chris

Android Button using Kotlin and XML — step-by-step DevOps tutorial on Progressive Robot

Android Button using Kotlin and XML

In this tutorial, we'll learn how to create a Button in Android apps using Kotlin programming. Android Button Overview Android Button class extends TextView. Button is a UI widget that is used to get click interactions from the user to trigger an action in the application. A button can be created in the XML layout […]

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An Introduction to String Functions in Python 3 — step-by-step Python tutorial on Progressive Robot

An Introduction to String Functions in Python 3

Python has several built-in functions associated with the string data type. These functions let us easily modify and manipulate strings. In this tutorial, we’ll go over several different functions that we can use to work with strings in Python 3.

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Common Problems 121591

Debian 9 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery

🟠 High   ⏱ 5–30 min  Last verified: 20 July 2020 Affected versions: Debian 9 📖 ~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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openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-10528 CVE-2018-10529 CVE-2017-14265 CVE-2017-6886 CVE-2017-6887 CVE-2017-6890 CVE-2020-15503 CVE-2017-14348  +4 more Upstream summary: An issue was discovered in LibRaw 0.18.9. There is a stack-based buffer overflow […]

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Common Problems 117987

Ubuntu 18.04 Disk Full from Unbounded Journald Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 2020 📖 ~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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Common Problems 115436

RHEL 7 journalctl Growth Filling Persistent Log Storage

🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 2020 Affected versions: RHEL 7 📖 ~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 112434

Windows Server 2019 — Kerberos token bloat causes logon failure for users in many groups — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 July 2020 Affected versions: Windows Server 2019 📖 ~2 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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