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  • Error- 443: Network is unreachable while installing RVM

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    If you are setting up RoR on a system, and while installing RVM you get an error like

    curl: (7) Failed to connect to get.rvm.io port 443: Network is unreachable

    this is due to mis-configured ipv4 & ipv6.

     

    As you already know that RVM is a version manager and it will help us to install & manage different versions of Ruby on the same system and easily switch between them.

    So if you are installing it using curl you need to download its signature and import it.

     

    I assume you have already downloaded the signature & u have imported it by running

          curl -#LO https://rvm.io/mpapis.asc
          gpg --import mpapis.asc

    and now if u are installing it using

    \curl -sSL https://get.rvm.io | bash 

    and you get an error like

    curl: (7) Failed to connect to get.rvm.io port 443: Network is unreachable

    Then the problem is with the mis-cinfigured ipv6.

     

    To overcome this problem, run the following command

    echo ipv4 >> ~/.curlrc

    The above command will remember the --ip4 flag for all curl commands and then it will force curl to use ipv4 instead of ipv6, because curl causes issue with ipv6 configuration in most of the systems.

     

    After executing this command the above issue is resolved, & now we can successfully install RVM using

     

    \curl -sSL https://get.rvm.io | bash 

     

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