bitcoin core – Will upgrading from 0.10.2 fix read block errors?

I have a relatively old version of Bitcoin Core (0.10.2) aka Bitcoin-QT.app, installed in 2015. Bitcoin Core won’t open anymore. I’m on MacOS Mohave, v10.14.6. and I have just 60Gb of free hard drive space now. Below is what I’ve tried and my questions.

What I’ve tried

Tried to open Bitcoin-Qt.app, either through the terminal or the GUI. I goes through the verifying blocks stage. Then it says Loading wallet... and there is an error message, Error: A fatal internal error occured, see debug.log for details

In ~/Library/Application Support/Bitcoin/, I can see various files including my wallet.dat

At the bottom of the debug.log file I see the following:

2021-03-07 14:15:02 ERROR: CheckProofOfWork() : nBits below minimum work
2021-03-07 14:15:02 ERROR: ReadBlockFromDisk : Errors in block header
2021-03-07 14:15:02 *** Failed to read block

Questions

  • What’s going on here? Will this be fixed if I update to Bitcoin Core v0.21.0 (the latest version) given that I’m coming from such an old version (0.10.2)?
  • Given I don’t have enough hard drive space for the full blockchain size, would I be able to use an external hard rive in the process of upgrading? Bitcoin-Qt.app was initially installed on my MacBook, not an external HD. I know you can use an external drive on install.. but I’m not sure if it’s different in an upgrading situation like mine?
  • Apart from backing up my wallet.dat, is there anything else I should take into consideration.

upgrading – Composer won’t upgrade drupal/core-recommended 9.0.11 -> 9.1.4

My composer.json is below

{                                                                                                                           "name": "drupal/recommended-project",                                                                                   "description": "Project template for Drupal 8 projects with a relocated document root",                                 "type": "project",                                                                                                      "license": "GPL-2.0-or-later",                                                                                          "homepage": "https://www.drupal.org/project/drupal",                                                                    "support": {                                                                                                                "docs": "https://www.drupal.org/docs/user_guide/en/index.html",                                                         "chat": "https://www.drupal.org/node/314178"
    },
    "repositories": (
        {
            "type": "composer",
            "url": "https://packages.drupal.org/8"
        }
    ),
    "require": {
        "composer/installers": "^1.9",
        "drupal/ckeditor_a11ychecker": "^1.0",
        "drupal/ckeditor_bs_grid": "^2.0",
        "drupal/ckeditor_indentblock": "^1.0@beta",
        "drupal/ckeditor_youtube": "^1.3",
        "drupal/codesnippet": "^1.7",
        "drupal/colorbutton": "^1.2",
        "drupal/core-composer-scaffold": "^9",
        "drupal/core-project-message": "^9",
        "drupal/core-recommended": "^9",
        "drupal/danland": "^1.0",
        "drupal/devel": "^4.0",
        "drupal/devel_entity_updates": "^3.0.",
        "drupal/diff": "^1.0",
        "drupal/domain": "^1.0@beta",
        "drupal/facets": "^1.5",
        "drupal/image_resize_filter": "^1.1",
        "drupal/ldap_auth": "^1.16",
        "drupal/search_api": "^1.17",
        "drupal/search_api_db": "^1.17",
        "drupal/search_api_solr": "^4.1",
        "drupal/vartheme_bs4": "^6.13",
        "typo3/phar-stream-wrapper": "^3.1"
    },
    "conflict": {
        "drupal/drupal": "*"
    },
    "minimum-stability": "stable",
    "prefer-stable": true,
    "config": {
        "sort-packages": true
    },
    "extra": {
        "drupal-scaffold": {
            "locations": {
                "web-root": "web/"
            }
        },
        "installer-paths": {
            "web/core": (
                "type:drupal-core"
            ),
            "web/libraries/{$name}": (
                "type:drupal-library"
            ),
            "web/modules/contrib/{$name}": (
                "type:drupal-module"
            ),
            "web/profiles/contrib/{$name}": (
                "type:drupal-profile"
            ),
            "web/themes/contrib/{$name}": (
                "type:drupal-theme"
            ),
            "drush/Commands/contrib/{$name}": (
                "type:drupal-drush"
            ),
            "web/modules/custom/{$name}": (
                "type:drupal-custom-module"
            ),
            "web/themes/custom/{$name}": (
                "type:drupal-custom-theme"
            )
        },
        "drupal-core-project-message": {
            "include-keys": (
                "homepage",
                "support"
            ),
            "post-create-project-cmd-message": (
                "<bg=blue;fg=white>                                                         </>",
                "<bg=blue;fg=white>  Congratulations, you’ve installed the Drupal codebase  </>",
                "<bg=blue;fg=white>  from the drupal/recommended-project template!          </>",
                "<bg=blue;fg=white>                                                         </>",
                "",
                "<bg=yellow;fg=black>Next steps</>:",
                "  * Install the site: https://www.drupal.org/docs/8/install",
                "  * Read the user guide: https://www.drupal.org/docs/user_guide/en/index.html",
                "  * Get support: https://www.drupal.org/support",
                "  * Get involved with the Drupal community:",
                "      https://www.drupal.org/getting-involved",
                "  * Remove the plugin that prints this message:",
                "      composer remove drupal/core-project-message"
            )
        }
    }
}

