Error: “The value for the SHELL variable was not found the /etc/shells file” when running `pkexec`












3















On Ubuntu 14.04, I am getting the error "The value for the SHELL variable was not found the /etc/shells file" when running pkexec to run a script.



Most likely this error started after I removed the fish shell, that was set as my default shell.



The content of /etc/shells is:




# /etc/shells: valid login shells

/bin/sh

/bin/dash

/bin/bash

/bin/rbash




How may I fix this?










share|improve this question





























    3















    On Ubuntu 14.04, I am getting the error "The value for the SHELL variable was not found the /etc/shells file" when running pkexec to run a script.



    Most likely this error started after I removed the fish shell, that was set as my default shell.



    The content of /etc/shells is:




    # /etc/shells: valid login shells

    /bin/sh

    /bin/dash

    /bin/bash

    /bin/rbash




    How may I fix this?










    share|improve this question



























      3












      3








      3








      On Ubuntu 14.04, I am getting the error "The value for the SHELL variable was not found the /etc/shells file" when running pkexec to run a script.



      Most likely this error started after I removed the fish shell, that was set as my default shell.



      The content of /etc/shells is:




      # /etc/shells: valid login shells

      /bin/sh

      /bin/dash

      /bin/bash

      /bin/rbash




      How may I fix this?










      share|improve this question
















      On Ubuntu 14.04, I am getting the error "The value for the SHELL variable was not found the /etc/shells file" when running pkexec to run a script.



      Most likely this error started after I removed the fish shell, that was set as my default shell.



      The content of /etc/shells is:




      # /etc/shells: valid login shells

      /bin/sh

      /bin/dash

      /bin/bash

      /bin/rbash




      How may I fix this?







      command-line bash pkexec






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Jan 5 '16 at 18:06









      kos

      25.8k871121




      25.8k871121










      asked Jan 5 '16 at 17:16









      J. DoeJ. Doe

      184




      184






















          1 Answer
          1






          active

          oldest

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          4














          The problem is this one: pkexec is accessing $SHELL to determine which shell to use to evaluate the remainder of the command; since you uninstalled fish but didn't do anything else, $SHELL still contains /usr/bin/fish, but pkexec doesn't deem /usr/bin/fish as a valid shell, since /usr/bin/fish has been removed from /etc/shells.



          You need to do these two things:





          1. Set a new shell for your user, so that the next time the environment is load $SHELL will contain a path to a valid shell. E.g. to set Bash as the new shell for your user (replace user with your user's username):



            sudo chsh -s /bin/bash user


          2. Log out / log in to reload the environment so that $SHELL contains the path to the new shell for your user.







          share|improve this answer


























          • This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

            – J. Doe
            Jan 5 '16 at 20:28











          • @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

            – kos
            Jan 5 '16 at 20:34











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          1 Answer
          1






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          active

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          active

          oldest

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          4














          The problem is this one: pkexec is accessing $SHELL to determine which shell to use to evaluate the remainder of the command; since you uninstalled fish but didn't do anything else, $SHELL still contains /usr/bin/fish, but pkexec doesn't deem /usr/bin/fish as a valid shell, since /usr/bin/fish has been removed from /etc/shells.



          You need to do these two things:





          1. Set a new shell for your user, so that the next time the environment is load $SHELL will contain a path to a valid shell. E.g. to set Bash as the new shell for your user (replace user with your user's username):



            sudo chsh -s /bin/bash user


          2. Log out / log in to reload the environment so that $SHELL contains the path to the new shell for your user.







          share|improve this answer


























          • This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

            – J. Doe
            Jan 5 '16 at 20:28











          • @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

            – kos
            Jan 5 '16 at 20:34
















          4














          The problem is this one: pkexec is accessing $SHELL to determine which shell to use to evaluate the remainder of the command; since you uninstalled fish but didn't do anything else, $SHELL still contains /usr/bin/fish, but pkexec doesn't deem /usr/bin/fish as a valid shell, since /usr/bin/fish has been removed from /etc/shells.



          You need to do these two things:





          1. Set a new shell for your user, so that the next time the environment is load $SHELL will contain a path to a valid shell. E.g. to set Bash as the new shell for your user (replace user with your user's username):



            sudo chsh -s /bin/bash user


          2. Log out / log in to reload the environment so that $SHELL contains the path to the new shell for your user.







          share|improve this answer


























          • This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

            – J. Doe
            Jan 5 '16 at 20:28











          • @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

            – kos
            Jan 5 '16 at 20:34














          4












          4








          4







          The problem is this one: pkexec is accessing $SHELL to determine which shell to use to evaluate the remainder of the command; since you uninstalled fish but didn't do anything else, $SHELL still contains /usr/bin/fish, but pkexec doesn't deem /usr/bin/fish as a valid shell, since /usr/bin/fish has been removed from /etc/shells.



          You need to do these two things:





          1. Set a new shell for your user, so that the next time the environment is load $SHELL will contain a path to a valid shell. E.g. to set Bash as the new shell for your user (replace user with your user's username):



            sudo chsh -s /bin/bash user


          2. Log out / log in to reload the environment so that $SHELL contains the path to the new shell for your user.







          share|improve this answer















          The problem is this one: pkexec is accessing $SHELL to determine which shell to use to evaluate the remainder of the command; since you uninstalled fish but didn't do anything else, $SHELL still contains /usr/bin/fish, but pkexec doesn't deem /usr/bin/fish as a valid shell, since /usr/bin/fish has been removed from /etc/shells.



          You need to do these two things:





          1. Set a new shell for your user, so that the next time the environment is load $SHELL will contain a path to a valid shell. E.g. to set Bash as the new shell for your user (replace user with your user's username):



            sudo chsh -s /bin/bash user


          2. Log out / log in to reload the environment so that $SHELL contains the path to the new shell for your user.








          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Jan 5 '16 at 20:35

























          answered Jan 5 '16 at 18:02









          koskos

          25.8k871121




          25.8k871121













          • This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

            – J. Doe
            Jan 5 '16 at 20:28











          • @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

            – kos
            Jan 5 '16 at 20:34



















          • This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

            – J. Doe
            Jan 5 '16 at 20:28











          • @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

            – kos
            Jan 5 '16 at 20:34

















          This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

          – J. Doe
          Jan 5 '16 at 20:28





          This didn't work for me. Without sudo, I received: "You may not change the shell for 'name'." With sudo no error but after loging back in, same pkexec error.

          – J. Doe
          Jan 5 '16 at 20:28













          @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

          – kos
          Jan 5 '16 at 20:34





          @J.Doe Right. sudo chsh -s /bin/bash changes the shell for root. Do sudo chsh -s /bin/bash user, where user is your username instead.

          – kos
          Jan 5 '16 at 20:34


















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