today's howtos
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How to Install Python 3.11 on Amazon Linux 2
Amazon Linux 2 is an operating system developed by the team of Amazon Web Services (AWS). You can launch an Amazon ec2 instance using this operating system. Also, the disk images are available for major hypervisor platforms.
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[Bash] How to solve the “unary operator expected” error?
It is very common that Linux users try to learn something about Bash. That’s why today we bring you this short post that will help you to fix the “unary operator expected” error on bash.
When a novice user tries to program in bash, it is possible to encounter all kinds of errors. One of the most common headaches is “Unary Operator Expected”. This error is common and has a very practical solution.
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How to Schedule One-Time Jobs on Linux Using at
Time management is a difficult art to master. Fortunately, with the help of technology, you can automate and delegate mundane tasks to your computer. Unlike humans, PCs are very good at running repetitive tasks at a precise set time.
On Linux, you can run repetitive tasks using tools such as cron. In addition, you can also schedule and run one-time tasks using the at command.
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How to build a Docker image from a Dockerfile
When developing with Docker, you’ll find numerous pre-made images on Docker Hub, though you might not find the exact image you want. Alternatively, perhaps you want to create custom images for a specific purpose. If you don’t want to hand over the deployment of your containerized apps and services to an image built by a third party, I’ll show you how easy it is to build your own Docker image.
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Dealing with user input in bash script
Dealing with user input in bash script can be a tricky task, but with a little bit of knowledge and practice, it becomes a breeze. In this article, we will take a look at some of the ways to handle user input in bash script, including examples to help you understand the concepts better.
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Bash: Interactive versus non-interactive scripts
Bash, or the Bourne Again Shell, is a popular command-line interpreter for Unix-based systems. It is often used to write scripts, which are essentially just a series of commands that are executed in order. However, there are two types of scripts in Bash: interactive and non-interactive. In this article, we’ll take a look at the differences between the two and provide examples of each.
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