Containers, Docker, HowTos, Kubernetes

Installing Minikube on Ubuntu 24.04

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Kifarunix
Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Ubuntu 21.04

Security, HowTos, Networking

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Monitoring, HowTos

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

HowTos, wiki

Install DokuWiki on Debian 11

Containers

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role-based access control in kubernetes

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

This blog post serves as an introduction to Role-Based Access Control (RBAC) in Kubernetes. It is no doubt that currently, …
Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

In this guide, we will explain OpenShift Security Context Constraints (SCCs) in simple terms. SCCs are essential components of OpenShift …
Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

In this tutorial, you will learn how to configure HTPasswd Identity Provider in OpenShift 4.x. The HTPasswd IdP is one …

Install and Run MariaDB as a Docker Container

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

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

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

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

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Install and Use Docker on Debian 10 Buster

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

install portainer on Linux

Install Portainer on Debian 11/Debian 10

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kubernetes Ingress Explained

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

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Security

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Install and Configure Endian Firewall on VirtualBox

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Deploy WordPress using Docker Compose

Most Popular

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Install and Setup PowerDNS on Ubuntu
DNS, HowTos, PowerDNS

Easily Install and Setup PowerDNS on Ubuntu 20.04

install and setup openvpn server in Linux
HowTos, OpenVPN, Security, VPN

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

HowTos, Nginx, Web Servers

Install Nginx on Debian 10 Buster

What To Do If You Deleted Important Files On Your Hard Drive
HowTos

What To Do If You Deleted Important Files On Your Hard Drive

Install OPNsense on VirtualBox
Security, Firewall, OPNsense

How To Reset Or Recover Root Password On OPNsense

Install GVM 21.4 on Kali Linux
Security, HowTos, Vulnerability Scanners

Install GVM 21.4 on Kali Linux

Configure Guacamole SSL/TLS with Nginx Reverse Proxy

Install GVM 21.4 on Kali Linux

How to Monitor OpenVPN Connections using openvpn-monitor tool

How to Install RTIR Module on Request Tracker [2025]

Install FortiClient VPN Client on Ubuntu 20.04/Ubuntu 18.04

Configure SSH Local Port Forwarding in Linux

How to Add and Scan a Target for Vulnerabilities on OpenVAS Scanner

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Setup OpenVPN Server on Rocky Linux 8

The Smart Business Owner’s Guide to Access Control and Biometric Security

Install Modsecurity with Nginx on Rocky Linux 8

MONITORING

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

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

koromicha

This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian …

Monitor Squid logs with Grafana and Graylog

koromicha

In this guide, we are going to learn how to monitor squid logs with Grafana …

Integrate Prometheus with Grafana for Monitoring

koromicha

This guide will take you through how to integrate Prometheus with Grafana for Monitoring. As …

Install and Configure Zabbix

Install and Configure Zabbix 4.0 from Source on Fedora 29/Fedora 28/CentOS 7

koromicha

Install Zabbix Run the command below to install the Zabbix daemon binaries (zabbix_server, zabbix_agentd, zabbix_proxy) …

Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

koromicha

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. …

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 Wazuh Manager with ELK on Debian

Install and Setup Wazuh Server in CentOS 8/Fedora 32

kaptotonindet

In this tutorial, you will learn how to install and setup Wazuh server in CentOS …

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 Arkime (Moloch) Full Packet Capture tool on Ubuntu

Install Arkime Full Packet Capture tool on Ubuntu

gen_too

Welcome to our tutorial on how to install Arkime (Moloch) Full Packet Capture tool on …

How to Copy Kibana Dashboard to Another Kibana Space

How to Copy Kibana Dashboard to Another Kibana Space

koromicha

Is it possible to copy Kibana dashboard to another Kibana Space? Yes, definitely. In this …

Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

This is a simple tutorial on how to search and delete specific records from Elasticsearch index. Elasticsearch ships with a …
Install Logstash 9 on Ubuntu/Debian

Install Logstash 9 on Ubuntu/Debian

This guide is about how to install Logstash 9 on Ubuntu/Debian as a continuation of our guide on how to …

Install and Setup TIG Stack on Ubuntu 20.04

In this tutorial, we are going to learn how to install and setup TIG Stack on Ubuntu 20.04. TIG stack …

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 …
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 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 …
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 …
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 …
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 …
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 …
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, …
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 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 …

STORAGE

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Easy Way to Extend KVM Virtual Machine Disk Size

How to Deploy Ceph Storage Cluster on AlmaLinux

Install and Configure NFS Server on RHEL/CentOS

How to Install MinIO Object Storage Server on RHEL 9

Setup Software RAID on Ubuntu 20.04

Install and Setup BackupPC Server on Ubuntu 20.04

How to Encrypt Data at Rest on Ceph Cluster OSD

How to Deploy Ceph Storage Cluster on Debian 12

VIRTUALIZATION

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upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

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 …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

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 …

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 …

Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

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

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

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 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 Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

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

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being likely to be released on …
Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

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

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