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How to Configure AppArmor on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure AppArmor on SLES 15

Introduction This tutorial covers How to Configure AppArmor on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Check AppArmor Status systemctl status apparmor aa-status Step 2 — […]

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Debian 11 — xdelta3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xdelta3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9765 Upstream summary: Buffer overflow in the main_get_appheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary code via a crafted input file. Table […]

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How to convert Java Date into Specific TimeZone format — step-by-step Programming tutorial on Progressive Robot

How to convert Java Date into Specific TimeZone format

In the last example, we learned how to [convert Date to String in Java](/community/tutorials/convert-string-date-java). In this example, I am converting a Java Date object from one timezone to another. We will use [SimpleDateFormat](/community/tutorials/java-simpledateformat-java-date-format) class to format the Date in a specific format and we will set its timezone to print the date in a specific […]

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Экосистема Docker: сетевое взаимодействие — step-by-step Docker tutorial on Progressive Robot

Экосистема Docker: сетевое взаимодействие

Этот туториал является 4-ой частью из 5-ти в серии статей Экосистема Docker. При проектировании распределённых систем работающих с Docker-контейнерами, сетевое взаимодействие становится крайне важными. Сервис-ориентированная архитектура, бесспорно,…

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Android RecyclerView, Android CardView Example Tutorial — step-by-step DevOps tutorial on Progressive Robot

Android RecyclerView, Android CardView Example Tutorial

Android RecyclerView and Android CardView got introduced in Android Lollipop with Material Design. For those who're not aware of Material Design, its a comprehensive guide of UI Widgets introduced since Android 5.0 and it improves the visual appeal of the apps. Android RecyclerView ![android recyclerview, android cardview, android cardview example](images/android-recyclerview-android-cardview-example-tutorial-section-1.png) Android RecyclerView is a more […]

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Ubuntu 20.04 — connman — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — connman — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 November 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6236-1 Related CVEs: CVE-2021-26675 CVE-2021-26676 CVE-2021-33833 CVE-2022-23096 CVE-2022-23097 CVE-2022-23098 CVE-2022-32292 CVE-2022-32293  +1 more Upstream summary: It was discovered that ConnMan could be made to write out of bounds. A remote […]

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How to Use Azure Monitor with Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Use Azure Monitor with Windows Server 2022

How to Use Azure Monitor with Windows Server 2022 Azure Monitor provides a comprehensive solution for collecting, analyzing, and acting on telemetry from Windows Server 2022 environments — whether those servers run on-premises, in Azure, or in other clouds. This guide walks through the full setup of Azure Monitor for Windows Server 2022, from agent […]

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Common Problems 118623

Ubuntu 16.04 LTS OpenSSL mismatch breaks legacy application startup

🟠 High   ⏱ 5–30 min  Last verified: 9 November 2022 Affected versions: 16.04 📖 ~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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