AnyDesk, Remote Desktop

Install AnyDesk on Ubuntu 18.04

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koromicha
Monitoring, Prometheus

Install Prometheus Node Exporter on CentOS 8

HowTos

Install Zeek on Debian 11

Security, HowTos, Monitoring, OSSEC, Wazuh

Install and Setup Wazuh Server in CentOS 8/Fedora 32

HowTos, Remote Desktop

Install NoMachine on Debian 12

Containers

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deploy multinode OpenShift cluster using UPI

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

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one …
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 Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

In this blog post, I will walk you through how to implement multi-tenancy on OpenShift using project templates, ResourceQuotas, and …
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

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Deploy Apps on OpenShift Using BuildConfig

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

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

nagios docker

Deploy Nagios as a Docker Container

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

install-and-configure-openshift-odf-ocp

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

Enable User Workload Monitoring in OpenShift 4.20

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

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

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

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Security

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Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

How to Install Outline VPN on Linux Systems

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Most Popular

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Install NoMachine on Ubuntu 20.04
Remote Desktop, HowTos

Install NoMachine on Ubuntu 20.04

HowTos, Security, VPN

Install FortiClient VPN Client on Ubuntu 20.04/Ubuntu 18.04

BackupPC, Storage

Backup Windows System via SMB Using BackupPC

filebeat
HowTos, Elastic Stack, Monitoring

Install and Configure Filebeat on CentOS 8

9 Best Tech Degrees To Get a High-Paying Job
HowTos

9 Best Tech Degrees To Get a High-Paying Job

Install and Setup ZSH and Oh-My-Zsh on Linux
HowTos, Ubuntu 18.04

How to Install and Setup ZSH and Oh-My-Zsh on Ubuntu 18.04

Install and Use Nikto Web Scanner on Ubuntu 20.04

Configure Squid Proxy OpenLDAP Authentication on pfSense

Qualities To Look For When Choosing The Right VPN Service

How to Automate eCryptfs Mounting Procedure

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Install Greenbone Vulnerability Management (GVM) on Debian 12

Install and Setup OpenVPN Server on Ubuntu 20.04

Configure Nginx with SSL/TLS certificates on CentOS 8

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

Install OSSEC Agent on CentOS 8

Install LibModsecurity with Apache on Ubuntu 20.04

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

MONITORING

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Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

koromicha

In this guide, we are going to learn how to install OSSEC agent on Mac …

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 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 …

kibana login page

How to Enable Basic Authentication on ELK Stack

gen_too

In this tutorial, you will learn how to enable basic authentication on ELK stack. Elastic/ELK …

Installing Linux Dash with Nginx on Ubuntu 18.04 LTS

koromicha

This guides presents a simple way installing Linux Dash with Nginx on Ubuntu 18.04 LTS. …

install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

koromicha

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous …

Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

gen_too

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another …

Monitor Squid logs with Grafana and Graylog

koromicha

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

kibana

Install ELK Stack on Rocky Linux 8

gen_too

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the …

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

Kifarunix

In this blog post, I will walk you through how to implement multi-tenancy on OpenShift …

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor Docker containers using Nagios. Monitoring …
Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

In this tutorial, you will learn how to install Wazuh server on Rocky Linux 8/Rocky Linux 9. Wazuh is an …
Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

In this blog post, you will learn how to write specific events to specific index using Logstash. Logstash is a …

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 …
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 …
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 …
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 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 …
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 …
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 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 …

STORAGE

More

Install and Configure BackupPC on Debian 10

Mount Remote Filesystem Over SSH using SSHFS

How Install and Configure iSCSI Storage server on CentOS 7

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

Part 2: Integrate OpenStack with Ceph Storage Cluster

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

How to Start Stop or Restart Ceph Services

Part 3: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

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Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

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 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 …

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 …

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 VirtualBox Guest Additions on Ubuntu 20.04

koromicha

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

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

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 …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

In this tutorial, you will learn how to setup and easily access shared folder on Linux VirtualBox VM. VirtualBox supports …
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 …
Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox 6.1 is available for installation …

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