2020 - Page 145 of 735

Common Problems 112394

Windows Server 2019 — winget install fails with package signature verification error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 October 2020 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
Understanding Destructuring, Rest Parameters, and Spread Syntax in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Understanding Destructuring, Rest Parameters, and Spread Syntax in JavaScript

Introduced in ECMAScript 2015 (ES6), destructuring, rest parameters, and spread syntax provide more direct ways of accessing the members of an array or an object, and can make working with data structures quicker and more succinct. In this article, you will learn how to destructure objects and arrays in JavaScript, how to use the spread operator to unpack objects and arrays, and how to use rest parameters in function calls.

Read more
Arch Linux — wireshark-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — wireshark-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202004-10 Related CVEs: CVE-2020-11647 CVE-2018-19628 CVE-2018-19627 CVE-2018-19626 CVE-2018-19625 CVE-2018-19624 CVE-2018-19623 CVE-2018-19622  +12 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.2.2-1. Fixed in: 3.2.3-1. Group: AVG-1129. Table of […]

Read more
Servlet 3 File Upload - @MultipartConfig, Part — step-by-step Programming tutorial on Progressive Robot

Servlet 3 File Upload – @MultipartConfig, Part

URL: https://www.progressiverobot.com/servlet-3-file-upload-multipartconfig-part/ Today we will look into Servlet 3 File Upload Example using @MultipartConfig annotation and javax.servlet.http.Part. Sometime back I wrote an article about [Servlet File Upload](/community/tutorials/servlet-upload-file-download-example "Servlet Upload File and Download File Example") and I used Apache FileUpload API but here we will use Servlet 3 File Upload feature. Servlet 3 File Upload Since […]

Read more
How to Install OpenShift CLI on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install OpenShift CLI on Oracle Linux 8

Introduction This tutorial demonstrates how to Install OpenShift CLI on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]

Read more
How To Manage Backups to the Cloud with Duplicacy — step-by-step DevOps tutorial on Progressive Robot

How To Manage Backups to the Cloud with Duplicacy

This tutorial provides a high-level overview of how to install the CLI version of Duplicacy and use it to manage a typical data backup process with a the cloud provider Space. It also demonstrates how to back up a shared repository from multiple Droplets to the same Space, as well as how to back up snapshots to multiple Spaces for greater data security.

Read more
Ubuntu 16.04 — luajit — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — luajit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4501-1 Related CVEs: CVE-2020-15890 Upstream summary: It was discovered that an out-of-bounds read existed in LuaJIT. An attacker could use this to cause a denial of service (application crash) or […]

Read more
Lesen und Einrichten von Umgebungs- und Shell-Variablen unter Linux — step-by-step Linux tutorial on Progressive Robot

Lesen und Einrichten von Umgebungs- und Shell-Variablen unter Linux

In Linux-Systemen werden Umgebungs- und Shell-Variablen verwendet, um Betriebsbedingungen für die Shell zu bestimmen. Sie können an untergeordnete Prozesse übergeben und verwendet werden, um Optionen festzulegen und bestimmte Informationen für Prozesse verfügbar zu machen, die in der Sitzung gestartet werden. In diesem Leitfaden werden wir über das Lesen, Ändern, Erstellen und Zerstören von Umgebungs- und Shell-Variablen sprechen.

Read more
CHAT