DevOps - DevOps Blog (Page 2)

DevOps

A collection of 164 posts

Docker Build Args: What Are They and How to Use Them

Docker Build Args: What Are They and How to Use Them

While building Docker images, there are times when you might need to customize various aspects of the build process. This could involve choosing specific versions of software, enabling or disabling features, or adjusting other build-time configurations to suit your needs. This is where Docker build args come into the picture.

How to Clear Docker Logs for a Container

How to Clear Docker Logs for a Container

When Docker containers run, they continuously generate log entries, recording everything from system errors to operational information. These logs are essential for troubleshooting and monitoring the health and performance of containers. However, without proper management, these log files can grow to consume significant disk space, potentially leading to issues with

Introduction to DevOps Through Literature

Introduction to DevOps Through Literature

Whether you're just starting out or you're a seasoned professional, there's always more to learn in this ever-evolving field.

How to Keep Docker Container Running

How to Keep Docker Container Running

Docker containers are generally designed to run a specific task or process and will remain active for the duration of that process. When the process finishes, the container exits. However, there are scenarios where you might want to keep the Docker container running indefinitely. This could be for debugging, development,

How to Manage Your K8s with K9s Kubernetes CLI

How to Manage Your K8s with K9s Kubernetes CLI

K9s is a terminal-based UI to interact with your Kubernetes clusters. Learn how to use K9s CLI to monitor and manage your Kubernetes resources.

The DevOps Handbook Book Review

The DevOps Handbook - A Comprehensive Book Review

"The DevOps Handbook" is rightly celebrated as a monumental guide that stands as a pillar of knowledge and inspiration for individuals and organizations navigating the transformative pathways of DevOps.

Effective DevOps - A Comprehensive Book Review

Effective DevOps - A Comprehensive Book Review

"Effective DevOps" is a comprehensive guide that offers valuable insights and practical strategies for fostering a collaborative and effective DevOps culture.

CNCF Tool Interviews Series: OpenTofu

CNCF Tool Interviews Series: OpenTofu

Interviewing the CNCF tool as if it were a real person

Bash Regex: How to Use Regex in a Shell Script

Bash Regex: How to Use Regex in a Shell Script

In this blog post, we understand what regex is, along with some common metacharacters.

4 API Versioning Best Practices in 2023

4 API Versioning Best Practices in 2023

Explore API versioning essentials and best practices for 2023. This guide covers various versioning strategies, emphasizing compatibility, stability, and optimized performance in API development within a dynamic DevOps environment.

Advanced Bash Scripting Course: Your Pathway to Command-Line Mastery

Advanced Bash Scripting Course: Your Pathway to Command-Line Mastery

In the dynamic world of DevOps and system administration, command-line proficiency is a crucial skill. Bash, one of the most widely used command-line shells - and the default for most Unix-based systems, including popular Linux distributions - offers immense power and versatility. Mastering Bash scripting can give you a competitive

Unlock DevOps Mastery with KodeKloud's Free Week

Unlock DevOps Mastery with KodeKloud's Free Week

Unlock unparalleled DevOps expertise with KodeKloud's Free Week. Dive into specialized courses, hands-on labs, and gain insights from industry leaders. Embrace this transformative journey and redefine your DevOps potential.

How to Use Bash Getopts With Examples

How to Use Bash Getopts With Examples

Getopts is a powerful shell command used to parse command line options and arguments. It provides a structured way to handle complex input patterns, thereby making your scripts more readable and maintainable. In this blog post, we’ll start with an understanding of what positional parameters are and their inherent

How to Return Value From a Bash Function

How to Return Value From a Bash Function

Bash, one of the most popular shell scripting languages, handles functions a little differently from what you might expect if you're coming from other programming languages. In particular, returning values from Bash functions can be a bit tricky to understand for newcomers. In this blog post, we’ll

How to Extract Bash Substring

How to Extract Bash Substring

Extracting substrings from a larger string is a fundamental operation in text manipulation, which is an essential skill in Bash scripting. In this blog post, we'll explore three methods that you can use to extract substrings in Bash. We will first look at using Bash's built-in

4 Commands to Check File Size in Linux

4 Commands to Check File Size in Linux

Whether you need to manage disk space, transfer files over the network, or optimize system performance, knowing the file sizes in a Linux system plays a critical role. In this blog post, we’ll explore four different methods you can use to determine a file's size in Linux.

Eof Bash: What Is It and How Does It Work?

Eof Bash: What Is It and How Does It Work?

Have you ever encountered the term EOF in a Bash script and wondered what it means or how to utilize this feature effectively? If so, you're in the right place. In this blog post, we’ll dive deep into the concept of EOF in Bash, explaining what it

How to Convert Bash String to Lowercase

How to Convert Bash String to Lowercase

String manipulation is a fundamental aspect of scripting in any programming language, and Bash is no exception. One common task is converting the case of strings, which is particularly useful in text processing and analysis. In this blog post, we’ll explore two methods of converting Bash string to lowercase

Bash Compare Strings: How to Check if Two Strings Are Equal

Bash Compare Strings: How to Check if Two Strings Are Equal

Knowing how to compare strings is an important skill for validating user input or processing text data. In this blog post, we’ll look at four different methods you can use to check if two strings are equal. We’ll use examples to explain each method, providing you with a

How to Make a Bash Script File Executable in Linux

How to Make a Bash Script File Executable in Linux

A Bash script is essentially a text file containing a series of commands. To make a Bash script file executable means giving it permission to be run as a program. In this blog post, we'll start by taking a deep dive into the concept of file permissions in

How to Search Packages With Apt Search Command

How to Search Packages With Apt Search Command

When you want to install a package on Debian-based Linux distributions using apt, you need to know the exact name of the package. But what if you don’t remember the name? Maybe you remember a portion of a multi-word package name or a few distinct characters. How do you

How to Count the Number of Files in a Directory in Linux

How to Count the Number of Files in a Directory in Linux

Working with Linux often involves dealing with files. One common but deceptively complex task is counting the number of files in a directory. In this blog post, we will explore three different methods for counting the number of files in a directory, each with its own benefits and nuances. Let’