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Questions tagged [synchronization]

489 questions
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Simple one-way synchronisation of user password list between servers

Using a RedHat-derivative distro (CentOS), I'd like to keep the list of regular users (UID over 500), and group (and shadow files) pushed to a backup server. The sync is only one-way, from the main server to the backup server. I don't really want to…
Renaud Bompuis
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Suggestions for using Active Directory credentials (user name/password) with Google Apps?

I run a small college network with approximately 150 user accounts both in my Active Directory and in Google Apps. I'm looking to link AD with G-Apps. Currently my users are required to maintain separate passwords for each. Obviously this is not…
Corey
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Do you know of an online back up & sync solution for Windows that actually works?

I've been looking for some time for a program that backups your data to the cloud and is also able to sync 2 or more computers. By syncing I mean, if I change something on one computer that it should also apply the same change on another computer.…
user21316
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4 answers

Sync Servers with DRBD

assume if I synchronized two servers and I used DRBD, and after I synced them I installed application on both, if I wanted to add a third server. is that possible? since I think I should create block device and use it in the installation and that is…
ibr
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Is it possible to mirror a MediaWiki article from another wiki?

I have two MediaWiki installations on two different domains, both on the same server but with different databases. Is there a feature or extension that will allow me to automatically mirror the contents of one wiki to the other, and have the…
William
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Sync files from local filesystem with S3 - one way

I have a process that generates log files to the local filesystem, and files that are more than 2 weeks old are automatically purged. I want to use the aws command line tools to sync my folder with S3, with the following behavior: No sync of files…
Scott Switzer
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Time synchronization and scheduled tasks

If NTP runs at 10:59:55, and fixes the time to 11:00:13, does chron run the 11:00:00, and *:00:00 tasks, or are they skipped? Alternately, if NTP runs at 11:00:00 and fixes the time to 10:59:48, do these tasks run twice? If they are skipped, what…
Adam Davis
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How to sync two CalDAV servers

My work calendar is stored on my employer's Horde server. I also have my own owncloud instance running. What I would like to do is store also my work calendar on my owncloud instance, and have a script which mirrors this calendar to my Horde…
andreas-h
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Hot/Lukewarm mail server setup

We have two mailservers ("dubone" and "dubdeuce"), one does all the work while the other sits idle. We want to have a setup where if dubone is busy or down, dubdeuce can accept/reject/filter emails just as dubone would. Then, once dubone is…
Zimmy-DUB-Zongy-Zong-DUBBY
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What is the most efficient way to keep data synchronized between two locations?

For example, I would like to keep a lot of music files synchronized on two different hard drives. What is the most efficient way to do this? The more automated the method, the better!
Bryan Denny
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rsync copying entire files instead of difference

I have 2 remote folder containing few files. I am using rsync to sync the 2. The thing is that on the first server files are strictly just APPENDED with new data every day. When I call rsync it seems to me that it copies the entire file again. Is my…
Abruzzo Forte e Gentile
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Open LDAP and ActiveDirectory synchronization

I have been searching on google for a while to find out the best way to synchronize the user database between OpenLDAP and an ActiveDirectory, but with not a clear results ! What i want to achieve is, have user database in OpenLDAP and then populate…
Bouanani Meher
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File Replication to Branch Offices

We're currently using DFSR in Server 2008 to replicate from our head office to 3 branch offices across VPN links. This way we have a local copy of all the companies files in each site, for quick access and fault tolerance. We decided against WAN…
Jeff Miles
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rsync copies unmodified files between different file systems

I try to synchronize files between two machines using rsync, but it seems to copy all the files regardless file modification time. Two consecutive call of the command produces the same results, so it is clearly broken. The command in question…
Joó Ádám
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syncing local folders

What is a best way to keep in sync two local folders ? I know I can use rsync -Ra but I need to keep in sync all the time. Is it possible to make rsync sit in background and constantly sync local folders.
Tom
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