Ubuntu Networking :: Combine Rsync And SSH Pass - Backup File From Each Host With General Password In Local Network??
May 13, 2011
I made a script to backup file from each host with general password in local network. This script using SSH Pass and Rsync with this
syntax:
rsync --rsh="sshpass -p password ssh -l root" hostath destinationpath
Everything is okay under 9.10 version until I migrate to Ubuntu 11.04, there is always give an error:
rsync error: received SIGINT, SIGTERM, or SIGHUP (code 20) at rsync.c(541) [Receiver=3.0.7]
I am using bash version: GNU bash, version 4.2.8(1)-release (i686-pc-linux-gnu) and 2.6.38-8-generic kernel
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May 24, 2011
I need to be able to use an rsync command in script that will be run by cron. And it needs to be able to pass a password to rsync so that the remote server it's connecting to will authenticate.
I cannot set up ssh keys between the two servers, it's not an option. I cannot use any other language other than bash, it's my only option. I know this is highly insecure, I have no other option.
So far I have this:
rsync --rsh="/usr/bin/ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o PreferredAuthentications=password" -raxv /source/dir/* user@remotehost:/target/directory/.
This allows the script to ignore host verification and goes directly to the password prompt. I need the script to fill in this password prompt with the password that is stored in a variable.
I tried using expect, but I honestly don't know the syntax, it just keeps failing. A lot of the examples I'm finding online for expect starts off with a "spawn", which i don't have installed, and not sure if I have the ability to install it yet.
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May 24, 2010
I'm trying to setup rsync to backup a remote directory to my local drive.
I cd to the directory that I want to pull the files to, then I enter:
rsync -vrtW account@remote.com:~/public_html
I enter the password then it starts running. I get all the files listed, but none of them actually transfer. What am I missing?
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Oct 14, 2010
I went ahead and created this directory
mkdir /tmp/rsync-backup
and, ran this
rsync av /home /tmp/rsync-backup
this is the result
rsync: link_stat "/av" failed: No such file or directory (2)
skipping directory home
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1060) [sender=3.0.7]
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Mar 23, 2011
I'm going to be using this command to back up my files:
Should I change anything or is it ok?
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Jan 11, 2011
I am trying to host a local website(an wiki application) within a network. Is it necessary that all the files I need to upload should be in the var/www?
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May 23, 2011
I made a shell backup script that uses Rsync and I am trying to get rid of the password prompt because it will use a CRON to run. I have set my variable in my shell script at:
PASSWORD_FILE=rsync_password
And the password in that file only takes up 1 line.
However when I run (ignore $DESTINATION)
rsync -aRvz tmp $DESTINATION --password-file=$PASSWORD_FILE
It still gives me the prompt. How can I accomplish this? I cannot allow a prompt and I do not want to have to use keys.
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Apr 13, 2011
I'm trying to pass multiple dpmains thru one ubuntu server to various hosts on my local network.
[url] should be sent to the /var/www folder on the local host.
[url] should be forwarded to an IIS box on my local network (owa.nunya.local)
[url] should be sent to another ubunto box on my local network (smtp.biznet.net)
I have tried placing VirtualHost entries in /etc/apache2/sites-available/default and [url]and [url] both work but [url] gets forwarded to the c:inetpub folder on the IIS box.
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Mar 9, 2010
I have a mac and an openSUSE box connected wirelessly to a router. From my mac, if I ping the Linux machine by both ip address and hostname "elmo.local", I get a response. If I ping my mac from the Linux machine using its ip address, I get a response. However, if I ping the mac from the Linux box using its name "kermit.local" - nothing!
This means in order to share files between them via the network, I have to use the ip address rather than name, but I'd rather not. When I had Ubuntu installed instead of openSUSE this all worked fine out of the box, so I'm assuming it's a problem with the setup of openSUSE rather than the router or the mac.
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Jul 2, 2011
I have setup a nis server and client. At first I didn't have a local user defined on the client. The client then used the user and passwords from NIS, so that was ok.
The problem then is, that when the server is down, I couldn't login to my client anymore. So I created a local user with the same name on the client but with a different password (after I shut the nis server down, if nis server was on, I couldn't create a local user with the same name). I then edited etc/nssswitch.conf as follows:
Code:
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
# compat Use compatibility setup
[Code].....
If NIS server is on: client has to login with the nis password If NIS server is down: client has to login with the local password (as fallback)
However the actual behaviour is that I can only login with the local password now. The NIS pasword doesn't seem to be used anymore.
