Systemd Services

How to Install k3s Lightweight Kubernetes on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install k3s Lightweight Kubernetes on RHEL 8

k3s is a lightweight, CNCF-certified Kubernetes distribution built for resource-constrained environments, edge deployments, and developer laptops, yet it is fully production-capable. It ships as a single binary under 100 MB, bundles its own SQLite datastore, and eliminates the need for a separate etcd cluster on small installations. RHEL 8 is an excellent host for k3s […]

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SLES 15 — libXi6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libXi6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1984 CVE-2013-1995 CVE-2013-1998 Upstream summary: Multiple integer overflows in X.org libXi 1.7.1 and earlier allow X servers to trigger allocation of insufficient memory and a […]

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Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide (ELSA-2020-0279)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0279 Related CVEs: CVE-2019-11135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install Redis on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Redis on RHEL 8

Redis is an in-memory data structure store used as a database, cache, and message broker, capable of delivering sub-millisecond response times for millions of operations per second. On RHEL 8, Redis is available through the AppStream module system, giving you a straightforward installation path without third-party repositories. This guide covers installing Redis 6 via AppStream […]

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How to Use HMC to Manage Power Systems on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use HMC to Manage Power Systems 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 hmc to manage power systems on ibm aix […]

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How to Configure Device Drivers on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Device Drivers 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 configure device drivers on ibm aix 7.2 on IBM […]

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How to Set Up CouchDB on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up CouchDB on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up couchdb on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]

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SLES 15 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:14763-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-15522 CVE-2019-15523 Upstream summary: An issue was discovered in LINBIT csync2 through 2.0. csync_daemon_session in daemon.c neglects to force a failure of a hello command […]

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SLES 15 — libotr5 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libotr5 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:0706-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-2851 Upstream summary: Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption […]

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