Logging Monitoring

How to Use IBM Electronic Service Agent on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use IBM Electronic Service Agent on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm electronic service agent on IBM AIX 7.3 […]

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Ubuntu 20.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 June 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-1 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: It was discovered that FLAC incorrectly handled encoding certain files. A remote attacker could use this issue to cause FLAC to […]

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Ubuntu 18.04 — libphp-phpmailer — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libphp-phpmailer — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 June 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5956-2 Related CVEs: CVE-2017-11503 CVE-2016-10033 CVE-2016-10045 CVE-2017-5223 CVE-2018-19296 CVE-2020-13625 CVE-2021-3603 Upstream summary: USN-5956-1 fixed vulnerabilities in PHPMailer. It was discovered that the fix for CVE-2017-11503 was incomplete. This update fixes […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 30 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2012-5829 CVE-2013-0743 CVE-2013-0744 CVE-2013-0745 CVE-2013-0746 CVE-2013-0747 CVE-2013-0748 CVE-2013-0749  +12 more Upstream summary: The Mozilla Project reports: MFSA 2013-01 Miscellaneous memory safety hazards (rv:18.0/ rv:10.0.12 […]

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Amazon Linux 2 — kernel-livepatch-4.14.238-182.421 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.238-182.421 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-061 Related CVEs: CVE-2021-40490 CVE-2021-33909 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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How to Configure Postfix Mail Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Postfix Mail Server on Debian 11

Introduction This guide explains how to Configure Postfix Mail Server on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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FreeBSD 13 — apr — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apr — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache APR — DoS vulnerabilities Related CVEs: CVE-2009-0023 CVE-2009-1955 CVE-2009-1956 CVE-2009-3560 CVE-2009-3720 CVE-2010-1623 CVE-2011-0419 CVE-2011-1928 Upstream summary: The Apache Portable Runtime Project reports: Reimplement apr_fnmatch() from scratch using a non-recursive […]

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

Debian 11 — scrollz — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29376 Upstream summary: ircII before 20210314 allows remote attackers to cause a denial of service (segmentation fault and client crash, disconnecting the victim from an IRC server) via […]

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