Author Archives: itdoctor - Page 3
Install MineCraftPE Server
My son was asking me to help him set up a server so that he can play with his friends – and i found this , easy to do....
MacOS: why i sometimes i can’t move windows between 2 monitors?
In your setup, you have 2 monitors but you find that sometimes you can move the window between easily, sometimes you can not. The problem here is that: when...
SignalFX – Jaeger -HotRod
Just imagine, you have an application that is using Jaeger as the backend, but now you want to switch to SignalFX. This is do able. Below is the steps...
Redhat: No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK
When i tried to test this when i run this command ./mvnw spring-boot:run. i got this error It turned out that i haven’t install maven , the simple...
Java : Spring : Source option 6 is no longer supported. Use 7 or later
Today i just tried to build my first web Java application. I follow the instructions from this link: Everything looks good until i reach to step , ...
Sitespeed script: accept javascript alert
Just imagine, you use sitespeed to monitor your website , and your website throws a javascript alert popup – this will usually throw some error. To fix this issue,...
Docker – WARNING: IPv4 forwarding is disabled. Networking will not work.
There are 2 fixes for this issue:1. Temporary 2. Permanent
Single sign-on with Chrome in Linux
If you are running on Linux machine and. every time you access to your corporate website , it asks you for the password , but this does not happen...
Access-Control-Allow-Origin (CORS origin)
I got a weird message today when trying to use XMLHttpRequest Request I turns out that i need to turn on some headers on the destination server. This can...
Resizing LVM volume on Redhat
Create a new primary volume and extend the volume group to the new volume. Check the physical volume for free space, extend the logical volume with the free space....