When I run composer update drupal/core-recommended --with-dependencies i get this:

Dependency "typo3/phar-stream-wrapper" is also a root requirement, but is not explicitly allowed. Ignoring.
Dependency "typo3/phar-stream-wrapper" is also a root requirement, but is not explicitly allowed. Ignoring.
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - drupal/core 8.7.9 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.8 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.7 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.6 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.5 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.4 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.3 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.2 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.14 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.13 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.12 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.11 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.10 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.1 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.7.0 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.9 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.8 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.7 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.6 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.18 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.17 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.16 requires typo3/phar-stream-wrapper ^2.1.1 -> satisfiable by typo3/phar-stream-wrapper(v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.15 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.14 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.13 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.12 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.11 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.6.10 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.9 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.15 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.14 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.13 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.12 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.11 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core 8.5.10 requires typo3/phar-stream-wrapper ^2.0.1 -> satisfiable by typo3/phar-stream-wrapper(v2.0.1, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.2.0, v2.2.1, v2.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core-recommended 9.1.1 requires drupal/core 9.1.x-dev -> satisfiable by drupal/core(9.1.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core-recommended 9.1.0 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.2 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.3 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.4 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - Conclusion: don't install typo3/phar-stream-wrapper v3.1.6
    - Conclusion: remove drupal/core 9.0.11
    - Conclusion: don't install drupal/core 8.9.13
    - Conclusion: don't install drupal/core 9.0.11
    - Conclusion: don't install drupal/core 8.9.12
    - drupal/core-recommended 9.0.11 requires drupal/core 9.0.11 -> satisfiable by drupal/core(9.0.11).
    - drupal/core-recommended 9.0.11 requires drupal/core 9.0.11 -> satisfiable by drupal/core(9.0.11).
    - drupal/core-recommended 9.0.11 requires drupal/core 9.0.11 -> satisfiable by drupal/core(9.0.11).
    - Conclusion: don't install drupal/core 9.0.11
    - Conclusion: don't install drupal/core 8.9.11
    - drupal/core-recommended 9.0.10 requires drupal/core 9.0.10 -> satisfiable by drupal/core(9.0.10).
    - Conclusion: don't install drupal/core 9.0.10
    - Conclusion: don't install drupal/core 8.9.10
