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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If all else fails and if you have control over the range of addresses that DHCP gives out (at least enough to tell it to leave a few un-assigned), you could
always force the server to be at a static IP address.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
That is, either using network manager or whatever method you desire (including editing /etc/network/interfaces, see below) and setting it to not use DHCP but to have a static address.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
Then, if it is alive, it should always be at that IP address. Just make sure DHCP never allocates a new host there.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Here’s the syntax for making static in interfaces file:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"># interfaces(5) file used by ifup(8) and ifdown(8)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">auto lo<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">iface lo inet loopback<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">auto eth2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">iface eth2 inet static<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> address 192.168.0.149<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> netmask 255.255.255.0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-------end---<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You may have to fiddle with <something> to get the name of the Ethernet device right (or static), including hacking around with udev rules…. Especially since
eth0 went away recently, being replaced with wonderful names like enp3s0… (I understand the logic, but sometimes I want the first Ethernet device to be eth0, period. NO funny enp3s0/1/2/3 enp4s1 stuff… but I digress!)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">And, I’m NOT going to even MENTION the totally sick hack of finding the actual IP address that the host got from DHCP by using broadcast ping from a different
host… ;-)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Rusty<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> PLUG-discuss [mailto:plug-discuss-bounces@lists.phxlinux.org]
<b>On Behalf Of </b>Michael Butash<br>
<b>Sent:</b> Tuesday, October 30, 2018 2:14 PM<br>
<b>To:</b> PLUG Phoenix List<br>
<b>Cc:</b> joe@actionline.com<br>
<b>Subject:</b> Re: How to fix 'no route to host' problem<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If you can't ping it, see no arp on your local network, or "no route to host", it's not there on that ip any more. Doesn't mean it didn't get another ip address different as recommended above to static your dhcp, but it's not on that IP
any longer.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I like to do "nmap -sP <a href="http://192.168.1.0/24">192.168.1.0/24</a>" or whatever your subnet is there, and see what comes back for what lives there, if name resolution is present, or mdns capable, you should see names. It probably
just got a new lease.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-mb<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Oct 30, 2018 at 7:17 AM Stephen Partington <<a href="mailto:cryptworks@gmail.com">cryptworks@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif"">DHCP IP Address reservation or Assignments in your router will be a bit odd looking in most home routers, but once you find it very simple. This will still vary based on device but an
example can be found here. <a href="https://www.linksys.com/us/support-article?articleNum=135673" target="_blank">https://www.linksys.com/us/support-article?articleNum=135673</a><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mon, Oct 29, 2018 at 8:21 PM Joe Lowder <<a href="mailto:joe@actionline.com" target="_blank">joe@actionline.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">I still need help to solve this problem:<br>
<br>
I recently wrote this:<br>
> For many months, I have been using rsync to copy files<br>
> from one of my computers to two others, and it has worked flawlessly. But<br>
> today, it quit working and I cannot figure out why and how to correct the<br>
> problem. Below is the error message I now see:<br>
><br>
> ssh: connect to host 192.168.0.4 port 22: No route to host<br>
> rsync: connection unexpectedly closed (0 bytes received so far) [sender]<br>
> rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.0]<br>
><br>
> What do I need to do to correct this problem?<br>
<br>
One reply said, "Can you ping it?"<br>
<br>
Yes, I can, ping the device ip address. Also did these 2 commands:<br>
d: arp -an<br>
? (192.168.0.19) at c4:1c:ff:30:c5:9c [ether] on wlan0<br>
? (192.168.0.7) at 10:0b:a9:9a:99:a8 [ether] on wlan0<br>
? (192.168.0.1) at 52:b9:e5:c9:b9:cc [ether] on wlan0<br>
d: ip neighbor<br>
192.168.0.19 dev wlan0 lladdr c4:1c:ff:30:c5:9c REACHABLE<br>
192.168.0.7 dev wlan0 lladdr 10:0b:a9:9a:99:a8 STALE<br>
192.168.0.1 dev wlan0 lladdr 52:b9:e5:c9:b9:cc DELAY<br>
<br>
But I don't know what to do with the results.<br>
<br>
Another reply suggested:<br>
> So: Go to the target machine and find out what its<br>
> IP and MAC are--"/sbin/ifconfig" from the command line<br>
> will show that info. Then set up your router such that<br>
> it will always give out 192.168.0.4 to that MAC.<br>
<br>
But I don't know how to set my router so that it will<br>
always give out 192.168.0.4 to that MAC.<br>
<br>
<br>
<br>
<br>
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<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button.<br>
<br>
Stephen<o:p></o:p></p>
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