today's howtos
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How to Modify Docker Images
I presume you are a tad bit familiar with Docker and know basics like running docker containers etc.
In previous articles we have discussed updating docker container and writing docker files.
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How to Install and Use Wget Command in Linux | LinuxHowTo
In this tutorial , you will learn how to install and use wget command tool. GNU Wget is a command-line utility for downloading files from the web. it provides a number of options allowing you to download multiple files.
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How To Install Google Cloud SDK on Ubuntu 20.04 – TecAdmin
Google Cloud SDK (Software Development Kit) provides a set of tools that are used to manage resources hosted on Google Cloud Platform (GCP). The SDK provides gcloud, gsutil, nd bq commands with the ability to access the Google Cloud via the terminal.
The Cloud SDK team provides official PPA for the Debian packages to install on Ubuntu systems. Also the Cloud SDK is available in form of Snap package, which allow you to quickly install Google Cloud SDK on Ubuntu system.
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How to Install VMware Workstation Player on Deepin 20
VMware Workstation Player is an ideal utility for running a single virtual machine on a Windows or Linux PC. VMware Player free version is available for non-commercial, personal and home use.
This article tutorials show you how to install VMware Workstation Player on Deepin 20.
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How to encrypt a shell script
Suppose you have written a bash shell script and you want to protect the content of the shell script while sharing it with others. For example, for whatever reason you don't want the shell script to be viewed for inspection and modified for re-distribution by others. Better yet, you want to set the expiration date on the script, so that the script may not be used beyond the set expiration date.
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How to Create Python 3 Virtual Environment on Ubuntu 20.04
Python virtual environment is used to create an isolated environment for Python project which contains interpreter, libraries, and scripts. You can create any number of virtual environments for your projects with each having its own dependencies.
By using virtual environments you avoid installing packages globally which could break other projects.
Putting it in simple words, a virtual environment helps to properly install the specific versions of the packages required by a python project.
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How to Install and Use Docker on Arch Linux
If you are in the IT industry, chances are high that you must have heard of Docker, unless you live inside a cave or a remote region completely shut out from the rest of the world. Docker is an opensource containerization technology that has revolutionized how developers develop and deploy applications. It allows development teams to build, manage and deploy applications inside containers. A Container is a standalone prebuilt software package that packs with its own libraries and dependencies. Containers run in complete isolation of the host operating system and from each other as well.
Docker offers immense benefits. Before containerization, developers used to encounter issues when writing and deploying code on various Linux flavors. An application would work perfectly well on one system only to fail on another system. Docker standardizes code deployment and ensures that the applications can run seamlessly across various computing environments without running into dependency issues or errors. Additionally, containers contribute to vast economies of scale. Docker is resource-friendly, lightweight, and quite efficient.
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How to Limit Depth of ‘tree’ for Recursive File Listing
Usually, the ls command is used in Linux to display files and folders. It is an inbuilt command in GNU/Linux. However, it has its shortcomings, for example, there is no option to view directories recursively.
Today we want to introduce you to a new command called ‘tree’ which is used for recursive file listing, and how we can call it with a limit on the depth of file structure to be displayed.
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A step-by-step guide to Knative eventing | Opensource.com
In a previous article, I covered how to create a small app with Knative, which is an open source project that adds components to Kubernetes for deploying, running, and managing serverless, cloud-native applications. In this article, I'll explain Knative eventing, a way to create, send, and verify events in your cloud-native environment.
Events can be generated from many sources in your environment, and they can be confusing to manage or define. Since Knative follows the CloudEvents specification, it allows you to have one common abstraction point for your environment, where the events are defined to one specification.
This article explains how to install Knative eventing version 0.20.0 and create, trigger, and verify events. Because there are many steps involved, I suggest you look at my GitHub repo to walk through this article with the files.
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