Re: [PLUG] Clone a Remote Server to Another Remote Server

["Keith C. Perry via plug" <plug@lists.phillylinux.org>]

To me, the most important step in this is doing the upgrade in virtualization.  The TL;DR for my process is to use the dump program (dd is usually not the best thing to use on a live system and tar I'm can be hit or miss) to push that data to me over ssh to one of my local servers.  Rebuild the system in virtualization and then upgrade it.  Once that looks good, I can burn in that system to new hardware, push it somewhere else or do an upgrade in place knowing where all the bodies are buried.

The biggest issue in this possess for you is that you would need a live CD.  I don't know how you rebuild or ingest systems with hosters now but if you can, I find this methodology to be the safest way to proceed if you don't have physical access.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 
Keith C. Perry, MS E.E. 
Managing Member, DAO Technologies LLC 
(O) +1.215.525.4165 x2033 
(M) +1.215.432.5167 
[ http://www.daotechnologies.com/ | www.daotechnologies.com ]

----- Original Message -----
From: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
To: "Philadelphia Linux User's Group Discussion List" <PLUG@Lists.PhillyLinux.org>
Sent: Wednesday, August 28, 2024 10:36:19 AM
Subject: [PLUG] Clone a Remote Server to Another Remote Server

I've been using Ionos servers for my Postfix eMail server.  Been happy 
with them since 2018, and my Debian 9 server is still going strong.

But they are shutting down an entire class of servers at the end of this 
month, and mine is in that group, so I gotta migrate to a new server.

But...  I'm having trouble getting my new OpenSMTPD server running so 
I'm looking to clone my old disk onto a new disk on the new server as a 
stop-gap until I can figure out OpenSMTPD.

I'm now trying to rebuild my old Postfix system on a new Debian 11 
system, but I'm runnign out of time and looking for a faster quick-fix 
to keep me running.

One idea is to clone the currently running server onto new remote 
running server.  I do not have physical access to either server, and 
have limited ability to load an ISO file and reboot.

Right now, I'm creating an ISO of the existing disk and will try to dd 
onto the new server, but I don't think it will work since the disk in 
the new server has to stay mounted.

Any suggestions?

How can I clone a running remote server onto another running remote server?

TIA!

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Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug