The system administrator's requirements for network administrators are basically big and comprehensive, and they don't need to be proficient, but they must understand everything. Therefore, in conclusion, a qualified system administrator should have solid theoretical knowledge and application skills in six aspects such as network operating system , network database, network equipment , network management, network security, and application development to be able to do work. To be handy and comfortable. National Vocational Qualification of network management defined members are engaged in computer network operation and maintenance personnel.
Divided into network systems management staff and information systems administrator. The network system administrator is mainly responsible for the entire system network equipment and server system design, installation, configuration, management and maintenance work for the safe operation of the internal network to do technical protection. The server is the core of the network application system. Hire a Freelance system administrator, He is responsible for the management. The information system administrator is responsible for the daily management and maintenance of the specific information system and has the highest management authority of the information system .
Operating system management(1) After the network operating system is configured and put into normal operation, in order to ensure that the network operating system is working properly, the freelance network analyst should first be able to skillfully use the various management tool software provided by the system to supervise the operation of the system in real time and discover in a timely manner. Failure symptoms and processing.(2) During the network operation, the network administrator should keep abreast of the network system configuration and configuration parameter changes, and back up the configuration parameters. Network administrators should also be able to dynamically adjust system configuration parameters and optimize system performance as system environments change, business development needs, and user needs.(3) Network administrators should establish a hot backup system for critical network operating system servers to prepare for disaster prevention.
Application System Management(1) Ensure the continuity of various network application services and the good performance of the work. In the event of a failure, the loss and impact caused by the failure should be kept to a minimum.System administrator related booksSystem administrator related books(2) For critical network application systems that require non-interruptible services, in addition to mastering, backing up system parameters, and regularly backing up system service data on the software means, a hot backup of the system must be established and configured on hardware means if necessary.(3) For network application services with high user access frequency and system load, network administrators should also adopt shared technical measures when necessary.