January 2021 - Page 39 of 69

How to Configure PowerShell DSC for Configuration Management on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure PowerShell DSC for Configuration Management on Windows Server 2012 R2

How to Configure PowerShell DSC for Configuration Management on Windows Server 2012 R2 PowerShell Desired State Configuration (DSC) is Microsoft’s built-in configuration management framework that allows you to define the intended state of a Windows system declaratively and have the system automatically enforce that state. On Windows Server 2012 R2, DSC is powered by the […]

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How to Configure Loki for Log Aggregation on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Loki for Log Aggregation on SLES 12

Introduction This tutorial covers How to Configure Loki for Log Aggregation on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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How to Read from stdin in Python — step-by-step Python tutorial on Progressive Robot

How to Read from stdin in Python

URL: https://www.progressiverobot.com/read-stdin-python/ There are three ways to read data from stdin in Python. sys.stdin input() built-in function fileinput.input() function 1. Using sys.stdin to read from standard input [Python sys module](/community/tutorials/python-sys-module) stdin is used by the interpreter for standard input. Internally, it calls the input() function. The input string is appended with a newline character (\n) […]

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Oracle Linux 8 — icu — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — icu — vulnerability — patch and remediation guide (ELSA-2020-0902)

đźź  High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 đź“– ~4 min read  â€˘  Source: ELSA advisory ELSA-2020-0902 Related CVEs: CVE-2020-10531 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Longest Palindrome Substring in a String in Java — step-by-step Programming tutorial on Progressive Robot

Longest Palindrome Substring in a String in Java

URL: https://www.progressiverobot.com/longest-palindrome-substring-string-java/ Longest palindrome substring in a string is a very common [java interview question](/community/tutorials/java-interview-questions). To find out the longest palindrome in [String](/community/tutorials/java-string), first of all, we need to identify the logic to do it. Longest Palindrome Substring in a String Algorithm The key point here is that from the mid of any palindrome string […]

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How To Upgrade to Ubuntu 20.04 Focal Fossa — step-by-step Linux tutorial on Progressive Robot

How To Upgrade to Ubuntu 20.04 Focal Fossa

The Ubuntu operating system’s latest Long Term Support (LTS) release, Ubuntu 20.04 (Focal Fossa), was released on April 23, 2020. This guide will explain how to upgrade an Ubuntu system of version 18.04 or later to Ubuntu 20.04.

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How to Set Up FluxCD on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up FluxCD on Oracle Linux 8

Introduction How to Set Up FluxCD on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Arch Linux — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Arch Linux

This tutorial explains how to install Apache, how to install MySQL, how to change the root MySQL password, how to install PHP, and how to see what libraries are available. LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache (the web server), MySQL (the database), and PHP (the language). This tutorial is written for Arch Linux.

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