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How to Use netboot for Diskless Clients on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use netboot for Diskless Clients 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 netboot for diskless clients on ibm aix 7.2 […]

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

AlmaLinux 8 — valgrind — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1817 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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FreeBSD 13 — ap20-mod_pubcookie — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ap20-mod_pubcookie — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_pubcookie — Empty Authentication Security Advisory Upstream summary: Nathan Dors, Pubcookie Project reports: An Abuse of Functionality vulnerability in the Pubcookie authentication process was found. This vulnerability allows an attacker […]

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How to Install Netdata on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Netdata on RHEL 7

How to Install Netdata on RHEL 7 Netdata is a real-time performance monitoring agent that delivers per-second metrics with zero configuration on most Linux systems. Unlike heavier monitoring solutions that scrape on 15-second or 1-minute intervals, Netdata collects and stores data every second, making it ideal for diagnosing transient performance problems that would be invisible […]

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FreeBSD 13 — mplayer-gtk — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mplayer-gtk — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mplayer — vulnerability in STR files processor Related CVEs: CVE-2004-0433 CVE-2004-1187 CVE-2004-1188 CVE-2005-1195 CVE-2006-0579 CVE-2006-1502 CVE-2006-6172 CVE-2007-1246  +8 more Upstream summary: Secunia reports: The vulnerability is caused due to a […]

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FreeBSD 13 — hostapd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — hostapd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: FreeBSD — EAP-pwd message reassembly issue with unexpected fragment Related CVEs: CVE-2015-4141 CVE-2015-4142 CVE-2015-4143 CVE-2015-4144 CVE-2015-4145 CVE-2015-4146 CVE-2015-5310 CVE-2015-5315  +12 more Upstream summary: Problem Description: EAP-pwd implementation in hostapd (EAP […]

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AlmaLinux 8 — log4j — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — log4j — 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-2022:1963 Upstream summary: This enhancement update adds the log4j:2 module to AlmaLinux (BZ#1937468) For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table […]

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FreeBSD 13 — krb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — krb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: krb5 — Double-free in KDC TGS processing Related CVEs: CVE-2002-2443 CVE-2004-0642 CVE-2004-0643 CVE-2004-0644 CVE-2004-0772 CVE-2004-1189 CVE-2010-0283 CVE-2010-0628  +12 more Upstream summary: The MIT krb5 Team reports: When issuing a ticket […]

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Alpine Linux edge — polkit — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — polkit — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.120-r2 📖 ~4 min read  •  Source: Alpine secdb entry — polkit 0.120-r2 Related CVEs: CVE-2021-4034 CVE-2021-3560 Upstream summary: Alpine community repository for vedge ships polkit 0.120-r2 which addresses CVE-2021-4034. Table of contents Symptom & Impact […]

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