RSSCategory: LINUX HOWTO

A Better Way To Take Screenshot on Linux using PMSS

PMSS (Poor Man's Screenshooter) is a command line utility which makes capturing screenshots a piece of cake. It is a small, freeware, easy to use shell script which hardly consumes any system resources. It uses well know Linux command line utility, Scrot , on the backend. In order to understand the effectivity of PMSS, lets […]

February 22, 2017 | By in OPEN SOURCE TOOLS
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How To Copy / Paste Command's Output using Xclip on Linux

Clipboard is a very useful utility in modern day operating systems. Clipboard technology uses the method of copy and paste to temporary store and transfer data between different applications or documents. If you are using GUI  based Linux operating system than copy and paste operation is seamless, however, command line users of Linux operating system […]

February 21, 2017 | By in OPEN SOURCE TOOLS
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How to Use BCC Kernel Tracing Tools for Linux Performance Analysis

Greetings, BCC is now available for Ubuntu and in this article we will be showing you its extended command line use to trace Linux systems for performance monitoring. The BPF Compiler Collection (BCC) is a toolkit for building kernel tracing tools that leverage the functionality provided by the Linux extended Berkeley Packet Filters (BPF). BPF […]

February 15, 2017 | By in TROUBLESHOOTING
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Learn Linux Tricks to Generate Checksums and Verify Data Integrity

The checksum is used to verify the correctness of a file. It can be described as a digital fingerprint of a file. By verifying the Checksum value we can determine the correctness of a file while it's been transferred from one location to another. The checksum is a long string of data containing various letters […]

February 15, 2017 | By
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How to Take Screenshots Using Shots on Elementary OS and Ubuntu

In this article we are going to introduce a node.js and electron based application called shots, which is used to take screenshots on linux desktop. This package offers quite few more features compared to Ubuntu's built in screenshot tool. So lets start by installing perequisites. Install prerequisites We are going to install shots to Ubuntu, but you […]

February 14, 2017 | By
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How to Setup OpenVPN Access Server on AWS

This article covers how to setup OpenVPN access server using amazon's machine image. OpenVPN is an open source application that uses a VPN method for creating a secure connection between point-to-point OR site-to-site connections in bridged/routed mode. It uses SSL and TLS connections to traverse NAT connections and firewalls. OpenVPN has been ported to embedded […]

February 9, 2017 | By in SECURITY
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Docker Commands Cheat Sheet Part 1 and 2

The idea of using container was made possible by the namespaces feature added to Linux kernel version 2.6.24. Namespaces allows to create an isolated container that has no visibility or access to objects outside the container. LXC, LXD, systemd-nspawn, Linux-VServer, OpenVZ and Docker are some of the management tools for Linux containers. Main difference between […]

February 8, 2017 | By in CONTAINERS
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How to Setup DNS Server with Docker Container

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 interface. In this article we cover how to implement DNS server using docker container. BIND […]

February 2, 2017 | By in LINUX HOWTO
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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 like SSL termination, load balancing, request routing, caching, compression etc. It also provides control to […]

January 23, 2017 | By in LINUX HOWTO
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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 application. If you have docker services or images running on your system you can verify […]

January 18, 2017 | By in LINUX HOWTO
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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 are going to install Mosquitto on a Ubuntu 16.04 server and we are going to send […]

January 17, 2017 | By in LINUX HOWTO
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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. And unlike databases that are designed for processing hundreds or thousands of changes per minute […]

January 12, 2017 | By
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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 is more preferable. For some cases, I prefer to watch video than reading. Then, now […]

January 11, 2017 | By in LINUX HOWTO
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How Setup Go in Docker and Deploy an Application

Hi, in this tutorial we are going to learn how to deploy a golang web application with a docker. You may be already aware of the fact that docker is entirely written in golang due to its high performance and reliability. Before we dive in details, make sure that you have already installed docker and […]

December 29, 2016 | By in LINUX HOWTO
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