HowTos, Directory Server, FreeIPA, OpenLDAP

Install and Configure FreeIPA Client on Ubuntu 24.04

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Security, Elastic Stack, HowTos, Monitoring

Easily Configure Elasticsearch HTTPS Connection

HowTos

Install Oracle Java 12 on Debian 10

VirtualBox, HowTos, Virtualization

Install VirtualBox Guest Additions on Ubuntu 20.04

HowTos

Best Way to Choose Keywords for PPC

Containers

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Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

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

How to Use Secrets in Kubernetes Applications

In this blog post, you will learn how to use Secrets in Kubernetes applications. In Kubernetes, managing configuration data and …
Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

In this tutorial, you will learn how to gracefully remove worker node from Kubernetes cluster. If you are managing a …
kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

install docker ce

Install Docker on Rocky Linux 8|9

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

backup and restore kubernetes etcd cluster

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

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

install-and-configure-openshift-odf-ocp

How to Install and Configure OpenShift Data Foundation (ODF) on OpenShift 4.20: Step-by-Step Guide [2026]

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Security

More

Install and Setup DVWA on CentOS 8

How to Scan a Remote Host using Nessus Vulnerability Scanner

Setup Portainer with SSL Certificates

Most Popular

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HowTos, PHP

Install PHP 7.3.4 on Fedora 30

Top 6 Hacks For Improving Your Business
HowTos

Top 6 Hacks For Improving Your Business

HowTos, DHCP Server

How to Install and Setup DHCP Server on Fedora 29/Fedora 28/CentOS 7

Install OTRS Ticketting System on Debian 11
HowTos, Ticketing Systems

Install OTRS Ticketting System on Debian 11

role-based access control in kubernetes
Containers, HowTos, Kubernetes, Security

Introduction to Role-Based Access Control (RBAC) in Kubernetes

gvm login page
OpenVAS, HowTos, Security, Vulnerability Scanners

Install and Setup GVM 20.08 on Ubuntu 20.04

Install Wazuh Manager with ELK on Debian 12

Configure Ubuntu 20.04 as Linux Router

Ship System Logs to ELK Stack using Elastic Agents

How to Enable Basic Authentication on ELK Stack

Process ModSecurity Logs using Wazuh

Install Osquery on Ubuntu 20.04

6 Tools That Can Help Protect Your Sensitive Business Information

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

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

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

Enable SSH 2-Factor Authentication on Ubuntu 18.04

How to Integrate TheHive with MISP

MONITORING

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filebeat

How to run Multiple Filebeat Instances in Linux

gen_too

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Zabbix server on Debian …

Install latest Graylog on CentOS 7

koromicha

Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a …

Install and Configure AlienVault HIDs Agent on a Linux Host

How to Install and Configure AlienVault HIDs Agent on a Linux Host

koromicha

In this tutorial, we are going to learn how to install and configure AlienVault HIDS …

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 and Setup AWStats Log Analyzer on CentOS 8

gen_too

Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS …

Easily Configure Elasticsearch HTTPS Connection

Easily Configure Elasticsearch HTTPS Connection

Kifarunix

In this tutorial, you will learn how to easily configure Elasticsearch HTTPS Connection. You can …

install Fleet osquery manager on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04/Ubuntu …

nagios docker

Deploy Nagios as a Docker Container

Kifarunix

How to install Nagios core in Docker? In this tutorial, you will learn how to …

install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

This guide is about how to configure SNMP version 3 on Debian 9. There are three major versions of SNMP …
Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source …

Monitor OpenVPN Connections with Prometheus and Grafana

Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is a data visualization and monitoring …

NETWORKING

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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 …
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, …
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 …
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 …
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 …
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 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 …

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 …
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, …
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 …
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 …
install Malcolm network traffic analysis tool on Ubuntu

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

In this tutorial, you will learn how to analyze PCAP files using Malcolm network traffic analysis tool. Malcolm can be …

STORAGE

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Setup Software RAID on Rocky Linux 8

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install and Configure BackupPC on CentOS 8

Create LVM Logical Volumes in Linux

Install and Setup GlusterFS Storage Cluster on CentOS 8

Part 3: Integrate OpenStack with Ceph Storage Cluster

Easy way to Install ownCloud Desktop Client on Debian 12

VIRTUALIZATION

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Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

Kifarunix

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended …

Install Ubuntu 20.04 on VirtualBox

koromicha

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

install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

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 …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

Install Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As of this writing, VirtualBox 6.1 …
Install IBM QRadar Community Edition SIEM on VirtualBox

How to Install IBM QRadar Community Edition SIEM on VirtualBox

In this tutorial, we are going to learn how to install IBM QRadar Community Edition SIEM on VirtualBox. We will be …

How to Install FreeBSD 12 on VirtualBox

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD can run well in a …

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