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Im getting the below error while installing Dropbox in the appliance.

"Trouble connecting to Dropbox servers. Maybe your internet connection is down, or you need to set your http_proxy environment variable "

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  • same problem :(
    – Kevin Ling
    May 3, 2015 at 11:25
  • similar problem.
    – user7144
    May 17, 2015 at 6:37
  • I'm also have similar problem . Who can help me fix it. I can't download and install Dropbox without connect internet.
    – user7246
    Jun 10, 2015 at 0:47
  • Hello Swanand Moholkar. You've fix it yet? Please share with me. Thank you very much.
    – user7246
    Jun 10, 2015 at 0:53
  • I have the same problem. Ran connect50 on the terminal and got: Appliance does not seem to have Internet access. Restarting networking... Close it up, restarted, set all connections to Bridged mode. Try again and same problem. Appliance does not seem to have Internet access. Restarting networking... Ran ping 8.8.8.8 and got:Network is unreachable.
    – user9782
    Oct 1, 2015 at 21:50

2 Answers 2

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As the error message implies, trouble probably lies in your Internet connection. There are few possibilities of why is that so:

  1. You physical machine has no connection to the Internet.

    Go back to your Windows desktop and check connectivity:

    • by looking at tray icons (usually in bottom-right corner of the screen, next to the system
    • via the Network and Sharing Center (you can get there via the Control Panel).

    Solving Windows connectivity issues is outside of the scope of this forum, so you have to look elsewhere to solve this case.

  2. Your virtual machine has no Internet access.

    You can check your virtual machine connectivity:

    • by running connect50 command from the terminal (to run terminal you can press 3rd icon next to "Menu" button or choose it from menu itself).

    • by pinging some know-to-work address, like "8.8.8.8" (Google DNS) using ping command. Example: 

      ping 8.8.8.8

    If your virtual machine has no connectivity, the common cause are hypervisor (like VMware Player or VirtualBox) network settings.

    To solve this, you should go to the virtual machine network settings (usually it's "Settings" -> "Network") and make sure all the connection are set to bridged mode. This allows machine to connect directly to your physical network and obtain IP address.

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  • I am having a similar problem, thank you for the answer. I was able to confirm that virtualbox has internet access but I am still having this problem. Since I am using a work computer at work, is it possible that this daemon is being actively blocked by work network and if so how can I confirm? Since I plan on doing most of this course from work I'd like to be able to set this up- alternatively if I cannot get around work network blocking this...how much of a pain would it be to just save manually and then add to dropbox through the dropbox website?
    – Michael Uva
    Aug 11, 2015 at 20:41
  • As to enabling Dropbox in work, you should ask your network administrator about any blockades first. If they are present, there is nothing you can, or should, do, since it would probably violate company's policy. Saving files manually would be fine in long term, as it ensures your work is safe outside of fragile virtual machine environment, however you should remember, that if you machine, virtual of physical, crashes unexpectedly during work, you may lose your most recent progress. It shouldn't be really painful, as Dropbox offer versioning system.
    – Wiktor Czajkowski
    Aug 12, 2015 at 9:01
  • Thank you. What I think I could do then, is save them to the local machine and then transfer to dropbox manually. I could really use some help saving the files manually. From the CS50 appliance manual, it gives 2 alternatives to dropbox. 1) SFTP using WINSCP: No idea how to set this up 2) "Mounting" in which I used: \\w.x.y.z\jharvard (where w.x.y.z is the appliance’s IP address,) which returned an error "windows cannot find etc" I am going to post this as a question since I think it would be appropriate.
    – Michael Uva
    Aug 13, 2015 at 20:46
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Try to restart you VMware and then try to install Dropbox, it works.

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  • I have the same problem: Appliance v2014-29 on Virtualbox on Windows XP 32 system behind corporative proxy. 1. On local system opens all sites and application Dropbox 2. On Virtual box I made: a) @appliance (~): connect50 Appliance has Internet access! b)@appliance (~): ping 8.8.8.8 64 bytes from 8.8.8.8: icmp_seq=1 ttl=51 time=36.1 ms c) setup proxy in /etc/profile.d/proxy.sh d) in Crome I open a http pages, but https (dropbox.com, google.com) e) restarted and reinstalled CS50 appliance, but have trouble connecting to Dropbox servers. Q: How to install Dropbox? Q: How to open https?
    – Sergey Kosenko
    Aug 21, 2015 at 4:46

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