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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".
install ntp client on Linux

Setup NTP Client using Chrony on Rocky/Oracle Linux

In this tutorial, you will learn setup NTP client using Chrony on Rocky/Oracle Linux. Clock synchronization is one of the ISO 27001 requirements for logging

Install Zimbra Mail Server on Fedora30/29/CentOS 7

In this guide, we are going to learn how to install Zimbra Mail Server on Fedora30/29/CentOS 7. Zimbra is an enterprise-class email, calendar and collaboration

install Redmine

Install Redmine on CentOS Stream 8|CentOS Stream 9

This guide will take you through how to install Redmine on CentOS Stream 8|CentOS Stream 9. Redmine is a cross-platform as well as cross-database flexible project management

openvpn ldap auth

Configure OpenVPN LDAP Based Authentication

In this guide, we are going to learn how to configure OpenVPN LDAP Based Authentication. Identification and authentication of users is usually the first step

Run only Specific Commands with sudo in Linux

How to Add Users to sudo group in Linux

In this guide, we are going to learn how to add users to sudo group in Linux. More often than not, you want, as a

Setup OpenLDAP Master-Slave Replication on CentOS 8

In this guide, we are going to learn how to setup OpenLDAP Master-Slave Replication on CentOS 8. In recent versions of OpenLDAP, the terms Master

Install OpenVAS 10 (GVM) on Debian 10 Buster

In this guide, we are going to learn how to install OpenVAS 10 (GVM) on Debian 10 Buster. The Greenbone Vulnerability Management version 10 (GVM-10)

nagios

Add Hosts to Nagios Server For Monitoring

In this guide, we are going to learn how to add hosts to Nagios Server for monitoring. Well, in order to monitor your remote hosts

Install CentOS 8 on VirtualBox

So CentOS 8 is just released a few days ago and you would like to test it? Well, let us learn how to install CentOS

Monitor OpenVPN Connections with Prometheus and Grafana

Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is a data visualization and monitoring tool and supports time series

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Security

Top 10 Colleges with Cyber Security Programs

Install and Enroll Elastic Agents to Fleet Manager in Linux

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Monitoring

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Install Telegraf on Fedora 30/Fedora 29

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Forward Apache Logs to Central Log Server with Rsyslog

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