Fix “Unable to lock the administration directory (/var/lib/dpkg/)” in Ubuntu

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Aaron Kili

Aaron Kili is a Linux and F.O.S.S enthusiast, an upcoming Linux SysAdmin, web developer, and currently a content creator for TecMint who loves working with computers and strongly believes in sharing knowledge.

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89 Responses

  1. jason chu says:

    Great post, thanks!

    Ran into issue

    fatal: [192.168.56.xxx]: FAILED! => {“changed”: false, “msg”: “‘/usr/bin/aptitude safe-upgrade’ failed: E: Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)\nE: Unable to lock the administration directory (/var/lib/dpkg/), are you root?\n”, “rc”: 255, “stdout”: “Reading package lists…\nBuilding dependency tree…\nReading state information…\nInitializing package states…\n”, “stdout_lines”: [“Reading package lists…”, “Building dependency tree…”, “Reading state information…”, “Initializing package states…”]}

    fatal: [192.168.56.xxx]: FAILED! => {“changed”: false, “msg”: “‘/usr/bin/aptitude safe-upgrade’ failed: E: Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)\nE: Unable to lock the administration directory (/var/lib/dpkg/), are you root?\n”, “rc”: 255, “stdout”: “Reading package lists…\nBuilding dependency tree…\nReading state information…\nInitializing package states…\n”, “stdout_lines”: [“Reading package lists…”, “Building dependency tree…”, “Reading state information…”, “Initializing package states…”]}

  2. tony says:

    thank you !!!

  3. dEV says:

    Thank you very much, I’m new to Ubuntu and almost about break the monitor.. You save it

  4. jean mouawad says:

    the only useful document on the web thank you very much

  5. Prasanth says:

    Thalaiva …Super..!

  6. kk says:

    Thanks a ton, it worked without errors for me..

  7. Dhanush Acharya says:

    thanks a lot, this worked !!!

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