Linux

How To Deploy a Rails App with Git Hooks on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Deploy a Rails App with Git Hooks on Ubuntu 14.04

In this tutorial, we will show you how to use Git hooks to automate the deployment of the production environment of your Rails application to a remote Ubuntu 14.04 server. Using Git hooks will allow you to deploy your application by simply pushing your changes to a production server. This particular setup uses a simple “post-receive” Git hook, in addition to Puma as the application server, Nginx as a reverse proxy to Puma, and PostgreSQL as the database.

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Common Problems 121569

Debian 9 Filesystem Remounted Read-Only After Error

🟠 High   ⏱ 5–30 min  Last verified: 12 July 2019 Affected versions: Debian 9 📖 ~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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Common Problems 115120

RHEL 8 kdump Not Capturing vmcore After Kernel Panic

🟡 Medium   ⏱ 5–30 min  Last verified: 12 July 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 & Cross-Refs References & Further […]

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openSUSE Tumbleweed — openttd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openttd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2010-4168 CVE-2012-0049 CVE-2013-6411 CVE-2012-3436 Upstream summary: Multiple use-after-free vulnerabilities in OpenTTD 1.0.x before 1.0.5 allow (1) remote attackers to cause a denial of service (invalid write and daemon crash) […]

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openSUSE Tumbleweed — pspp — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pspp — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:0198-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20230 CVE-2019-9211 CVE-2017-10791 CVE-2017-10792 CVE-2017-12958 CVE-2017-12959 CVE-2017-12961 Upstream summary: An issue was discovered in PSPP 1.2.0. There is a heap-based buffer overflow at the function […]

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Arch Linux — libelf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libelf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201903-9 Related CVEs: CVE-2019-7665 CVE-2019-7664 CVE-2019-7150 CVE-2019-7149 CVE-2019-7148 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.175-1. Fixed in: 0.176-1. Group: AVG-863. Table of contents Symptom & Impact Environment […]

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How to Configure Network Bonding and Teaming on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Network Bonding and Teaming on RHEL 7

How to Configure Network Bonding and Teaming on RHEL 7 Network link aggregation allows multiple physical network interfaces to be combined into a single logical interface, providing increased throughput and fault tolerance. RHEL 7 supports two distinct kernel-level mechanisms for achieving this: the older bonding driver, which has been part of the Linux kernel for […]

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Debian 10 — qbittorrent — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — qbittorrent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 July 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13640 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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