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Understanding Unicode Phishing Emails (UPE) and How to Protect Yourself
Understanding Homograph Spoofing: A Deceptive Threat in Cybersecurity
Protecting Against Homograph Attacks: Safeguarding Your Online Security
DevOps Tools
Introduction
DevOps Road Map
Cloud Platforms
AWS (Amazon Web Services)
AWC CLI
AWS CLI Commands List
AWS CodeDeploy Agent
AWS Services Unveiled in 2024
EC2 AMI and Snapshot
Why US East (N. Virginia) Might Be Cheaper for AWS Than You Think
AWS Attached EBS Volume
AWS Saving on Your Cloud Bill: Reserved Instances vs Savings Plans
What is Amazon S3?
Hosting Static Content on Amazon S3
Why Hosting Static Content on Amazon S3 is a Smart Choice: Cost, Performanc
Automating AWS EC2 Instance Start, Stop, and Status
How to Set Up Multiple AWS Accounts
Snapshots vs AMIs: A Comprehensive Guide for AWS Users
Microsoft Azure
Google Cloud Platform (GCP)
IBM Cloud
DigitalOcean
Heroku
Akamai (Linode)
Oracle Cloud
Alibaba Cloud
OVHcloud
Configuration Management
Ansible
Puppet
Chef
SaltStack
Terraform
Kubernetes
Container Orchestration
Kubernetes
Docker Swarm
Apache Mesos
Nomad
Amazon Elastic Container Service (ECS)
CI/CD
Jenkins
A Comprehensive Guide: How to Write a Jenkinsfile
Travis CI
CircleCI
GitLab CI
TeamCity
Containers
Docker
Build the docker image to build and deploy with sprin
Dockerfile vs docker-compose.yml
Docker Scout
Installing Docker Scout on Debian
Dockerfile and docker-compose.yml
Host Filesystem vs. Docker-Managed Volumes
LXC
Infrastructure as Code (IaC)
Ansible
Terraform
Terraform Vs Ansible
Terraform
CloudFormation
Azure Resource Manager
Google Cloud Deployment Manager
OpenStack Heat
Monitoring and Logging
Prometheus
Grafana
Nagios
ELK Stack
Splunk
Datadog
Zabbix
New Relic
Collaboration and Communication
Slack
Microsoft Teams
Atlassian Suite
GitLab
Asana
Source Code Hosting
Version Control
Git
GitLab
Bitbucket
GitBucket
Create a Git Environment
Understanding Git Repository Size
Understanding Git LFS and Managing Large Files in Git
Setting Up Git Repository Permissions for Collaborative Development
Recovering Lost Files in a Git Repository: A Step-by-Step Guide
Setting Up Git Bash as the Default Terminal in VS Code
SVN
Mercurial
Perforce
Security News
HashiCorp Vault
CyberArk
Thycotic
BeyondTrust
ManageEngine
Why It's Important to Save Known Email IDs to Your Contact List in the Face
Jenkins
Jenkins: Master & Slave
Jenkinsfiles
Terraform
Kubernetes
Sonarqube
Azure DevOps
On Premise vs Cloud
Benefits/Merits of On Premise Server
Cloud Server
Top 15 DevOps Tools
Developer Tools
Angular JS
React JS
Node JS
Laravel
PHP
Simplifying PHP Version Switching with Bash Aliases
How to Prevent PHP 8.3 from Being Automatically Updated on Ubuntu
Composer
Java
JDK
NetBeans
JRE
Code Editors
Xampp / Lampp
XAMPP All Versions
phpMyAdmin
Python
Python Web Server Gunicorn and uWSGI
LAMP
LAMPP Break Down
How can I use the 'egrep' command to search for lines starting with 'user'
Top Online Tools to Check Code Quality
Database
MySQL
Reset PHPMyAdmin and MySQL
Why Integrate MySQL with Redis?
Most important point why we need to use redis ?
Why and when to use Redis ?
MySQL Backups
SQL Dump File into a Different MySQL/MariaDB Database
Understanding and Configuring max_allowed_packet in MySQL
MyISAM vs InnoDB: A Comprehensive Guide to MySQL Storage Engines
Automating MySQL and Website Backups for Production Servers Introduction
SQL vs NoSQL
Should You Implement Redis on Your UNIX Web Server? A Layman's Guide
Container Registry List
Load Balancing with Nginx and Docker: A Step-by-Step Guide
Security
Server Hardening , Why it's Important ?
OpenSSH Server Hardening Check List
How To Secure or Hardening Linux OS
What is Kerberos and why we use it ?
How to enable two-factor authentication for SSH in Linux ?
Best Practices to Prevent SSH Brute-Force Login Attacks in Linux
What is SELinux with example ?
Check empty Passwords in linux ?
What is /etc/shadow ?
What is a sshd_config file ?
