How To Create a REST API with Flask on Ubuntu
This step-by-step tutorial teaches how to create a REST API with Flask on Ubuntu. Set up your development environment, define API routes, handle requests, and easily deploy your application.
Como Adicionar Espaço de Swap (troca) no Ubuntu 18.04
Justin Ellingwoodescreveu uma versão anterior deste tutorial. Uma das formas mais fáceis de se proteger contra erros fora da memória em aplicativos é adicionar um pouco de espaço de swap no seu servidor. Neste…
Ubuntu 20.04 — tigervnc — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 12 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5965-1 Related CVEs: CVE-2020-26117 Upstream summary: It was discovered that TigerVNC mishandled TLS certificate exceptions. An attacker could use this vulnerability to impersonate any server after a client had added […]
Ubuntu 18.04 — yaws — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 11 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4569-1 Related CVEs: CVE-2020-24379 CVE-2020-24916 Upstream summary: It was discovered that Yaws did not properly sanitize XML input. A remote attacker could use this vulnerability to execute an XML External […]
Ubuntu 20.04 LTS – Docker daemon fails after kernel update with cgroup issues – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 10 June 2021 Affected versions: Ubuntu 20.04 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 […]
Ubuntu 20.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 9 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides […]
Cómo instalar Webmin en Ubuntu 20.04
Webmin es un panel de control web moderno que le permite administrar su servidor Linux a través de una interfaz basada en navegador. Con Webmin, puede administrar cuentas de usuario, configurar los ajustes de DNS, y cambiar la configuración para los…
Ubuntu 16.04 MySQL Service Fails with InnoDB Corruption
🟡 Medium ⏱ 5–30 min Last verified: 8 June 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 […]
Ubuntu 20.04 LTS – snapd cannot communicate with the Snap Store
🟡 Medium ⏱ 5–30 min Last verified: 8 June 2021 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]
Ubuntu 18.04 — kmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 7 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7731-1 Related CVEs: CVE-2017-17689 CVE-2020-11880 Upstream summary: Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, and Jörg Schwenk discovered that KMail could be made […]
