Server :: Rsync Files Between Web Servers?
May 20, 2010
I've 15 web servers (in private network) running RHEL, Apache. Needs to sync web files between them. each server is accessible to each other via public key (with passphares).
1) Main server is web1 (where dev upload files initially). So I can make all other servers accessible by web1 without password/passphares and run rsync periodically to update files between them. But security is an issue here as all servers will become easily accessible.
2) Run rsync daemon in all other servers (except web1) on designated port and run rsync command from web1 to sync files. This will do the work but running daemon in all servers might increase overhead and making sure that daemon is running all the time etc. are my concern for this implementation.
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Sep 18, 2009
I just tried to sync files from one server to another. After the sync process, I found the files are bigger than original ones.
I looked up the web and found someone mentions the rsync daemon. So I have to run the daemon on one server before I run the rsync?
The command I used is rsync --partial --progress -r source destination
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Jul 21, 2010
use rsync to cp such files and dirs under /var/www/html/mydir directory but these two files(/dir4/1.html /dir4/2.html) cant rsync to dest mechine.
rsync configure file,below...
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Dec 4, 2010
I wrote a script to wake up my windows machine and do an rsync backup of some of my files. I wanted to make this command a accessible through local bin so I made it executable. However the problem is that when I copies files is copies them with root permissions and i can edit or delete them. How can I set the files so they transfer with the proper permissions for my Ubuntu user?
Code:
#!/bin/bash
# Description: This script first wakes up the client machine and syncs the appropriate folders.
# Finally the script shuts down the client if it was off to begin with.
if [ "$(whoami)" != "root" ]; then
echo "Permission Denied"
exit 1
fi .....
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Dec 8, 2010
I have two servers. #1 is the main server and #2 is only used in case the first one is down. Both of them are in the same LAN. Both are debian Lenny configured the same way. For instance, if #1 has a problem, I simply disconnect it, set #1's IPs to #2 and I have my system ready. The only matter here is that there are plenty of files that need to be syncronized between #1 and #2. I thought that rsync was the answer to this problem I have.
I wanted to create a bash script that runs every day (with cron) and syncs the files I need (.conf, and other data). I used ssh-keygen to generate a pair of keys in order to login SSH without a password. The problem is that the permitRootLogin is set to yes in my sshd_config in both servers. So I can't log in directly as root by ssh. But I need to log in as root to be able to rsync the files between the servers because some of them are .conf files and aren't accesible for non-privilege users (Only root).
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Jun 9, 2011
I'm trying to rsync files and directories from a RedHat linux host(v 4.5 & 4.7) to a Windows server 2003R2 Standard Edition with cygwin running. I'm executing the rsync command from the cygwin shell. The transfer involves rsync'ing approximately 1 TB of data from the linux server to the windows server. After about 280+GB of data transfer, the transfer just dies.
There seems to be no particular file or directory that the transfer stops at. I'm able to rsync GB's of data from other linux hosts to this cygwin server with no problem. Files and directories rsync fine.The network infrastructure is essentially the same regardless of the server being rsync'ed in that it is GB Ethernet running through Cisco GB switches. There appear to be no glitches or hiccups across the network path.
I've asked the folks at rsync.samba.org if they know of any problems or issues. Their response has been neutral in that if the version of rsync that cygwin has ported is within standards then there is no rsync reason this problem should happen.I've asked the cygwin support site if they know of any issues and they have yet to reply. So, my question is whether the version of rsync that is ported to cygwin is standard. If so, is there any reason cygwin & rsync keep failing like this?
I've asked the local rsync on linux guru's and they can't see any reason this should fail from a linux perspective. Apparently I am our company cygwin knowledge base by default.
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Jun 14, 2011
I want to run rsync on server A to copy all files from Server B when they are newer than 7 days.(find . -mtime -7) I don't want to delete the files on Server B.
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Nov 17, 2010
Thought I'd post it here because it's more server related than desktop... I have a script that does:
[Code]....
