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environment variables

130 articles · Page 2 of 2
Python Crawling & Data Mining
Python Crawling & Data Mining
Nov 24, 2020 · Fundamentals

Unlock Python’s sys and os Modules: Essential Functions and Practical Examples

This article introduces Python’s sys and os modules, detailing their most useful functions for runtime configuration, file and path manipulation, process control, and environment handling, and provides clear code examples—including a simple progress bar and a demonstration of sys.argv versus __file__ behavior—to help readers master essential system programming techniques.

OS modulePath manipulationProcess Management
0 likes · 22 min read
Unlock Python’s sys and os Modules: Essential Functions and Practical Examples
Liangxu Linux
Liangxu Linux
Nov 22, 2020 · Operations

Master Linux Environment Variables: Six Ways to Set and Load PATH

This guide explains multiple methods for configuring Linux environment variables—especially PATH—on Ubuntu, covering user‑level files like ~/.bashrc and system‑wide files such as /etc/profile, and details the exact loading order Linux follows when initializing shells.

LinuxPATHbash
0 likes · 11 min read
Master Linux Environment Variables: Six Ways to Set and Load PATH
MaGe Linux Operations
MaGe Linux Operations
Sep 23, 2020 · Operations

How to Install Python 3.6.5 on Linux: Step‑by‑Step Guide

This tutorial walks you through checking the pre‑installed Python version, locating its binaries, downloading Python 3.6.5 source, installing required dependencies, compiling and installing the interpreter, creating symlinks, and configuring environment variables on a Linux system.

CompilationLinuxPython
0 likes · 6 min read
How to Install Python 3.6.5 on Linux: Step‑by‑Step Guide
FunTester
FunTester
Sep 23, 2020 · Backend Development

Getting Started with IntelliJ's Text-Based HTTP Client

This guide explains how to create .http/.rest files in IntelliJ, write and run GET requests, use variables and environment files, separate multiple requests, and share request definitions securely with a team, providing practical examples and code snippets.

API-testingHTTP ClientIntelliJ
0 likes · 5 min read
Getting Started with IntelliJ's Text-Based HTTP Client
Liangxu Linux
Liangxu Linux
Jul 22, 2020 · Operations

How to Fix sudo Missing Environment Variables on Linux

When using sudo, Linux resets the environment, causing custom variables to disappear; this guide explains why, shows the relevant lines in /etc/sudoers, and presents three practical methods—including sudo -E, editing env_keep and secure_path, and creating aliases—to retain needed variables.

LinuxSystem Administrationbash
0 likes · 4 min read
How to Fix sudo Missing Environment Variables on Linux
MaGe Linux Operations
MaGe Linux Operations
Jun 17, 2020 · Cloud Native

Mastering Kubernetes ConfigMaps: From Creation to Pod Integration

This comprehensive guide explains how ConfigMaps and Secrets work in Kubernetes, walks through multiple ways to provide configuration to containers—including command‑line arguments, environment variables, and volume mounts—shows how to create ConfigMaps from literals, files, or directories, and demonstrates how to consume them in Pods with env, envFrom, and volume mounts, plus best‑practice tips.

ConfigMapKubernetesenvironment variables
0 likes · 34 min read
Mastering Kubernetes ConfigMaps: From Creation to Pod Integration
macrozheng
macrozheng
Feb 21, 2020 · Backend Development

Boost Your API Testing: Master IntelliJ IDEA’s Built‑in HTTP Client

During remote work, the author discovers how IntelliJ IDEA’s integrated HTTP Client can replace external tools like Postman, offering in‑IDE request creation, environment variables, response scripts, and plugin extensions to streamline API development, testing, and collaboration across multiple product lines.

API-testingHTTP ClientIntelliJ IDEA
0 likes · 9 min read
Boost Your API Testing: Master IntelliJ IDEA’s Built‑in HTTP Client
Laravel Tech Community
Laravel Tech Community
Dec 29, 2019 · Backend Development

Laravel Configuration Files and Environment Settings Guide

This article explains Laravel's configuration system, detailing the config directory, environment variable management with .env files, retrieving and setting config values, caching configurations, and using maintenance mode commands, providing code examples and best practices for secure and efficient backend development.

BackendConfigurationLaravel
0 likes · 10 min read
Laravel Configuration Files and Environment Settings Guide
Programmer DD
Programmer DD
Dec 15, 2019 · Backend Development

Why IDEA REST Client Beats Postman for API Debugging

API debugging often consumes more time than coding, and while Postman is popular, the IDEA REST Client offers identical features plus environment configuration, shared request files, scriptable assertions, and seamless IDE integration, making it a powerful alternative for developers.

