HowTos, System Manager

Install Ajenti on Debian 9.8

BY
koromicha
HowTos, chrony, NTP

Setup NTP Server using Chrony on CentOS 8

Linux Commands, HowTos

Check directory usage with du Command in Linux

Security, HowTos, VPN

Setup IPSec VPN server with Libreswan on Rocky Linux

HowTos, Apache, Web Servers

Configure LDAP Based HTTP Basic Authentication

Containers

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using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

This tutorial provides a step-by-step guide to using ConfigMaps in Kubernetes. ConfigMaps in Kubernetes are a powerful tool for managing …
install-and-configure-openshift-odf-ocp

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

In this guide, I’ll walk you through how to install and configure OpenShift Data Foundation on OpenShift, covering everything from …
Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

This tutorial provides a step by step guide on how to install and setup Kubernetes Cluster on Ubuntu 24.04. Kubernetes, …
Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

install docker ce

Install and Use Docker CE on CentOS 8

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

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Enable User Workload Monitoring in OpenShift 4.20

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

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

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

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

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Security

More

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

ExpressVPN – Easy to Use VPN

Setup IPSec VPN Server with Libreswan on CentOS 8

Most Popular

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Join RHEL 8/9/10 to Windows AD with SSSD
HowTos

How to Join RHEL 8/9/10 to Windows AD with SSSD

Install LibreNMS on Linux
Monitoring, HowTos

Install LibreNMS on Rocky Linux

enable openldap logging
HowTos

How to Enable OpenLDAP Audit Logging

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
HowTos, Monitoring, Nagios

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

Monitoring, AlienVault

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

How to Clone VPS Server on Hetzner Cloud
HowTos

How to Clone VPS Server on Hetzner Cloud

The Benefits & Risks of Using Website Encryption

Careers In IT You Need To Know About

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

Top Ways To Raise Cybersecurity Awareness In Your Business

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Easily Integrate Linux Malware Detect with ClamAV

Install Pritunl VPN client on Debian/Ubuntu

How to Enable HTTPS for Request Tracker on Linux

Install Wazuh Agent on Rocky Linux 8

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Install Gophish on Ubuntu 22.04

Install ModSecurity with Apache on Debian 12

MONITORING

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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 …

Create Squid Logs Extractors on Graylog Server

koromicha

In this guide, we are going to go over how to create squid logs extractors …

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 …

Easy way to Integrate TheHive with Cortex

Easy way to Integrate TheHive with Cortex

gen_too

In this tutorial, you will learn how an easy way to integrate TheHive with Cortex. …

Install Sensu Agent on Windows systems

Install Sensu Agent on Windows systems

koromicha

This guide is about how to install Sensu agent on Windows systems. To be able …

install and configure snmp on Linux

Install and Configure SNMP on Debian 10 Buster

koromicha

This guide will take you through how to install and configure SNMP on Debian 10 …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins on CentOS 8

koromicha

This guide will walk you through how to install Nagios Plugins on CentOS 8. Nagios …

Install Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

enroll Windows systems into Osquery Fleet Manager

Enroll Windows Systems into Osquery Fleet Manager

koromicha

Welcome to our guide on how to enroll Windows systems into Osquery Fleet Manager. Fleet is …

nagios nrpe

Install Nagios NRPE Agent on CentOS 8

koromicha

Follow through this guide to learn how to install Nagios NRPE agent on CentOS 8. …

ntopng

Install ntopng on Rocky Linux 8

This guide will take you through how to install ntopng on Rocky Linux 8. ntopng is a high performance web-based …
auditbeat 1

Detect Changes to Critical Files in Linux using Auditbeat and ELK

In this tutorial, you will learn how to detect changes to critical files in Linux using Auditbeat and ELK. Auditbeat …
Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

In this guide, we’ll walk you through the full automation of Nagios monitoring setup using Ansible, from installing Nagios on …

NETWORKING

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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 …
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 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 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 …
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 …
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 …
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 …
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 …
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

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 …

STORAGE

More

How to Reduce or Shrink Physical Volume in Linux

How to Start Stop or Restart Ceph Services

Install and Configure BackupPC on Debian 10

Configure and Use Ceph Block Device on Linux Clients

Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install and Setup BackupPC Server on Ubuntu 20.04

VIRTUALIZATION

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Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

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 …

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. …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

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

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …
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 …
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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