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Oct 6, 2010
when i use rsync command to backup my image file , it shows the following error message.
bash: line 1: /usr/bin/rsync: Argument list too long
rsync: connection unexpectedly closed (0 bytes received so far) [receiver]
rsync error: remote command could not be run (code 126) at io.c(463) [receiver=2.6.8]
The command which i used is rsync -avrl -e ssh cms@server:/data/cms/data/images/* /mnt/Backup/Intranet_cms_backup/images
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Sep 21, 2009
I have two machines on my local netowrk, one running Fedora 9 and the other Fedora 11,(64 bit version).I made one, machine A, into an NSF server and arranged to export a directory to the other machine B.I made sure the firewalls were allowing nsf traffic, and I restarted all the relevant daemons.But the mounting still doesn't work.I looked at the setup on my Linksys router, but I don't see anything obvious there that might be getting in the way.ping and ssh recognize my names for the two machines and work properly, bu t I've also tried using the numeric local ip addresses.I tried with the program showmount on B to see if there was any connectivity and I getB% showmount -e Aand I get the responseclint_create:RPC: Port mapper failure - RPC: unable to receive.I used to manage a departmental network and set up nfs mounts all the time, but things were simpler then. I am at a lost what to look at next
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Jul 1, 2011
I want to backup windows PC's in my network to my ubuntu 11.04 pc, using rsync. Rsync is working, but I have to mount the pc's. A few details.
My server is named: server
The windows pc is named: \PC_OF_MARTIJN
The folder where the mount is coming is: /home/bastiaan/backup/mounts
Credentials are in /home/bastiaan/backup/credentials and they're called: martijn
So what I'm going to add to /etc/fstab is this:
Code:
//server \PC_OF_USER /home/bastiaan/backup/mounts/user cifs credentials=/home/bastiaan/credentials/user,iocharset=utf8,file_mode=0777,dir_mode=0777 0 0
Will this work?
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Feb 22, 2011
I am having problems gaining access to the BackupPC admin web page. The error:
Quote:
[Tue Feb 22 16:43:59 2011] [error] [client 192.168.0.2] (13)Permission denied: Could not open password file: /etc/BackupPC/htpasswd [Tue Feb 22 16:43:59 2011] [error] [client 82.30.227.113] access to /backuppc failed, reason: verification of user id 'myhtaccessuser' not configured
Why is this occuring, is there anyway of getting around this? I just cant remember originally on my old system how I set this up.
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Apr 14, 2011
I have two sources of internet which I want to share and balance the load on. With one source it's easy: plug it into the wireless router and Bob's your uncle. But how would you handle two sources and get load balancing? A switch? Would that really share the load?
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Mar 5, 2011
Apart from the fact firef*x gets confused when my laptop is not connected to the internet... (Please click here grrr)Have you figured out a way to load a separate hosts file when booting in standalone? Presently I swap one host file for the other, usually after boot. Restart apache. Running LAMP on laptop now. It practically grinds to a halt when it isn't connected to my server
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Mar 10, 2010
i am trying to transfer a file from my live linux machine to remote linux machine it is a mail server and single .tar.gz file include all data. but during transfer it stop working. how can i work and trouble shooot the matter. is there any better way then this to transfer huge 14 gb file over network,vpn,wan transfer. the speed is 1mbps,rest of the file it copy it.
rsync -avz --stats bkup_1.tar.gz root@10.1.1.22:/var/opt/bkup
[root@sa1 logs_os_backup]# less remote.log
Wed Mar 10 09:12:01 AST 2010
building file list ... done
bkup_1.tar.gz
deflate on token returned 0 (87164 bytes left)
rsync error: error in rsync protocol data stream (code 12) at token.c(274)
building file list ... done
code....
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Feb 27, 2011
I want to save a backup of my data on a remote server, but never want the backup server to see the data unencrypted. Editing a single file and backing up should not result in everything being encrypted and sent again. The remote server should preferably not even know the directory structure (and especially not the directory names).
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Jul 13, 2010
I've been trying to make a three stage backup with stage 0 being a full monthly back up, stage 1 being a weekly backup, and stage 2 being a daily backup. I've been trying very hard to use rsync for this but sorting files by date is proving to be problematic. Sometimes it seems to work from the command line directly, but the same command causes errors and warnings from a script while entirely failing to sort the correct files.
The common example I see for this involves commands like this:
Code:
rsync -Rav `find /home/ -ctime -7 -print` /path/to/home_backup The problem seems to be that since the user directories in /home contain files that have been altered within the time frame specified the whole directory is matched first which means that the whole directory is recursively archived as opposed to just the changed files.
I've also seen examples using the --files-from tag using the same find parameters and this one seems to ALMOST work but gives me strange warnings and fails to run at all when launched from a script.
Many of the things I've googled about using rsync to backup stuff by the date modified involves a rather snarky "You're missing the point of rsync!" to which I respond by yelling at my computer monitor followed by "JUST TELL ME WHAT I NEED TO KNOW!" I understand that rsync is meant to take care of incremental backups on it's own, that's why I want to use it specifically for a traditional 3 stage backup scheme.
