Henry Xie 's blog

Symptom： Issue is that we can't drop a user from sqlplus SQL>  select object_name , OBJECT_TYPE,CREATED , STATUS from dba_objects ...

Symptom:   We have 2 or more miditers running behind F5 bigip, we need to login specific node via bigip, instead of chosen by bigip itself...

Symptom:   When we have 2 or more Midtiers running behind F5 bigip,  we are easy to be confused with which node my Chrome is on.  Especial...

Symptom:    When you try to create a new directory in HDFS via hadoop fs -mkdir  /user/test Error is: mkdir: Permission denied: user=or...

Symptom:     In your corporate network, there is no access to outside public IP address. We need to putty into public cloud VMs to  check ...