


What is the importance of Linux backup
The importance of Linux backup is to ensure system security and application security; Linux system managers must have a reasonable backup and recovery strategy for the system and business applications. A perfect backup strategy can ensure zero business downtime and Complete recovery of data; when backing up data, not only should the data be saved in multiple storage media, but important data must also be saved off-site.
#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.
What is the importance of Linux backup?
The security of Linux system is always relative, not absolute. Damage to system hardware and the pervasiveness of hackers are all enemies of system security. In this case, backup is an essential step if we want to ensure system security and application security.
Although the Linux system will inevitably have problems due to factors such as the internal environment, underlying hardware, external hackers, etc., as a system administrator, it is not your responsibility to ensure that the system always There should be no problems (in fact, it is impossible to do), but when the system fails or crashes, it must be able to restore the operation of the system as quickly as possible and in the shortest time to ensure the security of the data, thereby bringing the failure to losses to a minimum.
To achieve such a goal, system managers are required to have a reasonable backup and recovery strategy for the system and business applications. A perfect backup strategy can ensure zero business downtime and complete recovery of data. Some people say that since data backup is very important, I should save a copy of the important data on the hard disk, a copy on the mobile hard disk, and then burn a CD. This way the data should be very safe, right?
For individual users, saving data in this way is enough; but for enterprise users, there are still security risks because the data is still placed in the same place. Do you still remember the "9·11" incident in the United States? Behemoths like the World Trade Center in New York City also collapsed. Of course, compared to such a disaster, the data loss is already negligible, but this still illustrates the importance of off-site backup. Therefore, when we back up data, we not only need to save the data in multiple storage media, but also consider saving important data off-site.
Related recommendations: "Linux Video Tutorial"
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