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This article uses easy-to-understand examples to introduce what linux operation and maintenance is, the code is very detailed, interested friends can refer to, hope to be helpful to you.

What is linux operation and maintenance?

It can be summed up in one sentence: maintain the Linux operating system and the related software services, program code and enterprise data above the system, so that the enterprise can provide high-quality, efficient and fast service for its customers.

The characteristics of Linux system are: security, stability, free, efficient, free to change the source code. At present, more than 90% of the enterprises in the market use Linux servers. With the development of enterprises, the number of servers and services, software and program architecture and other requirements will also increase, so there are more requirements for the ability and quantity of operation and maintenance.

What knowledge does linux operation and maintenance need to learn?

If you want to become a qualified OPS engineer, you need to master a lot of skills. Linux OPS engineers pay attention to breadth. Here is an introduction to the learning content of linux OPS:

1. The basic door of Linux system-the basic knowledge of Linux, the use of commands, as well as core knowledge points such as users and permissions.

2. Linux system management and advanced-Linux management from processes, resources, tasks, components, software packages, disks, etc.

3. Linux Enterprise Common Services-Enterprise Common Services such as DNS, FTP, Http, mail

4. Linux enterprise security principles and prevention techniques and network and security-Linux security architecture, security threat model, encryption, decryption and other principles, common attacks and prevention segments

5. Shell programming gate and advanced-basic usage and advanced Shell script, from basic to proficient, you need to learn some common enterprise script usage.

6. MySQL application principle and management door-Mysql installation, management, authorization, addition, deletion, modification and search

7. Http service proxy cache acceleration-http level protocol application, cache, web service nginx

8. Enterprise load cluster-the application of enterprise layer 4 load balancer LVS, layer 7 load balancer nginx and haproxy

9. Enterprise-level available clusters-the principle of available clusters, the realization of available clusters based on keepalived, as well as master-slave high availability and dual-master

10. Operation and maintenance monitoring zabbix- enterprise monitoring system and zabbix stream open source monitoring system function and architecture

11. Cloud computing operation and maintenance automation-ansible, puppet and other operation and maintenance automation solutions

12. WEB service architecture-WEB service architecture, JSP architecture, tomcat, CDN, cache principle, pressure testing, evaluation

13. Large-scale interconnected cluster architecture and actual combat case-LB cluster: nginx, Haproxy, LVS HA cluster, dynamic and static separation

14. MySQL DBA actual combat skills and optimization-database parameter optimization, database table division, backup scheme, data recovery strategy, master-slave replication, read-write separation, connection pooling and sharding technology, MHA, etc.

15. Enterprise cloud computing Openstack-Keystone, Glance, Nova core components, network modules, block storage services, etc.

16. Enterprise data Hadoop operation and maintenance practice-column database HBase basic principle, installation and configuration and its response, Zookeeper cluster construction hadoop to achieve Namenode

17. Enterprise Virtualization KVM practice-KVM Environment: installation, configuration and response of KVM

18. NoSQL enterprise applications-Nosql applications, such as redis, MongoDB replication, cluster level applications

19. Enterprise Log Collection system ELK practice-massive data Log Collection system Elasticsearch+Logstash+kibana Application

20. Sustainable Integration-Jenkins+github Enterprise Application

21. Virtualization Container Docker-Linux lightweight Virtualization Docker, Docker principle and installation, configuration and Application

22. Enterprise K8S practice-component functions, installation, configuration, enterprise application scenarios and common fault analysis

23. Linux system tuning practice-comprehensively explain Linux system tuning from memory, CPU, process scheduling, disk IO, network parameters, etc.

24. Python programming basic gate-python installation, logic judgment, module use, etc.

25. Personal comprehensive ability improvement-expression ability, teamwork ability, executive ability, competence, etc.

About linux operation and maintenance what is shared here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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