Linux

How To Configure Secure Updates and Installations in WordPress on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Configure Secure Updates and Installations in WordPress on Ubuntu

WordPress is the most popular content management system (CMS) on the web currently. While WordPress can be a great way to manage you content, there are some very insecure configurations that are given throughout the internet. This article will cover how to set up secure updates and installations using SSH keys instead of FTP, which is an inherently insecure protocol.

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Common Problems 118471

Ubuntu 16.04 LTS – apt update fails with 404 Not Found for package index – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 August 2019 Affected versions: Ubuntu 16.04 LTS 📖 ~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 […]

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How to Install Go on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Go on Debian 9 (DEBIAN-9-2)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install go on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the resulting […]

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Как установить Node.js в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Как установить Node.js в Ubuntu 18.04

Node.js это платформа для разработки приложений на языке JavaScript, позволяющая быстро создавать приложения, работающие в сети. Использование JavaScript одновременно на клиентской и на серверной стороне позволяет сделать разработку более унифицированной…

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openSUSE Tumbleweed — sarg — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — sarg — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2008:011 (see also SUSE bugzilla) Related CVEs: CVE-2008-1922 Upstream summary: Multiple stack-based buffer overflows in Sarg might allow attackers to execute arbitrary code via unknown vectors, probably a crafted Squid log file. […]

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How To Install MongoDB on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install MongoDB on Ubuntu 14.04

MongoDB is a free and open-source NoSQL document database used commonly in modern web applications. This tutorial will help you set up MongoDB on your server for a production application environment.

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Ubuntu 14.04 — libbsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libbsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4243-1 Related CVEs: CVE-2016-2090 CVE-2019-20367 Upstream summary: It was discovered that libbsd incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only […]

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How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 8

Stateful applications running in Kubernetes — databases, content management systems, message queues — need storage that persists beyond the lifecycle of any individual pod. Kubernetes solves this through two complementary abstractions: PersistentVolumes (PV), which represent actual storage capacity provisioned by an administrator or a storage provider, and PersistentVolumeClaims (PVC), which are requests for storage made […]

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