ubuntu

Ubuntu 14.04 — wheel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 December 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5821-1 Related CVEs: CVE-2022-40898 Upstream summary: Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to […]

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How To Install the Munin Monitoring Tool on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install the Munin Monitoring Tool on Ubuntu 14.04

Munin is a system, network, and infrastructure monitoring application that provides information in graphs through a web browser. It is designed around a client-server architecture and can be configured to monitor the machine it’s installed on (the _Munin master_) and any number of client machines, which in Munin parlance, are called _Munin nodes_.

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Common Problems 117010

Ubuntu 22.04 LTS High CPU in journald from Excessive Service Logging

🟡 Medium   ⏱ 5–30 min  Last verified: 16 December 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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Ubuntu 22.04 — zutty — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — zutty — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8078-1 Related CVEs: CVE-2022-41138 Upstream summary: Carter Sande discovered that Zutty did not correctly echo invalid input to the console on DECRQSS. An attacker could possibly use this issue to […]

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How To Use IPRoute2 Tools to Manage Network Configuration on a Linux VPS — step-by-step Linux tutorial on Progressive Robot

How To Use IPRoute2 Tools to Manage Network Configuration on a Linux VPS

The IPRoute2 suite of tools was created to replace an aging and patchwork set of utilities for managing network interfaces, addresses, routing, etc. In this guide, we will discuss some of the basics of how to use the iproute2 set of tools, and how you can transition from your normal way of querying and manipulating network resources.

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Ubuntu 16.04 — python-oslo.utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-oslo.utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5369-1 Related CVEs: CVE-2022-0718 Upstream summary: It was discovered that oslo.utils incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. Table of contents Symptom […]

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How To Upgrade to Ubuntu 16.04 LTS — step-by-step Linux tutorial on Progressive Robot

How To Upgrade to Ubuntu 16.04 LTS

Ubuntu’s next Long Term Support release, version 16.04 (Xenial Xerus), is due to be released on April 21, 2016. This guide explains the upgrade process for systems including (but not limited to) cloud servers running Ubuntu 15.10.

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Como Instalar o Git no Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o Git no Ubuntu 14.04

Uma ferramenta indispensável no desenvolvimento moderno de software é algum tipo de sistema de controle de versão. Os sistemas de controle de versão permitem que você mantenha o controle de seu software no nível de fonte. Você pode controlar alterações, reverter para estágios anteriores, e ramificar para criar versões alternativas de arquivos e diretórios.

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Common Problems 119049

Ubuntu 14.04 LTS – ca-certificates package outdated breaks TLS trust

🟠 High   ⏱ 5–30 min  Last verified: 15 December 2022 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Common Problems 116920

Ubuntu 22.04 LTS UFW Enabled But Ports Still Unreachable

🟡 Medium   ⏱ 5–30 min  Last verified: 15 December 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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