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May 16, 2010
I'd like a way to see all of the devices on my local network and what their local IP address is. I recall that I used wireshark to troubleshoot a similar problem a while back, but it doesn't seem to have a way to see all of the devices- only the traffic. (I'd like to do this without having to physically interface with my router if possible, and I am in an encrypted network if that matters)
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Jun 28, 2011
I have installed a web server on my local network. Everything is well configured and web pages are shown correctly from Internet (outside the local network) using the domain or the public IP.The issue is if I try to see that web pages (using the domain or the public IP) from inside the local network. In that case the router config page (192.168.1.1) is shown instead of the web pages.From inside the local network I'm only able to see the web pages using the internal IP address (192.168.1.XX).
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Dec 31, 2009
I am writing my own anacron script that backs up my most important files from my laptop to my office pc regularly using rsync. However, sometimes my laptop is on when anacron starts the back-up job but my laptop is offline, so that it cannot rsync with my desktop. Is it possible to tell anacron to re-schedule the task to either the next time I'm online again or to some later date (preferably not the next scheduled time, but some time before)?
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Jul 14, 2010
I have two linux box that i would like to keep in sync. I see option -avz syncs the remote with local but new local files are not pushed.
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Jan 27, 2009
The internal network is behind nat done by the PC Router.The TP Link is recieving wireless signal from outdoors and it has switching and basic routing capabilities. I'm using the PC router for better routing options.PC Router (or R for short) is a triple-booting machine - Linux, FreeBSD and Windows. It has two lan cards - external (ext_if) - 100Mbps Realtek 8139 and internal (int_if) - 1Gbps integrated Realtek 8169.The problem is that all traffic from R to the network is slow - about 5-20K, while the traffic in the oppoiste direction is all right - about 10MB that is fine for 100Mbps cables, NICs and switches. The problem persist no matter the OS the pc R is running.I've tried some debugging on the situation as follows:
- put another PC at the place of R - everything is fine. That exclude the possibility of damaged cables, RJ-45s, switches and etc.
- connected both of the NICs to the Internet while the internal network is being disconnected and they both work fine (no delays)
- traffic shaping is not running
- there is nothing in firewalls except NATing the internal network (and it is working fine). Actually these firewall rules have been operational for more than months and everything was fine untill a week or two ago.
- changed the internal NIC with another
- connected the internal network directly to the TP and all of the PCs are getting good network performance. Then connected the R machine to the TP as well and there was good performance between the internal network PCs and R.
- R has good performance to the TP. In fact everything has good performance directly to the TP (when not connecting trough R).
- the problem persist only between R and machines from the internal network.
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Sep 15, 2010
I have cronjob that uses rsync to back up to a remote directory every hour. how do I set this rsync up so that if initial process is running already, it prevents running same rsync command and checks again in next hour until the process is finished/terminated?
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Dec 11, 2010
I want to install Globus tool kit it says host name is not FQDN(fully qualified domain name) I tried by installing DNS but it doesnt works
I got the configuration. I have posted in following link. I am not able to reply your post i dont know why. [URL]
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Jan 17, 2011
I have a big iso image which is currently being downloaded by a torrent client with space-reservation turned on: that means, file size is not changing while some chunks in in (4 Mib) are constantly changing because of a download.
At 90% download I do the initial rsync to save time later:
$ rsync -Ph DVD.iso /media/another-hdd/
sending incremental file list
DVD.iso
[Code]....
Then, when the file's fully downloaded, I rsync again:
total size is 2.60G speedup is 1.00
Speedup=1 says delta-transfer was not used, although 90% of the file has not changed, target dir is on another FS and copying takes several minutes. Why doen't it try to speedup the transfer?! How can I force rsync to use delta-transfer?
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May 25, 2010
I've got an Ubuntu server hosting our websites and other various things here in our own home. We recently switched to a router that doesn't support loopback (abomination), so I've set up hosts files on our computers so we can access our own sites when on our home LAN.
However, we often take our laptops as we travel about, and I'm guessing due to the hosts files when we try to access our sites, it'll look on whatever local network we're connected to for our server, which won't work, obviously.
Is there a way to set up something like a hosts file that'll only try to look up the local IP of the server when we're on a specific network (our home one), or have one that tries to look for the local IP first, then proceeds to try and resolve the domain name and use the external IP if the local IP doesn't work?
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Jan 12, 2010
I can telnet (while on the actual machine) using
Quote:
telnet localhost 25
When I try and use the local machine's ip
Quote:
telnet 192.168.100.9 25
I get
Quote:
Trying 192.168.100.9...
telnet: Unable to connect to remote host: Connection refused
[Code].....
This last one is strange as I the IP looks odd.
What I am doing wrong, and how do I fix it. After much surfing many mosts say that telnet is not used anymore but I want to use it to test my smtp server.
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May 10, 2009
I want to use single label host names on my local LAN, without using any domain (at least no registered one). My machines should be named in a fashion similar to 'myserver', 'mydesktop' etc. so that i from a browser on any LAN machine may write 'http://myserver', and get the webserver on 'myserver' (so NO domain part, e.g. myserver.domain).
Do i need to create a DNS zone for each host or is there a way to put all host in a single zone, if so; which? Would such a name be considered a root domain?
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