HowTos

What is AWS Shared Responsibility Model?

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koromicha
HowTos, DNS, PowerDNS

Install PowerDNS with MariaDB Backend on Fedora 30/29/CentOS 7

Storage, GlusterFS, HowTos

Install and Setup GlusterFS on Ubuntu 18.04

Database, HowTos, LAMP Stack, LEMP Stack, PHP, phpMyAdmin

Install phpMyAdmin on Rocky Linux 8

HowTos

Create Your First Digital Business: 7 Technical Tips to Follow

Containers

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Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

This tutorial will take you through how to install Dozzle real-time log viewer for docker containers on Ubuntu. Dozzle is …
Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Running a secrets manager that requires manual intervention every time a pod restarts is not a secrets manager, it is …
install docker ce on debian 12

How to Install Docker CE on Debian 12

In this tutorial, we are going to learn how to install Docker CE on Debian 12. Docker is a platform …
How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

install docker ce

Install and Use Docker CE on CentOS 8

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

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

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy an OpenShift Cluster Using Agent-Based Installer

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

Security

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Install Arkime Full Packet Capture tool on Ubuntu

Setup OpenVPN Server on CentOS 8

Install OSSEC Agent on Debian 10 Buster

Most Popular

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upgrading ubuntu 22.04 to ubuntu 24.04
HowTos

Easily Upgrade Ubuntu 22.04 to Ubuntu 24.04

install and setup openvpn server in Linux
Security, HowTos, OpenVPN, VPN

Install and Setup OpenVPN Server on Ubuntu 20.04

Bug Tracker, HowTos

Install Mantis Bug Tracker on Ubuntu 20.04

install wps ubuntu
HowTos

Install WPS Office on Ubuntu 24.04

HowTos, Proxy, Ubuntu 18.04

How to Set System Wide Proxy in Ubuntu 18.04

Install Metrics Server on Kubernetes
Containers, Docker, HowTos, Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Essential Cybersecurity Measures for Small Businesses

Install Zammad Ticketing System on Debian 12

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Top Ways To Raise Cybersecurity Awareness In Your Business

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Install OpenVPN Server on Debian 11/Debian 10

Install pfSense Firewall on KVM

Install Osquery on Rocky Linux 8

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Install and Setup DVWA on Rocky Linux 8

Ship System Logs to ELK Stack using Elastic Agents

MONITORING

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install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

koromicha

This guide is about how to configure SNMP version 3 on Debian 9. There are …

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

gen_too

In this tutorial, you will learn how to monitor changes to critical files on Windows …

install Fleet osquery manager on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04/Ubuntu …

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

Kifarunix

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. …

How to Monitor OpenVPN Connections using openvpn-monitor tool

gen_too

In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

In this guide, we are going to learn how to install Zabbix server on Ubuntu …

Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

koromicha

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. …

Visualize WordPress User Activity Logs on ELK Stack

Visualize WordPress User Activity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to visualize WordPress user activity logs on ELK …

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 LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

koromicha

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor is an endpoint monitoring open …
Install ELK Stack 8.x

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

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu 22.04 systems. Elastic/ELK stack 8.x …
Install Wazuh Agent on RHEL

How to Install Wazuh Agent on RHEL 8/9/10

In this tutorial, you will learn how to install Wazuh agent on RHEL 8/9/10. Our previous setup was on setting …

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 …
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 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 …
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 …
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 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 …
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 …
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 …
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 …

STORAGE

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Setup Software RAID on Rocky Linux 8

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

How to Reset Ceph Dashboard Admin Password

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

How to Reduce or Shrink Physical Volume in Linux

Install ownCloud Server on Debian 12

Mount Remote Filesystem Over SSH using SSHFS

Install and Setup GlusterFS Storage Cluster on CentOS 8

VIRTUALIZATION

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Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

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

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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

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

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

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 kvm on ubuntu

How to Install KVM on Ubuntu 24.04

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based Virtual Machine) is an opensource, …
deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04. There are different methods/tools …
kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with Terraform. If you are creating …

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