Database & Cloud – Page 11 – Finding the right solutions

Read workshop of 12c now

I have read the new features of 12c for DBA, today begin to read workshop for guides. I plan to read the workshop first, then read the new features again, and after that, I will take the upgrade test ...

30/12/2015Oracle129 viewsComments

VirtualBox VM caused system hung after laptop upgrade

In last week I upgraded my laptop from T420s to E485 to get maximum 32G memory also because the T420s was so old and the cooling system worked inefficiently, so during the summer it would become slowe...

10/06/2019Oracle129 viewsComments

The difference between IP address and Hostname when creating SSH User Equivalency

I provided a 12c RAC step-by-step installation guide to client and he got issue during the deployment. Be specific, he failed the SSH User Equivalency: [grid@rac122-1 ~]$ ssh -o FallBackToRsh=no -o P...

16/07/2019Linux128 viewsComments

Let the ssh-agent choose the right key for different GitHub accounts

I tried to clone several repositories in two different GitHub accounts and I found even such simple task took me several hours and the main issue was that the ssh-agent always provided the cached keys...

06/11/2021Program126 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

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%, ...

16/09/2016Oracle123 viewsComments

Will store all my database related scripts on GitHub

I will rewrite all my database related scripts and store them on the GitHub in this year.Will update them one by one as below order:orabackup --> one script for all database backup or...

08/06/2018Life123 viewsComments

Waiting for new Student Visa

My current Open Work Visa will be expired soon and we could not back to China in a short period, so I have to apply for a Student Visa to begin my study in Master of Information Technology, then my wi...

08/07/2020Life123 viewsComments

Hard to select suitable theme/skin

I hope Wordpress and Mediawiki could have almost the same appearance, while it's too hard to find a perfect one. Now I can not spend too much time on this issue, and the current one is acceptable for...

16/12/2014Life122 viewsComments

ThinkPad E485 memory compatibility issue

For a long time I used my old T420s laptop as primary device while it could only support 16G memory. So at the beginning of June, I bought a new laptop ThinkPad E485 which had 8 CPU cores and could su...

22/08/2019121 viewsComments

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