This is used to sync my local development snapshot with the live web server. There has to be a more compact way of doing this? Can I combine some of the rsyncs? Can I make the rsync set or keep the user and group affiliations? Can I exclude .* yet include .htaccess?
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Jul 26, 2011
Im reading a lot on how to rync to an ftp server but none of the steps are telling me how to do it on servers that use normal authentication.Example I want to keep /var/www in sync with a folder on an ftp server in a folder called /cdn/.Id like to see all files and folders in sync, not just a compressed file etc
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Dec 1, 2009
Does fedoraproject close its official rsync server? Or I did the wrong way?
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Mar 27, 2010
i have an ubuntu server 4 windows client..i use putty or webmin. would like to copy some folders for example: "My houses"to be backup everynigth to the ubuntu server..can somebody give me an easy way for doing this with rsync and smb or cifs.
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Apr 12, 2011
I have a tiny shell script to rsync files between two servers and remove the source files.
This script works fine, when it has been initiated manually or even when the rsync command is executed on the command line.
But the same script doesn't work, when I try to automate it through crontab.
I am using 'abc' user to execute this rsync, instead of root, as root login to servers are restricted in all of our servers, by us.
As I mentioned earlier, manual execution works like charm!
When this rsync.sh is initiated through crontab, it runs the first command(chown abc.abc ...) perfectly without any issues. But the second line is not at all executed, and there is no log entry i can find at /mnt/xyz/folder/rsync.log.
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Dec 8, 2010
I'm using Ubuntu 10.04 LTS server and Postgresql 8.4. I have a .sh script that is run by cron every other hour. That works fine. The .sh script includes an rsync command that copies a postgresql dump .tar file to a remote archive location via ssh. That fails when run by cron; I think because it is (quietly) asking for the remote user's password (and not getting it). I set up the public/private ssh key arrangement. The script succeeds when run manually as the same user that the cron job uses, and does not ask for the password. I am able to ssh to the remote server from the source server (using the same username) and not get the password prompt (both directions), so why doesn't rsync work? I even put a .pgpass file in the root of that user's directory with that user's password, and the user/password are identical on both servers.
I think the problem is rsync is not able to use the ssh key correctly. I tried adding this to my script but it didn't help.
Code:
Here is the rsync command embedding in the .sh script.
Code:
Here is the cron entry:
Code:
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Jan 1, 2010
I have two servers, both running CentOS, but one running Cpanel as the control panel and the other running Webmin.
I would like to sync the web folders using rsync. However, when I sync the files from the Cpanel host the permissions look as follows:
Code:
But that doesn't work on the Webmin server which needs the following:
Code:
It seems the Cpanel install has the group as 'nobody' whilst webmin has it the same as the file owner. I can fix this by running:
Code:
But as the file transfers will be frequent, I don't want the files to be inaccessible until chown is run.
So, what I really want to know is - how can I change things on the 'webmin' server so that files with ownership owner:nobody will run?
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Apr 29, 2010
According to the man page, rsync should copy "special" and "device" files if the corresponding options are set. Also the man page says that the -a option (--archive) includes the -D option, which is "same as --devices and --specials". BUT We use the -a option, and still get the following in our report:
skipping non-regular file "pristine/dev/full"
skipping non-regular file "pristine/dev/null"
skipping non-regular file "pristine/dev/ptmx"
[code]....
Is this the expected behavior? (BTW this is copying a non-running linux-vserver called 'pristine')
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Apr 2, 2009
I setup an rsync in cron to sync a master server with a backup server. however not everything gets copied over or removed. I believe this to be a permissions issue on the backup server. I am using a user we created specifically for this, and the rsync is setup to preserve permissions and delete files that have been deleted on the master..
Here is the rsync command:
59 11,23 * * * rsync -avP --delete -e "ssh -pPort" /media/_Files user@ip address:/media >> /home/user/sync.log
Of course the ip address, user and port number is something else then above.. Is there a way to make the user that is initiating the sync into a superuser like root? That way everything on the backup server can be updated as necessary? I don't want to use root, Id like it to be a name I can keep relatively confidential.
