ubuntu

Установка Nginx в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка Nginx в Ubuntu 20.04

Nginx — один из самых популярных в мире веб-серверов, на базе которого размещены некоторые из самых крупных сайтов интернета с огромным трафиком. Это облегченный вариант, который можно использовать как веб-сервер или как обратный прокси. В этом…

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

Ubuntu 20.04 — spice-vdagent — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4617-1 Related CVEs: CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2020-25653 Upstream summary: Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to […]

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Ubuntu 18.04 — coturn — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — coturn — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 August 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4690-1 Related CVEs: CVE-2020-26262 CVE-2020-4067 CVE-2020-6061 CVE-2020-6062 Upstream summary: It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A […]

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How To Add NoSQL Queries to MySQL with memcached on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Add NoSQL Queries to MySQL with memcached on Ubuntu 14.04

Memcached as a standalone server works as an intermediary in front of the MySQL client access layer and manages information only in the memory without an option to store it persistently. This makes it suitable for tasks such as caching the results of duplicate MySQL queries. In this article, memcached will be installed as a MySQL plugin and tightly integrated into MySQL. It will provide a NoSQL style access layer for managing information directly in regular MySQL InnoDB tables.

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Blueprint: How Ghost Migrated From Dedicated Servers to the cloud provider — step-by-step Linux tutorial on Progressive Robot

Blueprint: How Ghost Migrated From Dedicated Servers to the cloud provider

This the cloud provider Blueprint article was written by Sebastian Gierlinger, a Senior DevOps Engineer at Ghost. It covers the steps that were taken to migrate the Ghost(Pro) infrastructure from dedicated servers to cloud servers. In each step, Sebastian will discuss the challenges that were faced, how each challenge was solved, and why each solution was chosen. He’ll also provide links to relevant resources that he found to be helpful.

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Common Problems 119139

Ubuntu 14.04 LTS unattended-upgrades Stuck on apt Lock

🟡 Medium   ⏱ 5–30 min  Last verified: 30 August 2020 📖 ~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 118015

Ubuntu 18.04 LTS – journald logs consume excessive disk space

🟡 Medium   ⏱ 5–30 min  Last verified: 30 August 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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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Ubuntu 16.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4621-1 Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 CVE-2020-3811 CVE-2020-3812 Upstream summary: It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability […]

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Common Problems 118972

Ubuntu 14.04 LTS kernel panic triggered by outdated HWE stack

🔴 Critical   ⏱ 5–30 min  Last verified: 29 August 2020 Affected versions: 14.04 14.04.5 📖 ~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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