Ubuntu 18.04

Como instalar o Jenkins no Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar o Jenkins no Ubuntu 18.04

O Jenkins é um servidor de automação de código aberto que automatiza as tarefas técnicas repetitivas envolvidas na integração e entrega contínuas do software. O Jenkins é baseado no Java e pode ser instalado dos pacotes Ubuntu ou baixando e executando seu…

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Common Problems 118029

Ubuntu 18.04 LTS Kubernetes Node NotReady Due to CNI Issues

🟠 High   ⏱ 5–30 min  Last verified: 10 March 2021 Affected versions: 18.04 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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Ubuntu 18.04 — axel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — axel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4872-1 Related CVEs: CVE-2020-13614 Upstream summary: It was discovered that Axel did not properly verify the certificates for hostnames. An attacker could use this vulnerability to impersonate another server and […]

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How To Create a Minecraft Server on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a Minecraft Server on Ubuntu 18.04

Minecraft is a popular sandbox video game. As of late 2019, it was the second best-selling video game of all time. In this tutorial, you will create your own Minecraft server so that you and your friends can play together. Specifically, you will install the necessary software packages to run Minecraft, configure the server to run, and then deploy the game.

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Common Problems 118068

Ubuntu 18.04 LTS – snap refresh hangs and blocks package operations – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 March 2021 Affected versions: Ubuntu 18.04 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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Ubuntu 18.04 — grilo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — grilo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5055-1 Related CVEs: CVE-2021-39365 Upstream summary: Michael Catanzaro discovered that grilo incorrectly handled certain TLS certificate verification. An attacker could possibly use this issue to MITM attacks. Table of contents […]

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Common Problems 118106

Ubuntu 18.04 LTS – Nginx fails to start due to configuration syntax errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 March 2021 Affected versions: Ubuntu 18.04 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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Ubuntu 18.04 — shiro — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6352-1 Related CVEs: CVE-2020-13933 CVE-2020-17510 CVE-2020-11989 CVE-2020-1957 Upstream summary: It was discovered that Apache Shiro incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to bypass […]

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Common Problems 118131

Ubuntu 18.04 LTS initramfs drop to BusyBox after UUID change

🟡 Medium   ⏱ 5–30 min  Last verified: 5 March 2021 📖 ~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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