Package Management

How to Use numa_node_info for NUMA Topology on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use numa_node_info for NUMA Topology 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 numa_node_info for numa topology on ibm aix 7.2 […]

Read more
Ubuntu 18.04 — keepalived — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — keepalived — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5188-1 Related CVEs: CVE-2021-44225 CVE-2018-19115 Upstream summary: It was discovered that Keepalived incorrectly handled certain messages. An attacker could possibly use this issue to access-control bypass. Table of contents Symptom […]

Read more
How to Install and Use Podman with Buildah on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Podman with Buildah on RHEL 8

Buildah is a Red Hat–sponsored command-line tool for building OCI-compliant container images without requiring a Docker daemon or root privileges. It ships in the default RHEL 8 AppStream repository alongside Podman, making it a natural fit for secure, rootless CI/CD pipelines. In this tutorial you will install Buildah and Podman on RHEL 8, build images […]

Read more
SLES 12 — librbd1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — librbd1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 January 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1158-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12059 CVE-2018-10861 CVE-2018-1128 CVE-2018-1129 CVE-2018-7262 CVE-2016-5009 CVE-2020-10753 CVE-2020-1760  +4 more Upstream summary: An issue was discovered in Ceph through 13.2.9. A POST request with an […]

Read more
Arch Linux — libtpms — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libtpms — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-9 Related CVEs: CVE-2021-3623 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 0.8.3-1. Fixed in: 0.8.4-1. Group: AVG-2108. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
Oracle Linux 8 — rhnreg_ks Register Command Might Fail If python3-rhn-virtualization-host Package Is Installed — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rhnreg_ks Register Command Might Fail If python3-rhn-virtualization-host Package Is Installed

🟠 High   ⏱ 5–30 min  Last verified: 21 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30366521 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 […]

Read more
How to Configure IBM MQ Clustering on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure IBM MQ Clustering 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 ibm mq clustering on ibm aix 7.1 on […]

Read more
openSUSE Tumbleweed — openvswitch — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openvswitch — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3096-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-36980 Upstream summary: Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a […]

Read more
CHAT