cd /volume2/XTRM_DSM/_VideoStation/
mkdir `date +%Y%m%d`
echo 사용자번호_사용자명 >> /volume2/XTRM_DSM/_VideoStation/`date +%Y%m%d`/사용자명_`date +%Y%m%d`.txt;
psql -U postgres -d video_metadata -c "select (select path from video_file where id =video_file_id) from watch_status where uid = 사용자번호" >> /volume2/XTRM_DSM/_VideoStation/`date +%Y%m%d`/사용자명_`date +%Y%m%d`.txt;
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관리자 권한 : sudo -i
사용자 목록 : cat /etc/passwd
DB접근 : su postgres
DB선택 : psql video_metadata
명령어 : select (select path from video_file where id =video_file_id) from watch_status where uid = 1234;