Despite Cisco supports both UDS and LDAP directory search, I'd recommend to use LDAP directory search only, due to the caveats ass [...]
The centralised deployment can provide IM and Presence services to multiple remote CUCM voice and video clusters. In a centralised [...]
This is the final post in the Cisco IM&P and MS Lync Intradomain Federation series. We will cover two super important topics - [...]
Introduction
In the last lab EIGRP Routing over DMVPN IPSec Tunnels, I mention that in the production environment, we normally us [...]
Basic IP Telephony concepts and how to access Cisco Unified Communications Manager (CUCM) free environment from Cisco Devnet. [...]
Introduction
This lab lays the foundation of learning CCNA Collaboration. It introduces the basic concepts in the Voice over IP ( [...]
Introduction
My previous blogs Use pfSense to Load Balance Web Servers (1) and Use pfSense to Load Balance Web Servers (2) introdu [...]
Introduction
This lab reuses the server infrastructure built in Deploy Scalable and Reliable WordPress Site on LEMP(1), but add a [...]
Use pfSense to Load Balance Web Servers (1) introduces pfSense, the lab setup, VM specs and download links. This blog will demonst [...]
Several friends mentioned recently that they wanted to learn Linux and asked whether any books and/or videos I'd recommend. I don' [...]
Introduction
In previous post Deploy Scalable and Reliable WordPress Site on LEMP(2), we successful set up Linux+Nginx+PHP+MySQL ( [...]
Deploy Scalable and Reliable WordPress Site on LEMP(1) introduced the LEMP design, lab setup and MySQL configuration. This post wi [...]
What is Digital Signage?
Digital Signage uses technologies such as LCD, LED, TV and projector to display digital content such as [...]
Introduction
My previous blogs Use pfSense to Load Balance Web Servers (1) and Use pfSense to Load Balance Web Servers (2) introdu [...]
Introduction
This lab reuses the server infrastructure built in Deploy Scalable and Reliable WordPress Site on LEMP(1), but add a [...]
Introduction
In the previous article Build Secure File Transfer Solution Using AWS S3 (1), I introduced the solution design, secu [...]
We All Need Secure File Transfer
It is not unusual for companies to protect their commercial and client information. It is not unu [...]
Introduction
In previous post Deploy Scalable and Reliable WordPress Site on LEMP(2), we successful set up Linux+Nginx+PHP+MySQL ( [...]
Several friends mentioned recently that they wanted to learn Linux and asked whether any books and/or videos I'd recommend. I don' [...]
Introduction
I introduced how to use PowerShell/PowerTool to automate Cisco UCS servers via UCS Manager in July 2016. Time to play [...]
Introduction
PowerShell to Automate UCS (1): Lab Setup introduced the UCSM and PowerTool lab setup.
PowerShell to Automate UCS (2) [...]
Services of Cryptography System
Cryptography is more than encryption. The services provided by cryptography system may include the [...]
