2020 - Page 733 of 735

Android TextInputLayout Example — step-by-step DevOps tutorial on Progressive Robot

Android TextInputLayout Example

In this tutorial, we'll be looking in depth at the features that Android TextInputLayout provides us. Android TextInputLayout is a design component that comes with the Material Design Support Library. Android TextInputLayout Android TexInputLayout extends LinearLayout. The primary use of a TextInputLayout is to act as a wrapper for EditText(or its descendant) and enable floating […]

Read more
How to Configure Nginx WebSocket Proxying on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on RHEL 8

WebSockets provide a persistent, full-duplex communication channel over a single TCP connection, making them essential for real-time applications such as chat systems, live dashboards, and collaborative tools. Nginx can act as a reverse proxy that transparently upgrades incoming HTTP connections to the WebSocket protocol and forwards them to a backend application server. This tutorial walks […]

Read more
Common Problems 118979

Ubuntu 14.04 LTS – system enters GRUB rescue after bootloader issue

🔴 Critical   ⏱ 5–30 min  Last verified: 1 January 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

Read more
How to Configure MySQL Replication on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure MySQL Replication on SLES 15

Introduction This tutorial covers How to Configure MySQL Replication 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. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]

Read more
Common Problems 114920

Dracut initqueue timeout during boot

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 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 […]

Read more
FreeBSD 12 — py39-notebook — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-notebook — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jupyter notebook — open redirect vulnerability Upstream summary: Jupyter reports: 6.1.5 is a security release, fixing one vulnerability: Fix open redirect vulnerability GHSA-c7vm-f5p4-8fqh (CVE to be assigned) Table of contents […]

Read more
Common Problems 113530

Windows Server 2012 R2 — krbtgt password reset procedure required after suspected golden ticket exposure — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
FreeBSD 12 — pngcrush — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pngcrush — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pngcrush — libpng Uninitialised Pointer Arrays Vulnerability Related CVEs: CVE-2009-0040 Upstream summary: Secunia reports: A vulnerability has been reported in Pngcrush, which can be exploited by malicious people to potentially […]

Read more
How to Configure Pluggable Authentication Modules on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Pluggable Authentication Modules on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure pluggable authentication modules on ibm aix 7.1 on […]

Read more
CHAT