Cybersecurity & Cryptographic
AES
Encryption
Hardware Encryption
Software Based Encryption
What is Asymmetric Encryption Algorithm ?
GPG
Creating Digital Signatures for Documents with GPG
Cyber Security Tools
NMap
Nmap Top 50 Useful Commands: A Comprehensive Guide
50 useful Nmap commands
Nmap Basic
Cuckoo Sandbox
Essential Tools for Malware Analysis
Wazuh
shodan.io
Forensics
Metadata
Hash Value
Hash vs Encryption
Router Switch Vulnerability Scan
verifying the integrity of files and password
Zero Trust Network Access
High-Performance and Secure Web Application on Windows with IIS and .NET
Web Application Security
Harnessing the Power of Inotify: A Comprehensive Guide
Hardening
phpmyadmin hardening
Secure Your Ubuntu Server
Securing Your System: Restricting Access to Commands for Enhanced Security
Web Security
Code Security Platform
GitGuardian's
WhiteSource Bolt
Snyk
Checkmarx
Veracode
Black Duck
Fortify on Demand
Klocwork
Contrast Security
Coverity Scan
Nexus Lifecycle
SonarCloud
OpenText Fortify Static Code Analyzer
DLP
Best Practices and Strategies
OpenSCAP
Restrict User Access to Specific Directories
Securely Managing Production Servers: Web-Based SSH, SCP Restriction
On Premises Server
Gitea
Container Registry
GitLab Container Registry
Portainers CE
Project
DevOps P - 1
DevOps P - 2
Hypervisor
Introduction HV
Type 1 Hypervisor
ProxMox
Deduplication
How to Extend or Resize the Disk Size of a Proxmox Ubuntu (Linux) VM
Proxmox Backup Server (PBS)
Essential Security and Safety Measures for Setting Up a New Proxmox VE
Mastering Disk Management with LVM
XCP-NG
Citrix
Type 2 Hypervisor
Virtual Box
VMWare
VMware vSphere, vCenter, and ESXi
How to Fix VMware Kernel Module Updater Issues on Debian / Ubuntu
Linux
Introduction
Debian
Create A User Account
Add the User to sudo group
Disable User Account | Debian Linux
What is SUDO ?
Mastering Linux Package Management
Hardware Command
RHEL
Configuring Firewall Rules with Firewalld CentOS RHEL ?
Configure Firewall on Apache HTTPD RHEL Or CentOS
Bash Scripting
Top 20 BASH
Automation
Backup
RSync
Efficient File Synchronization with rsync
Automated Rsync and Git Sync for Production Environments
LSync
Automated Backups
OpenSSL
SSH
What is SSH
REMOTE HOST IDENTIFICATION HAS CHANGED!
How Do I Generate RSA SSH Keys ?
How Do I Generate DSA SSH Keys ?
Why to use Ed25519 (Ed25519) key instead of a RSA ?
What is Teleport ?
Why to use Key's Passphrase in SSH ?
Proxy SSH
SSH-COPY-ID
What is SSH-KEYGEN ?
Remote host identification has changed
What are the advantages of using key-based authentication ?
Free SSH Command Practice through OverTheWire Wargames
SSH Permission
Automating SSH Key Generation for Multiple Users
Enhancing SSH Security: Allowing Connections from Specific IP Addresses
Choosing the Right SSH Host Key Algorithm: ECDSA vs. Ed25519
Mastering SSH Keys: A Layman's Guide
How to Check if Your SSH Private Key is Password-Protected
SSH Log Servers
What is SSL ?
How To Check SSL Through CLI
How to install SSL Cert
How to Install SSL on CentOS ?
How to Install SSL on FreeBSD ?
How to Install SSL on OpenSUSE ?
How to Install SSL on AlmaLinux ?
How to Install SSL on Arch Linux ?
How to Install SSL on Oracle Linux ?
How to Install SSL on Debian Linux ?
How to Install SSL on Ubuntu Server ?
How to Install SSL on Amazon Linux ?
How to Install SSL on Red Hat Enterprise Linux (RHEL) ?
How to Install SSL on SUSE Linux Enterprise Server (SLES) ?
How SSL Work ?
Understanding and Verifying the Relationship Between CSR, Certificate, and
How to Verify if a CSR, Private Key, and Certificate Match Using OpenSSL
TLS
Web Server
IIS
How to Configure SSL On IIS ?
Apache
Apache Web Server Hardening
20 Essential .htaccess
What is htaccess and htpasswd ?