    - drupal/core-recommended 9.0.9 requires drupal/core 9.0.9 -> satisfiable by drupal/core(9.0.9).
    - Conclusion: don't install drupal/core 9.0.9
    - Conclusion: don't install drupal/core 8.9.9
    - drupal/core-recommended 9.0.8 requires drupal/core 9.0.8 -> satisfiable by drupal/core(9.0.8).
    - Conclusion: don't install drupal/core 9.0.8
    - Conclusion: don't install drupal/core 8.9.8
    - drupal/core-recommended 9.0.7 requires drupal/core 9.0.7 -> satisfiable by drupal/core(9.0.7).
    - Conclusion: don't install drupal/core 9.0.7
    - Conclusion: don't install drupal/core 8.9.7
    - drupal/core-recommended 9.0.6 requires drupal/core 9.0.6 -> satisfiable by drupal/core(9.0.6).
    - Conclusion: don't install drupal/core 9.0.6
    - Conclusion: don't install drupal/core 8.9.6
    - drupal/core-recommended 9.0.5 requires drupal/core 9.0.5 -> satisfiable by drupal/core(9.0.5).
    - Conclusion: don't install drupal/core 9.0.5
    - Conclusion: don't install drupal/core 8.9.5
    - drupal/core-recommended 9.0.4 requires drupal/core 9.0.4 -> satisfiable by drupal/core(9.0.4).
    - Conclusion: don't install drupal/core 9.0.4
    - Conclusion: don't install drupal/core 8.9.4
    - drupal/core-recommended 9.0.3 requires drupal/core 9.0.3 -> satisfiable by drupal/core(9.0.3).
    - Conclusion: don't install drupal/core 9.0.3
    - Conclusion: don't install drupal/core 8.9.3
    - drupal/core-recommended 9.0.2 requires drupal/core 9.0.2 -> satisfiable by drupal/core(9.0.2).
    - Conclusion: don't install drupal/core 9.0.2
    - Conclusion: don't install drupal/core 8.9.2
    - Installation request for typo3/phar-stream-wrapper (locked at v3.1.4, required as ^3.1) -> satisfiable by typo3/phar-stream-wrapper(v3.1.4).
    - Removal request for drupal/ckeditor_a11ychecker == 1.9999999.9999999.9999999-dev
    - Installation request for drupal/ckeditor_a11ychecker ^1.0 -> satisfiable by drupal/ckeditor_a11ychecker(1.0.0, 1.x-dev).
    - drupal/core-recommended 9.0.1 requires drupal/core 9.0.1 -> satisfiable by drupal/core(9.0.1).
    - Conclusion: don't install drupal/core 9.0.1
    - drupal/ckeditor_a11ychecker 1.0.0 requires drupal/core ^8 -> satisfiable by drupal/core(8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.1.0, 8.1.1, 8.1.10, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 8.1.8, 8.1.9, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.2.6, 8.2.7, 8.2.8, 8.3.0, 8.3.1, 8.3.2, 8.3.3, 8.3.4, 8.3.5, 8.3.6, 8.3.7, 8.3.8, 8.3.9, 8.4.0, 8.4.1, 8.4.2, 8.4.3, 8.4.4, 8.4.5, 8.4.6, 8.4.7, 8.4.8, 8.5.0, 8.5.1, 8.5.10, 8.5.11, 8.5.12, 8.5.13, 8.5.14, 8.5.15, 8.5.2, 8.5.3, 8.5.4, 8.5.5, 8.5.6, 8.5.7, 8.5.8, 8.5.9, 8.6.0, 8.6.1, 8.6.10, 8.6.11, 8.6.12, 8.6.13, 8.6.14, 8.6.15, 8.6.16, 8.6.17, 8.6.18, 8.6.2, 8.6.3, 8.6.4, 8.6.5, 8.6.6, 8.6.7, 8.6.8, 8.6.9, 8.7.0, 8.7.1, 8.7.10, 8.7.11, 8.7.12, 8.7.13, 8.7.14, 8.7.2, 8.7.3, 8.7.4, 8.7.5, 8.7.6, 8.7.7, 8.7.8, 8.7.9, 8.8.0, 8.8.1, 8.8.10, 8.8.11, 8.8.12, 8.8.2, 8.8.3, 8.8.4, 8.8.5, 8.8.6, 8.8.7, 8.8.8, 8.8.9, 8.9.0, 8.9.1, 8.9.10, 8.9.11, 8.9.12, 8.9.13, 8.9.2, 8.9.3, 8.9.4, 8.9.5, 8.9.6, 8.9.7, 8.9.8, 8.9.9).
    - Can only install one of: drupal/core(9.0.0, 8.0.0).
    - Can only install one of: drupal/core(9.0.0, 8.0.1).
    - Can only install one of: drupal/core(9.0.0, 8.0.2).
    - Can only install one of: drupal/core(9.0.0, 8.0.3).
    - Can only install one of: drupal/core(9.0.0, 8.0.4).
    - Can only install one of: drupal/core(9.0.0, 8.0.5).
    - Can only install one of: drupal/core(9.0.0, 8.0.6).
    - Can only install one of: drupal/core(9.0.0, 8.1.0).
    - Can only install one of: drupal/core(9.0.0, 8.1.1).
    - Can only install one of: drupal/core(9.0.0, 8.1.10).
    - Can only install one of: drupal/core(9.0.0, 8.1.2).
    - Can only install one of: drupal/core(9.0.0, 8.1.3).
    - Can only install one of: drupal/core(9.0.0, 8.1.4).
    - Can only install one of: drupal/core(9.0.0, 8.1.5).
