{
    "mode": "man",
    "parameter": "uts_namespaces",
    "section": "7",
    "url": "https://www.chedong.com/phpMan.php/man/uts_namespaces/7/json",
    "generated": "2026-09-13T01:39:23Z",
    "sections": {
        "NAME": {
            "content": "utsnamespaces - overview of Linux UTS namespaces\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "UTS  namespaces  provide isolation of two system identifiers: the hostname and the NIS domain\nname.  These identifiers are set using sethostname(2) and setdomainname(2), and  can  be  re‐\ntrieved  using uname(2), gethostname(2), and getdomainname(2).  Changes made to these identi‐\nfiers are visible to all other processes in the same UTS namespace, but are  not  visible  to\nprocesses in other UTS namespaces.\n\nWhen a process creates a new UTS namespace using clone(2) or unshare(2) with the CLONENEWUTS\nflag, the hostname and domain name of the new UTS namespace are copied from the corresponding\nvalues in the caller's UTS namespace.\n\nUse of UTS namespaces requires a kernel that is configured with the CONFIGUTSNS option.\n",
            "subsections": []
        },
        "SEE ALSO": {
            "content": "nsenter(1),  unshare(1),  clone(2), getdomainname(2), gethostname(2), setns(2), uname(2), un‐\nshare(2), namespaces(7)\n\nLinux man-pages 6.7                          2023-10-31                            utsnamespaces(7)",
            "subsections": []
        }
    },
    "summary": "utsnamespaces - overview of Linux UTS namespaces",
    "flags": [],
    "examples": [],
    "see_also": [
        {
            "name": "nsenter",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/nsenter/1/json"
        },
        {
            "name": "unshare",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/unshare/1/json"
        },
        {
            "name": "clone",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/clone/2/json"
        },
        {
            "name": "getdomainname",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/getdomainname/2/json"
        },
        {
            "name": "gethostname",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/gethostname/2/json"
        },
        {
            "name": "setns",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/setns/2/json"
        },
        {
            "name": "uname",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/uname/2/json"
        },
        {
            "name": "share",
            "section": "2",
            "url": "https://www.chedong.com/phpMan.php/man/share/2/json"
        },
        {
            "name": "namespaces",
            "section": "7",
            "url": "https://www.chedong.com/phpMan.php/man/namespaces/7/json"
        }
    ]
}