How to Find the Apache User and Group
Testing and Troubleshooting .htaccess in Apache: A Dummy Project Guide
Simplify Apache Configuration Backups with a Bash Script
Apache Commands and Module
What is OCSP Stapling? A Layman's Guide with Examples
Nginx
Lighttpd
Apache vs Nginx
XAMPP LAMPP Or LAMP
Enhancing Security for XAMPP
HTTP Responses
Some of Important XAMPP / LAMPP Configuration File List
Step-by-Step Guide to Migrating a XAMPP/LAMP Server to Another Server
web-folder-permission
Enhancing Web Server Security and Collaboration: Creating a webdevngit Grou
How to Install Apache Tomcat on Ubuntu
PHP's Built-in Web Server
ESF
Web Server Information via Command Line
Exploring Python Web Servers: A Comprehensive Guide
What is Log in Linux ?
Advance Log Check
Quorum
User
SKEL
Groups
Command List Beginner Command
Permission
100 Unix log check commands that can be useful for monitoring and troublesh
One Linux Command to Create Multiple Subdirectories
What is nohup in Linux ?
What is /dev/null ?
Create Multiple Files with Random Size in Linux ?
Create Multiple Files with Random Content in Linux ?
Command Explain
GREP
whoami
ls
find
Efficient File Management in Linux: Finding Large Files with 'find'
sed
awk
Why awk sed grep and find command is most important in linux ?
Managing Command History
Streamline Your Configuration Files with sed
What is message digest ?
Fundamental Differences Between the MD5 and Base64 ?
Base64
Find IP addresses in an entire file System
Why reverse proxy use ?
Apache Reverse Proxy
Nginx Reverse Proxy
Simplifying Microservice Management with Traefik
Bash / Shell Scripting
Cron Jobs
Securing Your Data with LUKS
Finding and Removing Specific File Types
Latest Modified File in Linux
List of Installed Applications on Ubuntu
Symbolic Links
Managing Ubuntu Packages
Understanding File Creation in Linux: Truncate vs. dd
Understanding Daemons and Control Utilities in Linux
How to Install OpenSSL-3.3.0 and OpenSSH-9.7p1 on Ubuntu LTS 24 Server
OpenSSH
Understanding Inodes: When Storage Space Isn't the Only Factor
Mastering File System Management in Debian
Perfermance
Bastion Host
Understanding Shared Libraries
How to Change the Hostname Without Restarting Your Linux Server
Optimizing Server Performance with nice -n 19 ionice -c2 -n7 in Production
Misc.
Firewall
Office Firewall
Software
Hardware
Home Firewall
Cloudflare
What is Cloudflare SSL ?
WARP
Tunnels
Zero Trust
URL Normalization
RFC 3986 Normalization
Cloudflare Normalization
Email
Email Server
Free Email
Paid Email
DNS Record
Email Spam
SEM FRESH
MX Record
SPF Record
DKIM Record
DMARC Record
Free SMTP Relay Services for Email Delivery
Email Notifications
Email Marketing
The Power of the Blue Tick: A Deep Dive into Verified Emails
Mobile Admin
JuiceSSH
Termux
MSRD
OpenVPN
Ping Tool
Server Monitor
Web Hosting
Free
Paid
VDI
Kasm
Docker Container
Gitea
AdGuard
Kasm Web
CloudFlare
Konrad Kleine
Whatchtower
Install docker Linux
NAS
Synology
Processor
Intel
vPro
AMD
AMD Ryzen PRO
Instruction Sets
SSE
AVX
3DNow!
SIMD
POPCNT
Security & Reliability
vPro
TDT
AMT
ISM
MBEC
RPE
One-Click Recovery
Hardware Shield Eligibility
Control-Flow Enforcement Technology
Total Memory Encryption - Multi Key
AES New Instructions
Secure Key
OS Guard
Trusted Execution Technology
Execute Disable Bit
Boot Guard
SIPP
VT-RP
VT-X
VT-D
EPT
SGX
Intel-VT and AMD-V
Intel vPro vs AMD Ryzen Pro
ARM-Based CPUs
Top ARM-Based CPUs for Servers: A 2024 Guide
Apple M4 Series vs Intel Core i9-14900KS – The Ultimate Performance Showdow
Basics Of Computer
BIOS
How Computer Work
How CPU Work
How RAM Work on a Computer
Component Of Computer
Tpes Of Storage device in Computer
HTTP Status Code
Web Dev | QnA
QnA
DOM
Cross origin issue
What is CORS headers
How to allow Cross domain request in apache2
CORS headers in the .htaccess
What is htaccess
PHP Configuration Array ?
Why share hosting website is very slow ?
Enhancing Sign-Up Page Security: Tips to Prevent Spam Registrations
Understanding Nginx and Upstream Servers
SXGs
How to roll back from a git commit ?
Ranking your website on Google
Google Webmaster Tools
Web Socket
Why Ad Blockers Malfunction
AWS Q N A
How to link phpMyAdmin to an AWS RDS MySQL Instance
AWS IMPORTANT CHANGE IN YOUR SENDING STATUS
Why it's not recommend to send too many mail at same time ?
AWS , What caused your high bounce rate ?
Amazon SES to monitor high bounce rates?
