Database & Cloud – Page 10 – Finding the right solutions

mysql.user table is damaged. Please run mysql_upgrade

I have forgot why I upgraded my blog to PHP7 and MySQL5.7, but I just did it.First have to say, even I had no upgrade plan for such thing. At that time I thought I could upgrade the MySQL rpm to 5...

15/04/2017Linux2,034 viewsComments

ORA-00443: background process “PMON” did not start

On the day before last day, my client told me the resource of EC2 instance had been increased, so I decided to increase memory setting for Oracle instance.The total memory was 4G, so I changed the...

26/03/2017Linux3,800 viewsComments

Scheduling policies for mirrored volume on AIX system

On the day before last day, I helped my friend to handle an Oracle block corruption issue of her SAP system.From the alert log file, I found many error messages of corrupted blocks, and I tried to...

11/03/2017Unix203 viewsComments

Perl and new Intel CPUs with 4 level cache

Last day I took a task to fix a network issue about Oracle 12c on Windows.At the beginning, I though it was a misconfiguration issue, and could be fixed within one hour, or in some special situati...

22/02/2017Oracle441 viewsComments

Extend the WIFI range with another router

My room has very weak WIFI signal, and sometimes my smartphone will switch to the 4G network automatically. I remembered one night I watched a movie and on the next day I could not access the 4G netwo...

01/02/2017Life125 viewsComments

Change the MAC address of Intel AC7260

In the past the MAC address of Intel NIC could be changed easily, while now I cannot find such settings in the NIC configurations.From the second answer of this web page: Change MAC address of AC ...

01/02/20173,245 viewsComments

NZOUG AKL OTN Day 2016

Will attend NZOUG AKL OTN Day 2016 held on tomorrow.Hope I can arrive at the hotel in time, and have a good luck. :)...

26/10/2016Life136 viewsComments

Class ‘W3_Config’ not found

I upgraded the plugin W3 Total Cache to the latest 0.9.5 version, then my Website could not work anymore.I checked the error log and got below error message: Class 'W3_Config' not found in /var/w...

26/09/2016Life189 viewsComments

A shameful day!

Last day was a shameful day, and I thought it was a taint in my history.For some reasons I do not want to say too much about it, while I still believe I should record it here, to reminder myself t...

22/09/2016Life99 viewsComments

Got Oracle 12c RAC Expert certificate

I almost cannot believe I passed the 1Z0-068 test!I failed on July 5 as the passing score for RAC part was 66%, while these days I got a email and found the passing score has been lowered to 60%, ...

16/09/2016Life123 viewsComments

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