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wtsang11 / TechExplore

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Device Administration #160

Open wtsang11 opened 3 years ago

wtsang11 commented 3 years ago

Using Udev for Device Detection and Management

https://www.tecmint.com/udev-for-device-detection-management-in-linux/

wtsang11 commented 3 years ago

Example:

udevadm info /dev/disk/by-label/boot P: /devices/platform/emmc2bus/fe340000.emmc2/mmc_host/mmc0/mmc0:0001/block/mmcblk0/mmcblk0p1 N: mmcblk0p1 L: 0 S: disk/by-path/platform-fe340000.emmc2-part1 S: disk/by-uuid/7616-4FD8 S: disk/by-partuuid/42644b59-01 S: disk/by-id/mmc-00000_0x00000985-part1 S: disk/by-label/boot E: DEVPATH=/devices/platform/emmc2bus/fe340000.emmc2/mmc_host/mmc0/mmc0:0001/block/mmcblk0/mmcblk0p1 E: DEVNAME=/dev/mmcblk0p1 E: DEVTYPE=partition E: PARTN=1 E: MAJOR=179 E: MINOR=1 E: SUBSYSTEM=block E: USEC_INITIALIZED=4880927 E: ID_NAME=00000 E: ID_SERIAL=0x00000985 E: ID_PATH=platform-fe340000.emmc2 E: ID_PATH_TAG=platform-fe340000_emmc2 E: ID_PART_TABLE_UUID=42644b59 E: ID_PART_TABLE_TYPE=dos E: ID_DRIVE_FLASH_SD=1 E: ID_DRIVE_MEDIA_FLASH_SD=1 E: ID_FS_LABEL=boot E: ID_FS_LABEL_ENC=boot E: ID_FS_UUID=7616-4FD8 E: ID_FS_UUID_ENC=7616-4FD8 E: ID_FS_VERSION=FAT32 E: ID_FS_TYPE=vfat E: ID_FS_USAGE=filesystem E: ID_PART_ENTRY_SCHEME=dos E: ID_PART_ENTRY_UUID=42644b59-01 E: ID_PART_ENTRY_TYPE=0xc E: ID_PART_ENTRY_NUMBER=1 E: ID_PART_ENTRY_OFFSET=8192 E: ID_PART_ENTRY_SIZE=524288 E: ID_PART_ENTRY_DISK=179:0 E: DEVLINKS=/dev/disk/by-path/platform-fe340000.emmc2-part1 /dev/disk/by-uuid/7616-4FD8 /dev/disk/by-partuuid/42644b59-01 /dev/disk/by-id/mmc-00000_0x00000985-part1 /dev/disk/by-label/boot E: TAGS=:systemd: