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Category: Centos/Redhat

How To Install Nagios on CentOS 8 / RHEL 8
Centos/Redhat Linux Monitoring Tools Nagios

How To Install Nagios on CentOS 8 / RHEL 8

January 14, 20212 min read

Nagios is a free, open-source monitoring tool which helps us to monitor services and applications that run on Windows, Linux, Routers, and other network devices. With the help of Nagios graphical

How To Install Puppet On CentOS 8 / RHEL 8
Centos/Redhat Linux

How To Install Puppet On CentOS 8 / RHEL 8

January 14, 20217 min read

Puppet is an open-source configuration management tool that helps us to automate IT infrastructure, including provisioning, configuration management, patching of hundreds of client systems from the central location.

How To Secure Apache with Let’s Encrypt on CentOS 7
Centos/Redhat Linux

How To Secure Apache with Let’s Encrypt on CentOS 7

January 14, 202112 min read

Introduction Let’s Encrypt is a Certificate Authority (CA) that provides free certificates for Transport Layer Security (TLS) encryption, thereby enabling encrypted HTTPS on web servers. It simplifies

How to Install Zimbra Universal UI
Centos/Redhat Linux Ubuntu

How to Install Zimbra Universal UI

January 10, 20212 min read

This Zimbra Universal UI was obtained from Unofficial Zimbra 8.8.5 that created by Zeta Alliance. I am copying zimbra folder from webapps and save into

How to Install Zimbra 9 Open Source Edition (Unofficial) on CentOS 7
Centos/Redhat Linux

How to Install Zimbra 9 Open Source Edition (Unofficial) on CentOS 7

January 10, 20214 min read

Zimbra 9 has just been released. But the binary only available for Zimbra NE. When I see the release note, Zimbra announces “There are no Open

Install Observium on CentOS 7 / Debian 9 / Ubuntu 16.04 – A Network Management and Monitoring System
Centos/Redhat Linux

Install Observium on CentOS 7 / Debian 9 / Ubuntu 16.04 – A Network Management and Monitoring System

January 7, 20217 min read

Observium is an open source, low-maintenance, auto-discovering network monitoring tool for operating systems and network hardware. It supports Linux and Windows operating systems and network hardware like Cisco, Juniper, Brocade, Foundry, HP.

How to Monitor Linux Machines with Observium
Centos/Redhat Linux

How to Monitor Linux Machines with Observium

January 7, 20214 min read

In our last article, we set up Observium for monitoring servers and network devices. This guide focus on adding Linux machines to the Observium tool for

Configure FreeIPA server On CentOS 7 / RHEL 7 – A Identity Management System
Centos/Redhat Linux

Configure FreeIPA server On CentOS 7 / RHEL 7 – A Identity Management System

January 7, 20213 min read

FreeIPA is an opensource identity management system for Linux/Unix environments which provides centralized account management and authentication, like Microsoft Active Directory or LDAP. FreeIPA is a combination

How To Install MariaDB on CentOS 7 / RHEL 7
Centos/Redhat Linux

How To Install MariaDB on CentOS 7 / RHEL 7

January 7, 20212 min read

MariaDB is one of the popular open-source database management system used by small to large enterprises. It is a fork of MySQL, developed by MariaDB Corporation Ab, led by

How To Setup Let’s Encrypt SSL Certificate with Apache on CentOS 8 / RHEL 8 & CentOS 7 / RHEL 7
Centos/Redhat Linux

How To Setup Let’s Encrypt SSL Certificate with Apache on CentOS 8 / RHEL 8 & CentOS 7 / RHEL 7

January 7, 20215 min read

Let’s Encrypt is a widely known certificate authority that provides free SSL certificates for websites, launched in April 2016. With the help of Certbot client, certificate

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2020 Cybersecurity Trends

https://www.youtube.com/watch?v=GxpVfQM1wbc

Philip Hùng Cao

https://www.youtube.com/watch?v=ctjC-9k9GZE

Zero Trust:

https://www.youtube.com/watch?v=MxiuCXNCzFI

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