Linux

Common Problems 118581

Ubuntu 16.04 LTS – Docker reports no space left on device during image pulls – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 September 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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Debian 9 — libreoffice — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libreoffice — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 September 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10119 CVE-2018-16858 CVE-2018-6871 CVE-2019-9848 CVE-2019-9850 CVE-2019-9854 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How To Migrate Linux Servers Part 1 - System Preparation — step-by-step Linux tutorial on Progressive Robot

How To Migrate Linux Servers Part 1 – System Preparation

There are many different considerations you should make when migrating from one system to another. In this guide, we will discuss how to prepare your source and target systems for a migration. This will include getting your two machines to communicate with SSH keys and a deep investigation as to what components need to be transferred.

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Alpine Linux edge — jbig2enc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — jbig2enc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.30-r0 📖 ~4 min read  •  Source: Alpine secdb entry — jbig2enc 0.30-r0 Related CVEs: CVE-2018-11230 Upstream summary: Alpine community repository for vedge ships jbig2enc 0.30-r0 which addresses CVE-2018-11230. Table of contents Symptom & Impact Environment […]

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Debian 9 — waagent — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — waagent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 September 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-0804 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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How to Install MongoDB on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install MongoDB on RHEL 8

MongoDB is a leading document-oriented NoSQL database that stores data in flexible JSON-like BSON documents, making it well-suited for applications with evolving schemas, hierarchical data, or high-throughput write workloads. MongoDB is not included in the RHEL 8 AppStream, so you must add the official MongoDB repository before installing. This guide walks through creating the MongoDB […]

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How To Deploy Rails Apps Using Passenger With Nginx on CentOS 6.5 — step-by-step Linux tutorial on Progressive Robot

How To Deploy Rails Apps Using Passenger With Nginx on CentOS 6.5

In this the cloud provider article, we are going to show you — from start to finish — how to have a rock solid Rails application deployment (i.e. published online) using the latest available CentOS operating system renowned for its stability. This will be alongside Phusion Passenger application server, known for its simplicity and excellent features, coupled with Nginx HTTP server running in front to handle and manage connections.

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Common Problems 115429

RHEL 7 SELinux denial preventing httpd outbound connection

🟠 High   ⏱ 5–30 min  Last verified: 21 September 2019 Affected versions: RHEL 7 📖 ~2 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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