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Jun 21, 2011
iam trying to sync file server data into backup server machine by command- rsync -avu path/of/data ipaddress-of-backup-server:/path/where/to/save after running it ask for root password and manually it is successful.but i want to make it automatic.for that i also tried cronjob and also generated authentication key but iam not successful in login automatically..anybody know how to authenticate root to login for storing data in backup server.
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Mar 30, 2011
I am running a headless Ubuntu server accessed through Webmin. The server is running 10.4.2 64 bit version. I have a number of cron jobs including a simple back-up job which is:
Code:
rsync -av /media/server/ /media/backup/backup/
All of the other jobs run fine but for some reason this job which is scheduled to run each day at midnight does not run. If I SSH into the server and run the job manually it works fine.
The output of 'crontab -l' is:
@daily rsync -av /media/server/ /media/backup/backup/
11 3 * * * /etc/webmin/package-updates/update.pl
@daily tar czf /media/backup/serversystem.bz2 --exclude=/proc --exclude=/lost+found --exclude=/backup.tar.bz2 --exclude=/mnt --exclude=/media --exclude=/sys /
@reboot inadyn --username ********** --password ********** --update_period_sec 600 --alias **********
@daily /etc/webmin/backup-config/backup.pl 12978522112842
The output of 'crontab -e' is:
Error opening terminal: unknown.
crontab: "/usr/bin/sensible-editor" exited with status 1
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Sep 13, 2010
We are looking to centralize some code in a scalable environment. So some servers may do other jobs, etc. doing other things, but the key element is when the server is booted, I want it to rsync some config files, scripts, etc. local to the box and I am having an issue as things are a bit different from an RHE server.
I have a test entry in the rc.local a simple touch testfile, then after that a restore.sh file. I reboot the box, wait a minute then login. I see hte testfile timestamp updated yet the rsync doesn't fire. I can then manually run it and it works fine, but I need to have this go on boot.
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Sep 15, 2010
I have a Linux host acting as an ISCSI server for a Windows box. I want to keep an off site backup, so I figure rsync will keep the ISCSI server synced with an offsite Linux host. I understand that Rsync does block level incremental transfer to conserve bandwidth ok, awesome.The trick is, that I also want an archival copy kept. Say I want to go back to a revision of a file from 10 days ago, I need to be able to do that.
I was planning on using Backup Exec, since we currently have a licensed copy. Throw the archives from Backup Exec onto the ISCSI server as well, and have it keep a rotating 30 day backup, or something like that. The issue I see here is that this will be creating a deleting files as it does its daily backup rotation. I'm guessing RSYNC will see these as new files, and likely retransmit everything on a daily basis. The question then becomes, is this assumption correct, or will it still know to do a block level incremental transfer even when file names and such are changing?
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Feb 4, 2011
I support a small business which has an Ubuntu server running as a file server. The server is running Ubuntu 10.4. There is one hard drive which is mounted as /media/hdd. Each night this is backed up to an external USB hard drive mounted as /media/backup. The backup is carried out using the command:
Code:
rsync -av /media/hdd/ /media/backup/
Is there a way to encrypt this back-up so that if the USB hard drive is plugged into another machine it cannot be read?
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Sep 9, 2011
My Source folder contains 424.8 GB in 502,474 files. My Destination folder was created fresh, and after the copy contains 394.0 GB in 486.514 files. I am running it as grsync with root authority. The only options are to preserve time, permissions, owner and group., and to produce a verose output and transfer progress. There are no exceptions specified to skip any files.
The rsync command is this:
rsync -r -t -p -o -g -v --progress -c -l -H -D -s /mnt/Backups/monthly.3/ /mnt/EX-Fantom/monthly.3/
I have run it again to give it a chance to get it right. Same result. The source is in an rsnapshot folder, but this is the first backup, the original, containing only whole files, not links.
