HowTos, Database, FreeBSD, PHP, phpMyAdmin

Install FAMP Stack on FreeBSD 12

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koromicha
HowTos, Security

Top 8 Security Skills To Prevent Cyber Threats

HowTos

Install Rundeck on Rocky Linux

Monitoring, HowTos, Prometheus

Install Prometheus on Debian 10

Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Kali Linux 2021.3

Containers

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

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

A container with no shell is doing the right thing. A secrets pipeline that cannot deliver credentials to that container …
Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

How can you setup Kubernetes cluster on Ubuntu? In this tutorial, you will learn how to install and setup Kubernetes …
Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

If you are about to create your first CloudBees CI managed controller on OpenShift and plan to “turn on HA …
monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

install docker ce

Install and Use Docker CE on CentOS 8

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

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

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

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Scale OpenShift Data Foundation Storage on Bare Metal

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

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

install docker ce

Install Docker CE on Ubuntu 20.04

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

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

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

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

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Security

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

Configure APT Proxy on Debian 10 Buster

Setup OpenVPN Server on CentOS 8

Most Popular

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install and setup ntp server
HowTos, NTP, ntpd

Configure NTP Server using NTPd on Fedora 30

install nessus ubuntu 20.04
Vulnerability Scanners, HowTos, Nessus, Security

Install and Setup Nessus Scanner on Ubuntu 20.04

Run only Specific Commands with sudo in Linux
HowTos, Linux Commands, sudo

Run only Specific Commands with sudo in Linux

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)
Security, HowTos, RHEL, SSH

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

Where to Sell CS:GO Skins in 2023
HowTos

Where to Sell CS:GO Skins in 2023

BIND, DNS, HowTos

Configure BIND as Slave DNS Server on Ubuntu 18.04

Setup IPSEC VPN using StrongSwan on Debian 10

How to Install IBM QRadar Community Edition SIEM on VirtualBox

Encrypt Emails using Enigmail on Thunderbird

Install sysPass Password Manager on Rocky Linux

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Install Gophish on Ubuntu 18.04/Debian 9.8

Install and Configure Snort 3 on Rocky Linux

Install and Setup VeraCrypt on Rocky Linux

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

How to Integrate ELK Stack with TheHive

Install and Setup VeraCrypt on Ubuntu 22.04/Ubuntu 20.04

Install ModSecurity 3 with Nginx on Debian 12

MONITORING

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Install Elasticsearch 7.x on CentOS 7/Fedora 29

koromicha

This guide will take you through how to install Elasticsearch 7.x on CentOS 7/Fedora 29. …

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

In this guide, we are going to learn how to add hosts to Nagios Server …

Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

Kifarunix

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

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

Install and Configure Telegraf on FreeBSD 12

koromicha

Welcome to our guide on how to install and configure Telegraf on FreeBSD 12. If …

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

Kifarunix

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to …

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

Kifarunix

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

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kifarunix

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker …

Install Elasticsearch 7 on Fedora 30

In this guide, you are going to learn how to install Elasticsearch 7 on Fedora 30. We have covered similar installations …
Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. OSSEC is an Open Source …
Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of this writing, Elastic Stack 8.3 …

NETWORKING

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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 …
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 …
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 …
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 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 …

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 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 …
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 …
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

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Install ownCloud Server on Debian 11

Backup Windows System with BackupPC Using Rsyncd

Part 3: Integrate OpenStack with Ceph Storage Cluster

Part 1: Integrate OpenStack with Ceph Storage Cluster

Install ownCloud Desktop Client on CentOS 8

Setup Software RAID on Rocky Linux 8

How to Encrypt Data at Rest on Ceph Cluster OSD

Shrink KVM Virtual Machine LVM Partitioned Disk

VIRTUALIZATION

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Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. …

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

Kifarunix

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

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

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

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

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 …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been released. According to the release …

Install VirtualBox Guest Additions on Ubuntu 20.04

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …
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 …

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