July 2019 - Page 23 of 69

Common Problems 121539

Debian 9 systemd Service Fails with Exit Code 1

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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 — ved — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ved — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:1137-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000156 Upstream summary: GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in […]

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Common Problems 115123

RHEL 8 fapolicyd Blocking Trusted Application Execution

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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How to Configure Role-Based Access Control (RBAC) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Role-Based Access Control (RBAC) 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 role-based access control (rbac) on ibm aix 7.1 […]

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How to Configure PostgreSQL High Availability with Patroni on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure PostgreSQL High Availability with Patroni on SLES 12

Introduction This tutorial covers How to Configure PostgreSQL High Availability with Patroni 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 […]

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How to Install Software with installp on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install Software with installp 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 install software with installp on ibm aix 7.1 on […]

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Alpine Linux edge — doas — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — doas — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.8-r1 📖 ~4 min read  •  Source: Alpine secdb entry — doas 6.8-r1 Related CVEs: CVE-2019-25016 Upstream summary: Alpine main repository for vedge ships doas 6.8-r1 which addresses CVE-2019-25016. Table of contents Symptom & Impact Environment […]

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How to Use AIX System Backup with mksysb on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use AIX System Backup with mksysb on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix system backup with mksysb on ibm aix […]

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How To Manage Hashes in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Hashes in Redis

A Redis hash is a data type that represents a mapping between a string field and a string value. A single hash can hold many field-value pairs and are designed to not take up much space, making them ideal for representing data objects. For example, a hash might represent a customer, and include fields like ‘name’, ‘address’, ’email’, or ‘customer_id’. This tutorial will go over how to manage hashes in Redis, from creating them to retrieving and deleting the data held within a hash.

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How to Set Up NFS on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up NFS on SLES 15

Introduction This tutorial covers How to Set Up NFS 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 — Install NFS Server zypper install -y nfs-kernel-server Step 2 […]

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