HowTos, CMS

Install Automad CMS on Debian 10/Ubuntu 18.04

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koromicha
HowTos, Guacamole, Remote Desktop

Guacamole: How to fix RDP server closed/refused connection: Security negotiation failed (wrong security type?)

Bug Tracker, HowTos

Install Mantis Bug Tracker on Ubuntu 20.04

HowTos, BackupPC, Storage

Install and Configure BackupPC on Debian 10

HowTos, PHP

Install PHP 8.0/8.1/8.2/8.x on Ubuntu 22.04

Containers

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deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

In this guide, you will learn how to easily deploy AWX on Kubernetes cluster using AWX Operator. AWX is an …
Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

This blog post will take you through Kubernetes resource optimization with Vertical Pod Autoscaler. Managing resource allocation efficiently in Kubernetes …
Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Introduction In today’s rapidly evolving technological landscape, serverless computing has emerged as a game-changer, redefining the way developers build and …
install docker ce

Install and Use Docker CE on CentOS 8

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

install docker ce

Install Docker on Rocky Linux 8|9

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

docker hardened images

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

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Security

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How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Configure CentOS/Rocky/Oracle Linux as a Linux Router

How to Reset Ceph Dashboard Admin Password

Most Popular

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Is Linux the Best OS for Computer Science Students
HowTos, Linux Commands

Is Linux the Best OS for Computer Science Students

The Benefits & Risks of Using Website Encryption
HowTos, Encryption, Security

The Benefits & Risks of Using Website Encryption

The Truth by Edubirdie Reviews
HowTos

The Truth by Edubirdie Reviews

rocky openldap
HowTos, Directory Server, OpenLDAP

Install and Setup OpenLDAP on Rocky Linux 8

Install and Setup Nagios
HowTos, Monitoring, Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS
HowTos, Nginx, Security, WAF, Web Servers

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS

Install and Setup Nessus Scanner on Ubuntu 20.04

Top 15 Emerging Technology in Cybersecurity

Install and Configure Tripwire Security Monitoring tool on CentOS 8

Install Wireshark on Ubuntu 22.04

Install OSSEC Agent on CentOS 8

Setup IPSec VPN Server with Libreswan on CentOS 8

How to Install and Setup AlienVault HIDS Agent on a Windows Host

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

VPNs are your Must Have Privacy Tool

How to Monitor OpenVPN Connections using openvpn-monitor tool

Encrypt Emails using Enigmail on Thunderbird

Essential Cybersecurity Measures for Small Businesses

MONITORING

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How to Monitor Disk Input/Output on Linux

How to Monitor Disk Input/Output on Linux

koromicha

In this tutorial, you will learn how to Monitor Disk Input/Output on Linux. In most …

Install Grafana Monitoring Tool on Fedora 29

koromicha

This is yet another guide on how to install Grafana monitoring tool on Fedora 29. …

filebeat

Install Filebeat on Fedora 30/Fedora 29/CentOS 7

Jay Decrame

In this guide, we are going to learn how to install Filebeat on Fedora 30/Fedora …

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

koromicha

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. …

How to Integrate ELK Stack with TheHive

How to Integrate ELK Stack with TheHive

gen_too

In this tutorial, we are going to learn how to integrate ELK stack with TheHive. …

zabbix login int 1

Install Zabbix Server from Source on Debian 11

koromicha

In this guide, we are going to learn how to install Zabbix Server from source …

Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

koromicha

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. …

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 …

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 …

ossec

Install OSSEC Agent on Rocky Linux 8

gen_too

This guide presents a step-by-step tutorial on how to install OSSEC Agent on Rocky Linux …

Install Graylog 3.0 on CentOS 7

Hello there. Today we are going to learn how to install Graylog 3.0 on CentOS 7. Graylog is a leading …
Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

Welcome again to our yet another guide on how to install Zabbix 4.x from sources on Debian 10 Buster. In …
Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

In this guide, you will learn how to install Prometheus on Debian 12. Prometheus is an open-source systems and service monitoring system. …

NETWORKING

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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 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

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 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 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 …
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 …
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 …
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, …
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

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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How to Setup Ceph Admin Node in High Availability

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

Setup Software RAID on Ubuntu 20.04

Configure and Use Ceph Block Device on Linux Clients

Install ownCloud Server on Ubuntu 22.04

Easily Install and Configure Samba File Server on Ubuntu 20.04

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

How to Access Samba Share on Linux and Windows Systems

VIRTUALIZATION

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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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

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

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

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

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

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 Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux 9. We are installing the …
kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need Guest additions installed on the …

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