A Dockerfile is used to create a Docker container image, this will be used to created the DNS Server. An easy way to setup a basic DNS server with Docker is to use the BIND DNS server bundled with the Webmin [...]
How to Setup Network Monitoring with OpenNMS on Ubuntu 16.04
OpenNMS is a carrier-grade, highly integrated, open source platform designed for building network monitoring solutions. It has the capability to discover and monitor the nodes automatically in a network. Also you can monitor a service by assigning it to Open-NMS. [...]
How to Make Call using Opensource Voip Linphone on Ubuntu
We have had an article on installing Asterisk 13 on Ubuntu, but we did not go trough actually connecting with softphone and making the call. The article have been only about server side setup. Now we are going to build [...]
How to Setup Teampass Password Manager on Ubuntu 16.04
Teampass is a dedicated password manager for storing/accessing passwords securely in MySQL database. It is especially designed for business and enterprise environment and provides team manager a powerful tool for customizing passwords access depending on users role. This article covers how [...]
How to Setup Foreman to Manage Puppet Nodes on Ubuntu 16.04
Hello everyone, welcome to our today's article on Foreman to manage your Puppet Nodes on Ubuntu 16. Foreman is an open source tool that helps system administrators to manage servers throughout their life cycle, from provisioning and configuration to orchestration [...]
How to Setup Jenkins on Docker Container
Jenkins is one open source tool to perform continuous integration and build automation. A developer can easily build and test software using continuous integration through jenkins in a project life cycle. It allows continuous delivery of software by building pipelines [...]
How To Synchronize Directories using Syncthing on Ubuntu 16.04
Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted [...]
How to Setup NGINX as Reverse Proxy Using Docker
A reverse proxy server is a server that typically position itself behind the firewall in a private network and retrieves resources on behalf of a client from one or more servers. A reverse proxy provides an additional level of abstraction [...]
How to Stop, Remove and Clean up Docker
Are you new to docker? then running and maintaining docker applications is easy. This article explains how to stop docker container applications using docker stop, docker-compose stop and docker kill. docker-compose comes handy when managing a complex multi container docker [...]
How to Setup Mosquitto MQTT Server on Ubuntu 16.04
Mosquitto MQTT Server is a message broker which works over MQTT protocol. MQTT is lightweight messaging protocol that is ISO standard for use on top of TCP/IP protocol. It is mostly used for communicating with Internet of Things devices. We [...]
How to Setup LEMP Stack on Docker
In this tutorial we will setup a LEMP stack inside a docker. We can easily pull and setup LEMP image inside a docker in a couple of minutes. But for better understanding of the stack, we will setup each of [...]
How to Install OpenLDAP with phpLDAPadmin on an Nginx Server
The Lightweight Directory Access Protocol, better known as LDAP. It used to manage and access related information in a centralized, hierarchical file and directory structure. An LDAP information directory is a type of database, but it's not a relational database. [...]
How To Record and Share Linux Terminal Activity using Asciinema
Writing is a one method to save our knowledge. Using this method, we can produce - let say - books. Along with advances in technology, we can convert paper into file. Since the speed of Internet is becoming faster, video [...]
A Guide on Docker Dockerfile and Example to Build Image
The current article will walkthrough one of the most used concept in docker ecosystem which is the Dockerfile. We will explore the building blocks of Dockerfile to automate the building of docker images for our applications and services. Dockerfile is basically [...]