0
votes
1answer
52 views

Sync multiple server configs

I have a pool of servers and keeping them the same has been a challenge. I'm running the latest CentOS 6 and I'd like them to all have the same server configurations (updates and installed modules). I ...
-1
votes
2answers
412 views

Correcting CentOS System Clock

Using the time C function (number of seconds since the Epoch) shows that the time on my current CentOS 6 server is about 7 hours behind compared to another server with the correct time. How can I ...
1
vote
1answer
165 views

Can't sync filesystem without reboot

I'm having an issue with a linux server. Once a week the running mysql instance hangs and there is no way to fully stop it. If I kill it, it remains in zombie status and init does not reap its pid. ...
3
votes
1answer
209 views

Linux bidirectional file sync over a WAN with immediate/incremental syncing

Does anyone know of a solution that lets you sync files bidirectionally over a WAN, but also syncs immediately/incrementally? Basically Unison is perfect for the file syncing, but it doesn't sync ...
0
votes
0answers
57 views

List unsynced blocks/files?

Is it possible to somehow list changed blocks or file system buffers that have not been written to the disk yet? How?
1
vote
0answers
37 views

Synchronising local XML files with Remote FTP and Vice Versa

I have developed a website in php/codeigniter that takes data from sage xml files. I have SAGE xml files on my remote sever that I am using on my website for data extraction.I am reading and writing ...
4
votes
2answers
501 views

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 ...
1
vote
2answers
2k views

TCP connection stuck in SYN_RECV state despite ACK received, Linux 2.6.18, embedded, ARM

My client cannot connect to my protocol port (TCP) after some network glitches, even though all other protocols (telnet/HTTP/FTP) work fine. netstat shows that my server is listening and tcpdump on ...
3
votes
2answers
868 views

csync2 ERROR: Connection to remote host failed

I was unable to find any articles to answer this question, so my best bet was to post this here: Scenario We have 2x application servers in production hosting a PHP website and I would like some ...
0
votes
2answers
265 views

Setting up rsync over the internet. How should I define it?

I need to sync two Linux servers in remote locations. To do so, I've decided to use rsync. I've set the rsync to run on the target as a daemon, and the actual syncing command is ran from the source. ...
2
votes
1answer
267 views

NTP: ntpdate to sync time between the cp's on private network

I have two systems One acts as Primary/Active and has Internet connection and gets time from NTP server. The second system is Secondary/Passive and has no connection to the external world. Primary ...
0
votes
4answers
839 views

Keep Uploaded Files in Sync Across Multiple Servers - LAMP

I have a website right now that is currently utilizing 2 servers, a application server and a database server, however the load on the application server is increasing so we are going to add a second ...
0
votes
4answers
691 views

How to sync 2 linux servers

I've got the problem that I don't know a lot about server administration and right now we've got 2 Servers behind a load balancer and I need to sync the htdocs folders from apache. I think the ...
0
votes
2answers
844 views

Easiest way to sync two folders

What's the easiest way to sync the contents of a folder on a Mac OSX machine with another folder on a Linux server? You can use scp: scp -r /path/to/folder/ username@IP_ADDRESS:/path/to/sync/with ...
17
votes
6answers
4k views

Bidirectional real-time sync of large file tree between two distant linux servers

By large file tree I mean about 200k files, and growing all the time. A relatively small number of files are being changed in any given hour though. By bidirectional I mean that changes may occur on ...
0
votes
2answers
993 views

Why are CentOS RAID-1/mirror partitions syncing multiple times?

I'm setting up a CentOS 5.6 server, using Kickstart. I have four disk drives, sda-sdd. These are the relevant Kickstart lines: clearpart --linux --drives=sda,sdb,sdc,sdd --initlabel part raid.11 ...
2
votes
2answers
326 views

Compare & Copy missing files from identical directory on Remote Server

I have a development server on which I want to keep certain data directories in sync with the live server. Any files in these directories which exist on the live server, but not on the dev server, I ...
1
vote
3answers
574 views

sync local OSX with remote linux server using ftp via shell script

I would like to sync a local folder on my Mac to a remote ftp server. I only want to upload files changed since last sync. I would also like to download new and modified files from the server. Is ...
1
vote
1answer
861 views

Is it really necessary to call /bin/sync twice before an unmanaged power-off?

My company sells an "embedded device" which is implemented as a headless Linux box with ext4 on an internal SSD. Some of our users have a habit of doing a "save current settings" on this box, and ...
0
votes
4answers
329 views

Keeping folder of files in sync over 3 machines

Morning, Got 3 machines that have user content on them, which I need to keep in sync. This is a 3 way sync. Currently I run rsync but we just don't handle deletes. Have looked at something like ...
0
votes
4answers
548 views

is there some sort of catchable trigger when one writes/deletes a new file in linux?

I would like a simple tool for syncing two folders on remote servers... Utopically, I only need an OS catchable trigger (or something like that) that could be used to fire rsync automatically ? Is ...
1
vote
2answers
902 views

Synchronizing files between Linux servers, through FTP

I have the following configuration of servers: 1 central linux server, a VPS 8 satellite linux servers, "crappy shared hostings" I have a bunch of files that I need to have in all servers. ...
0
votes
2answers
796 views

Sync a FTP folder locally

I have several images uploaded worth 1GB on the remote server that I want to download locally, but not continuously. I tried using rsync reading its (excellent) man page but found repeated protocol ...