Ubuntu 20.04

Установка R в Ubuntu 20.04. [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Установка R в Ubuntu 20.04. [Краткое руководство]

Язык программирования с открытым исходным кодом R предназначен для статистических вычислений и графики. В этом обучающем модуле мы установим R на сервере Ubuntu 20.04. Более детальный вариант настоящего руководства с подробным разъяснениями каждого шага можно найти в статье…

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Ubuntu 20.04 — monit — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — monit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6571-1 Related CVEs: CVE-2022-26563 Upstream summary: Youssef Rebahi-Gilbert discovered that Monit did not properly process credentials for disabled accounts. An attacker could possibly use this issue to login to the […]

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Cara Menyiapkan dan Mengonfigurasi Server OpenVPN pada Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cara Menyiapkan dan Mengonfigurasi Server OpenVPN pada Ubuntu 20.04

OpenVPN adalah aplikasi Jaringan Privat Virtual (VPN) yang memungkinkan Anda menciptakan dan bergabung dengan jaringan privat secara aman melalui Internet publik. Dalam tutorial ini, Anda akan mempelajari cara menginstal dan mengonfigurasi OpenVPN pada server Ubuntu 20.04 Focal menggunakan Elliptic Curve Cryptography (ECC) untuk konfigurasi VPN yang baru dan aman. Anda juga juga akan mempelajari cara menghubungkan klien Windows, MacOS, iOS, Android, dan Linux ke VPN Anda.

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Common Problems 117410

Ubuntu 20.04 LTS Netplan Apply Drops Network Connectivity

🟡 Medium   ⏱ 5–30 min  Last verified: 5 March 2023 📖 ~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 20.04 — linux-oem-5.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-oem-5.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5976-1 Related CVEs: CVE-2022-2196 CVE-2022-3061 CVE-2022-3628 CVE-2022-36280 CVE-2022-3646 CVE-2022-3649 CVE-2022-41850 CVE-2023-0394  +12 more Upstream summary: It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did […]

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Einrichten eines NFS Mount auf Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Einrichten eines NFS Mount auf Ubuntu 20.04

NFS oder Network File System ist ein verteiltes Dateisystem, das es Ihnen ermöglicht, remote Verzeichnisse auf Ihrem Server bereitzustellen. Auf diese Weise können Sie Speicherplatz an einem anderen Ort verwalten und in diesen Speicherplatz aus mehreren Clients schreiben. NFS…

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Common Problems 117436

Ubuntu 20.04 LTS – netplan apply fails due to YAML indentation errors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 3 March 2023 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 […]

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Common Problems 117425

GPG NO_PUBKEY for Third-Party Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 3 March 2023 Affected versions: 20.04 📖 ~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 […]

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