using rsync to backup

Brief introduction For the choice of Linux as an application platform for small and medium-sized enterprises or Web sites, often face how to achieve remote Data backup or Web site mirror image of the problem, although there are commercial backup and mirror products to choose from, but these products are often too expensive prices. So how to use free software to efficiently implement remote

SSH to User B's identity without a password to log on to Server B. Q: How do I use rsync through a firewall without compromising security?　　A: The answers are as follows: This usually has two kinds of situations, one is the server inside the firewall, one is the server outside the fire wall. In either case, usually using SSH, it is best to create a new backup

security? 　　A: The answers are as follows: This usually has two kinds of situations, one is the server inside the firewall, one is the server outside the fire wall. In either case, usually using SSH, it is best to create a new backup user and configure sshd only to allow this user to enter through the RSA authentication method. If the server is inside the firewall, it is best to qualify the client's IP add

$ rsync -azv filename1 filename2 Use the preceding command to synchronize the files in filename2 at the same time as the files created in filename1, It retains symbolic links, permissions, time tags, user names, and group names. 3. Synchronize files locally to the remote server $rsync -avzfilename1 root@192.168.0.1:/home/redhat/filename2 The above command is to synchronize local filename1 to the host of r

that the user does not have access to. This is useful for situations where some files in a directory that need to be backed up should not be available to the backup person.Transfer loggingMake the Rsync server use FTP-formatted files to record download and upload operations in its own separate log.Log formatWith this option, users can customize the fields of the log file by

to install Rsync package =================================== Server-side configuration: =================================== 1. Installation Using the system's own rsync tool, insert the system boot CD and install the Rsync tool via RPM. If using the source package ins

Use rsync and crond servers for WEB Service backup, rsynccrondBack up WEB services using rsync and crond serversScenario:A company has a Web server. The data in the server is very important, but if the hard disk breaks down, the data will be lost.Now the leaders ask you to back up data on other machines. The requiremen

rsync Simple The role of rsync is like the general Linux CP and SCP directive, which can be copied from the source location to the destination location, however, rsync is more efficient than CP and SCP in a copy of the file, and supports both the connection and the devices, as well as the retention of the file's owner, group Group and permissions, In the first c

is 0 Speedup is 0.00# ll/var/www/html/ ---------> #确实没有同步secret这个目录总用量 4drwxr-xr-x. 2 root root 4096 December 1 hah A-rw-r--r--. 1 root root 0 December 1 index.html-rw-r--r--. 1 root root 0 December 1 page_2.html-rw-r--r--. 1 root Root 0 December 1 page.html2. Synchronizing local files to the server# Touch new.html #在本地新增一个文件 # RSYNC-VZRTOPG--progress--partial--password-file=/etc/rsy