HowTos, Containers, Docker, Monitoring

Monitor Docker Swarm Service Metrics using Grafana

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Kifarunix
HowTos

Configure Docker Daemon for Remote Connections

Monitoring, Elastic Stack, HowTos

Configure Kibana Dashboards/Visualizations to use Custom Index

Database, HowTos, PHP, phpMyAdmin, Web Servers

Install phpMyAdmin on Debian 12

Security

Top 10 Colleges with Cyber Security Programs

Containers

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backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

In this blog post, we will dive into Kubernetes disaster recovery strategies, backup and restore etcd, using etcdctl and etcdutl …
Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

This guide provides working steps on deploying CloudBees CI on OpenShift. My first CloudBees CI deployment on OpenShift looked successful …
Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

In this guide, you will learn how to automate OpenShift Builds with Git webhooks. Automating builds in OpenShift with Git …
Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Configure OpenShift 4 Image Registry Persistent Storage with ODF

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Security

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Install Request Tracker on AlmaLinux/Rocky Linux

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

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install and setup ceph storage cluster
Storage, Ceph, HowTos

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

Studying cybersecurity and gaining the greatest achievements in data protection
Security, HowTos

Studying cybersecurity and gaining the greatest achievements in data protection

Install Minikube on Debian 12
Containers, Docker, HowTos, Kubernetes

Installing Minikube on Ubuntu 24.04

zammad ticket system
HowTos, SSL/TLS, Ticketing Systems

Install Zammad Ticketing System on Debian 12

Quickly Install MySQL 8 on Debian 12
HowTos, Containers, Database, Docker, MySQL

Quickly Install MySQL 8 on Debian 12

deploy AWX on Kubernetes cluster using AWX Operator
Automation, Ansible, Containers, HowTos, Kubernetes

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Install OpenVPN Server on Debian 11/Debian 10

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Install and Configure AlienVault OSSIM on VirtualBox

Install and Setup DVWA on Rocky Linux 8

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

How to Install and Use ClamAV Antivirus on Ubuntu 18.04

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Detecting Malicious Files with Wazuh and VirusTotal

Is a Firewall Box All You Need for Home and Small Office Security?

MONITORING

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Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

koromicha

This guide will take you through how to install Zabbix agent on Windows systems. Install …

Process and Visualize ModSecurity Logs on ELK Stack

Visualize ClamAV Scan Logs on ELK Stack Kibana

gen_too

In this tutorial, you will learn how to visualize ClamAV scan logs on ELK stack …

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Kifarunix

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how …

nagios

Install Nagios on Debian 11

gen_too

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

koromicha

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. …

Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

koromicha

In this guide, we are going to learn how to install OSSEC agent on Mac …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

gen_too

This tutorial will take you through how you can install and enroll Elastic agents to …

Install Grafana Plugins Behind a Proxy server

Install Grafana Plugins Behind a Proxy server

koromicha

This is a quick guide on how to install Grafana plugins behind a proxy server. …

Install NSClient Nagios Monitoring Agent on Windows System

How to Install NSClient Nagios Monitoring Agent on Windows System

In this tutorial, we are going to learn how to install NSClient Nagios monitoring agent on Windows systems. NSClient++ is …
wazuh app elk

Integrate Wazuh Manager with ELK Stack

In this tutorial, you will learn how to integrate Wazuh manager with ELK stack as a unified Security Information and …
Install ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu 22.04 systems. Elastic/ELK stack 8.x …

NETWORKING

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Configure Static IP Addresses using Netplan on Ubuntu

Configure Static IP Addresses using Netplan on Ubuntu

How to set static IP addresses using Netplan on Ubuntu? In this tutorial, you will learn how to configure static …

Install and Setup OpenVPN Server on Fedora 29/CentOS 7

In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN …
install wireshark on Linux

Install Wireshark on Ubuntu 22.04

In this guide, you will learn how to install Wireshark on Ubuntu 22.04. Wireshark is the world’s foremost and widely-used …
How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you …
Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster …
Install and use NMCLI tool on Debian Linux

Connect to WiFi in Linux Using NMCLI command

This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line …
Set Static Routes via an Interface/IP on CentOS/Ubuntu

Set Static Routes via an Interface/IP on CentOS/Ubuntu

In this tutorial, you will learn how to set static routes via an interface/IP on CentOS/Ubuntu systems. In a network, …
Install and use NMCLI tool on Debian Linux

Install and use NMCLI tool on Debian Linux

In this tutorial, we provide a step by step guide on how to install and use NMCLI tool on Debian …
install wireshark on Linux

Install Latest Wireshark on Ubuntu 18.04

In this guide, we are learn how to install latest Wireshark on Ubuntu 18.04. Wireshark is the world’s foremost and …
Useful Facts About Setting Up Mobile Rugged Servers

Useful Facts About Setting Up Mobile Rugged Servers

Modern warfare is evolving. Having boots on the ground is still the most important component of winning any conflict, however, …
Create Virtual/Secondary IP addresses on an Interface in Linux

Create Virtual/Secondary IP addresses on an Interface in Linux

Follow through this tutorial to learn how to create virtual/secondary IP addresses on an interface in Linux. This enables you …
Easy way to Test Internet Speed on Linux Terminal

Easy way to Test Internet Speed on Linux Terminal

In this tutorial, we will show you an easy way to test Internet speed on Linux terminal. More often than …

STORAGE

More

Install and Setup GlusterFS Storage Cluster on CentOS 8

Install and Configure NFS Server on RHEL/CentOS

Setup Software RAID on Rocky Linux 8

Install ownCloud Server on Ubuntu 22.04

Install ownCloud Server on Debian 10 Buster

How to Deploy Ceph Storage Cluster on AlmaLinux

Setup GlusterFS Distributed Replicated Volume on CentOS 8

Install and Configure BackupPC on CentOS 8

VIRTUALIZATION

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Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

Install VirtualBox Guest Additions on Ubuntu 18.04

Jay Decrame

In this guide, we are going to learn how to install VirtualBox Guest Additions on …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. …

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

Kifarunix

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

In this tutorial, we will walk you through the steps of creating KVM virtual machines with Kickstart. If you are …
kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali Linux is an Advanced Penetration …
Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

In this tutorial, you will learn on how to simply install Oracle Linux 9 on VirtualBox. With Oracle Linux 9 now …

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