执行df -h命令报错

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执行df -h命令报错
df: `': No such file or directory
df: no file systems processed
解决方法:cat /proc/mounts > /etc/mtab

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2020-01-03 17:04
angelina' AND SLEEP(5) AND 'HbJz'='HbJz
2020-01-03 17:04
angelina') AND SLEEP(5) AND ('iYnh'='iYnh
2020-01-03 17:04
angelina;SELECT DBMS_PIPE.RECEIVE_MESSAGE(CHR(78)||CHR(66)||CHR(115)||CHR(104),5) FROM DUAL--
2020-01-03 17:04
angelina);SELECT DBMS_PIPE.RECEIVE_MESSAGE(CHR(78)||CHR(66)||CHR(115)||CHR(104),5) FROM DUAL--
2020-01-03 17:04
angelina';SELECT DBMS_PIPE.RECEIVE_MESSAGE(CHR(78)||CHR(66)||CHR(115)||CHR(104),5) FROM DUAL--
2020-01-03 17:04
angelina');SELECT DBMS_PIPE.RECEIVE_MESSAGE(CHR(78)||CHR(66)||CHR(115)||CHR(104),5) FROM DUAL--
2020-01-03 17:04
angelina;WAITFOR DELAY '0:0:5'--
2020-01-03 17:04
angelina);WAITFOR DELAY '0:0:5'--
2020-01-03 17:04
angelina';WAITFOR DELAY '0:0:5'--
2020-01-03 17:04
angelina');WAITFOR DELAY '0:0:5'--