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<p>Hello,</p>
<p>You can find the extensive summary of our last operations in the
pad if you're interested, we tried and document it as much as we
could so anyone of you can learn some things out of it.</p>
<p>By the way, mara noted that tinc, the mesh VPN (decentralized
virtual private network) protocol we intended to setup, was
discontinued and also learned that a new VPN was recommended
nowadays but couldn't remember its name. After digging a bit, I
found out about <a href="https://www.netmaker.io/">Netmaker</a>,
which is based upon Wireguard and looks good. Is it the right one?</p>
<p>Would anyone have some recent experience in such VPN solutions?</p>
<p>bye,</p>
<p>Ada<br>
</p>
<div class="moz-cite-prefix">Le 15/10/2024 à 14:31, Ada LaNerd a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:5bb7c2e4-3daa-4a9d-96b2-ed2307dda139@hackstub.netlib.re">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<p>Hi everyone!</p>
<p>Apparently tomorrow 14:00 CET is the most suitable slot for
this session. The previous link for the BBB was <a
class="moz-txt-link-freetext"
href="https://visio.futuretic.fr/360" moz-do-not-send="true">https://visio.futuretic.fr/360</a>
and the pad is there : <a class="moz-txt-link-freetext"
href="https://eth.leverburns.blue/p/borg"
moz-do-not-send="true">https://eth.leverburns.blue/p/borg</a></p>
<p>I'm not sure the status of the backup is very clear: is it done
or not yet?<br>
</p>
<p>The goal of the session would be to end the upgrade to Debian
bookworm before we can install tinc right?</p>
<p>hugs for those who want some!<br>
</p>
<div class="moz-cite-prefix">Le 10/10/2024 à 13:35, bolwerK a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:1f6c6433-5898-4ffc-97e9-eed2cb701edb@ooooo.be">
<meta http-equiv="content-type"
content="text/html; charset=UTF-8">
<p>hi <br>
@ igni did you already start the backup solo <br>
thought we were agreeing on a date :: <a
class="moz-txt-link-freetext"
href="https://transitional.anarchaserver.org/date/studs.php?poll=9hZvhKvLFK7Lu3Ug"
moz-do-not-send="true">https://transitional.anarchaserver.org/date/studs.php?poll=9hZvhKvLFK7Lu3Ug</a>
<br>
and it seems wednesday 16/10 we can be more people present <br>
so can we do it all together that moment - as in the
meantime we received this message from ralph of [mur][at]<br>
</p>
<p>xm<br>
</p>
<div class="moz-forward-container"><br>
-------- Forwarded Message --------
<table class="moz-email-headers-table" cellspacing="0"
cellpadding="0" border="0">
<tbody>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Subject:
</th>
<td>Re: TECH INFRA - PREP UpGRADE - issue [mur.at
#12287] backup</td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date:
</th>
<td>Wed, 9 Oct 2024 14:46:43 +0200</td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">From:
</th>
<td>Ralph Wozelka via RT <a
class="moz-txt-link-rfc2396E"
href="mailto:amt@mur.at" moz-do-not-send="true"><amt@mur.at></a></td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Reply-To:
</th>
<td><a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:amt@mur.at" moz-do-not-send="true">amt@mur.at</a></td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">To:
</th>
<td><a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:info@ooooo.be" moz-do-not-send="true">info@ooooo.be</a>,
<a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:mara@multiplace.org"
moz-do-not-send="true">mara@multiplace.org</a></td>
</tr>
</tbody>
</table>
<br>
<br>
it looks like the transfers broke off pretty early in the
process!<br>
<br>
<blockquote type="cite">murmin@hamster/backup/images/adelejean
»ll<br>
total 1,1G<br>
-rw-rw-r-- 1 murmin murmin 0 Okt 3 17:53 adele01.img.lz4<br>
-rw-rw-r-- 1 murmin murmin 350 Okt 4 23:40 jean01.img.lz4<br>
-rw-rw-r-- 1 murmin murmin 1,1G Okt 3 15:32 test.img.lz4<br>
murmin@hamster/backup/images/adelejean »<br>
</blockquote>
<br>
I will write a script which will loop back and restart the
receiving server-side process!<br>
It will *keep* all files from previous attempts so that
nothing can go amiss :-)<br>
it will name the backup files like
"adele01.img.lz4.202410091415", ...<br>
and "jean01.img.lz4.202410091415", ...<br>
each new attempt will create a separate file! :-)<br>
<br>
use the lines as before again to commence transfer:<br>
(I added -N for netcat so it will terminate after the end of
file is reached. I noticed it just keeps going wailting for
more input otherwise)<br>
<br>
for adele, port 12346: dd if=/dev/<your-dev-on-adele> |
lz4 | pv | nc -N hamster.mur.at 12346<br>
for jean, port 12347: dd if=/dev/<your-dev-on-jean> |