7z Or 7Zip
XAMPP/LAMPP Apache HTTPD Nginx Config Location
Installation
C2C-Migration
Cloud Storage Pricing
CertBot SSL
Certbot SSL on Redhat and CentOS
Certbot SSL on Debian Linux
Let's Encrypt Project
How can i install particular git version ?
Host File
How to edit Host file ?
Windows Hosts File
Editing the Hosts in MacOS
How to host Static Website Free
Github Site DNS Pointing
GitLab Site DNS Pointing
Cloudflare Site DNS Pointing
Google Site DNS Pointing
LXD vs Docker
Skip It !
Internet Archive
PowerShell Command
AEP CS - Ransomware and Malware Analysis Q n A
Cloud CPU
AmpereOne Processor
AWS Graviton Processor
AWS Graviton vs AmpereOne Processor
Self Destruct
FIDO
Networking
ALB and NLB
Mikrotik Router
EVE-NG
TCP Three Way Handshake
Network Ports and Their Services
Configuring Network Interfaces in Ubuntu with Netplan
Configuring Network Interfaces in Linux: A Step-by-Step Guide
Troubleshooting DNS Resolution Issues
Network Troubleshooting Commands in Windows
20 Must-Have Network Troubleshooting Tools for Network Administrators
Network Administrator CLI
Network Monitoring Tools
Network Monitoring Tools
DNS Configuration
Automating Network Monitoring with Bash Scripting: Ping Monitoring and Noti
Understanding Router Ports
Windows
Windows Package Manager
WPM Chocolatey Nano
Windows icacls
PowerShell Get-ACL
Unlocking Angular CLI: Resolving Windows Script Host Error 800A03F6
How to Change Menu Show Delay Time in Windows 10
TAR GZ
How To UnTar
Mobile
5G NSA vs. SA
Apple Secure Enclave vs. Samsung Knox: A Deep Dive into Biometric Security
RClone
Automated Backup Script for Bash Configuration and Crontab Using RClone
Skype Issue
Screen Sharing Issue on Skype
Swap
Increasing Swap Memory on CentOS RHEL Fedora
Enhancing System Performance with Additional Swap Space in Linux
Configure Ubuntu to prioritize the usage of swap memory
Understanding How Inodes Impact Website Performance
File Sharing
SAMBA
NFS (Network File System)
SSHFS (SSH Filesystem)
SFTP (SSH File Transfer Protocol)
FTP (File Transfer Protocol)
IPFS
Pydio
SeaFile
OpenFiler
YunoHost
OwnCloud
NextCloud
Server Patching
Secure Server Updates
Monitoring
Credentials Finder Script
NIST ISO 27001 SOC2
Google App Password
Google
Google Workspace with Outlook
Installing Go on Linux: A Step-by-Step Guide
2FA, MFA, and FIDO
Deactivating FIDO2 Authentication on Ubuntu: A Step-by-Step Guide
How to Activate FIDO2 Authentication on Ubuntu: A Comprehensive Guide
File System
What is BTRFs file system?
jobs
Demystifying Security Clearances: Your Keycard to Classified Information
Understanding ASCII and Unicode: Key Differences and Practical Implications
Business
WhatsApp
Exploring Online HTML to PDF Conversion
How to Disable PHP Updates on Your Server
Why Binaries Are Preferred
Google Product
Quick Tip: Instantly Create a New Google Doc with This Shortcut!
How to Locate and Manage my.cnf and php.ini Files on Your Linux Server
WordPress
Why Hackers Target wp-cron.php in WordPress and How to Protect Your Site
KeePass
Mobile
Apple vs. Samsung: A Deep Dive into Key Features and Technologies Where App
Node-Issues
Fixing PowerShell Script Execution Policy for npm
WebRTC Video Conferencing
Top 10 Open-Source WebRTC Video Conferencing Solutions for Your Needs
Why Jitsi Meet is a Game-Changer
Mediasoup: Building Custom WebRTC Applications Made Easy
OpenVidu: Simplifying WebRTC Development for Real-Time Communication
Ant Media Server: Enabling Ultra-Low Latency Streaming
BigBlueButton: Transforming Virtual Classrooms and Online Learning
Janus WebRTC Server: A Versatile Framework for Real-Time Communication
Kurento: Unlocking Real-Time Media Processing
Ion-SFU: Revolutionizing Scalable Real-Time Video Streaming
MiroTalk: Simplifying Real-Time Communication Solutions
Element (Formerly Riot): A Secure and Decentralized Communication Platform
Interview
Linux
DevOps
System Admin
Privacy | Disclaimer
What is GDPR
Donate
Affiliate
Donation Tools
News
AI-WormGpt-Tool
MoveIt Vulnerability
Guarding Your Apple Device: A Deep Dive into CVE-2023-41064
Unlocking the Power of Meta AI: How it Differs from ChatGPT and What's New
SOC Teams in Production Environments
Contact
ॐ Linux | Windows | NW | DevSecOps | Security
Home
News
Understanding Unicode Phishing Emails (UPE) and How to Protect Yourself
Understanding Homograph Spoofing: A Deceptive Threat in Cybersecurity
Protecting Against Homograph Attacks: Safeguarding Your Online Security
DevOps Tools
Introduction
DevOps Road Map
Cloud Platforms
AWS (Amazon Web Services)
AWC CLI
AWS CLI Commands List
AWS CodeDeploy Agent
AWS Services Unveiled in 2024
EC2 AMI and Snapshot
Why US East (N. Virginia) Might Be Cheaper for AWS Than You Think
AWS Attached EBS Volume
AWS Saving on Your Cloud Bill: Reserved Instances vs Savings Plans
What is Amazon S3?