    - Can only install one of: drupal/core(9.0.0, 8.1.6).
    - Can only install one of: drupal/core(9.0.0, 8.1.7).
    - Can only install one of: drupal/core(9.0.0, 8.1.8).
    - Can only install one of: drupal/core(9.0.0, 8.1.9).
    - Can only install one of: drupal/core(9.0.0, 8.2.0).
    - Can only install one of: drupal/core(9.0.0, 8.2.1).
    - Can only install one of: drupal/core(9.0.0, 8.2.2).
    - Can only install one of: drupal/core(9.0.0, 8.2.3).
    - Can only install one of: drupal/core(9.0.0, 8.2.4).
    - Can only install one of: drupal/core(9.0.0, 8.2.5).
    - Can only install one of: drupal/core(9.0.0, 8.2.6).
    - Can only install one of: drupal/core(9.0.0, 8.2.7).
    - Can only install one of: drupal/core(9.0.0, 8.2.8).
    - Can only install one of: drupal/core(9.0.0, 8.3.0).
    - Can only install one of: drupal/core(9.0.0, 8.3.1).
    - Can only install one of: drupal/core(9.0.0, 8.3.2).
    - Can only install one of: drupal/core(9.0.0, 8.3.3).
    - Can only install one of: drupal/core(9.0.0, 8.3.4).
    - Can only install one of: drupal/core(9.0.0, 8.3.5).
    - Can only install one of: drupal/core(9.0.0, 8.3.6).
    - Can only install one of: drupal/core(9.0.0, 8.3.7).
    - Can only install one of: drupal/core(9.0.0, 8.3.8).
    - Can only install one of: drupal/core(9.0.0, 8.3.9).
    - Can only install one of: drupal/core(9.0.0, 8.4.0).
    - Can only install one of: drupal/core(9.0.0, 8.4.1).
    - Can only install one of: drupal/core(9.0.0, 8.4.2).
    - Can only install one of: drupal/core(9.0.0, 8.4.3).
    - Can only install one of: drupal/core(9.0.0, 8.4.4).
    - Can only install one of: drupal/core(9.0.0, 8.4.5).
    - Can only install one of: drupal/core(9.0.0, 8.4.6).
    - Can only install one of: drupal/core(9.0.0, 8.4.7).
    - Can only install one of: drupal/core(9.0.0, 8.4.8).
    - Can only install one of: drupal/core(9.0.0, 8.5.0).
    - Can only install one of: drupal/core(9.0.0, 8.5.1).
    - Can only install one of: drupal/core(9.0.0, 8.5.2).
    - Can only install one of: drupal/core(9.0.0, 8.5.3).
    - Can only install one of: drupal/core(9.0.0, 8.5.4).
    - Can only install one of: drupal/core(9.0.0, 8.5.5).
    - Can only install one of: drupal/core(9.0.0, 8.5.6).
    - Can only install one of: drupal/core(9.0.0, 8.5.7).
    - Can only install one of: drupal/core(9.0.0, 8.5.8).
    - Can only install one of: drupal/core(9.0.0, 8.6.0).
    - Can only install one of: drupal/core(9.0.0, 8.6.1).
    - Can only install one of: drupal/core(9.0.0, 8.6.2).
    - Can only install one of: drupal/core(9.0.0, 8.6.3).
    - Can only install one of: drupal/core(9.0.0, 8.6.4).
    - Can only install one of: drupal/core(9.0.0, 8.6.5).
    - Can only install one of: drupal/core(9.0.0, 8.8.0).
    - Can only install one of: drupal/core(9.0.0, 8.8.1).
    - Can only install one of: drupal/core(9.0.0, 8.8.10).
    - Can only install one of: drupal/core(9.0.0, 8.8.11).
    - Can only install one of: drupal/core(9.0.0, 8.8.12).
    - Can only install one of: drupal/core(9.0.0, 8.8.2).
    - Can only install one of: drupal/core(9.0.0, 8.8.3).
    - Can only install one of: drupal/core(9.0.0, 8.8.4).
    - Can only install one of: drupal/core(9.0.0, 8.8.5).
    - Can only install one of: drupal/core(9.0.0, 8.8.6).
    - Can only install one of: drupal/core(9.0.0, 8.8.7).
    - Can only install one of: drupal/core(9.0.0, 8.8.8).
    - Can only install one of: drupal/core(9.0.0, 8.8.9).
    - Can only install one of: drupal/core(9.0.0, 8.9.0).
    - Can only install one of: drupal/core(9.0.0, 8.9.1).
    - drupal/core-recommended 9.0.0 requires drupal/core 9.0.0 -> satisfiable by drupal/core(9.0.0).
    - Installation request for drupal/core-recommended ^9 -> satisfiable by drupal/core-recommended(9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9, 9.1.0, 9.1.1, 9.1.2, 9.1.3, 9.1.4).

