Rsync is an open source command line tool for Unix and Windows systems that provides fast incremental file transfer to copy files and synchronize directories locally or between remote hosts. It is widely used for mirroring and backup.

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How much upstream traffic should a transfer over TCP produce

When a file is downloaded via some TCP-based protocol, there is also data flowing in the other direction – acknowledgement packages etc. Now if I watch some network monitor, I wonder if all of the ...
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65 views

Why isn't ownership preserved with “rsync -a” on my Mac?

I am copying files from an internal disk to an external one attached by USB (both are formatted as Mac OS Extended (Journaled)): root# rsync -avi /Volumes/int_hd/ /Volumes/ext_hd/ All directories ...
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37 views

Unable to change owner on a mapped drive directory

I am using a script to copy files from amazon instances to a network drive using rsync. After the file copy I am trying to change the owner of these transferred files but am not able to. What is the ...
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1answer
104 views

How do I make Unison behave like rsync?

I have two roots, /sync and ssh://bob@remotehost//sync. These roots contain three subfolders: paul, bob and sam. I currently sync them using the following script: rsync -a --delete --delete-excluded -...
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42 views

Limit rsync to available space on destination

I have a directory, /data/snapshots, which I'd like to archive to an external drive mounted at /mnt. The external is 2tb, /data/snapshots is much more. If I: rysnc -av /data/snapshot /mnt Then ...
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104 views

Linux: sync/merge two (or more) directories, but keep older file versions?

got alotta help throughout the time just by simply scrolling and crawling through the vast landscape of qualified answers here from you, now's the time to ask my first question and it looks rather ...
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139 views

Making mbuffer faster

I'm trying to transfer files as fast as possible across a 10 gig network connection. Up until now, I've been using rsync to move large files across the network, but I'm trying mbuffer now because I've ...
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1answer
62 views

How to maintain a remote cloned directory with rsync?

I have SSH access (using a SSH key pair) to a remote machine. I want to keep a directory on the remote machine exactly equal to a given local directory (one way sync). The check for file equality ...
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1answer
42 views

How to properly migrate a constantly changing set of files from one NAS to another?

I am moving 4.4TB of files from one NAS to another, both running Ubuntu. However there is one thing that made me a bit worried whether rsync would work or not: there is a folder whose contents that is ...
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1answer
57 views

Fastest way to duplicate encrypted hard drives?

I used hard drive duplicator to do the sector-by-sector duplication of hard drives. I think it took about 5 hours. Pros: easy unattended, computer-free operation Cons: hard drive size ...
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1answer
81 views

Rsync behaviour/differences & newbie

From my understanding, rsync over SMB tries to build a file list each time on source/destination to check any changes have been modified before a copy takes please. I’m trying to understand the ...
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1answer
205 views

How to safely synchronize two folders without duplicates?

I have an account on mega and I want to synchronize it with a folder on my computer. The problem is, that this account is public to some extent so I can't just use rsync with --delete in case someone ...
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230 views

How to rsync root files over non-root ssh?

I have two machines, both providing no root login, but provide sudo root access. Now I like to initate a rsync transfer of root files over ssh. Is there an easy way make the the root access given by ...
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493 views

Rsync-like automatic delta backup of a removable hard drive on windows

Well a lot of questions have been asked on the SE network about using rsync on Windows. But nothing seems to really do the trick so I'd like to expose the specific mechanism I need to setup. Lets say ...
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255 views

Synchronize two folders over sftp?

I have a cloned git repository in a directory and a sftp server, I want the server to be in sync with my repository. I've been trying multiple Atom/Sublime Text plugins with no luck, they only upload ...
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1answer
149 views

How to delete folder and files in the destination that are missing in the source (before copying)?

