October 2019 - Page 13 of 63

Common Problems 118408

Hash Sum Mismatch on apt update

🟡 Medium   ⏱ 5–30 min  Last verified: 25 October 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 & Cross-Refs References & Further […]

Read more
Common Problems 117951

Ubuntu 18.04 DNS Resolution Fails Intermittently

🟡 Medium   ⏱ 5–30 min  Last verified: 25 October 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 & Cross-Refs References & Further […]

Read more
openSUSE Tumbleweed — libsrtp1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsrtp1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-2139 CVE-2015-6360 Upstream summary: Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service (crash) […]

Read more
How to Configure DHCP Failover on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure DHCP Failover on Windows Server 2012 R2

How to Configure DHCP Failover on Windows Server 2012 R2 DHCP Failover is a new feature introduced in Windows Server 2012 R2 that allows two DHCP servers to share a pool of IP addresses for one or more subnets. Before this feature, providing redundant DHCP service required manual IP range splitting (the 80/20 rule) — […]

Read more
How to Use dbx Debugger on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use dbx Debugger 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 use dbx debugger on ibm aix 7.1 on IBM […]

Read more
How to Set Up Windows Server Cluster-Aware Updating (CAU) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server Cluster-Aware Updating (CAU) on Windows Server 2019

Introduction to Cluster-Aware Updating Cluster-Aware Updating (CAU) is a Windows Server 2019 feature that automates the process of applying software updates to nodes in a Windows Server Failover Cluster while maintaining high availability. CAU orchestrates the drain-update-reboot-resume cycle for each cluster node sequentially, ensuring that the cluster remains available for workloads throughout the update process. […]

Read more
CHAT