linux 中定位 oracle alert报错信息

参数解释：-C 3：显示ORA- 报错上三行以及下三行信息-n 100：100行中寻找是否有ORA-报错信息 [oracle@xiong:/oracle/app/oracle/diag/rdbms/itpuxdb/itpuxdb/trace]$ tail -n 100 alert_itpuxdb.log |grep -C 3 ORA-Time drifts can result in an unexpected behavior such as time-outs. Please check trace file for more details.Tue Mar 17 14:58:27 2020 ALTER DATABASE CLEAR LOGFILE GROUP 1ORA-1624 signalled during:  ALTER DATABASE CLEAR LOGFILE GROUP 1...Tue Mar 17 20:59:06 2020Warning: VKTM detected a time drift.Time drifts can result in an unexpected behavior such as time-outs. Please check trace file for more details.[oracle@xiong:/oracle/app/oracle/diag/rdbms/itpuxdb/itpuxdb/trace]$