I sometimes have the problem that rsync tries to transfer a new file from the source to the destination (both have the same space) when there's already not enough space left, which causes this error ...
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2answers
82 views

How do I efficiently move a large, empty disk image to another system

I'm currently trying to move a fairly empty, fresh qcow2 image from one system to another that's far away. I've basically got a fresh install of ubuntu LTS (real size 6gb, apparent size 200gb). Most ...
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1answer
119 views

Cannot delete file on Linux

After backuping with 'rsync --archive --update' my home directory from ext4 to btrfs, rsync reports errors like this: rsync: readdir("/mnt/backup/home/me/.mozilla/firefox/qbdcaxwe.default/sessions/???...
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91 views

CentOs 6, rsync/scp of big file stop at 40% (2.4G)

I'm trying to download from the remote server to local laptop a big file (~5G), but the download stops at 40% of the size (2.4G). I'm using this rsync command: rsync --bwlimit=1200 -rh --progress -...
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153 views

rsync glitches with -X (extended attributes) flag

When I rsync files from ext4 file system to btrfs with the following set of flags: rsync --update -DHAXErlptgo the first copy of the backaped directory is done OK, but when this same command is ...
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1answer
39 views

Why can't I use a specified port in /etc/ssh/sshd_config for remote transfers?

I have just setup a vps server on Ubuntu 14.04, for security reasons, I changed the allowed port for ssh connections in /etc/ssh/sshd_config. So far I've been able to connect remotely via this new ...
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1answer
48 views

rsync variables script syntax error

Really struggling with getting a command argument variable to work with rsync. The behavior i'm seeing is this error from the script: rsync: connection unexpectedly closed (0 bytes received so far) [...
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63 views

rsync a folder ignoring sud-dirs which has with circular symlink

I am trying to rsync a folder as below: rsync -ahLz ./src /tmp/ Dir "./src" has circulr symlink as: $ ls -l src/cpp/blddir lrwxrwxrwx 1 lnxbuild users 16 May 27 02:16 src/cpp/blddir -> ../../../...
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2answers
92 views

Backing up linux server on ntfs harddrive

I'm looking for a way to backup my debian server. For the data partition I have a solution using rsync, the backup goes to an encrypted ntfs-drive. NTFS because I often take the drive with me to watch ...
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1answer
351 views

Rsync - resending all files, because files have different timestamp (off by 1 second!)

I am using rsync to backup files from my Mac laptop to a usb drive (exFAT) on my Windows laptop. The usb drive is shared within my home network, and mounted on my Mac. I noticed a weird problem when ...
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63 views

How to set permissions and ownership when using rsync?

I'm using capistrano-wpcli (link), a program that uses 'rsync' to synchronize folders between development and testing servers. I've set the uploads folder's permission on the remote server to 777 ...
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1answer
418 views

Make my NAS send me a notification when it receives a new public IP

In order to keep my most valuable files safe(r) I have a remote NAS setup. Every night I use rsync to send my changed files from my local server to the NAS and this is working somewhat okay. My ...
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1answer
120 views

rsync multiple files with colons in their names

rsync interprets colons in file names as indicators that preceding is a remote machine name. When you try to rsync a file that has a colon in it's name, rsync typically gets confused, producing errors ...
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49 views

USB 3.0 Trouble

I am using a WD Elements Portable 1TB USB 3.0 2.5" disk bought in May 2014 to backup data of my desktop machine. rsync runs smoothly without any error messages. However upon restoring data from the ...
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1answer
165 views

rsync doesn't copy file with different attributes but same modification time

I am using rsync to take a backup. This is my command line: sudo rsync -avuh --delete --stats --log-file=$LOGFILE --exclude-from $EXCLUDE $SOURCE $DEST This works for the most part. However, today, ...
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215 views

rsync is missing files

I'm trying to get rsync working between Win7/cygwin source and CentOS 7 VM destination. My command: rsync --dry-run -r -a -v -i -h -x --ignore-times --checksum --progress --delete --delete-before --...
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341 views

Trouble negotiating rsync protocol versions

I am trying to rsync between a Linux box and a MacOS box. The MacOS (yosemite) seems to come with an old version of rsync so I've updated that using homebrew. OK, I seem to have perfectly matching ...
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37 views

How to edit one file, but have it update in two places?

