chris

Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2021-2168)

🟠 High   ⏱ 15–60 min  Last verified: 4 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2168 Related CVEs: CVE-2021-3543 CVE-2021-3501 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Common Problems 118606

Ubuntu 16.04 LTS – TLS connections fail due to outdated CA certificates

🟠 High   ⏱ 5–30 min  Last verified: 4 June 2021 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

Read more
Common Problems 117491

Ubuntu 20.04 LTS sudo Fails With PAM Authentication Error

🟠 High   ⏱ 5–30 min  Last verified: 4 June 2021 Affected versions: 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
How to Set Up Log Rotation on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Log Rotation on SLES 12

Introduction This tutorial covers How to Set Up Log Rotation on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper […]

Read more
Common Problems 112600

Windows Server 2019 NVMe Driver Mismatch Throttles Throughput After Patching – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 June 2021 Affected versions: Windows Server 2019 📖 ~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
What's New in Ubuntu 18.04 Bionic Beaver — step-by-step Linux tutorial on Progressive Robot

What’s New in Ubuntu 18.04 Bionic Beaver

The Ubuntu operating system’s most recent Long Term Support (LTS) release, version 18.04 (Bionic Beaver), was released on April 26, 2018. This guide is intended as a brief overview of new features and significant changes to Ubuntu Server since the previous LTS release, 16.04.

Read more
String to byte array, byte array to String in Java — step-by-step Programming tutorial on Progressive Robot

String to byte array, byte array to String in Java

URL: https://www.progressiverobot.com/string-byte-array-java/ Today we will learn how to convert String to byte array in java. We will also learn how to convert byte array to String in Java. String to byte array We can use String class getBytes() method to encode the string into a sequence of bytes using the platform's default charset. This method […]

Read more
iOS Progress Bar (Progress View) — step-by-step DevOps tutorial on Progressive Robot

iOS Progress Bar (Progress View)

URL: https://www.progressiverobot.com/ios-progress-bar-progress-view/ In this tutorial, we'll be discussing the UIProgressView component and create a progress bar in our iOS Application. iOS Progress Bar – UIProgressView ProgressView is used to display the progress of any long running activity such as downloading/uploading/waiting for a response from web service to the user. This is a vital UI element […]

Read more
CHAT