Synchronizing folders between EC2 linux servers

About Rsync:

Rsync is a utility for efficiently transferring and synchronizing files across computer systems, by checking the timestamp and size of files.[3] It is commonly found on Unix-like systems and functions as both a file synchronization and file transfer program. The rsync algorithm is a type of delta encoding, and is used for minimizing network usage. Zlib may be used for additional data compression,[3] and SSH or stunnel can be used for data security.

Rsync is typically used for synchronizing files and directories between two different systems. For example, if the command rsync local-file user@remote-host:remote-file is run, rsync will use SSH to connect as user to remote-host.[4] Once connected, it will invoke the remote host’s rsync and then the two programs will determine what parts of the file need to be transferred over the connection.

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Installing Rsync:

For Yum yum install rsync

For Debian / Ubuntu apt-get install rsync



-r, --recursive
-l, --links # copy symlinks as links
-p, --perms # preserve permissions
-t, --times # preserve times
-g, --group # preserve group
-o, --owner # preserve owner
-D # --devices --specials
--delete # Delete extra files
--exclude # Exclude log/tmp folders etc

A complete command would look like:

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Product Lead at StegoSOC

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