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How-to articles, tricks, and solutions about LINUX

How to find Java Heap Size and Memory Used (Linux)?

To find the Java heap size and the amount of memory used on a Linux system, you can use the jstat command and specify the process ID (PID) of the Java process.

java linux heap-memory performance memory

How to find my php-fpm.sock?

To find your PHP-FPM socket file, you will need to first determine the location of your PHP installation.

php linux sockets nginx amazon-web-services

How to Generate SSH key for Git

SSH is a network protocol that helps to login from one computer to another securely. In this tutorial, you will read how to generate the SSH key for Git.

linux git SSH key

How to Install Git on Ubuntu 18.04

Working with Git starts with installing. This tutorial shows how to install Git on Linux. Get the codes of installing Git from repository and source code.

linux git install

How to set JAVA_HOME in Linux for all users

To set the JAVA_HOME environment variable in Linux for all users, you will need to add a line to the /etc/environment file.

java linux java-home path-variables

open() in Python does not create a file if it doesn't exist

Here is a code snippet that demonstrates how to use the open() function in Python to create a new file if it does not already exist:

linux python file-io file-permissions

Run process with realtime output in PHP

In PHP, you can use the proc_open function to run a process and read its output in real-time.

php linux apache process real-time

Tell Composer to use Different PHP Version

To use a specific version of PHP with Composer, you can specify the version you want to use in the config section of your composer.json file.

php linux laravel composer-php

UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c

This error occurs when a file or string that is being decoded using the UTF-8 encoding contains an invalid byte sequence.

linux python python-unicode

Use different PHP version CLI executable for one command

You can use the alias command in your terminal to create a new command that runs a different version of PHP.

php linux laravel command-line-interface env