HowTos, OS

Easy Way to Upgrade Ubuntu 20.04 to Ubuntu 22.04

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koromicha
Source Code Management, Github, Gitlab, HowTos

How to Install Gitlab on AlmaLinux 10 with Let’s Encrypt SSL

Virtualization, HowTos, VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Security, HowTos, Proxy

Install and Setup Squid Proxy on Ubuntu 20.04

Monitoring, HowTos, osquery

Install Fleet Osquery Manager on Debian 10

Containers

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Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source …
How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how to deploy WordPress as a …
How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

How can you install Resource usage extension on Docker desktop? In this guide, you will learn how to install Docker …
backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

install docker ce

Install Docker CE on Ubuntu 20.04

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

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

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

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

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

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

how Kubernetes assigns pods to nodes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

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

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

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

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

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Security

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Install Metasploit Framework on Fedora 29

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

Detecting Malicious Files with Wazuh and VirusTotal

Most Popular

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How to Upgrade Your Computer in 4 Easy Steps
HowTos

How to Upgrade Your Computer in 4 Easy Steps

Monitor Docker Swarm and Container metrics using Metricbeat
Monitoring, Containers, Docker, Elastic Stack, HowTos

Monitor Docker Swarm and Container metrics using Metricbeat

Install Wazuh Manager with ELK on Debian
Monitoring, Elastic Stack, HowTos, Security, Wazuh

Install Wazuh Manager with ELK on Debian 12

Install and Setup OpenLDAP Server
HowTos, Directory Server, OpenLDAP

How to Create OpenLDAP Member Groups

Useful Information You Should Know About Data Privacy
HowTos

Useful Information You Should Know About Data Privacy

Install and Configure Nagios Core From Source on Ubuntu 18.04
Monitoring, HowTos, Nagios

Install and Configure Nagios Core From Source on Ubuntu 18.04

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

How To Reset Or Recover Root Password On OPNsense

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

5 Things You Didn’t Know You Can Do with a VPN

What are the Benefits Of Using a Password Management For Your Business

Deploy WordPress using Docker Compose

How to Enable HTTPS for Request Tracker on Linux

Configure SSH Local Port Forwarding in Linux

Connect to Cisco VPN Using PCF file on Ubuntu

How to Install IBM QRadar CE v7.3.1 on VirtualBox

How to Install NSClient Nagios Monitoring Agent on Windows System

MONITORING

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wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

gen_too

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh …

Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

koromicha

This guide will take you through how to install Zabbix agent on Windows systems. Install …

Install and Setup TIG Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to install and setup TIG Stack …

Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

koromicha

In this blog post, you will learn how to write specific events to specific index …

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 ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

Install LibreNMS on Linux

Install LibreNMS on Rocky Linux

koromicha

Follow through this tutorial to learn how to install LibreNMS on Rocky Linux. LibreNMS is …

check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

prom

Install Prometheus on Rocky Linux 8

koromicha

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install Monitorix on Ubuntu 20.04. Monitorix is …

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 …
Send Alert When ClamAV Finds Infected Files on Linux Systems

Send Alert When ClamAV Finds Infected Files on Linux Systems

In this tutorial, you will learn how to send alert when ClamAV finds infected files on Linux systems. ClamAV is an …

Install Icinga Web 2 on Debian 10 Buster

In this guide, we are going to learn how to install Icinga Web 2 on Debian 10 Buster as our …

NETWORKING

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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 …
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 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

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 …
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, …
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 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 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 …
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 …

STORAGE

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Configure ownCloud OpenLDAP Authentication

Part 1: Integrate OpenStack with Ceph Storage Cluster

How to Deploy Ceph Storage Cluster on AlmaLinux

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

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install and Setup GlusterFS Storage Cluster on CentOS 8

Install and Setup BackupPC Server on Ubuntu 20.04

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

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 …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

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 …

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 …

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 …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

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 …

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 …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

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 …
List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

Follow through this guide to learn how to list running and stopped vms on KVM. KVM, an acronym for Kernel-based …
How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

In this blog post, we’ll provide a step by step tutorial on how to create and delete OpenStack projects. A …

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