How To Use Dockerfiles In Docker
This post will explain how to use Dockerfiles in Docker. You will see a brief introduction to each of the Dockerfile components. You will also see the complete process of …
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A Practical Guide to Using Git
This post will show you how to use Git using some practical examples. Git is a very commonly used tool, and you should know how to use it. Don’t worry; …
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How to Setup Docker on Ubuntu
Docker uses virtualization technology which in turn makes developing and deploying containerized applications a breeze! Virtualization allows the container to be deployed on any machine without any compatibility issues. So …
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How to install Windows Subsystem for Linux
The Windows Subsystem for Linux is a compatibility layer that enables you to run Linux applications natively on Windows 10 and Windows Server 2019. Well done Microsoft! You can choose …
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AWS SNS Invalid parameter TopicArn Error
Read this post if you want to solve the AWS SNS Invalid parameter TopicArn error. First off! This AWS SNS Topic ARN message is quite misleading. Read below to see …
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Bash Script to Create a Swap File in Linux
The Setup Swap Bash script will create a swap file on your Linux instance. The intention is that you can remove and then re-create an existing swap file. This script …
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Apache unable to fork new process – Cannot allocate memory
Read this post if you need to fix the “Apache unable to fork new process – Cannot allocate memory” error. How to find the error The error is available in …
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PHP CLI Tips and Tricks
Read this post if you want some excellent PHP CLI tips and trick. Why will this post help you? Well identifying PHP CLI script problems can be difficult because the …
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How to install htop on RHEL
Performance monitoring is an essential skill for any Linux user. All Linux platforms provides a tool called ‘top’ for this task. I prefer using ‘htop‘, which provides more features. Unfortunately, …
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How to fix to the ‘could not get lock’ error in Ubuntu
This post will show you how to fix the “could not get lock” or “unable to lock” error in Ubuntu. Here is an example of this error when Ubuntu could …
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