質問編集履歴
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| 3 3 | 
             
            apt purgeをすると再インストールが必要とのエラーが発生しました。
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| 4 4 | 
             
            そこで--reinstall installをつけて再インストールを試みましたが、同じエラーのままでした。
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| 5 5 | 
             
            ```ubuntu
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| 6 | 
            -
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            +
            $ sudo apt purge docker
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| 7 7 | 
             
            E: The package docker-ce needs to be reinstalled, but I can't find an archive for it.
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| 8 8 |  | 
| 9 | 
            -
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            +
            $ sudo apt --reinstall install docker
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            E: The package docker-ce needs to be reinstalled, but I can't find an archive for it.
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| 11 11 |  | 
| 12 | 
            -
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            +
            $ sudo apt --reinstall install docker-ce
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| 13 13 | 
             
            E: The package docker-ce needs to be reinstalled, but I can't find an archive for it.
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| 14 14 | 
             
            ```
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| 16 16 | 
             
            dpkgで強制削除を試みると次のようなエラーになりました。
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| 17 17 | 
             
            ```ubuntu
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            -
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            +
            $ sudo dpkg --remove --force-all docker-ce
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| 19 19 | 
             
            dpkg: warning: overriding problem because --force enabled:
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            dpkg: warning: package is in a very bad inconsistent state; you should
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             reinstall it before attempting a removal
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| 33 33 |  | 
| 34 34 | 
             
            dockerサービスが起動していないようだったので、次の手順を行いました。
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| 35 35 | 
             
            ```ubuntu
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| 36 | 
            -
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            +
            $ sudo service docker start
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| 37 37 | 
             
            Job for docker.socket failed.
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| 38 38 | 
             
            See "systemctl status docker.socket" and "journalctl -xe" for details.
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| 39 39 | 
             
            Failed to start docker.service: Unit docker.service is not loaded properly: Invalid argument.
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| 40 40 | 
             
            See system logs and 'systemctl status docker.service' for details.
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| 42 | 
            -
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            +
            $ sudo systemctl status docker.socket
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| 43 43 | 
             
            ● docker.socket - Docker Socket for the API
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| 44 44 | 
             
               Loaded: loaded (/lib/systemd/system/docker.socket; enabled; vendor preset: enabled)
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| 45 45 | 
             
               Active: inactive (dead)
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