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3

If it's an actual server, it will have out of band management (IPMI) features which will allow you to access the system console. For instance Dell servers call it iDRAC, HP servers have iLO, etc. If your server has no such functionality then you can connect an IP KVM device to it.


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It looks like you have a private IP on your server. So you need a DNAT / port forwarding rule on the gateway that directs to port 80 on the web server.


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The traffic is likely being filtered. Because you supplied your domain name (assuming here, that despite having two A records with two different addresses 141.101.117.86 is accurate.. Tracerouting to port 80, which we can demonstrably prove is open.. $ sudo traceroute -T -O info 141.101.117.86 -p 80 traceroute to 141.101.117.86 (141.101.117.86), 30 hops ...


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I'd suggest just buying better servers. You want this functionality built into the hardware platform, not as an add-on... Yes, this could be done with switched PDUs (e.g. APC 8941), IP KVMs (i.e. Raritan rackmount or Lantronix Spider)... the higher-end IP KVMs can also perform virtual media functionality via USB dongle. I've had to manage an environment ...


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This isn't completely true, there is a way around it that I found purely by accident while trying to get this to work. I too run a dedicated graphics card (Nvidia Quadro K600) because I have a 30" monitor and the in built graphics won't run at the resolution I want. The connection is through a KVM switch - this is key to this solution. You have to have the ...


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If your iptables rule was temporary, you could try a reboot. Else, you would need console access to the machine, in which you could boot into single user mode and change it back. Otherwise, you have effectively firewalled yourself out and would need to re-image if you can't get a console.


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If you have a remote console and can remotely re-image the box, you should be able to remotely boot a rescue image as well. If that is not possible for some reason (lack of admin access to tftp/dhcp/pxe servers, no remote power control, etc.), maybe you could use a local exploit of some sort, eg (since I don't know the exact kernel version) ...


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So, given the real IP address here is the traceroute; Note the routing appears to change regularly, but these two examples appear to take similar paths. Port 80 traceroute to 103.231.8.238 (103.231.8.238), 30 hops max, 60 byte packets 1 192.168.1.1 0.290 ms 0.435 ms 0.520 ms 2 92.25.242.1 13.350 ms 13.348 ms 13.343 ms 3 78.151.225.189 15.084 ...


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You can read the text currently displayed on the screen from /dev/vcs. If your terminal window has the same number of columns as the actual screen output on the server, then you can simply type cat /dev/vcs and get a recognizable output. You can append a number to access a specific console rather than always the active console. And you can use vcsa, if you ...



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