{
    "content": [
        {
            "type": "text",
            "text": "# systemd-fsckd.service(8) (man)\n\n**Summary:** systemd-fsckd.service, systemd-fsckd.socket, systemd-fsckd - File system check progress reporting\n\n**Synopsis:** systemd-fsckd.service\nsystemd-fsckd.socket\n/lib/systemd/systemd-fsckd\n\n## Flags\n\n| Flag | Long | Arg | Description |\n|------|------|-----|-------------|\n| -h | --help | — | Print a short help text and exit. |\n| — | --version | — | Print a short version string and exit. |\n\n## See Also\n\n- systemd(1)\n- systemd-fsck(8)\n- fsck(8)\n- systemd-quotacheck.service(8)\n- fsck.btrfs(8)\n- fsck.cramfs(8)\n- fsck.ext4(8)\n- fsck.fat(8)\n- fsck.hfsplus(8)\n- fsck.minix(8)\n- fsck.ntfs(8)\n- fsck.xfs(8)\n- SYSTEMD-FSCKD.SERVICE(8)\n\n## Section Outline\n\n- **NAME** (3 lines)\n- **SYNOPSIS** (6 lines)\n- **DESCRIPTION** (15 lines)\n- **PROTOCOL FOR COMMUNICATION WITH PLYMOUTH** (21 lines)\n- **OPTIONS** (2 lines) — 2 subsections\n  - -h --help (2 lines)\n  - --version (2 lines)\n- **EXIT STATUS** (3 lines)\n- **SEE ALSO** (7 lines)\n\n## Full Content\n\n### NAME\n\nsystemd-fsckd.service, systemd-fsckd.socket, systemd-fsckd - File system check progress\nreporting\n\n### SYNOPSIS\n\nsystemd-fsckd.service\n\nsystemd-fsckd.socket\n\n/lib/systemd/systemd-fsckd\n\n### DESCRIPTION\n\nsystemd-fsckd.service is a service responsible for receiving file system check progress, and\ncommunicating some consolidated data to console and plymouth (if running). It also handles\npossible check cancellations.\n\nsystemd-fsckd receives messages about file system check progress from fsck through an UNIX\ndomain socket. It can display the progress of the least advanced fsck as well as the total\nnumber of devices being checked in parallel to the console. It will also send progress\nmessages to plymouth. Both the raw data and translated messages are sent, so compiled\nplymouth themes can use the raw data to display custom messages, and scripted themes, not\nsupporting i18n, can display the translated versions.\n\nsystemd-fsckd will instruct plymouth to grab Control+C keypresses. When the key is pressed,\nrunning checks will be terminated. It will also cancel any newly connected fsck instances for\nthe lifetime of systemd-fsckd.\n\n### PROTOCOL FOR COMMUNICATION WITH PLYMOUTH\n\nsystemd-fsckd passes the following messages to the theme:\n\nProgress update, sent as a plymouth update message: \"fsckd:<numdevices>:<progress>:<string>\"\n\n\"<numdevices>\"\nthe current number of devices being checked (int)\n\n\"<progress>\"\nthe current minimum percentage of all devices being checking (float, from 0 to 100)\n\n\"<string>\"\na translated message ready to be displayed by the plymouth theme displaying the data\nabove. It can be overridden by themes supporting i18n.\n\nCancel message, sent as a traditional plymouth message: \"fsckd-cancel-msg:<string>\"\n\n\"<strings>\"\na translated string ready to be displayed by the plymouth theme indicating that Control+C\ncan be used to cancel current checks. It can be overridden (matching only\n\"fsckd-cancel-msg\" prefix) by themes supporting i18n.\n\n### OPTIONS\n\nThe following options are understood:\n\n#### -h --help\n\nPrint a short help text and exit.\n\n#### --version\n\nPrint a short version string and exit.\n\n### EXIT STATUS\n\nOn success, 0 is returned, a non-zero failure code otherwise. Note that the daemon stays idle\nfor a while to accept new fsck connections before exiting.\n\n### SEE ALSO\n\nsystemd(1), systemd-fsck(8), fsck(8), systemd-quotacheck.service(8), fsck.btrfs(8),\nfsck.cramfs(8), fsck.ext4(8), fsck.fat(8), fsck.hfsplus(8), fsck.minix(8), fsck.ntfs(8),\nfsck.xfs(8)\n\n\n\nsystemd 249                                                                 SYSTEMD-FSCKD.SERVICE(8)\n\n"
        }
    ],
    "structuredContent": {
        "command": "systemd-fsckd.service",
        "section": "8",
        "mode": "man",
        "summary": "systemd-fsckd.service, systemd-fsckd.socket, systemd-fsckd - File system check progress reporting",
        "synopsis": "systemd-fsckd.service\nsystemd-fsckd.socket\n/lib/systemd/systemd-fsckd",
        "tldr_summary": null,
        "tldr_examples": [],
        "tldr_source": null,
        "flags": [
            {
                "flag": "-h",
                "long": "--help",
                "arg": null,
                "description": "Print a short help text and exit."
            },
            {
                "flag": "",
                "long": "--version",
                "arg": null,
                "description": "Print a short version string and exit."
            }
        ],
        "examples": [],
        "see_also": [
            {
                "name": "systemd",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/systemd/1/json"
            },
            {
                "name": "systemd-fsck",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/systemd-fsck/8/json"
            },
            {
                "name": "fsck",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck/8/json"
            },
            {
                "name": "systemd-quotacheck.service",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/systemd-quotacheck.service/8/json"
            },
            {
                "name": "fsck.btrfs",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.btrfs/8/json"
            },
            {
                "name": "fsck.cramfs",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.cramfs/8/json"
            },
            {
                "name": "fsck.ext4",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.ext4/8/json"
            },
            {
                "name": "fsck.fat",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.fat/8/json"
            },
            {
                "name": "fsck.hfsplus",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.hfsplus/8/json"
            },
            {
                "name": "fsck.minix",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.minix/8/json"
            },
            {
                "name": "fsck.ntfs",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.ntfs/8/json"
            },
            {
                "name": "fsck.xfs",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/fsck.xfs/8/json"
            },
            {
                "name": "SYSTEMD-FSCKD.SERVICE",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/SYSTEMD-FSCKD.SERVICE/8/json"
            }
        ],
        "section_outline": [
            {
                "name": "NAME",
                "lines": 3,
                "subsections": []
            },
            {
                "name": "SYNOPSIS",
                "lines": 6,
                "subsections": []
            },
            {
                "name": "DESCRIPTION",
                "lines": 15,
                "subsections": []
            },
            {
                "name": "PROTOCOL FOR COMMUNICATION WITH PLYMOUTH",
                "lines": 21,
                "subsections": []
            },
            {
                "name": "OPTIONS",
                "lines": 2,
                "subsections": [
                    {
                        "name": "-h --help",
                        "lines": 2,
                        "flag": "-h",
                        "long": "--help"
                    },
                    {
                        "name": "--version",
                        "lines": 2,
                        "long": "--version"
                    }
                ]
            },
            {
                "name": "EXIT STATUS",
                "lines": 3,
                "subsections": []
            },
            {
                "name": "SEE ALSO",
                "lines": 7,
                "subsections": []
            }
        ]
    }
}