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koromicha
Security, Suricata

Install and Setup Suricata on Ubuntu 18.04

Containers, HowTos, Kubernetes, OpenShift, Storage

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

HowTos, OpenVPN, Security, VPN

Install Cisco AnyConnect Client on CentOS 8

HowTos

How Photo Finish Technology Has Changed Throughout The Years

Containers

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Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

How to install Portainer in Docker Desktop? In this tutorial, you will learn how to install Portainer Extension on Docker …
install docker ce on debian 12

How to Install Docker CE on Debian 12

In this tutorial, we are going to learn how to install Docker CE on Debian 12. Docker is a platform …
Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

In this tutorial, we will provide you with a step-by-step guide on deploying an application on Kubernetes cluster. Kubernetes is …
using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Install and Run MariaDB as a Docker Container

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Deploy Apps on OpenShift Using BuildConfig

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

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

install docker ce

Install and Use Docker CE on CentOS 8

Install and Use Docker on Debian 10 Buster

Security

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Integrate sysPass with OpenLDAP for Authentication

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

Setup Multinode Elasticsearch 8.x Cluster

Most Popular

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HowTos, VirtualBox, Virtualization

Install Debian 10 Buster on VirtualBox

Kubernetes cluster high availability
Containers, HowTos, Kubernetes

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

How to Use RHEL 10 Lightspeed AI to Simplify Linux Administration Tasks
HowTos, RHEL

How to Use RHEL 10 Lightspeed AI to Simplify Linux Administration Tasks

Install MinIO Object Storage Server on RHEL 9
Storage, HowTos

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

ceph reef 18 login page
Storage, Ceph, HowTos

How to Deploy Ceph Storage Cluster on Debian 12

How to Monitor Disk Input/Output on Linux
Monitoring, Capacity planning, LPIC-2, LPIC-2 Exam 201-405 Topics and Objectives

How to Monitor Disk Input/Output on Linux

How to fix WordPress could not establish a secure connection to WordPress.org

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS

Install GVM 21.4 on Kali Linux

How to Integrate TheHive with MISP

How to Configure Apache Tomcat with HTTPS

Install and Configure AIDE on Debian 10

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

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Configure LibModsecurity with Nginx on CentOS 8

Configure Ubuntu 20.04 as Linux Router

Install and Configure AlienVault OSSIM on VirtualBox

MONITORING

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velociraptor

Install Velociraptor Client on Linux and Windows Systems

cr00t

In this tutorial, you will learn how to install Velociraptor Client on Linux and Windows …

Install Grafana on Debian 12

How to Install Grafana on Debian 12

Kifarunix

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

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

Install OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

koromicha

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 …

Install and Setup Nagios

Install and Setup Nagios Core on Ubuntu 20.04

koromicha

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

install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

koromicha

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

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

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Debian 11

koromicha

Follow through this tutorial to learn how to install Sensu Go on Debian 11. Sensu …

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 …

Install Graylog 3.0 on CentOS 7

koromicha

Hello there. Today we are going to learn how to install Graylog 3.0 on CentOS …

Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another Cluster. Elasticsearch data can be …
Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins on CentOS 8

This guide will walk you through how to install Nagios Plugins on CentOS 8. Nagios plugins are standalone extensions to Nagios Core …

Install Prometheus on Ubuntu 18.04

In this guide, we are going to learn how to install Prometheus on Ubuntu 18.04. Prometheus is an open-source systems and …

NETWORKING

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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 …
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 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 …
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 …
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 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 …
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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Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

How to Configure NFS Server on Ubuntu 18.04

Install and Setup GlusterFS on Ubuntu 18.04

Install and Setup Rsyslog Server on Ubuntu 22.04

Install ownCloud Desktop Client on Ubuntu 20.04

How to Move Linux OS Installation to Another Drive

Install ownCloud Server on Ubuntu 22.04

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

VIRTUALIZATION

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Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

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 …

AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

koromicha

In this guide, we are going to learn how to autostart VirtualBox VMs on system …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

Install Ubuntu 20.04 on VirtualBox

koromicha

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

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 KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

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. …

Install Debian 10 Buster on VirtualBox

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

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite a number of new major …
how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many times, not once, not twice …

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