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Mar 2, 2010
I'm trying to using rsync to backup some files, about half a TB. It's now it a state where it keeps sending the same files everytime it runs. for example:
rsync -av /data/source/* user@host:/data/dest
sending incremental file list
source/file1.txt
source/file2.txt
I then verify those files are copied over. then the next time it runs it does the same thing
rsync -av /data/source/* user@host:/data/dest
sending incremental file list
source/file1.txt
source/file2.txt
any idea why it's getting stuck on these files? I've tried to wipe the whole dest directory out and start over but no luck.
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Jul 27, 2011
I have two directories, dirA whicht contains N gb of data and dirB which is supposed to contain only the newest M gb of data from dirA. When files are added to dirA, they sould also be added to dirB, while the oldest files in dirB should be deleted.Is that possible with rsync? or any other software?
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Mar 15, 2010
So I just used rsync to backup about 400gb of data to my NAS. Look just over a day to complete, which is what I figured. I decided I should run rsync again to see how its going to handle comparing and only adding new files to the remote location. So I added a few new files and then ran the backup again. Well rsync is trying to do a complete copy of all of my original data, even though they have not changed.
Is there a way that I can tell rsync to compare the two directories and only add the new files and delete the ones that are no longer in the original location?
Here is command that I am running:
Code:
sudo rsync -azvv --progress --stats /media/sda1/multimedia/movies /home/codeblue/NAS_Share_Point
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Jun 9, 2011
I am running Ubuntu 10.04. I am transferring roughly 62 GB of data libraries to my 84 GB /home partition. I'm using rsync because scp kept stalling, and I had to restart it over and over. Things were going great until recently when it began to show an error: "failed: No space left on device (28)" These are the things I've done so far: Used the GUI to find out how much I have copied so far: 5,149,552 which take up 30.2 GB. df -h, it tells me that my /home partition is 56% used, and that I have 33 GB available. (42 GB used out of 78 GB with 33 GB available) Also, none of my other partitions are anywhere near 100%. the /home partition is the most-used and it's only a little over half-full. du -s in the directory where I'm copying all of this: it also returned 42206500. Additionally, when I try to save screen captures, it sometimes fails with a "device full" error. What's going on? Am I really out of space? Why doesn't it show me that I'm out of space?
Is there a hidden temp file that rsync uses that just got too full? I did a little research on wikipedia and it said that ext4 has a 64,000 directory limit. Could it be that I somehow broke that limit with all of these files? Solution: not enough inodes for the vast amount of subdirectories on hard drive. This wasn't an RSYNC problem, rather, a partition configuration issue. To check inode usage: df -i If you want to add any inodes, you will need to backup your partition and format it using mke2fs (man mke2fs). Be sure to change the respective inode setting.
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Jul 12, 2011
rsync -r -v -e ssh root@nn.nn.nn.nn:/usr/local/websites/* /usr/local/websites and each time I run it it copies everything - all files. I thought rsync was only supposed to copy files that had been added or modified.
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Oct 23, 2010
I maintain some packages my synchronized with my remote server but I have a problem ... is very hard to understand, time it works, time not works. When not working the following happens:
Code:
[root@xxxx repository]# rsync -avzP --delete-after --partial-dir=.partial-dir rsync://xxxx@xxx.xx.xxx.xxx/repositorio 13.1
[code]...
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Aug 12, 2010
I have a server with RedHat distro which stores and updates someg files and second computer with Windows 7 on it. I must configure both machines so one can get those files from server to Win7 machine using ssh. But I have no idea how to do it.
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Dec 19, 2010
I'm looking for ideas on how to transfer a group of xml files from one server to another server, either in a regular interval or ?I have a listing program, it creates a directory or classified ad type listing. When one of these is created, or an existing one is edited an XML file is created. I need to take these files and get them to another server. I've read about SOAP, FOPEN and of course FTP.
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