Hosting Static Content on Amazon S3
Why Hosting Static Content on Amazon S3 is a Smart Choice: Cost, Performanc
Automating AWS EC2 Instance Start, Stop, and Status
How to Set Up Multiple AWS Accounts
Snapshots vs AMIs: A Comprehensive Guide for AWS Users
Microsoft Azure
Google Cloud Platform (GCP)
IBM Cloud
DigitalOcean
Heroku
Akamai (Linode)
Oracle Cloud
Alibaba Cloud
OVHcloud
Configuration Management
Ansible
Puppet
Chef
SaltStack
Terraform
Kubernetes
Container Orchestration
Kubernetes
Docker Swarm
Apache Mesos
Nomad
Amazon Elastic Container Service (ECS)
CI/CD
Jenkins
A Comprehensive Guide: How to Write a Jenkinsfile
Travis CI
CircleCI
GitLab CI
TeamCity
Containers
Docker
Build the docker image to build and deploy with sprin
Dockerfile vs docker-compose.yml
Docker Scout
Installing Docker Scout on Debian
Dockerfile and docker-compose.yml
Host Filesystem vs. Docker-Managed Volumes
LXC
Infrastructure as Code (IaC)
Ansible
Terraform
Terraform Vs Ansible
Terraform
CloudFormation
Azure Resource Manager
Google Cloud Deployment Manager
OpenStack Heat
Monitoring and Logging
Prometheus
Grafana
Nagios
ELK Stack
Splunk
Datadog
Zabbix
New Relic
Collaboration and Communication
Slack
Microsoft Teams
Atlassian Suite
GitLab
Asana
Source Code Hosting
Version Control
Git
GitLab
Bitbucket
GitBucket
Create a Git Environment
Understanding Git Repository Size
Understanding Git LFS and Managing Large Files in Git
Setting Up Git Repository Permissions for Collaborative Development
Recovering Lost Files in a Git Repository: A Step-by-Step Guide
Setting Up Git Bash as the Default Terminal in VS Code
SVN
Mercurial
Perforce
Security News
HashiCorp Vault
CyberArk
Thycotic
BeyondTrust
ManageEngine
Why It's Important to Save Known Email IDs to Your Contact List in the Face
Jenkins
Jenkins: Master & Slave
Jenkinsfiles
Terraform
Kubernetes
Sonarqube
Azure DevOps
On Premise vs Cloud
Benefits/Merits of On Premise Server
Cloud Server
Top 15 DevOps Tools
Developer Tools
Angular JS
React JS
Node JS
Laravel
PHP
Simplifying PHP Version Switching with Bash Aliases
How to Prevent PHP 8.3 from Being Automatically Updated on Ubuntu
Composer
Java
JDK
NetBeans
JRE
Code Editors
Xampp / Lampp
XAMPP All Versions
phpMyAdmin
Python
Python Web Server Gunicorn and uWSGI
LAMP
LAMPP Break Down
How can I use the 'egrep' command to search for lines starting with 'user'
Top Online Tools to Check Code Quality
Database
MySQL
Reset PHPMyAdmin and MySQL
Why Integrate MySQL with Redis?
Most important point why we need to use redis ?
Why and when to use Redis ?
MySQL Backups
SQL Dump File into a Different MySQL/MariaDB Database
Understanding and Configuring max_allowed_packet in MySQL
MyISAM vs InnoDB: A Comprehensive Guide to MySQL Storage Engines
Automating MySQL and Website Backups for Production Servers Introduction
SQL vs NoSQL
Should You Implement Redis on Your UNIX Web Server? A Layman's Guide
Container Registry List
Load Balancing with Nginx and Docker: A Step-by-Step Guide
Security
Server Hardening , Why it's Important ?
OpenSSH Server Hardening Check List
How To Secure or Hardening Linux OS
What is Kerberos and why we use it ?
How to enable two-factor authentication for SSH in Linux ?
Best Practices to Prevent SSH Brute-Force Login Attacks in Linux
What is SELinux with example ?
