HowTos, Security

Install Metasploit on Debian 11/Debian 10

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koromicha
HowTos

Install Zeek on Debian 11

HowTos

How to Install Slack on Ubuntu 24.04

Monitoring, Containers, Docker, Elastic Stack, HowTos

Deploy ELK Stack 8 Cluster on Docker Containers

HowTos

How to Clone VPS Server on Hetzner Cloud

Containers

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Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

This tutorial will take you through how to install Dozzle real-time log viewer for docker containers on Ubuntu. Dozzle is …
How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

In this guide, I’ll walk you through how to configure production-ready monitoring in OpenShift 4.20. While OpenShift ships with cluster …
Deploy an OpenShift Cluster Using Agent-Based Installer

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

In this guide, you will learn how to deploy an OpenShift cluster using Agent-based installer. Last month, I spent three …
install docker ce

Install Docker CE on Ubuntu 20.04

Deploy an OpenShift Cluster Using Agent-Based Installer

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

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

docker hardened images

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

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

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

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

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

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

Security

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Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

How to Install OSSEC Agent on Mac OS

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Most Popular

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export Kibana search results to CSV/Excel file
Monitoring, Elastic Stack, HowTos

Easily Export Kibana Search Results to CSV/Excel file

HowTos, Nessus, Security, Vulnerability Scanners

Install Nessus Professional Scanner on Debian 10

Windows server security essentials from experienced system administrators
HowTos, Security

Windows Server Security Essentials from Experienced System Administrators

HowTos, Remote Desktop

How to Install and Configure Guacamole on Fedora 29

HowTos, Monitoring, Prometheus

Install and Configure Prometheus on Fedora 29/Fedora 28

Install PHP 8 on Debian 12
HowTos, Database, PHP, phpMyAdmin

How to Install PHP 8 on Debian 12

Install and Configure Squid Proxy on Fedora 29/Fedora 28/CentOS 7

6 Cyber Security Tips Everyone Who Runs A Company Should Know

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Encrypt Emails using Enigmail on Thunderbird

Install and Setup Velociraptor on Ubuntu 18.04

Import Assets to AlienVault USM/OSSIM using a CSV file

Install Gophish on Ubuntu 22.04

How to Integrate TheHive with MISP

Install and Setup Security Onion on VirtualBox

How to Install OSSEC Agent on Mac OS

How to Reset Ceph Dashboard Admin Password

MONITORING

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Install Grafana on Debian 12

How to Install Grafana on Ubuntu 24.04

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Ubuntu …

easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu …

Install Elastic Stack 7 on Ubuntu

Installing ELK Stack on CentOS 8

koromicha

Welcome to our guide on installing ELK Stack on CentOS 8. ELK is the acronym …

Install and Setup Nagios

Install and Setup Nagios on Ubuntu 22.04

Jay Decrame

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

Install and Configure Wazuh Manager

Install and Configure Wazuh Manager on Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

koromicha

This simple guide will take you through how to Measure CPU Usage in Linux. CPU …

nxlog-ce

Configure NXLog to Forward System Logs to Rsyslog Server on Ubuntu

koromicha

In this guide, we are going to learn how to configure NXLog to forward system …

Install latest Graylog on CentOS 7

koromicha

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

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 …

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Kifarunix

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

Install Grafana on Debian 12

How to Install Grafana on Ubuntu 24.04

In this guide, we will provide step-by-step instructions on how to install Grafana on Ubuntu 24.04. Grafana is a powerful …
install icinga2/icingaweb2

Install Icinga 2 and Icinga Web 2 on Ubuntu 20.04

In this tutorial, we are going to learn how to install Icinga 2 and Icinga Web 2 on Ubuntu 20.04. …
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

In this blog post, I will walk you through how to implement multi-tenancy on OpenShift using project templates, ResourceQuotas, and …

NETWORKING

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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 …
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 …
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 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 …
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 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 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 …
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 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 …
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 …

STORAGE

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Setup GlusterFS Distributed Replicated Volume on CentOS 8

How to Encrypt Data at Rest on Ceph Cluster OSD

Backup Windows System with BackupPC Using Rsyncd

Provision Block Storage for Kubernetes on Rook Ceph Cluster

How to Deploy Ceph Storage Cluster on Rocky Linux

How to Install BackupPC on Debian 12

Shrink KVM Virtual Machine LVM Partitioned Disk

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

VIRTUALIZATION

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Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux …

Install Debian 10 Buster on VirtualBox

koromicha

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

Install VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

Do you have some VirtualBox virtual machines that you would like to re-use on your …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

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 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. …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

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 Upload ISO File to VMware ESXi Datastore using vSphere Client

Hello there, welcome to this tutorial on how to upload an ISO file to VMware ESXi using vSphere client. Well, …
Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …
Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …

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