When I run composer require drupal/core-recommended I get :

Using version ^9.1 for drupal/core-recommended
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for typo3/phar-stream-wrapper (locked at v3.1.4, required as ^3.1) -> satisfiable by typo3/phar-stream-wrapper(v3.1.4).
    - drupal/core-recommended 9.1.1 requires drupal/core 9.1.x-dev -> satisfiable by drupal/core(9.1.x-dev) but these conflict with your requirements or minimum-stability.
    - drupal/core-recommended 9.1.0 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.2 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.3 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - drupal/core-recommended 9.1.4 requires typo3/phar-stream-wrapper v3.1.6 -> satisfiable by typo3/phar-stream-wrapper(v3.1.6).
    - Conclusion: don't install typo3/phar-stream-wrapper v3.1.6
    - Installation request for drupal/core-recommended ^9.1 -> satisfiable by drupal/core-recommended(9.1.0, 9.1.1, 9.1.2, 9.1.3, 9.1.4).


Installation failed, reverting ./composer.json to its original content.

Not sure what to do. I thought changing my min stability from ‘dev’ to ‘stable’ per the notes on upgrading to Drupal 9.1 would be enough but it still won’t upgrade. Any help would be appreciated

How can I open My ubuntu , when I was upgrading to 18.04 . Now it is not opening

Ubuntu is not opening . I was upgrading to 18.04 that time the net was gone . That time something displayed that says couldn’t upgrade system. After when I opened my laptop I couldn’t open ubuntu. In this laptop two operating systems windows and ubuntu . Now when I open windows is starting automatically. How can I open
ubuntu ?

linux – Upgrading GNU screen in-place without restarting

I am looking into upgrading GNU screen following CVE-2021-26937. My question is simple: can I upgrade GNU screen without restarting my current screen, e.g., by a kind of in-place upgrade mechanism where the new version of screen would take over the file descriptors from a screen launched with the old version or something like that? Or do I need to restart my screen session when upgrading?

android – Framerate drop from 160 to 56-59 when upgrading Unity to 2020

I just updated to Unity 2020.2 from Unity 2019.4. I use Ubuntu 2020.10. Everything is super fast but the framerate is less than 60 FPS, precisely between 56 and 59 FPS, for all my Android project. With Unity 2019.4, it was more than 160 FPS. Even Unity Sample scene has this framerate.

Is this bug on my laptop or a configuration set by Unity? How can I edit it to get my previous framerate?

enter image description here

Upgrading to Mac OS 10.15.7 has erased contacts out of my iCloud conacts book

After upgrading to Mac OS 10.15.7, two contacts who are on my “Favorites” list appear to have their contact records removed from iCloud — my brother and my doctor office.
The numbers continue to appera in the Favorates list (on my iphone), but since the contact records are gone now show their numbers instead of their names.

I cannot locate the contact records in Contacts (app) on the mac, or in the Contacts app on the phone. I also cannot locate these records in the iCloud.com through access to my icloud account.

they appear to just be vanished completely out of icloud, which is very concerning because I do not know what the scope or impact of this is.

upgrade – How to prevent/ Ubuntu from ever upgrading the “Ubuntu Version”

I want to run PetaLinux. It only supports specific Ubuntu Versions like 18.04.4.
So I guess if I ever upgrade to 18.04.5 or higher it wont work anymore?

What’s the best way to prevent Ubuntu from upgrading considering I need to work with it and Upgrade some packages etc.?

What is the best Backup method to preserve the Version?
Do I always need to create an Image of the whole partition or can I use some Ubuntu tools from within the running system to do so?