3DE CAS Server Memory High
Some customers will encounter CAS server memory high issue, the root cause will be different. like bad customization codes. threads not releasing. also there is some possible that because 3DE…
Oracle password expiration issue
Suddenly 3DE encounter an issue and can not login. check 3dpassport tomee catalina.out , and we found the error as below. java.sql.SQLException: ORA-28001: the password has expired This is because…
VMWare Workstation CPU High When Running Linux VM
Talking about the history of VMWare and Windows Hyper-v. Original VMWare not support windows virtual machine technology. After Vmware 15.5, it can support windows virtual machine technology. After windows 2022…
Fiddler Install and Simple Use for https network monitoring
Download Fiddler Classic from https://www.telerik.com/fiddler/fiddler-classic and install click tools-> options , select decrypt https traffic. Install the certification from fiddler. choose Yes. right click columns of the table. select customize…
Onenote Search not working
Some times search does not show result. one solution to fix this. Close OneNote. Delete everything in C:\Users\username\AppData\Local\Microsoft\OneNote\version#\cache except the “tmp” folder. Start Onenote It will re-download all content, which…
Mastering MobaXterm: How to Change the Right-Click Paste Setting
MobaXterm offers a very useful feature: right-clicking pastes whatever you’ve copied, and anything you select in MobaXterm is automatically copied to the clipboard. However, this behavior is configured when you…
Oracle Find NVARCHAR Field
sometimes during database migration, we need To know if our database have NVARCHAR Field , below SQL can check Oracle database if it have NVARCHAR field. select table_name,column_name,data_type from user_tab_columns…
Ubuntu OS frequently Upgrading take too much disk space
In some VPS case , the disk space is very limited. while if you frequently upgrade Ubuntu , more and more disk space will be taken. To solve this, simply…
nginx redirect root / to /wordpress/
Since Wordpress is installed under /wordpress/ url. and root / URL do not have any important content. so we need redirect URL / to URL /wordpress/ hear is the Nginx…
Apply free certification
For a https site, certification is mandatory, So how to get those certification. In this example, we will use acme.sh to apply certification, So first install acme.sh curl https://get.acme.sh |…