement relevant operation and maintenance technical schemes to ensure the efficient and stable operation of online services;

Qualifications:

1, familiar with automatic deployment, maintenance and troubleshooting of Linux operating system;

2. Familiar with the configuration of various services under Linux system, such as MySQL, DNS, Nginx, RabbitMQ, Redis, etc.

3. Understand Docker container technology;

4. Skillfully use tools such as awk and sed;

5. Master at least one of LinuxShell and python;

6. Have the basic knowledge of network security, be familiar with TCP/IP protocol stack, and have the ability to quickly troubleshoot;

7, familiar with continuous integration, continuous release management process and tools, familiar with jenkins.

Now the demand for operation and maintenance engineers is increasing, and more skills and knowledge are needed. The more experience the operation and maintenance personnel have, the more popular they are.