Several Linux commonly used backup method

System backup is a system management is important for a circumcision, this article details the various backup methods in Linux, I believe you all of the day-to-day management of the help.

Backup is an important job, but many people do not have to do it. Once due to improper use of the data loss, backup is a real help. This article will discuss setting up a backup strategy and how to select a backup media and backup of tar and cpio tool. Set the backup policy set backup strategies and plans can increase the likelihood of a backup. Backup before you start, to determine what data, backup frequency and what type of media used for backups. Backup, you should perform a full backup. Backups are often placed in idle time. In most systems, because this time the number of users, so the file is opened. Owing to the backup takes up some system resources to run backup user will find system unresponsive. If there is only one Linux computer, you can use for a week or a month on the entire system backup once. If you have a key file, you should have a plan to put the files copied to a removable disk. Before backup, first make sure that you correctly set the backup device. Most tape backup system can be found at the time of installation is correct. The system is started, open a Terminal window and enter the following command: $ dmeg | less scrolling list, and look for your tape drive system. If not found, you need to load a component drivers. If you run a Linux server, we must formulate a backup plan, but this does not mean that every day on everything backed up. The system only part of what needs to be backed up daily, the following lists need backup project: user documentation: daily on/home user files in the directory for the backup. Profile:/etc and/var directory of the configuration file does not need frequent backups, weekly or monthly backup once mainly depends on how often the configuration change. Procedural file:/usr, and/opt directory in program files rarely change, after installation you can make a backup. Normally, the program files easily from your original installation disk. Select a backup media where the backup is saved to a variety of choices. Here are some alternative backup medium: floppy disk: If you want to make a quick backup of important files, or to be brought home when the floppy disk is still a kind of optional backup media. The CD writer: as the CD writer is becoming more and more reliable, the price is lower and lower, the disc itself is also very cheap. Choose one of the benefits of this item is not easy to be damaged, its backup reliability is very high. Use the CD writer has two disadvantages: they are slow, and can save about 650MB. Rewritable discs: rewritable disc drive than the CD writer is more expensive, working methods and the like. However, these discs can be rewritten, and it can only write-once disc on your lot. Rewritable CDs other characteristics are similar with the CD writer. Jaz and Zip: Zip drives is very popular and has become a lot of PC's standard configuration, while at the same time its disk and drive are not expensive. It is one which can accommodate up to 100Mbit data, is a fast, portable backup is a good choice. Jaz disk can hold on G bytes of data, and using more advanced techniques for better performance. Jaz drives and Jaz disks are relatively expensive. Jaz and Zip bug is easily damaged and kept relatively short time.