
Understanding Kubernetes States: Declared vs Observed states Explained

Deploy Ceph Storage Cluster in Kubernetes using Rook

HowTos, VirtualBox, Virtualization
Install Oracle Linux 9 on VirtualBox

Monitoring, HowTos, SNMP
Install and Configure SNMP on Ubuntu 22.04/Debian 11
HowTos, Nginx, Security, SSL/TLS, Web Servers
Configure Nginx with SSL/TLS certificates on CentOS 8

HowTos, OS, Ubuntu 20.04
What OS you should choose for dedicated server?
LPIC-2, Capacity planning, LPIC-2 Exam 201-405 Topics and Objectives
How to Measure Memory Usage in Linux

modsecurity, HowTos, Security
Install LibModsecurity with Apache on Ubuntu 20.04

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29
In this article, we are going to learn how to install Nagios Plugins and NRPE …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon
In this guide, we are going to learn how to send Windows logs to Elastic …
Create Squid Logs Extractors on Graylog Server
In this guide, we are going to go over how to create squid logs extractors …

Integrate Wazuh Manager with ELK Stack
In this tutorial, you will learn how to integrate Wazuh manager with ELK stack as …

Generate Wildcard SSL Certificates for Elasticsearch
Is there an easy way to generate wildcard SSL certificates for Elasticsearch? Yes, definitely. The …

Deploy Nagios as a Docker Container
How to install Nagios core in Docker? In this tutorial, you will learn how to …

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

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

Install and Configure Wazuh Manager on Ubuntu 22.04
In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu …

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps
In this blog post, you will learn how to enable user workload monitoring in OpenShift …
Install latest Graylog on CentOS 7

Install Monitorix on Ubuntu 20.04

Easy Way to Install Wazuh Agents on Ubuntu/Debian

Connect to WiFi in Linux Using NMCLI command

Install Wireshark on Ubuntu 22.04

Install Latest Wireshark on Ubuntu 18.04

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Configure Static IP Addresses using Netplan on Ubuntu

Set Static Routes via an Interface/IP on CentOS/Ubuntu

Useful Facts About Setting Up Mobile Rugged Servers
Install and Setup OpenVPN Server on Fedora 29/CentOS 7

Easy way to Test Internet Speed on Linux Terminal

Install and use NMCLI tool on Debian Linux

Create Virtual/Secondary IP addresses on an Interface in Linux
How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04
In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian
In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …
Upgrade Ubuntu 18.04 to Ubuntu 20.04
Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems
With the release of VirtualBox 6.1 and its new major features, you should be planning …
How to Clone a Virtual Machine on VMware ESXi
Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

Install NixOS with Gnome Desktop on VirtualBox
In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. …

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04
How can I setup a Docker swarm? In this tutorial, you will learn how to …

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

Install Portainer on Debian 11/Debian 10
In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

Install VirtualBox Guest Additions on Wubuntu
Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

Install KVM on Debian 12
















