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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1536-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32765 CVE-2020-7105 Upstream summary: Hiredis is a minimalistic C client library for the Redis database. In affected versions Hiredis is vulnurable to integer overflow if […]

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IBM AIX 7.1 — CVE-2021-29737 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29737 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 13 October 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29737, IBM Support Bulletin CVE: CVE-2021-29737 NVD summary: IBM InfoSphere Data Flow Designer Engine (IBM InfoSphere Information Server 11.7 ) component has improper validation of the REST API server certificate. IBM X-Force […]

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How To Rewrite URLs with mod_rewrite for Apache on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How To Rewrite URLs with mod_rewrite for Apache on Debian 8

The mod_rewrite module allows us to rewrite URLs in a cleaner fashion, translating human-readable paths into code-friendly query strings or redirecting URLs based on additional conditions. This guide is split into two parts. The first sets up an example website and covers a simple rewrite example. The second part contains two more in-depth examples of commonly-used rewrite rules.

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How To Reset Your MySQL or MariaDB Root Password — step-by-step Linux tutorial on Progressive Robot

How To Reset Your MySQL or MariaDB Root Password

Forgetting passwords happens to the best of us. If you forget or lose the root password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-enabled user account. This tutorial will cover how to…

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How to Configure NIC Teaming on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure NIC Teaming on Windows Server 2016

How to Configure Teaming Network Adapters on Windows Server 2016 Network adapter teaming, also known as NIC teaming or Load Balancing/Failover (LBFO), allows you to combine multiple physical network adapters into a single logical interface. On Windows Server 2016, NIC teaming is a built-in feature that provides increased bandwidth, redundancy, and fault tolerance. When one […]

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FreeBSD 13 — silgraphite — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — silgraphite — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: graphite2 — code execution vulnerability Related CVEs: CVE-2016-1521 CVE-2016-1522 CVE-2016-1523 CVE-2016-1526 Upstream summary: Talos reports: An exploitable denial of service vulnerability exists in the font handling of Libgraphite. A specially […]

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AlmaLinux 8 — libXdmcp — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libXdmcp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4742 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — ulfius — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ulfius — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40540 Upstream summary: ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests. Table of contents Symptom & […]

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Oracle Linux 8 — go-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1746)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1746 Related CVEs: CVE-2021-3114 CVE-2021-3115 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Set Up Dovecot IMAP Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up dovecot imap server on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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