API-testingHTTP ClientIDEA REST Client
0 likes · 8 min read
Why IDEA REST Client Beats Postman for API Debugging
Java Captain
Java Captain
Nov 28, 2019 · Backend Development

From Postman to IDEA REST Client: Features, Usage, and Scripting Guide

This article compares Postman with IntelliJ IDEA REST Client, explains why IDEA REST Client can replace Postman, and provides detailed instructions on using its console, request history, environment configuration, scripting syntax, response assertions, and token handling for efficient API testing.

API-testingHTTP ClientIDEA REST Client
0 likes · 7 min read
From Postman to IDEA REST Client: Features, Usage, and Scripting Guide
Java Backend Technology
Java Backend Technology
Nov 26, 2019 · Backend Development

Why IDEA REST Client Beats Postman for API Testing in Java Backend

This article explains how IDEA REST Client provides all the features of Postman while adding environment configuration, request history, scriptable assertions, and global variable support, making it a more integrated and efficient tool for Java backend API debugging and testing.

API-testingHTTP ClientIDEA REST Client
0 likes · 8 min read
Why IDEA REST Client Beats Postman for API Testing in Java Backend
DevOps Cloud Academy
DevOps Cloud Academy
Nov 7, 2019 · Operations

A Definitive Guide to Jenkins Pipeline Environment Variables

This article provides a comprehensive tutorial on using Jenkins Pipeline environment variables, covering how to list, read, set, override, store boolean values, and capture shell command output, complete with practical Groovy code examples for CI/CD workflows.

CI/CDDevOpsGroovy
0 likes · 7 min read
A Definitive Guide to Jenkins Pipeline Environment Variables
21CTO
21CTO
Oct 23, 2018 · Backend Development

Simplify PHP Environment Variables with vlucas/phpdotenv

This guide explains how to manage PHP environment variables using the vlucas/phpdotenv library, covering .env file conventions, Composer installation, and code snippets to load and access variables, making configuration handling in development simple and secure.

BackendConfigurationPHP
0 likes · 3 min read
Simplify PHP Environment Variables with vlucas/phpdotenv
MaGe Linux Operations
MaGe Linux Operations
Feb 12, 2017 · Fundamentals

How to Set Up a Python Development Environment on Any Platform

This guide walks you through downloading Python, installing it on Unix/Linux, Windows, and macOS, configuring essential environment variables, and running Python via the interpreter, scripts, or an IDE, providing step‑by‑step commands and tips for a smooth setup.

IDEInstallationPython
0 likes · 9 min read
How to Set Up a Python Development Environment on Any Platform
ITPUB
ITPUB
Sep 23, 2016 · Fundamentals

Mastering Linux Library Paths: Solving pkg-config and LD_LIBRARY_PATH Issues

This guide explains why Linux programs fail to locate shared libraries, walks through the mechanics of pkg-config and .pc files, and shows how to correctly set PKG_CONFIG_PATH and LD_LIBRARY_PATH to resolve both compile‑time and run‑time library‑search problems.

CompilationLD_LIBRARY_PATHLinux
0 likes · 13 min read
Mastering Linux Library Paths: Solving pkg-config and LD_LIBRARY_PATH Issues
MaGe Linux Operations
MaGe Linux Operations
Apr 25, 2016 · Fundamentals

When to Use exec, source, or fork in Bash? A Practical Guide

This article explains the differences between exec, source, and fork in Bash, covering process creation, environment variable inheritance, command groups, variable substitution, positional parameters, logical operators, and provides example scripts to illustrate each concept for effective shell scripting.

_sourcecommand substitutionenvironment variables
0 likes · 26 min read
When to Use exec, source, or fork in Bash? A Practical Guide
MaGe Linux Operations
MaGe Linux Operations
Apr 24, 2016 · Fundamentals

13 Essential Shell Questions Every Linux Beginner Should Know

This article compiles thirteen fundamental Linux shell questions covering the origin of the term "shell", the relationship between PS1 and carriage return, echo command usage, differences between single and double quotes, variable assignment, export behavior, and practical quoting techniques, providing clear explanations and examples for each.

environment variablesquotingvariables
0 likes · 25 min read
13 Essential Shell Questions Every Linux Beginner Should Know