What I'm trying to do is make my computer automatically update my backup files when I edit my local files. For example. I have a directory of websites I work on. Each site is its own directory. I ...
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2answers
2k views

How to fix corrupted NTFS

I was trying to backup my linux box (ext4) into an external NTFS HDD using rsync I got some failure errors and then I deleted the backup on External HDD using "rm -r" & "rm -rf" which was not able ...
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144 views

How to configure rsync to backup a windows XP partition while running linux

I have a dual boot configuration with an XP partition and a Linux partition. The linux partition is my primary one and the XP one is just for gaming/running Windows-only software that's pretty much ...
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2answers
212 views

Container with in-built compression, which automatically adjust its size

I try to find an efficient way of rsyncing contents of an ext4 file system as a part of a regular backup, yet I consider a decent compression and a minimal required space. I can just use plain rsync ...
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2answers
1k views

Rsync copying current directory with name

I want to copy current directory to my backup directory: I tried this command rsync -a . ~/backup/ but it just copies the current directory contents instead of creating new directory at the ...
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1answer
198 views

normal user to rsync between two systems as root

How can I change the user permissions so that the user will be able to rsync between two systems as a root. I added the user in visudo. paru ALL = NOPASSWD: /usr/bin/rsync then I typed the ...
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1answer
263 views

Rsync delete only remove older source files

Ok, I could probably spend a lot of time writing a complex set of bash scripts that would accomplish this, but I'm hoping this functionality already exists somewhere. I have a device in my car which ...
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1answer
115 views

Merge .AppleDouble forks with original files

I used to place my iTunes’s media folder on a NAS accessed through AFP and, as you may know, the OS also placed several .AppleDouble files on it. Now, my NAS isn’t working as expected and the only ...
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1answer
263 views

Rsync ask for password even though I can SSH in without a password using a key

This is the command I'm using: sudo rsync -rvz -e 'ssh -p 1111' ******@111.111.111.111:/home/sql/ /media/disk1/bd92a143-c4d7-4b70-bb6a-6576678fa96b/user/Backups/sql/4-6-2015 Any advice?
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1answer
76 views

How to rsync a folder and subfolders using filenames only?

I would like to synchronize files from the folder /media/alex/Disk1/Movies to the folder named /media/alex/Disk2/Movies. I want to copy each file from /media/alex/Disk1/Movies or a subdirectory to the ...
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778 views

Rsync takes very long time to return after completing file transfer

I’m using rsync to transfer all the files from a folder to a remote machine. I usually have between 1 and 3 files, all around 1 Mb. I am using the following rsync command: rsync -ac -Ph <local>/...
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143 views

rsyncd daemon - how to minimize logged information?

I backup my synology NAS to a linux Debian server that runs rsyncd daemon. A typical backup session will write hundreds of thousands useless messages (sample below) to the daemon log file. Q: How can ...
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1answer
67 views

How to estimate the time needed for transferring files between internal and external drives?

My laptop usb port is usb 2.0. my external hard drive is usb 3.0. Wikipedia says Due to bus access constraints, the effective throughput of the High Speed signaling rate is limited to 35 MB/s or ...
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2answers
113 views

How can I quickly compare two directories skipping hard linked files that exist in both directories in linux

I have two directories that I would like to compare. The first directory contains an rsync backup of many thousands of folders and files. The second directory contains hard links to all of the files ...
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1answer
303 views

How to disable rate limit on SSH connections in UFW?

I've got a dev server to which I constantly sync my code using rsync. To secure the dev server a bit more I now activated UFW, which seems to work fine. The problem is that it works a bit too well, ...
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140 views

Why is there no difference in file transfer speeds using 802.11ac adapter?

My 2012 MacBook Pro is connected to my Netgear R7000 802.11ac router via 2.4 GHz Wi-Fi connection. I can transfer a large file from my Wi-Fi connected to my iMac using rsync at about 90MB/s. Then I ...
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1answer
661 views

cannot rsync via ssh from crontab

I'm having issues transferring files with rsync via ssh. If I just run rsync -avz devel@10.10.10.83:/home/devel/ $/home/user/rsync/servidor it works as expected since the public key is stored in ...
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1answer
1k views

How can I make hourly backups from my Synology NAS to my LaCie NAS?

I have a Synology DiskStation DS215j and a LaCie Network Space 2. The LaCie has firmware >2.2.3, which allows it to function as an rsync server. Of course, normal network shares are also available. ...