accidentally deleted /var/lib/apt/











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I accidentally deleted content of /var/lib/apt with command below:



sudo rm -rf /var/lib/apt/*


what should I do now? can I restore it? is it necessary?










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    up vote
    6
    down vote

    favorite












    I accidentally deleted content of /var/lib/apt with command below:



    sudo rm -rf /var/lib/apt/*


    what should I do now? can I restore it? is it necessary?










    share|improve this question









    New contributor




    Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      6
      down vote

      favorite









      up vote
      6
      down vote

      favorite











      I accidentally deleted content of /var/lib/apt with command below:



      sudo rm -rf /var/lib/apt/*


      what should I do now? can I restore it? is it necessary?










      share|improve this question









      New contributor




      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I accidentally deleted content of /var/lib/apt with command below:



      sudo rm -rf /var/lib/apt/*


      what should I do now? can I restore it? is it necessary?







      apt






      share|improve this question









      New contributor




      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 3 hours ago









      Braiam

      51.2k20134219




      51.2k20134219






      New contributor




      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked 18 hours ago









      Hossein Hosseinvand

      363




      363




      New contributor




      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Hossein Hosseinvand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          1 Answer
          1






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          up vote
          14
          down vote



          accepted










          The folder contains a few interesting things, in particular there is /var/lib/apt/keyrings/ directory for any repositories that you've added to the system via apt-add-repository ( and then there's also /etc/apt/trusted.gpg and /etc/apt/trusted.gpg.d/) and cdroms.list which should reference the installation media as source of packages. Removed /var/lib/apt/keyrings/ubuntu-archive-keyring.gpg may be reinstalled with sudo apt-get install --reinstall ubuntu-keyring.



          There's also /var/lib/apt/lists, which contains lock files for when apt is running update or upgrade, and lists of packages in remote repositories. Items in that directory sometimes are cleared or deleted as in this post for example. It should regenerate once you run apt-get update.



          In short, I wouldn't worry about this much. Just run sudo apt-get update and it should be back, however if you have added repositories via apt-add-repository which may have required a GPG key, then you may want to add that key again or temporarily remove that repository from /etc/apt/sources.list.d.






          share|improve this answer























          • You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
            – Lightness Races in Orbit
            6 mins ago










          • @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
            – Sergiy Kolodyazhnyy
            4 mins ago











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          14
          down vote



          accepted










          The folder contains a few interesting things, in particular there is /var/lib/apt/keyrings/ directory for any repositories that you've added to the system via apt-add-repository ( and then there's also /etc/apt/trusted.gpg and /etc/apt/trusted.gpg.d/) and cdroms.list which should reference the installation media as source of packages. Removed /var/lib/apt/keyrings/ubuntu-archive-keyring.gpg may be reinstalled with sudo apt-get install --reinstall ubuntu-keyring.



          There's also /var/lib/apt/lists, which contains lock files for when apt is running update or upgrade, and lists of packages in remote repositories. Items in that directory sometimes are cleared or deleted as in this post for example. It should regenerate once you run apt-get update.



          In short, I wouldn't worry about this much. Just run sudo apt-get update and it should be back, however if you have added repositories via apt-add-repository which may have required a GPG key, then you may want to add that key again or temporarily remove that repository from /etc/apt/sources.list.d.






          share|improve this answer























          • You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
            – Lightness Races in Orbit
            6 mins ago










          • @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
            – Sergiy Kolodyazhnyy
            4 mins ago















          up vote
          14
          down vote



          accepted










          The folder contains a few interesting things, in particular there is /var/lib/apt/keyrings/ directory for any repositories that you've added to the system via apt-add-repository ( and then there's also /etc/apt/trusted.gpg and /etc/apt/trusted.gpg.d/) and cdroms.list which should reference the installation media as source of packages. Removed /var/lib/apt/keyrings/ubuntu-archive-keyring.gpg may be reinstalled with sudo apt-get install --reinstall ubuntu-keyring.



          There's also /var/lib/apt/lists, which contains lock files for when apt is running update or upgrade, and lists of packages in remote repositories. Items in that directory sometimes are cleared or deleted as in this post for example. It should regenerate once you run apt-get update.



          In short, I wouldn't worry about this much. Just run sudo apt-get update and it should be back, however if you have added repositories via apt-add-repository which may have required a GPG key, then you may want to add that key again or temporarily remove that repository from /etc/apt/sources.list.d.






          share|improve this answer























          • You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
            – Lightness Races in Orbit
            6 mins ago










          • @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
            – Sergiy Kolodyazhnyy
            4 mins ago













          up vote
          14
          down vote



          accepted







          up vote
          14
          down vote



          accepted






          The folder contains a few interesting things, in particular there is /var/lib/apt/keyrings/ directory for any repositories that you've added to the system via apt-add-repository ( and then there's also /etc/apt/trusted.gpg and /etc/apt/trusted.gpg.d/) and cdroms.list which should reference the installation media as source of packages. Removed /var/lib/apt/keyrings/ubuntu-archive-keyring.gpg may be reinstalled with sudo apt-get install --reinstall ubuntu-keyring.



          There's also /var/lib/apt/lists, which contains lock files for when apt is running update or upgrade, and lists of packages in remote repositories. Items in that directory sometimes are cleared or deleted as in this post for example. It should regenerate once you run apt-get update.



          In short, I wouldn't worry about this much. Just run sudo apt-get update and it should be back, however if you have added repositories via apt-add-repository which may have required a GPG key, then you may want to add that key again or temporarily remove that repository from /etc/apt/sources.list.d.






          share|improve this answer














          The folder contains a few interesting things, in particular there is /var/lib/apt/keyrings/ directory for any repositories that you've added to the system via apt-add-repository ( and then there's also /etc/apt/trusted.gpg and /etc/apt/trusted.gpg.d/) and cdroms.list which should reference the installation media as source of packages. Removed /var/lib/apt/keyrings/ubuntu-archive-keyring.gpg may be reinstalled with sudo apt-get install --reinstall ubuntu-keyring.



          There's also /var/lib/apt/lists, which contains lock files for when apt is running update or upgrade, and lists of packages in remote repositories. Items in that directory sometimes are cleared or deleted as in this post for example. It should regenerate once you run apt-get update.



          In short, I wouldn't worry about this much. Just run sudo apt-get update and it should be back, however if you have added repositories via apt-add-repository which may have required a GPG key, then you may want to add that key again or temporarily remove that repository from /etc/apt/sources.list.d.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 17 hours ago

























          answered 17 hours ago









          Sergiy Kolodyazhnyy

          68.6k9143303




          68.6k9143303












          • You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
            – Lightness Races in Orbit
            6 mins ago










          • @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
            – Sergiy Kolodyazhnyy
            4 mins ago


















          • You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
            – Lightness Races in Orbit
            6 mins ago










          • @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
            – Sergiy Kolodyazhnyy
            4 mins ago
















          You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
          – Lightness Races in Orbit
          6 mins ago




          You will also want to review how the error was made in the first place, because writing out sudo followed by rm -rf followed by an unintended directory name followed by * should not be something your brain allows to happen. Corrective action/changes to behaviours may be required to avoid much worse problems in the future.
          – Lightness Races in Orbit
          6 mins ago












          @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
          – Sergiy Kolodyazhnyy
          4 mins ago




          @LightnessRacesinOrbit I think this comment should be placed under OP's question, but I do agree - user has to know what they type and avoid doing rm -rf without checking and ensuring that they remove the right thing first.
          – Sergiy Kolodyazhnyy
          4 mins ago










          Hossein Hosseinvand is a new contributor. Be nice, and check out our Code of Conduct.










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