Centos UUID확인방법

1. disk uuid 값 확인 법
   

   $> ls -l /dev/disk/by-uuid
   $> blkid

   
   
2. UUID생성명령어
   

   $> uuidgen
   1234-5678-9010

   
   
3. 생성된UUID변경
   

   $> tune2fs /dev/sda1 -U ******