SYSTEMD-ID128(1) systemd-id128 SYSTEMD-ID128(1) systemd-id128 - sd-128 systemd-id128 [...] new systemd-id128 [...] machine-id systemd-id128 [...] boot-id systemd-id128 [...] invocation-id systemd-id128 [...] var-partition-uuid systemd-id128 [...] show [|UUID...] id128 UUIDs sd-id128(3) . . new . machine-id . machine-id(5). boot-id . invocation-id . systemd. systemd.exec(5). show ( UUIDs GPT) . . ID . --uuid UUID UUIDs GPT. machine-id boot-id show --app-specific=app-id . sd_id128_get_machine(3) . show --app-specific= 255. var-partition-uuid UUID UAPI.2[1] UUID GPT /var/ GPT /etc/machine-id . 257. : -p, --pretty . 240. -P, --value . -u/--uuid. 255. -a -, --app-specific=- - . - sd-id128 . machine-id machine-id(5) boot-id show . 240. -u, --uuid UUID " " . [2] . 244. --no-pager (pager). --no-legend . --json= JSON. : "short" ( ) "pretty" ( ) "off" ( JSON ). -j --json=pretty --json=short . -h --help . --version . 0 . 1. UUID $ systemd-id128 show --value user-home 773f91ef66d449b5bd83d683bf40ad16 $ systemd-id128 show --value --uuid user-home 773f91ef-66d4-49b5-bd83-d683bf40ad16 $ systemd-id128 show 773f91ef-66d4-49b5-bd83-d683bf40ad16 NAME ID user-home 773f91ef66d449b5bd83d683bf40ad16 2. UUID $ systemd-id128 machine-id -u 3a9d668b-4db7-4939-8a4a-5e78a03bffb7 $ systemd-id128 new -u 1fb8f24b-02df-458d-9659-cc8ace68e28a $ systemd-id128 machine-id -u -a 1fb8f24b-02df-458d-9659-cc8ace68e28a 47b82cb1-5339-43da-b2a6-1c350aef1bd1 $ systemd-id128 -Pu show 3a9d668b-4db7-4939-8a4a-5e78a03bffb7 \ -a 1fb8f24b-02df-458d-9659-cc8ace68e28a 47b82cb1-5339-43da-b2a6-1c350aef1bd1 3a9d668b-4db7-4939-8a4a-5e78a03bffb7 1fb8f24b-02df-458d-9659-cc8ace68e28a (47b82cb1-5339-43da-b2a6-1c350aef1bd1). show. systemd(1) sd-id128(3) sd_id128_get_machine(3) 1. UAPI.2 https://uapi-group.org/specifications/specs/discoverable_partitions_specification 2. https://en.wikipedia.org/wiki/Universally_unique_identifier#Format 3 . . : . systemd 260.2 SYSTEMD-ID128(1)