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Author Topic: ssh To Multipal Machines for Remote Backup's ?.  (Read 3480 times)

Offline pclinmike

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ssh To Multipal Machines for Remote Backup's ?.
« on: December 04, 2011, 06:27:06 PM »
By using  @menotu  LuckyBackup Tutorial link
http://www.pclinuxos.com/forum/index.php/topic,78100.0.html

I have got one test machine to be a 'backup host' to get the backup's from another remote machine over my home Lan, I followed the tutorial ok and got it to work with two machines using passwordless SSH connection.

I followed 17 & 18 on 
http://www.linuxuser.co.uk/tutorials/backup-your-linux-machine-the-smart-way/4/
I set up the 'ssh key' and then sent it to the remote machine ok and as I said above it worked ok and did a backup.

My problem is that I have tried to add another remote machine to back that up and I keep getting error messages saying it does not recognise it.
I did use the same ssh key as the first remote machine. :-\

Do I need a separate ssh key setting up for each machine I add on.?.
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Michael.
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Offline ghostbunny

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #1 on: December 05, 2011, 08:43:48 AM »
Hi pclinmike,

you have to generate a new key for every new maschine. the key is the unique id of each maschine.

Greets
ghostbunny
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AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #2 on: December 05, 2011, 01:09:08 PM »
« Last Edit: March 28, 2013, 03:49:59 PM by AndrzejL »
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Offline Texstar

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #3 on: December 05, 2011, 01:11:25 PM »
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AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #4 on: December 05, 2011, 01:29:46 PM »
« Last Edit: March 28, 2013, 03:50:33 PM by AndrzejL »
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Offline pclinmike

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #5 on: December 05, 2011, 01:35:47 PM »
Quote from: AndrzejL on December 05, 2011, 01:09:08 PM
http://andrzejl.no-ip.org:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

How about this?

Andy

Unable to connect, Firefox can't establish a connection to the server at andrzejl.no-ip.org:10101.

Quote from: ghostbunny on December 05, 2011, 08:43:48 AM
Hi pclinmike,

you have to generate a new key for every new maschine. the key is the unique id of each maschine.

Greets
ghostbunny

         
Thanks for advice.
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Michael.
From South-Derbyshire, England.U.K.Earth.

I Normally Do A Search Before I Post A New Question !.

Thanks to all who replied to my posts.

AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #6 on: December 05, 2011, 01:51:14 PM »
Quote from: pclinmike on December 05, 2011, 01:35:47 PM
Unable to connect, Firefox can't establish a connection to the server at andrzejl.no-ip.org:10101.


It's working fine here... Sometimes You need to refresh it once or twice.

I just checked from my mobile phone. Site was accessed no problem.


http://s6.postimage.org/5tf7esbdb/Snapshot000094.png

Sometimes DNS might not resolve it... but the site is there :).

Andy
« Last Edit: December 05, 2011, 01:56:41 PM by AndrzejL »
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Offline rubentje1991

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #7 on: December 05, 2011, 01:54:35 PM »
yep, working here too....

Maybe using direct IP-address (don't know how long that works...)
http://92.251.246.54:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/
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AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #8 on: December 05, 2011, 02:00:22 PM »
Quote from: rubentje1991 on December 05, 2011, 01:54:35 PM
yep, working here too....

Maybe using direct IP-address (don't know how long that works...)

http://92.251.246.54:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

Indeed - this addy works too rubentje :). This will work till I will be forced to reboot the machine ;).

Andy
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Offline rubentje1991

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #9 on: December 05, 2011, 02:06:28 PM »
Yep.... just to exclude a DNS error  :)
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Offline pclinmike

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #10 on: December 05, 2011, 02:45:28 PM »
None of these links work  ! Tried other browsers as well.

Anyone else in the uk try them please.
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Michael.
From South-Derbyshire, England.U.K.Earth.

I Normally Do A Search Before I Post A New Question !.

Thanks to all who replied to my posts.

AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #11 on: December 05, 2011, 03:18:23 PM »
Quote from: pclinmike on December 05, 2011, 02:45:28 PM
None of these links work  ! Tried other browsers as well.

Anyone else in the uk try them please.

Extremely weird... but OK I have rebooted the server try again:

http://sparewotw.wordpress.com/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

http://92.251.151.105:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

Both are working. I am sure about it.

Andy
« Last Edit: March 28, 2013, 03:52:59 PM by AndrzejL »
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Offline pclinmike

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #12 on: December 05, 2011, 04:06:21 PM »
Quote from: AndrzejL on December 05, 2011, 03:18:23 PM
Quote from: pclinmike on December 05, 2011, 02:45:28 PM
None of these links work  ! Tried other browsers as well.

Anyone else in the uk try them please.

Extremely weird... but OK I have rebooted the server try again:

http://andrzejl.no-ip.org:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

http://92.251.151.105:10101/wordpress/2011/06/26/synchronizing-files-between-the-machines-via-ssh-using-rsync/

Both are working. I am sure about it.

Andy


Not working for me, In fact I have never had any of your links working from your past post I have looked at.
Also the link from your 'Avatar' does not work.
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Michael.
From South-Derbyshire, England.U.K.Earth.

I Normally Do A Search Before I Post A New Question !.

Thanks to all who replied to my posts.

AndrzejL

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #13 on: December 05, 2011, 04:15:28 PM »
Hmmmm :| really weird...

Care to try something?

Code: [Select]
su -c "echo nameserver 208.67.222.222 > /etc/resolv.conf"
followed by root password and try accessing my site then. If You won't be able - just reboot and the changes will go away as /etc/resolv.conf is being overwritten during each reboot. If You don't want to reboot then just run:

Code: [Select]
su -c "service network restart"
followed by root's password of course this will overwrite it as well.

Regards.

Andy
« Last Edit: December 05, 2011, 04:55:59 PM by AndrzejL »
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Offline pclinmike

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Re: ssh To Multipal Machines for Remote Backup's ?.
« Reply #14 on: December 05, 2011, 04:29:55 PM »
Quote from: AndrzejL on December 05, 2011, 04:15:28 PM
Hmmmm :| really weird...

Care to try something?

Code: [Select]
su -c "echo "nameserver 208.67.222.222" > /etc/resolv.conf"
followed by root password and try accessing my site then. If You won't be able - just reboot and the changes will go away as /etc/resolv.conf is being overwritten during each reboot. If You don't want to reboot then just run:

Code: [Select]
su -c "service network restart"


followed by root's password of course this will overwrite it as well.

Regards.

Andy

[root@localhost ~]# su -c "echo "nameserver 208.67.222.222" > /etc/resolv.conf"
su: user 208.67.222.222 > /etc/resolv.conf does not exist
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Michael.
From South-Derbyshire, England.U.K.Earth.

I Normally Do A Search Before I Post A New Question !.

Thanks to all who replied to my posts.
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