Check empty Passwords in linux ?
What is /etc/shadow ?
What is a sshd_config file ?
Cybersecurity & Cryptographic
AES
Encryption
Hardware Encryption
Software Based Encryption
What is Asymmetric Encryption Algorithm ?
GPG
Creating Digital Signatures for Documents with GPG
Cyber Security Tools
NMap
Nmap Top 50 Useful Commands: A Comprehensive Guide
50 useful Nmap commands
Nmap Basic
Cuckoo Sandbox
Essential Tools for Malware Analysis
Wazuh
shodan.io
Forensics
Metadata
Hash Value
Hash vs Encryption
Router Switch Vulnerability Scan
verifying the integrity of files and password
Zero Trust Network Access
High-Performance and Secure Web Application on Windows with IIS and .NET
Web Application Security
Harnessing the Power of Inotify: A Comprehensive Guide
Hardening
phpmyadmin hardening
Secure Your Ubuntu Server
Securing Your System: Restricting Access to Commands for Enhanced Security
Web Security
Code Security Platform
GitGuardian's
WhiteSource Bolt
Snyk
Checkmarx
Veracode
Black Duck
Fortify on Demand
Klocwork
Contrast Security
Coverity Scan
Nexus Lifecycle
SonarCloud
OpenText Fortify Static Code Analyzer
DLP
Best Practices and Strategies
OpenSCAP
Restrict User Access to Specific Directories
Securely Managing Production Servers: Web-Based SSH, SCP Restriction
On Premises Server
Gitea
Container Registry
GitLab Container Registry
Portainers CE
Project
DevOps P - 1
DevOps P - 2
Hypervisor
Introduction HV
Type 1 Hypervisor
ProxMox
Deduplication
How to Extend or Resize the Disk Size of a Proxmox Ubuntu (Linux) VM
Proxmox Backup Server (PBS)
Essential Security and Safety Measures for Setting Up a New Proxmox VE
Mastering Disk Management with LVM
XCP-NG
Citrix
Type 2 Hypervisor
Virtual Box
VMWare
VMware vSphere, vCenter, and ESXi
How to Fix VMware Kernel Module Updater Issues on Debian / Ubuntu
Linux
Introduction
Debian
Create A User Account
Add the User to sudo group
Disable User Account | Debian Linux
What is SUDO ?
Mastering Linux Package Management
Hardware Command
RHEL
Configuring Firewall Rules with Firewalld CentOS RHEL ?
Configure Firewall on Apache HTTPD RHEL Or CentOS
Bash Scripting
Top 20 BASH
Automation
Backup
RSync
Efficient File Synchronization with rsync
Automated Rsync and Git Sync for Production Environments
LSync
Automated Backups
OpenSSL
SSH
What is SSH
REMOTE HOST IDENTIFICATION HAS CHANGED!
How Do I Generate RSA SSH Keys ?
How Do I Generate DSA SSH Keys ?
Why to use Ed25519 (Ed25519) key instead of a RSA ?
What is Teleport ?
Why to use Key's Passphrase in SSH ?
Proxy SSH
SSH-COPY-ID
What is SSH-KEYGEN ?
Remote host identification has changed
What are the advantages of using key-based authentication ?
Free SSH Command Practice through OverTheWire Wargames
SSH Permission
Automating SSH Key Generation for Multiple Users
Enhancing SSH Security: Allowing Connections from Specific IP Addresses
Choosing the Right SSH Host Key Algorithm: ECDSA vs. Ed25519
Mastering SSH Keys: A Layman's Guide
How to Check if Your SSH Private Key is Password-Protected
SSH Log Servers
What is SSL ?
How To Check SSL Through CLI
How to install SSL Cert
How to Install SSL on CentOS ?
How to Install SSL on FreeBSD ?
How to Install SSL on OpenSUSE ?
How to Install SSL on AlmaLinux ?
How to Install SSL on Arch Linux ?
How to Install SSL on Oracle Linux ?
How to Install SSL on Debian Linux ?
How to Install SSL on Ubuntu Server ?
How to Install SSL on Amazon Linux ?
How to Install SSL on Red Hat Enterprise Linux (RHEL) ?
How to Install SSL on SUSE Linux Enterprise Server (SLES) ?
How SSL Work ?
Understanding and Verifying the Relationship Between CSR, Certificate, and
How to Verify if a CSR, Private Key, and Certificate Match Using OpenSSL
TLS
Web Server
IIS
How to Configure SSL On IIS ?
Apache
Apache Web Server Hardening
20 Essential .htaccess
What is htaccess and htpasswd ?
