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OpenBSD 7.5 — bgpd — errata 004_bgpd — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — bgpd — errata 004_bgpd — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 004_bgpd Errata topic: Reliability: bgpd (All architectures) Issued: June 26, 2024 Upstream summary: Repair a withdraw desyncronization problem in bgpd(8). Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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What is Apache? — step-by-step Web Servers tutorial on Progressive Robot

What is Apache?

The Apache HTTP Server is an open-source web server popular for its flexibility, power, and widespread support. It can be extended through a dynamically loadable module system, and is able to process a large number of interpreted languages without connecting out to separate software.

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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 […]

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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 […]

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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 […]

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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 […]

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