The Internet of Things (IoT) has revolutionized the way we collect, transmit, and process data from a wide range of applications. LoRa (Long-Range) technology has emerged as a popular choice for building low-power, long-range wireless IoT networks. ChirpStack is one of the powerful open-source LoRaWAN software that provides the infrastructure for managing, collecting LoRa IoT […]
Adding a LoRa IoT device in ChirpStack Read More »
It is important to have a failover of every system as it improves the availability of the system and reduces data loss. In this articale, we describe how you can have near-live synchronization between two Zimbra servers so that one of them is live and the other is kept in a warm or very warm
Setting up zimbra redundancy – live sync Read More »
In order to improve online learning, educator and learners collaboration, moodle and BigBlueButtion were designed independently and these two can be integrated with ease. About Moodle; Moodle is an open source learning management system designed to create a learning environment for educators, learners and administrators. Moodle can be installed on a person\’s web server, it
Integrating BigBlueButton with Moodle Read More »
In Zimbra, there are two different images to re-brand: one is the image that appears in the Login window and the other is the image in the top-left corner when you are logged in. Each image has a different size, and the logos for the open source email platform (FOSS) should be set to the
Adding Logos in Zimbra Read More »
In a recent article, http://“https://blog.renu.ac.ug/index.php/2020/06/17/using-Cacti-to-monitor-your-bandwidth-consumption/”, we learnt how to monitor bandwidth consumption using Cacti and the assumption was that your service provider had given you access to their own Cacti tool which they use to monitor your consumption. In this article, we shall learn how to install and configure Cacti on your own server either
Installing and configuring cacti on ubuntu to monitor the network Read More »
Cacti is a free network graphing tool that is used to visualize the time series data obtained by the Round-Robin database tool (RDD tool). The tool polls network devices like switches and routers via SNMP and then graphs their data. Some of the data that are polled are CPU load, temperature, uptime and network bandwidth
Using cacti to monitor bandwidth consumption Read More »