How to Find the Apache User and Group
Testing and Troubleshooting .htaccess in Apache: A Dummy Project Guide
Simplify Apache Configuration Backups with a Bash Script
Apache Commands and Module
What is OCSP Stapling? A Layman's Guide with Examples
Nginx
Lighttpd
Apache vs Nginx
XAMPP LAMPP Or LAMP
Enhancing Security for XAMPP
HTTP Responses
Some of Important XAMPP / LAMPP Configuration File List
Step-by-Step Guide to Migrating a XAMPP/LAMP Server to Another Server
web-folder-permission
Enhancing Web Server Security and Collaboration: Creating a webdevngit Grou
How to Install Apache Tomcat on Ubuntu
PHP's Built-in Web Server
ESF
Web Server Information via Command Line
Exploring Python Web Servers: A Comprehensive Guide
What is Log in Linux ?
Advance Log Check
Quorum
User
SKEL
Groups
Command List Beginner Command
Permission
100 Unix log check commands that can be useful for monitoring and troublesh
One Linux Command to Create Multiple Subdirectories
What is nohup in Linux ?
What is /dev/null ?
Create Multiple Files with Random Size in Linux ?
Create Multiple Files with Random Content in Linux ?
Command Explain
GREP
whoami
ls
find
Efficient File Management in Linux: Finding Large Files with 'find'
sed
awk
Why awk sed grep and find command is most important in linux ?
Managing Command History
Streamline Your Configuration Files with sed
What is message digest ?
Fundamental Differences Between the MD5 and Base64 ?
Base64
Find IP addresses in an entire file System
Why reverse proxy use ?
Apache Reverse Proxy
Nginx Reverse Proxy
Simplifying Microservice Management with Traefik
Bash / Shell Scripting
Cron Jobs
Securing Your Data with LUKS
Finding and Removing Specific File Types
Latest Modified File in Linux
List of Installed Applications on Ubuntu
Symbolic Links
Managing Ubuntu Packages
Understanding File Creation in Linux: Truncate vs. dd
Understanding Daemons and Control Utilities in Linux
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Mastering File System Management in Debian
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Understanding Daemons and Control Utilities in Linux
How to Install OpenSSL-3.3.0 and OpenSSH-9.7p1 on Ubuntu LTS 24 Server
OpenSSH
Understanding Inodes: When Storage Space Isn't the Only Factor
Mastering File System Management in Debian
Perfermance
Bastion Host
Understanding Shared Libraries
How to Change the Hostname Without Restarting Your Linux Server
Optimizing Server Performance with nice -n 19 ionice -c2 -n7 in Production
Misc.
Firewall
Office Firewall
Software
Hardware
Home Firewall
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What is Cloudflare SSL ?
WARP
Tunnels
Zero Trust
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RFC 3986 Normalization
Cloudflare Normalization
Email
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Free Email
Paid Email
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Email Spam
SEM FRESH
MX Record
SPF Record
DKIM Record
DMARC Record
Free SMTP Relay Services for Email Delivery
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The Power of the Blue Tick: A Deep Dive into Verified Emails
Mobile Admin
JuiceSSH
Termux
MSRD
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Ping Tool
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Paid
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Kasm
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Konrad Kleine
Whatchtower
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Synology
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Intel
vPro
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AMD Ryzen PRO
Instruction Sets
SSE
AVX
3DNow!
SIMD
POPCNT
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vPro
TDT
AMT
ISM
MBEC
RPE
One-Click Recovery
Hardware Shield Eligibility
Control-Flow Enforcement Technology
Total Memory Encryption - Multi Key
AES New Instructions
Secure Key
OS Guard
Trusted Execution Technology
Execute Disable Bit
Boot Guard
SIPP
VT-RP
VT-X
VT-D
EPT
SGX
Intel-VT and AMD-V
Intel vPro vs AMD Ryzen Pro
ARM-Based CPUs
Top ARM-Based CPUs for Servers: A 2024 Guide
Apple M4 Series vs Intel Core i9-14900KS – The Ultimate Performance Showdow
Basics Of Computer
BIOS
How Computer Work
How CPU Work
How RAM Work on a Computer
Component Of Computer
Tpes Of Storage device in Computer
HTTP Status Code
Web Dev | QnA
QnA
DOM
Cross origin issue
What is CORS headers
How to allow Cross domain request in apache2
CORS headers in the .htaccess
What is htaccess
PHP Configuration Array ?
Why share hosting website is very slow ?
Enhancing Sign-Up Page Security: Tips to Prevent Spam Registrations
Understanding Nginx and Upstream Servers
SXGs
How to roll back from a git commit ?
Ranking your website on Google
Google Webmaster Tools
Web Socket
Why Ad Blockers Malfunction
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How to link phpMyAdmin to an AWS RDS MySQL Instance
AWS IMPORTANT CHANGE IN YOUR SENDING STATUS
Why it's not recommend to send too many mail at same time ?
AWS , What caused your high bounce rate ?
Amazon SES to monitor high bounce rates?