lz4 | pv | nc -N hamster.mur.at 12347<br>
<br>
<br>
let me know how it goes!<br>
<br>
so long,<br>
r<br>
<br>
If the connection breaks it will restart the listening servers
on the same tcp ports ready for transfar<br>
On 03.10.24 17:59, Ralph Wozelka | NOC - mur.at wrote:<br>
<blockquote type="cite"><br>
I'll prepare for 2 separate transfers now!<br>
install lz4 and pv on your servers.<br>
<br>
try some transfer locally to make sure the tools work.<br>
<br>
then you should run this line:<br>
<br>
dd if=/dev/<your-dev-on-adele> | lz4 | pv | nc
hamster.mur.at 12346<br>
dd if=/dev/<your-dev-on-jean> | lz4 | pv | nc
hamster.mur.at 12347<br>
<br>
and I start 2 corresponding server on hamster *now*, which
will store the streams to local files there:<br>
<br>
/backup/images/adelejean »nc -l -p 12346 | cat >
adele01.img.lz4<br>
/backup/images/adelejean »nc -l -p 12347 | cat >
jean01.img.lz4<br>
<br>
<br>
--> the server side is up and running *from now on* and
you can start your transfer whenever you're ready.<br>
<br>
*note:* the server processes will exit after your client
terminates. so if some error occurs on your side, I will
need to restart the server-side processes.<br>
<br>
it is the fastest way of transferring the data via the local
network (it is not encrypted - so only good for our local
network. it would be a rather poor choice for across the
public internet)<br>
<br>
so long,<br>
r<br>
<br>
On 01.10.24 23:43, <a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:info@ooooo.be" moz-do-not-send="true">info@ooooo.be</a>
via RT wrote:<br>
<blockquote type="cite">Tue Oct 01 23:43:50 2024: Request
12287 was acted upon.<br>
Transaction: Correspondence added <a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:byinfo@ooooo.be" moz-do-not-send="true">byinfo@ooooo.be</a><br>
Queue: noc<br>
Subject: TECH INFRA - PREP UpGRADE - issue [mur.at #12287]
backup<br>
Owner: rwoz<br>
<a class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:Requestors:info@ooooo.be,mara@multiplace.org"
moz-do-not-send="true">Requestors:info@ooooo.be,mara@multiplace.org</a><br>
Status: open<br>
Ticket <a class="moz-txt-link-rfc1738"
href="https://rt.mur.at/Ticket/Display.html?id=12287"
moz-do-not-send="true"><URL:https://rt.mur.at/Ticket/Display.html?id=12287
></a><br>
<br>
<br>
Hi great for the enthousiasm.<br>
Is raw disk spaec around 500 gig<br>
<br>
$ df -h<br>
*adele */dev/md0p2 876G 167G 665G 21% /<br>
*jean* /dev/mapper/jean-data 875G 357G 474G 43% /<br>
<br>
and do you have a little more explanation what you expect
from us ?<br>
"/netcat socket on hamster"<br>
<br>
<br>
xm<br>
<br>
sounds good<br>
On 30/09/2024 17:10, Ralph Wozelka via RT wrote:<br>
<blockquote type="cite">hey systers!<br>
<br>
how big are the disk(s)?<br>
we could do it with netcat!<br>
I'd open a netcat listening socket on hamster, our
backup server, and<br>
you could pipe the whole block device there via
netcat...<br>
<br>
so long,<br>
r<br>
<br>
On 16.09.24 18:20,<a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:info@ooooo.be" moz-do-not-send="true">info@ooooo.be</a>
via RT wrote:<br>
<blockquote type="cite">Mon Sep 16 18:20:09 2024:
Request 12287 was acted upon.<br>
Transaction: Ticket <a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:createdbyinfo@ooooo.be"
moz-do-not-send="true">createdbyinfo@ooooo.be</a><br>
Queue: noc<br>
Subject: backup<br>
Owner: Nobody<br>
<a
class="moz-txt-link-abbreviated moz-txt-link-freetext"
href="mailto:Requestors:info@ooooo.be"
moz-do-not-send="true">Requestors:info@ooooo.be</a><br>
Status: new<br>
Ticket<a class="moz-txt-link-rfc1738"
href="https://rt.mur.at/Ticket/Display.html?id=12287"
moz-do-not-send="true"><URL:https://rt.mur.at/Ticket/Display.html?id=12287
></a><br>
<br>
<br>
hello mur.<br>
we write you / the technical support -<br>
cc Andreas<br>
to see if you can follow up our request?<br>
<br>
on 12/09 we wrote ANdreas --<br>
<br>
-------------------<br>
<br>
Dear Andreas<br>
<br>
hope you are doing well.<br>
We want to upgrade adele server, but our backup server
has some issues<br>
so we are wondering if mur could make a full disk
backup for us?<br>
<br>
-------------------<br>
<br>
thanks for taking it in consideration<br>
xm<br>
<br>
<br>
<br>
thanks xm<br>
<br>
<br>
<br>
<br>
</blockquote>
</blockquote>
</blockquote>
-- / NOC - mur.at<br>
/ Network Operation Center / Systemadministration<br>
/ +43 (0)681 816 45 308<br>
/ Di-Fr 12:00-14:00 (Support)<br>
</blockquote>
<br>
<pre class="moz-signature">--
/ NOC - mur.at
/ Network Operation Center / Systemadministration
/ +43 (0)681 816 45 308
/ Di-Fr 12:00-14:00 (Support)
</pre>
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