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koromicha

I am the Co-founder of Kifarunix.com, Linux and the whole FOSS enthusiast, Linux System Admin and a Blue Teamer who loves to share technological tips and hacks with others as a way of sharing knowledge as: "In vain have you acquired knowledge if you have not imparted it to others".

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Hello there. Welcome to our tutorial on how to protect SSH server authentication with fail2ban on Ubuntu 18.04. Fail2ban is intrusion prevention tool written in

Configure Postfix to Use Gmail SMTP Relay

Configure Postfix to Use Gmail SMTP on Ubuntu 18.04

In this guide, we are going to learn how to configure Postfix to use Gmail SMTP on Ubuntu 18.04 to relay mails. To ensure reliable

Configure OpenVPN to Prompt for Credentials on Logon on Windows Systems

Welcome to our tutorial on how to configure OpenVPN to prompt for credentials on logon on Windows systems. In most cases, you may want to

install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous guides, we covered the installation of Zabbix Server on Debian

How to Install RainLoop Webmail Client with Nginx on Ubuntu 18.04

In this tutorial, we are going to learn how to install RainLoop Webmail on Ubuntu 18.04.  RainLoop Webmail is a simple, modern and fast web-based

Integrate Linux Malware Detect with ClamAV

Easily Integrate Linux Malware Detect with ClamAV

Follow through this guide to learn how you can integrate Linux Malware Detect with ClamAV. Linux Malware Detect (LMD), can be configured to use ClamAV

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS is a fully featured MySQL/PHP and SNMP based network monitoring

Install dhclient command on Oracle Linux

Install dhclient command on Oracle Linux

This simple guide will show you how to install dhclient command on Oracle Linux. Have you installed Oracle Linux system and trying to configure automatic

Configure Request Tracker (RT) to send Mails using MSMTP via Office 365 Relay

Configure Request Tracker (RT) to send Mails using MSMTP via Office 365 Relay

In this tutorial, we are going to learn how to configure Request Tracker (RT) to send mails using MSMTP via Office 365 Relay.  Request Tracker

6 Human Resource Management Basics for Every HR

6 Human Resource Management Basics for Every HR

People are essential to the success of any business. The performance of a company is directly related to the effectiveness of its people. Human resource

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Latest Posts

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

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

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

Integrate Request Tracker (RT) with Active Directory for Authentication

How to Enable Self-Service Password Reset in Request Tracker (RT)

Configure Request Tracker to Send Mails using MSMTP via Gmail Relay

Containers

Gracefully Remove Worker Node from Kubernetes Cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

Installing Minikube on Ubuntu 24.04

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

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

Security

Install VeraCrypt on Debian 11

Why Creating a Secure Password is Crucial

Configure CentOS/Rocky/Oracle Linux as a Linux Router

Restrict Access to WordPress Login Page to Specific IPs with libModSecurity

Install and Configure AIDE on Ubuntu 20.04

Top 10 Colleges with Cyber Security Programs

Monitoring

How to Install Nagios Server on Ubuntu 24.04

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

Install ntopng on Rocky Linux 8

How to Setup Multinode Elasticsearch 9 Cluster

Install Nagios on Debian 11

Install OSSEC Agent on Rocky Linux 8

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