Security, Firewall, HowTos

Configure Ubuntu 20.04 as Linux Router

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gen_too
HowTos, OS

Setting Up Linux VM for Coding: Student Guide

HowTos, , Request Tracker (RT), Ticketing Systems

Configure Request Tracker (RT) to send Mails using MSMTP via Office 365 Relay

HowTos, OS, Ubuntu 20.04

What OS you should choose for dedicated server?

HowTos, Database

Install Microsoft SQL Server 2017 on Fedora 29/CentOS 7

Containers

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install portainer on Linux

Install Portainer on Rocky Linux

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a self-service container service delivery platform …
install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Follow through this guide to learn how to easily install etcdctl on Kubernetes cluster. Kubernetes cluster relies on etcd, a …
kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

What is the difference between Kubernetes kubectl drain and kubectl cordon commands? Well, keeping your Kubernetes cluster healthy and running …
Deploy an OpenShift Cluster Using Agent-Based Installer

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

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

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

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

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

install docker ce on debian 12

How to Install Docker CE on Debian 12

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

nagios docker

Deploy Nagios as a Docker Container

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

kubernetes secrets

How to Use Secrets in Kubernetes Applications

docker hardened images

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

Security

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Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Passbolt Password Manager on Rocky Linux 8

How to Install IBM QRadar Community Edition SIEM on VirtualBox

Most Popular

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HowTos, PHP

Install PHP 7.4 on Debian 10/Debian 9

Top Managed Hosting Providers That You Need to Check Out
HowTos

Top Managed Hosting Providers That You Need to Check Out

install ms teams app on Linux
HowTos, Remote Desktop

Install Microsoft Teams Client on Ubuntu 20.04/18.04

metasploit
HowTos, Security

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

How to Upgrade Your Computer in 4 Easy Steps
HowTos

How to Upgrade Your Computer in 4 Easy Steps

3 Challenges to Wake Up Creativity For Your Business
HowTos

3 Challenges to Wake Up Creativity For Your Business

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Install SpiderFoot on Ubuntu 20.04

Detecting Malicious Files with Wazuh and VirusTotal

Install and Configure AIDE on Ubuntu 18.04

Install Passbolt on Debian 12

Install OSSEC HIDS Agent on Ubuntu 20.04

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

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

Configure Apache with SSL/TLS Certificates on CentOS 8

Quick Way to Enable Kibana HTTPS Connection

How to Monitor OpenVPN Connections using openvpn-monitor tool

Securely SSH to Remote Host via Multiple Jump Hosts

MONITORING

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nagios rocky

Install Nagios Plugins on Rocky Linux 8

gen_too

This guide will walk you through how to install Nagios Plugins on Rocky Linux 8. …

Install Elasticsearch 7.x on CentOS 7/Fedora 29

koromicha

This guide will take you through how to install Elasticsearch 7.x on CentOS 7/Fedora 29. …

Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

koromicha

This is a simple tutorial on how to search and delete specific records from Elasticsearch …

install zabbix agent

Install Zabbix Agent on FreeBSD 12

koromicha

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

koromicha

In this guide, we are going to learn how to send Windows logs to Elastic …

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 …

Install MISP on Ubuntu 22.04/Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04. …

nagios rocky

Install Nagios Server on Rocky Linux 8

gen_too

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

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 …

Install Elastic Stack 7 on Ubuntu

Install and Configure Filebeat 7 on Ubuntu 18.04/Debian 9.8

koromicha

This guide discusses how to install and configure Filebeat 7 on Ubuntu 18.04/Debian 9.8. This …

Install Wazuh Manager with ELK on Debian

Install and Setup Wazuh Server in CentOS 8/Fedora 32

In this tutorial, you will learn how to install and setup Wazuh server in CentOS 8/Fedora 32. Wazuh is an …
Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much as ELK Stack enables you …
How to Monitor IT Infrastructure using Checkmk

How to Monitor IT Infrastructure using Checkmk

In this tutorial, you will learn how to monitor IT infrastructure using Checkmk. Checkmk is a free and Open Source …

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 …
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, …
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 …
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, …
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 …
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 …
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 …
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 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 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 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 …

STORAGE

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Part 1: Integrate OpenStack with Ceph Storage Cluster

Easy way to Install ownCloud Desktop Client on Debian 12

Install and Configure NFS Server on RHEL/CentOS

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

Install ownCloud Server on Debian 11

How to Deploy Ceph Storage Cluster on Debian 12

VIRTUALIZATION

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Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux …

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 …

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

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

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

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 …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how …

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Kifarunix

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

install ubuntu 25.04 on virtualbox

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

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the latest iteration of Canonical’s renowned …
install portainer on Linux

Install Portainer on Rocky Linux

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a self-service container service delivery platform …
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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