7z Or 7Zip
XAMPP/LAMPP Apache HTTPD Nginx Config Location
Installation
C2C-Migration
Cloud Storage Pricing
CertBot SSL
Certbot SSL on Redhat and CentOS
Certbot SSL on Debian Linux
Let's Encrypt Project
How can i install particular git version ?
Host File
How to edit Host file ?
Windows Hosts File
Editing the Hosts in MacOS
How to host Static Website Free
Github Site DNS Pointing
GitLab Site DNS Pointing
Cloudflare Site DNS Pointing
Google Site DNS Pointing
LXD vs Docker
Skip It !
Internet Archive
PowerShell Command
AEP CS - Ransomware and Malware Analysis Q n A
Cloud CPU
AmpereOne Processor
AWS Graviton Processor
AWS Graviton vs AmpereOne Processor
Self Destruct
FIDO
Networking
ALB and NLB
Mikrotik Router
EVE-NG
TCP Three Way Handshake
Network Ports and Their Services
Configuring Network Interfaces in Ubuntu with Netplan
Configuring Network Interfaces in Linux: A Step-by-Step Guide
Troubleshooting DNS Resolution Issues
Network Troubleshooting Commands in Windows
20 Must-Have Network Troubleshooting Tools for Network Administrators
Network Administrator CLI
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DNS Configuration
Automating Network Monitoring with Bash Scripting: Ping Monitoring and Noti
Understanding Router Ports
Windows
Windows Package Manager
WPM Chocolatey Nano
Windows icacls
PowerShell Get-ACL
Unlocking Angular CLI: Resolving Windows Script Host Error 800A03F6
How to Change Menu Show Delay Time in Windows 10
TAR GZ
How To UnTar
Mobile
5G NSA vs. SA
Apple Secure Enclave vs. Samsung Knox: A Deep Dive into Biometric Security
RClone
Automated Backup Script for Bash Configuration and Crontab Using RClone
Skype Issue
Screen Sharing Issue on Skype
Swap
Increasing Swap Memory on CentOS RHEL Fedora
Enhancing System Performance with Additional Swap Space in Linux
Configure Ubuntu to prioritize the usage of swap memory
Understanding How Inodes Impact Website Performance
File Sharing
SAMBA
NFS (Network File System)
SSHFS (SSH Filesystem)
SFTP (SSH File Transfer Protocol)
FTP (File Transfer Protocol)
IPFS
Pydio
SeaFile
OpenFiler
YunoHost
OwnCloud
NextCloud
Server Patching
Secure Server Updates
Monitoring
Credentials Finder Script
NIST ISO 27001 SOC2
Google App Password
Google
Google Workspace with Outlook
Installing Go on Linux: A Step-by-Step Guide
2FA, MFA, and FIDO
Deactivating FIDO2 Authentication on Ubuntu: A Step-by-Step Guide
How to Activate FIDO2 Authentication on Ubuntu: A Comprehensive Guide
File System
What is BTRFs file system?
jobs
Demystifying Security Clearances: Your Keycard to Classified Information
Understanding ASCII and Unicode: Key Differences and Practical Implications
Business
WhatsApp
Exploring Online HTML to PDF Conversion
How to Disable PHP Updates on Your Server
Why Binaries Are Preferred
Google Product
Quick Tip: Instantly Create a New Google Doc with This Shortcut!
How to Locate and Manage my.cnf and php.ini Files on Your Linux Server
WordPress
Why Hackers Target wp-cron.php in WordPress and How to Protect Your Site
KeePass
Mobile
Apple vs. Samsung: A Deep Dive into Key Features and Technologies Where App
Node-Issues
Fixing PowerShell Script Execution Policy for npm
WebRTC Video Conferencing
Top 10 Open-Source WebRTC Video Conferencing Solutions for Your Needs
Why Jitsi Meet is a Game-Changer
Mediasoup: Building Custom WebRTC Applications Made Easy
OpenVidu: Simplifying WebRTC Development for Real-Time Communication
Ant Media Server: Enabling Ultra-Low Latency Streaming
BigBlueButton: Transforming Virtual Classrooms and Online Learning
Janus WebRTC Server: A Versatile Framework for Real-Time Communication
Kurento: Unlocking Real-Time Media Processing
Ion-SFU: Revolutionizing Scalable Real-Time Video Streaming
MiroTalk: Simplifying Real-Time Communication Solutions
Element (Formerly Riot): A Secure and Decentralized Communication Platform
Interview
Linux
DevOps
System Admin
Privacy | Disclaimer
What is GDPR
Donate
Affiliate
Donation Tools
News
AI-WormGpt-Tool
MoveIt Vulnerability
Guarding Your Apple Device: A Deep Dive into CVE-2023-41064
Unlocking the Power of Meta AI: How it Differs from ChatGPT and What's New
SOC Teams in Production Environments
Contact
Why Automated Backups are Essential for Production Servers
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