To become a qualified operation and maintenance engineer, first of all, we need to know what operation and maintenance is mainly about. How to become a qualified operation and maintenance engineer?
Two, the server detection and preparation (1), at the appropriate time to the server for a cold shutdown breakpoint, and then check its power supply, hard disk, network card, fan, etc., to ensure that its performance is good. (2) If RAID is configured for the server, check whether the RAID card and hot-swappable hard disk work properly. (3) Clear the historical data of the file system and ensure that the file system has enough available disk space. (4) Clean up the historical data of the database and keep enough available space of the database. Note 1: Whether the system patch is installed properly Patches are easy to configure and are provided free of charge. However, some oss may consider that the system runs well and do not need to install patches. Note 2: Data backup should not be forgotten once the loss of enterprise data is “fatal”, to prevent data loss, server data backup must be indispensable. Note 3: Strengthening the security level of the server’s local file format The security check of the server comes from its own device, and a large part comes from defending against external attacks.
During the festival, because of unattended, we usually choose the operation and maintenance monitoring platform to conduct real-time monitoring of the system to prevent problems. The operation and maintenance platform should be able to monitor comprehensively. It is best to monitor the whole system in one platform, monitor all possible failure links in the system, and set relevant warnings, so that the operation and maintenance personnel can deal with the abnormal signals in the system in time, and prevent the leakage after the failure.
Four, to switch/router detection and its preparation 1, in the case of conditions allow to restart the switch/router for testing to its function, health clean is very necessary, it is better to open the switch/router, remove dust that its main circuit and its periphery, the fault is caused by dust. Backups are also necessary, such as IOS and network configuration backups for Cisco routers, preferably to a fixed location.