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Posts by tag

CLI

7 posts
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  • 8 min
  • Programming
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Murre – The Lightweight K8s Metrics Monitoring Tool

Meet Murre. Murre is an on-demand, scaleable source of container resource metrics for Kubernetes. Murre fetches CPU & memory resource metrics directly from the kubelet on each K8s Node and enriches the resources with the relevant K8s requests and limits from each PodSpec. Minimalism. Yeah, big word I know, but bear with me here. Basically, it is all about owning only what adds value and meaning to your life, and removing the rest. It’s about removing the clutter and using your time and energy for the things that remain, since we only have a certain amount of energy, time, and…
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  • 2 min
  • Engineering

How-To: Install Google Cloud CLI On Ubuntu 22.04

How to install and use the Cloud SDK for Ubuntu and initialise the sdk using a Google account on Ubuntu 22.04. Prerequisites Operating System : Ubuntu 22.04 Access to a Terminal or Shell Console GCP account for setting up the gcloud locally Web browser for login Cloud SDK Installation 01. Open a terminal 01. Install required packages 02. Add the gcloud CLI distribution URI as a package source. If your distribution supports the signed-by option, run the following command: 03. Import the Google Cloud public key. 04. Update and install the gcloud CLI Authenticating via Browser 08. A link will…
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  • 2 min
  • Platforms

Scale In At Your Own Pace With Compute Engine Autoscaler Controls

In a Compute Engine environment, managed instance groups (MIGs) offer autoscaling that lets you automatically change an instance group’s capacity based on current load, so you can rightsize your environment—and your costs. Autoscaling adds more virtual machines (VMs) to a MIG when there is more load (scaling out), and deletes VMs when the need for VMs is lesser (scaling in). When load declines, the autoscaler removes all unused capacity. This allows you to save costs but might cause the autoscaler to scale in abruptly. For example, if the load goes down by 50%, the autoscaler removes ~50% of your VMs immediately after…
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  • 4 min
  • DevOps

5 Ops Hacks For Sysadmins

As a sysadmin, every day I am faced with problems I need to solve quickly because there are users and managers who expect things to run smoothly. In a large environment like the one I manage, it’s nearly impossible to know all of the systems and products from end to end, so I have to use creative techniques to find the source of the problems and (hopefully) come up with solutions. This has been my daily experience for well over 20 years, and I love it! Coming to work each day, I never quite know what will happen. So, I have a…
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  • 4 min
  • DevOps
  • Programming
  • Software

10 Commands Every Linux User Should Know

You may think you’re new to Linux, but you’re really not. There are 3.74 billion global internet users, and all of them use Linux in some way since Linux servers power 90% of the internet. Most modern routers run Linux or Unix, and the TOP500 supercomputers also rely on Linux. If you own an Android smartphone, your operating system is constructed from the Linux kernel. In other words, Linux is everywhere. But there’s a difference between using Linux-based technologies and using Linux itself. If you’re interested in Linux, but have been using a PC or Mac desktop, you may be wondering what you need to…
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  • 1 min
  • Platforms

How To: Install Azure CLI On Ubuntu

Overview This guide shows how to install the Azure CLI on an Ubuntu OS. Azure CLI can be used for deploying Azure resources using ARM templates.   Prerequisites Azure Portal account and credentials   Installation and Login 01. Run the following command to run a script from Microsoft to install the CLI   02. Login to Azure. A URL and a code will be returned, open it in a browser.   03. Open the link on the browser and enter the code returned in the previous step.   04. You will then be asked to enter your Azure credentials. Note…
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  • 1 min
  • Programming

PyCon 2019 | Writing Command Line Applications that Click

PyCon 2019 | Writing Command Line Applications that Click Speaker: Dave Forgac   Click is a Python package that helps you create well-behaved command line interfaces with minimal code. In this tutorial you will: Learn what makes a command line application “”well-behaved”” Build an application that exercises the most commonly-used features of Click Get an overview of the more advanced functionality available Package and install the application You will leave with an example application that you can use as a basis for your own command line development.   Slides can be found at: https://speakerdeck.com/pycon2019 and https://github.com/PyCon/2019-slides
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