Found 1383 Articles for Open Source

Suppose you are building an application that requires user interface and pops up a window on running the script. And let’s say you want to run that script inside a docker container. Now, you might expect the docker container to run the UI application for you and display the same on your screen. But using normal docker run commands, you won't be able to see or interact with the UI application. You need to connect the display with the container in order to do so. In this article, we will discuss how to do exactly the same.Here, we will see ... Read More

We know that we can run our docker images on cloud services which provide high computations in low cost prices. So, one might wonder why we need to optimize a docker image. Think of a situation where you have copied a large file in your docker container and you actually don’t need it. It’s obvious that it will increase the size of the docker image, it will increase the overall build time of the image and would cause a lot of caching issues as well. So, why not use a simple technique to avoid all these issues and improve the ... Read More

If you want to build a new container image, you need to specify the instructions in a separate document called Dockerfile. This will allow a developer to create an execution environment and will help him to automate the process and make it repeatable. It provides you with flexibility, readability, accountability and helps in easy versioning of the project.No doubt, writing a Dockerfile is one of the most important aspects of a project which includes development using docker. However, how you write a Dockerfile might have a great impact on the performance of your project if you are deploying it on ... Read More

It’s true that the use of docker has skyrocketed in recent times and it will continue to increase in the coming years. Most organizations are now shifting their projects to docker containers if they have not already. Thus, only acquiring basic knowledge regarding creating and maintaining docker containers and images is not enough to keep up with the pace of such a huge technological shift.Managing a large number of containers and images through a single command line interface (CLI) seems to be a tedious task, but with proper set of management skills and hands-on experience with docker CLI commands, this ... Read More

Tmux is a terminal multiple for Unix OS. It provides multiple terminal sessions to its users. It is used when we are using cloud-based services (like Azure, AWS) for the creation of separate terminals for different remote users.While working with web services, one needs to create an EC2 instance on the webserver provided by the company to work on it by creating a session.Now, let’s see the steps of working on a UNIX (Ubuntu) webserver.Step 1 − Write/copy the IP address of your AWS console and download the key file from the console. You will get these from your vendor ... Read More

FedoraFedora is Linux based and open-source operating system intended for developers and system administrators. It is supported by a huge Red Hat Community. It was introduced in Sep 2003. Initially, it was also known as Fedore Core. Fedora OS uses IPSec to connect to remote machines or networks. It uses Internet Key Exchange, IKE protocol to make secure, robust connections between machines.CentOSCentOS is also Linux based open-source distributed operating system. It is quite stable and robust. It was developed over source code Red Hat Enterprise Linux, RHEL and is actively developed by CentOS community which have large number of network ... Read More

FedoraFedora is Linux based and open-source operating system intended for developers and system administrators. It is supported by a huge Red Hat Community. It was introduced in Sep 2003. Initially, it was also known as Fedora Core. Fedora OS uses IPSec to connect to remote machines or networks. It uses Internet Key Exchange, IKE protocol to make secure, robust connections between machines.Red HatRed Hat Enterprise Linux, RHEL is also Linux based operating system but it is targetted for business usage. It is sold using annual/monthly subscription basis including the technical support and Red Hat network. It was introduced in 1994 ... Read More

FedoraFedora is Linux based and open-source operating system intended for developers and system administrators. It is supported by a huge Red Hat Community. It was introduced in Sep 2003. Initially, it was also known as Fedore Core. Fedora OS uses IPSec to connect to remote machines or networks. It uses Internet Key Exchange, IKE protocol to make secure, robust connections between machines.DebianDebian is again a Linux based open-source operating system. It is part of GNU project providing program components to Debian OS. Debian was developed targetting the end-users general purpose. It is highly user friendly and efficient. Many large and ... Read More

The Kali Linux is a Debian-derived Linux distribution designed for penetration testing and digital forensics adopted by both hackers and security professionals. It is highly probable that the user could not have been login owing to the forgotten password or not able to reset the password after installing it in the virtual environment or in the dual boot along with other OS. Hence, this article is designed to teach the aspiring penetration tester how to reset the Kali Linux password.The user is, typically stuck by confronting the following experience while not able to login to the Kali system as follows.But, ... Read More

Red Hat, an American multinational software company, recently released an update of its OpenShift container platform on August 9. This update provides users with capacities which are taken from open-source Kubernetes 1.6 release. This is Red Hat’s quarterly update of the OpenShift platform. This update brings in a lot of changes but the major one is an addition of a Service Catalog which will help IT or third-party vendors in creating connections to internal or external services.This shows that in recent years, OpenShift has mainly become a Red Hat distribution of Kubernetes. The OpenShift is largely responsible for providing enterprise-grade ... Read More