ubuntu

Common Problems 117911

Ubuntu 18.04 APT Lock File Error During Package Install

🟡 Medium   ⏱ 5–30 min  Last verified: 23 February 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 […]

Read more
How To Install R on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install R on Ubuntu 16.04

R is a popular open source programming language that specializes in statistical computing and graphics. It is widely used for developing statistical software and performing data analysis. R is easily extensible, and the community is known for continuously adding user-generated…

Read more
Installieren von Git unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Installieren von Git unter Ubuntu 20.04

Systeme zur Versionskontrolle wie Git sind integraler Bestandteil von bewährten Methoden für moderne Softwareentwicklung. Durch Versionierung können Sie Ihre Software auf der Quellebene verfolgen. Sie können Änderungen verfolgen, zu früheren Stadien zurückkehren und verzweigen,…

Read more
How To Install and Configure SimpleSAMLphp for SAML Authentication on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure SimpleSAMLphp for SAML Authentication on Ubuntu 16.04

SimpleSAMPLphp is an open-source PHP authentication application that provides support for SAML 2.0 as a Service Provider (SP) or Identity Provider (IdP). In this tutorial you’ll install SimpleSamplPHP and configure it to use a MySQL database as an authentication source. You’ll store users and encrypted passwords in the MySQL database and test that you can use those users to log in.

Read more
Ubuntu 20.04にMongoDBをインストールする方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04にMongoDBをインストールする方法

MongoDBは、最新のWebアプリケーションで一般的に使用されるオープンソースのドキュメントデータベースです。従来のテーブルベースのリレーショナルデータベース構造に依存しないため、NoSQLデータベースとして分類されます。代わりに、動的スキーマを持つJSONのようなドキュメントを使用します。このチュートリアルでは、Ubuntu 20.04サーバーにMongoDBをインストールしてテストし、systemdサービスとして管理する方法を学びます。

Read more
Ubuntu 16.04 — quagga — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — quagga — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 February 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6432-1 Related CVEs: CVE-2023-41358 CVE-2023-41360 CVE-2018-5378 CVE-2018-5379 CVE-2018-5380 CVE-2018-5381 CVE-2017-16227 CVE-2017-5495  +3 more Upstream summary: It was discovered that the Quagga BGP daemon did not properly check the attribute length […]

Read more
Ubuntu 22.04 — packagekit — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — packagekit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8195-1 Related CVEs: https://launchpad.net/bugs/2149908 Upstream summary: It was discovered that PackageKit incorrectly handled certain transactions. A local attacker could use this issue to install arbitrary packages as root, possibly resulting […]

Read more
Cara Mengamankan Nginx dengan Let's Encrypt pada Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cara Mengamankan Nginx dengan Let’s Encrypt pada Ubuntu 20.04

Let’s Encrypt adalah Otoritas Sertifikat (CA) yang menyediakan cara mudah untuk memperoleh dan menginstal sertifikat TLS/SSL gratis, yang dengan demikian mengaktifkan HTTPS terenkripsi pada server web. Ini menyederhanakan proses dengan menyediakan klien perangkat lunak, Certbot, yang berusaha mengotomatiskan sebagian besar (jika bukan semua) langkah yang diperlukan. Dalam tutorial ini, Anda akan menggunakan Certbot untuk memperoleh sertifikat SSL gratis untuk Nginx pada Ubuntu 20.04

Read more
Common Problems 117487

Ubuntu 20.04 LTS – systemd service enters crash loop after package update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 February 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 […]

Read more
CHAT