What is linux operation and maintenance?

What is Linux operation and maintenance?

To sum it up in one sentence: Maintain the Linux operating system and related software services, program codes and enterprise data on the system, so that enterprises can provide high-quality, efficient and fast services to enterprise customers. Provide services.

The characteristics of the Linux system are: safe, stable, free, efficient, and free to change the source code. More than 90% of enterprises on the market now use Linux servers. As enterprises develop, the number of servers and services, software and program architecture and other requirements will also double, which will lead to more requirements for operation and maintenance capabilities and quantity.

What knowledge do you need to learn for Linux operation and maintenance?

If you want to become a qualified operation and maintenance engineer, you need to master many skills. Linux operation and maintenance engineers pay attention to breadth; let me introduce to you the learning content of Linux operation and maintenance:

1 , Linux system basics - the basic knowledge content of Linux, the use of commands, and core knowledge points such as users and permissions

2. Linux system management and advancement-Linux from processes, resources, tasks, software, software Package, disk, etc. management methods

3. Common Linux enterprise services-common enterprise-level services such as DNS, FTP, HTTP, mail

4. Linux enterprise-level security principles and prevention techniques as well as network and Security - Linux security architecture, security threat model, encryption, decryption and other principles, common attacks and prevention sections

5, Shell programming gate and advanced - basic usage and advanced of Shell script, from basic to proficient. Need to learn some common enterprise-level script usage

6. MySQL application principles and management gate-Mysql installation, management, authorization, addition, deletion, modification and query

7.http service agent cache acceleration-http level protocol Application, cache, web service nginx

8, enterprise-level load cluster - enterprise-level 4-layer load balancing LVS, and 7-layer load balancing nginx and haproxy application

9, enterprise-level available cluster -The principle of available clusters realizes the available clusters with keepalived as the core, as well as the functions and architecture of master-slave high availability, dual-master

10, operation and maintenance monitoring zabbix-enterprise-level monitoring system and zabbix streaming open source monitoring system

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

12. WEB service architecture - WEB service architecture, JSP system, tomcat, CDN, caching principle, Stress testing, evaluation

13, Large-scale interconnected cluster architecture and practical cases-LB cluster: nginx, Haproxy, LVS HA cluster, dynamic and static separation

14, MySQL DBA practical skills and optimization-database parameters Optimization, sharding of databases and tables, backup solutions, data recovery strategies, master-slave replication, read-write separation, connection pool and sharding technology, MHA, etc.

15, enterprise-level cloud computing Openstack-Keystone, Glance, Nova core Components, network modules, block storage services, etc.

16. Enterprise-level data Hadoop operation and maintenance practice-column database HBase basic principles, installation configuration and applications, Zookeeper cluster construction hadoop implementation Namenode can

17. Enterprise-level virtualization KVM actual combat-KVM environment: KVM installation, configuration and application

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

19. Enterprise-level log collection system ELK practice - massive data log collection system Elasticsearch Logstash kibana application

20. Sustainable integration - Jenkins github enterprise-level application

21. Virtualization container Docker -Linux lightweight virtualization Docker, Docker principle, installation, configuration and application

22, Enterprise-level K8S actual combat-component functions, installation, configuration, enterprise-level application scenarios and common fault analysis

23. Linux system tuning practice - comprehensive explanation of Linux system tuning from memory, CPU, process scheduling, disk IO, network parameters, etc.

24. Python programming basics - python installation, logical judgment, module use Wait

25. Improvement of personal comprehensive abilities - expression ability, teamwork ability, execution ability, competency, etc.

Related learning recommendations: linux video tutorial

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