When we change the parameters in the RAC systems, I always recommend to specify the SID clause clearly, which means you know which or all instances will be modified.If you ignore it, the result wi...
Create Kubernetes 1.21.0 on Ubuntu 18.04
These days I created a K8s 1.21.0 cluster on Ubuntu 18.04 to prepare the CKA exam, and found there are some tips which could be shared here.To make it simple, the cluster is based on CRI-O contain...
Fix the oxc000007b error on windows 10
My nephew installed Battlefield 1 on his laptop while he always got 'oxc000007b' error when he launched it. Usually I would like not to deal with personal Windows machines as a variety of software cou...
How to recreate the lost ASM password in Oracle Clusterware?
Last night my friend called me to check the network service issue after she added two SCAN IPs to one RAC system.She added these two IPs to resolve load balance issue as the customer found the con...
How to fix permission issues of Oracle RAC?
In last month, one engineer of our customers made a mistake and changed the file permissions of the whole RAC database wrongly, including GI and DB home.Of course the clusterware could not be star...
Print spooler failed to start with error 0x800706b9
Could not believe it took me more than 3 hours to just install a printer!Just now helped one relative to install HP printer on Sureface and always failed. At the beginning the driver could not be ...
Some issues during the Oracle RAC installation on openSUSE 15.2
In last week, I installed an Oracle RAC on openSUSE 15.2 and got some issues. Although the installation was successful finally, it still took me much more time than the same thing on RHEL.I list t...
IPv6 in DSM worked finally
For a long long time, I could not make the IPv6 in the DSM to work. I tried and did a lot of tests to resolve this issue but all of them failed.I did feel frustrated especially I had been upgraded...
Have to disable Crayon Syntax Highlighter
In my view, Crayon Syntax Highlighter is the best Syntax Highlighter plugin and I installed it from the beginning when I deployed my first WordPress website.While now it is not updated for a long ...
Install Oracle 11gR2 on RHEL8
First of all, I do not recommend to install Oracle 11gR2 on RHEL8, especially in the production environments.While if you have to do such installation for test or data migration, then you could re...