Storage, Containers, HowTos, OpenShift

Extend OpenShift CoreOS /sysroot Root Filesystem

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Kifarunix
HowTos

Configure SSSD for LDAP Authentication on Ubuntu 22.04

Database, HowTos, MongoDB

Install MongoDB on Rocky Linux 8

HowTos, VirtualBox, Virtualization

Install VirtualBox Guest Additions on Debian 10 Buster

HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 22.04

Containers

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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

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part …
Deploy Apps on OpenShift Using BuildConfig

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

In this tutorial, I will walk you through how to deploy apps on OpenShift using BuildConfig. OpenShift has become the …
How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

How can you install Docker desktop on Linux? In this tutorial, you will learn how to install Docker desktop on …
install docker ce

Install and Use Docker CE on CentOS 8

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

install portainer on Linux

Install Portainer on Ubuntu 22.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Install and Run MariaDB as a Docker Container

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

docker hardened images

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

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

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

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Security

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Configure SSH Local Port Forwarding in Linux

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Most Popular

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HowTos, PHP

Install PHP 7.4 on CentOS 8

openldap sssd
HowTos, Directory Server, OpenLDAP

Configure SSSD for OpenLDAP Authentication on CentOS 8

HowTos

Everything you need to know about Online JSON

How to Install phpMyAdmin on FreeBSD
Database, FreeBSD, HowTos, phpMyAdmin

How to Install phpMyAdmin on FreeBSD 12

HowTos, Apache, Web Servers

How to Protect Apache Web Directories with Password on Ubuntu 18.04

Install and Configure iSCSI Storage server on CentOS
Storage, iSCSI, Ubuntu 18.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

Check SSL Certificate Expiry Date from Certificate File

Install and Setup Suricata on Ubuntu 18.04

Setup IPSec VPN Server with Libreswan on CentOS 8

Configure Nginx with SSL/TLS certificates on CentOS 8

Setup Multinode Elasticsearch 8.x Cluster

How to Enable Ping response On IBM QRadar SIEM

Understanding OpenShift Security Context Constraints: The Complete Guide

Install Wazuh SIEM Server on Ubuntu 24.04

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

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Configure Apache with SSL/TLS Certificates on CentOS 8

MONITORING

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Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

koromicha

In this article, we are going to learn how to install Nagios Plugins and NRPE …

Install Wazuh Agent on RHEL

How to Install Wazuh Agent on RHEL 8/9/10

Kifarunix

In this tutorial, you will learn how to install Wazuh agent on RHEL 8/9/10. Our …

Install Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If …

Process and Visualize ModSecurity Logs on ELK Stack

Visualize ClamAV Scan Logs on ELK Stack Kibana

gen_too

In this tutorial, you will learn how to visualize ClamAV scan logs on ELK stack …

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

koromicha

Follow through the guide to install OpenNMS network monitoring tool on Ubuntu 20.04. OpenNMS is …

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 …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

gen_too

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor …

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 …

filebeat

Install Filebeat 8 on Debian 12

Kifarunix

How can I install Filebeat 8 on Debian 12? Well, the installation of Filebeat 8 …

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

In this tutorial, you will learn how to install Cortex on Ubuntu 22.04/Ubuntu 20.04. Cortex is a powerful observable analysis …
Configure Filebeat 8 to Write Logs to Specific Data Stream

Configure Filebeat 8 to Write Logs to Specific Data Stream

This guide will take you through how to configure Filebeat 8 to write logs to specific data stream. Are you …

Install and Configure Prometheus on Fedora 29/Fedora 28

In this guide, we are going to learn how to install and configure Prometheus on Fedora 29/Fedora 28. As you …

NETWORKING

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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 …
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 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 …
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, …
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 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

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 …
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 …
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 …

STORAGE

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Install ownCloud Server on Debian 10 Buster

How to Install Duplicati Backup Client on Ubuntu 22.04

Install ownCloud Server on CentOS 8

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

Install ownCloud Server on Debian 11

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

Install ownCloud Desktop Client on Debian 10

VIRTUALIZATION

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Install Debian 10 Buster on VirtualBox

koromicha

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

Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

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 …

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 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 portainer on Linux

Install Portainer on Ubuntu 22.04

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a self-service container service delivery platform …
Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

This guide will take you through how to start and stop KVM virtual machines from command line. As much as …
Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing VirtualBox 7 on Ubuntu 24.04 …

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