SYSTEMD-MACHINE-ID-SETUP

NAME
SYNOPSIS
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NOTES
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NAME

systemd-machine-id-setup - åå§å /etc/machine-id æ件

SYNOPSIS

systemd-machine-id-setup

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systemd-machine-id-setup å¯è¢«æä½ç³»ç»å®è£ç¨åºç¨æ¥åå§å /etc/machine-id ä¸ç"machine ID"å¼ï¼ å¯ä»¥è®¾ä¸ºä¸ä¸ªæå®å¼ï¼ä¹å¯ä»¥è®¾ä¸ºä¸ä¸ªéæºçæçå¼ãè¯¦è§ machine-id(5) æåã

å¦æ没ææç¡®ä½¿ç¨ --commit éé¡¹å¹¶ä¸ /etc/machine-id ä¸åå¨æå¶ä¸- çå¼ä¸åæ ¼ï¼ é£ä¹å°åå§åä¸ä¸ªæ°ç"machined ID"ã æ¤æ°"machine ID"å°ä¾æ¬¡ä½¿ç¨ä¸åæ¹æ³è·å¾ï¼

1. å¦æå·²ç»åå¨ä¸ä¸ªææç D-Bus "machine ID"ï¼ é£ä¹å°±ä½¿ç¨æ¤ D-Bus "machine ID" æ¥åå§å /etc/machine-id æ件ã

2. å¦æè¿è¡å¨å·²ç»éç½®äºUUID(éè¿ -uuid é项)çKVMèææºä¸ï¼ é£ä¹å°±ä½¿ç¨æ- ¤UUIDæ¥åå§å /etc/machine-id æ件ã KVMèææºçå建è å¿é¡»ç¡®ä¿UUIDçå¯ä¸æ§ã

3. å¦æè¿è¡å¨å·²ç»éç½®äºUUIDçLinux容å¨ä¸ï¼ é£ä¹å°±ä½¿ç¨æ¤UUIDæ¥åå§å /etc/machine-id æ件ã è¯¦è§ Container Interface [1] ææ¡£ã

4. å¦æä¸è¿°æ¹æ³é½ä¸å¯ç¨ï¼ é£ä¹éæºçæä¸ä¸ªæ°ç"machine ID"æ¥åå§å /etc/machine-id æ件ã

å¯ä»¥ä½¿ç¨ --commit é项å°æ°çæç临æ¶"machine ID"åå¥å°ç£çä¸æ°¸ä¹ä¿åã 详è§ä¸æã

å¯ä»¥ä½¿ç¨ systemd-firstboot(1) åå§åå·²æè½½(ä½æªå¯å¨)çç³»ç»éåç"machine ID"ã

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è½å¤è¯å«çå½ä»¤è¡é项å¦ä¸ï¼

--root=root

æå®ä¸ä¸ª"æ ¹ç®å½"ï¼ åæ¬éç½®æ件å¨åçææè·¯å¾é½å°å ä¸ root åç¼ï¼åæ¬ /etc/machine-id èªèº«ã

--commit

å°çæç临æ¶"machine ID"åå¥å°ç£çä¸æ°¸ä¹ä¿åã æè°"临æ¶"çæææ¯æå¨ ç³»ç»å¯å¨çæ©æç»å®æè½½ç "tmpfs" æ件系ç»ä¸ç /etc/machine-id æ件ã è¿å¯è½æ¯ç±äºå¨ç³»ç»å¯å¨çæ©æï¼ /etc ä¾ç¶å¤äºåªè¯»ç¶æ 并ä¸å¶ä¸- 并ä¸åå«åæ ¼ç /etc/machine-id æ件ã

å¦æ /etc/machine-id æªè¢«ç»å®æè½½å° "tmpfs" æ件系ç»ï¼ æè /etc å¤äºåªè¯»ç¶æï¼ é£ä¹æ¤é项å°ä¸æ§è¡ä»»ä½æä½ã å¦åï¼æ- ¤å½ä»¤å°ä¼æ临æ¶çæç"machine ID"åå¥å°ç£çä¸ï¼ ç¶åå¸è½½ /etc/machine-id æå¨çæ件系ç»ï¼ 以确ä¿"machine ID"ç¡®å®è¢«æ°¸ä¹ä¿åã

æ¤é项主è¦è¢«ç³»ç»å¯å¨æ©æç systemd-machine-id-commit.service(8) 使ç¨ã

--print

æä½å®æä¹åæå°åº"machine ID"çå¼

-h, --help

æ¾ç¤ºç®çç帮å©ä¿¡æ¯å¹¶éåºã

--version

æ¾ç¤ºç®çççæ¬ä¿¡æ¯å¹¶éåºã

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åè§

systemd(1), machine-id(5), systemd-machine-id-commit.service(8), dbus-uuidgen(1), systemd-firstboot(1)

NOTES

1.

Container Interface

http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface

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æ¬é¡µé¢ä¸æçç±ä¸æ man æå页计åæä¾ã

ç¿»è¯äººåï¼éæ¥å½
éæ¥å½ä½åéï¼http://www.jinbuguo.com
ä¸æ man æå页计åï¼https://github.com/man-pages-zh/manpages-zh

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