HowTos

Install Webmin on Debian 11

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koromicha
HowTos, Antivirus, Security, Vulnerability Scanners

Install and use ClamAV on Ubuntu 20.04

HowTos, Linux Commands

Getting Started with Linux: Tips for Complete Beginners

Security, Monitoring, OSSEC

How to Install OSSEC Agent on Mac OS

HowTos, Containers, Docker, Virtualization

How to Deploy WordPress as a Docker Container

Containers

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docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Docker Hardened Images (DHI), launched on May 19, 2025, are revolutionizing software supply chain security as attacks are projected to …
automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. …
Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

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

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …
Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

nagios docker

Deploy Nagios as a Docker Container

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

kubernetes secrets

How to Use Secrets in Kubernetes Applications

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

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

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

install docker ce on debian 12

How to Install Docker CE on Debian 12

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Security

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Install and Configure OpenVPN Client on Rocky Linux 8

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

Most Popular

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Install and Setup GlusterFS on Ubuntu
Storage, GlusterFS, HowTos

Setup GlusterFS Distributed Replicated Volume on CentOS 8

The Different Ways People Use The Internet To Get Passive Income
HowTos

The Different Ways People Use The Internet To Get Passive Income

deploy WordPress using Docker compose
Containers, Docker, HowTos, Security, SSL/TLS, WordPress

Deploy WordPress using Docker Compose

Install and Set Up Active Directory on Windows Server 2025 with LDAPS
HowTos, Directory Server

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

Setup NFS Server on Ubuntu
Storage, HowTos

Easy way to Setup NFS Server on Ubuntu 20.04

Install and Configure AlienVault OSSIM on VirtualBox
Security, AlienVault, SIEM

Install and Configure AlienVault OSSIM on VirtualBox

Configure LibModsecurity with Apache on CentOS 8

Process ModSecurity Logs using Wazuh

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Check SSL Certificate Expiry Date from Certificate File

Install GVM 21.04 on Debian 11/Debian 10

How to Install IBM QRadar Community Edition SIEM on VirtualBox

Configure Ubuntu 20.04 as Linux Router

Install and Setup Nessus Scanner on Ubuntu 20.04

Install Kali Linux 2020.3 on VirtualBox

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

Install and Setup Squid Proxy on pfSense

Analyze Network Traffic using Zeek

MONITORING

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check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

Nagios SNMP Monitoring of Linux Hosts

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

koromicha

In this guide, we are going to learn how to configure Nagios SNMP monitoring of …

Install Apache Kafka on Debian 12

Easy Steps: Install Apache Kafka on Debian 12

Kifarunix

This guide provides a step by step tutorial on how to easily install Apache Kafka …

install zabbix agent

Compile and Install Zabbix Agent on FreeBSD 12

koromicha

Welcome to our guide on how to compile and install Zabbix Agent on FreeBSD 12. …

Install GoAccess On Fedora 30/Fedora 29

koromicha

Follow through this guide to learn how to install GoAccess on Fedora 30/Fedora 29. GoAccess …

Install and Setup Nagios

Install Nagios Server on CentOS 8

koromicha

In this guide, you will learn how to install Nagios Server on CentOS 8. Nagios provides …

Install Monitorix on Ubuntu 20.04

How to Install Monitorix on CentOS 8

koromicha

In this guide, we are going to learn how to install Monitorix on CentOS 8. Monitorix is …

install and configure snmp on Linux

Install and Configure SNMP on CentOS 8

gen_too

Welcome to our guide on how to install and configure SNMP on CentOS 8. SNMP …

Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. …

Backup and Restore Elasticsearch Index Data

Backup and Restore Elasticsearch Index Data

gen_too

In this blog post, you will learn how to backup and restore Elasticsearch Index data. …

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. LibreNMS is a fully featured MySQL/PHP …
Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

In this tutorial, you will learn how to monitor SSL/TLS certificate expiry with Prometheus and Grafana. Well, with the assumption …
check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM …

NETWORKING

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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 …
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 …

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 …
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 …
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 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 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 …
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 …
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 …
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 …
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, …
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, …

STORAGE

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Install ownCloud Server on Debian 12

Install and Configure BackupPC on CentOS 8

Install and Setup Rsyslog Server on Ubuntu 22.04

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Easily Install and Configure Samba File Server on Ubuntu 20.04

Provision Block Storage for Kubernetes on Rook Ceph Cluster

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

VIRTUALIZATION

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Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

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

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

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

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 VirtualBox on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 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. …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

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 …
perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended VM installation on VirtualBox 7. …
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 …

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