June 2020 - Page 5 of 66

Android Navigation Drawer Example Tutorial — step-by-step DevOps tutorial on Progressive Robot

Android Navigation Drawer Example Tutorial

In this tutorial we'll implement a Navigation Drawer in our android application. Android navigation drawer is a sliding menu and it's an important UI component. You will see navigation drawer in most of the android applications, it's like navigation menu bars in the websites. Android Navigation Drawer Android Navigation Drawer is a sliding left menu […]

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Android MVVM Design Pattern — step-by-step Programming tutorial on Progressive Robot

Android MVVM Design Pattern

In this tutorial, we'll be discussing and implementing the Android MVVM Architectural Pattern in our Android Application. We've previously discussed the [Android MVP Pattern](/community/tutorials/android-mvp). Why do we need these patterns? Adding everything in a Single Activity or Fragment would lead to problems in testing and refactoring the code. Hence, the use of separation of code […]

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openSUSE Tumbleweed — python36-mysql-connector-python — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-mysql-connector-python — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0409-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2435 Upstream summary: Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Python). Supported versions that are affected are 8.0.13 and prior and 2.1.8 […]

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Common Problems 121023

Debian 10: DNS resolution breaks after resolv.conf overwrite

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 10 📖 ~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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Gentoo Linux — dev-python/reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/reportlab — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-35 Related CVEs: CVE-2019-17626 Upstream summary: ReportLab was found to be mishandling XML documents and may evaluate the contents without checking for their safety. Table of contents Symptom & Impact Environment & […]

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Common Problems 117408

Ubuntu 20.04 LTS – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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 […]

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Debian 10 — awl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — awl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11728 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 116071

Ubuntu 26.04 LTS – Docker permission denied for non-root user – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 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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