Configuring YUM and System Settings on New Linux Machines
System Information and Host Configuration
FQDN Configuration
Configure Fully Qualified Domain Name (FQDN) for proper host identification in network environments.
# Edit hosts file
vim /etc/hosts
# Add entry: IP_address FQDN hostname
192.168.17.102 server01.lnmp.com server01
# Configure network hostname
vim /etc/sysconfig/network
# Set HOSTNAME ...
Posted on Mon, 02 Nov 2026 16:44:54 +0000 by alwoodman
Installing and Managing Docker Containers on Linux
Installing Docker on Ubuntu
Udpate the package index and install Docker using the system package manager:
sudo apt update
sudo apt install -y docker.io
sudo systemctl enable docker
sudo systemctl start docker
Verify the installation:
sudo docker --version
sudo docker run --rm hello-world
Launching a Container with Resource Mapping
Run an inte ...
Posted on Mon, 02 Nov 2026 16:51:13 +0000 by Res
Implementing a PlayerPrefs Manager with Reflection in Unity
Reflection Knowledge Primer
Determining if one type can be assigned to another (inheritance relationships):
public class ParentClass
{
}
public class ChildClass : ParentClass
{
}
...
Type parentType = typeof(ParentClass);
Type childType = typeof(ChildClass);
// Check if the specified type can be assigned to this type
if(parentType.IsAssignabl ...
Posted on Mon, 02 Nov 2026 16:48:51 +0000 by 4rxsid
Implementing Face Verification with PyTorch and FaceNet
A robust face recognition pipeline generally comprises three core components: a detection module, a feature extraction engine, and a matching classifier. The process begins with locating facial regions within an input image. Once detected, these regions of interest (ROI) are passed to the recognition module, which outputs a set of feature vecto ...
Posted on Mon, 02 Nov 2026 16:50:15 +0000 by seenu_vas80
Understanding Variables and Constants in Java
Variables
Key Points
Every variable must be associated with a data type, which can be either a primitive type or a reference type.
The variable name must be a valid identifier.
A variable declaration is a complete statement, so it must always end with a semicolon (;).
Scope
Class Variables (Static)
Syntax:
static DataType variableName; // Ini ...
Posted on Mon, 02 Nov 2026 16:53:14 +0000 by kjeldoran
Cross-Origin Communication Between Parent Window and Iframe
Two primary approaches are available for exchanging data betweeen a parent window and an embedded iframe. The first relies on direct access via contentWindow when both documents share the same origin; the second uses the standard postMessage API to handle cross‑origin scenarios.
1. Communication via contentWindow
TypeScript declaration file
d ...
Posted on Mon, 02 Nov 2026 16:45:19 +0000 by aahh