Linux

Ubuntu 20.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6243-1 Related CVEs: CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: It was discovered that Graphite-Web incorrectly handled certain inputs. If a user or an automated system were tricked into opening a […]

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Amazon Linux 2 — wavpack — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — wavpack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2213 Related CVEs: CVE-2022-2476 Upstream summary: A null pointer dereference bug was found in wavpack-5.4.0 The results from the ASAN log: AddressSanitizer:DEADLYSIGNAL ===================================================================84257==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc […]

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How To Encrypt Traffic to Redis with Spiped on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Encrypt Traffic to Redis with Spiped on Ubuntu 16.04

Redis is an open-source key-value data store, using an in-memory storage model with optional disk writes for persistence. It features transactions, a pub/sub messaging pattern, and automatic failover among other functionality. Redis has clients written in most languages with…

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Common Problems 118401

Ubuntu 16.04 Drops to Initramfs Unable to Find Root Filesystem

🟡 Medium   ⏱ 5–30 min  Last verified: 27 November 2022 📖 ~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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Common Problems 116940

Ubuntu 22.04 LTS /boot Full Causes Kernel Upgrade Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 27 November 2022 📖 ~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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Debian 11 — libproc-processtable-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libproc-processtable-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4363 Upstream summary: ProcessTable.pm in the Proc::ProcessTable module 0.45 for Perl, when TTY information caching is enabled, allows local users to overwrite arbitrary files via a symlink attack […]

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Debian 11 — httpx — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — httpx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41945 Upstream summary: Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. Table of contents Symptom & Impact […]

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How To Install Ruby on Rails with rbenv on Debian 7 (Wheezy) — step-by-step Linux tutorial on Progressive Robot

How To Install Ruby on Rails with rbenv on Debian 7 (Wheezy)

Ruby on Rails is an open source web framework based on Ruby. It has been a popular choice among startups since it’s easier to build and ship the application. To start using Ruby on Rails, you need to have Ruby installed. However, due to the way Debian packaging system works, you’ll mostly end up with an old version of Ruby. So, this guide will show you a safe way for you to use the latest version of Ruby and Ruby on Rails on Debian 7.

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Debian 11 — php-font-lib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-font-lib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2570 Upstream summary: Cross-site scripting (XSS) vulnerability in www/make_subset.php in PHP Font Lib before 0.3.1 allows remote attackers to inject arbitrary web script or HTML via the name […]

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