Package Management

How to Configure Log Rotation with logrotate on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Log Rotation with logrotate on RHEL 7

How to Configure Log Rotation with logrotate on RHEL 7 Log files are essential for diagnosing system problems, tracking security events, and auditing application behavior. However, without proper management, log files grow without bound and can fill your disk, causing service outages and making historical logs difficult to navigate. logrotate is the standard log rotation […]

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Ubuntu 16.04 — glances — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — glances — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 August 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5187-1 Related CVEs: CVE-2021-23418 Upstream summary: It was discovered that Glances incorrectly parsed untrusted XML data due to usage of xmlrpclib. An attacker could possibly use this to perform an […]

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Arch Linux — glibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — glibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201911-3 Related CVEs: CVE-2019-9169 CVE-2018-1000001 CVE-2017-15671 CVE-2017-15670 CVE-2017-1000366 CVE-2021-3326 CVE-2020-29562 CVE-2020-27618  +1 more Upstream summary: Type: information disclosure. Status: Fixed. Affected: 2.29-4. Fixed in: 2.30-1. Group: AVG-855. Table of contents […]

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

FreeBSD 13 — mozilla-embedded — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2024-4211)

🟠 High   ⏱ 15–60 min  Last verified: 7 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-4211 Related CVEs: CVE-2023-52877 CVE-2023-52881 CVE-2024-26585 CVE-2024-26675 CVE-2024-26907 CVE-2024-26982 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

AlmaLinux 8 — ostree — 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-2022:1883 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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How to Set Up IPsec with StrongSwan on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up IPsec with StrongSwan 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 ipsec with strongswan 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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How to Configure Logical Volume Manager on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Logical Volume Manager 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 logical volume manager on ibm aix 7.1 on […]

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AlmaLinux 8 — gstreamer1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gstreamer1 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1631 Related CVEs: CVE-2018-7263 Upstream summary: The GStreamer library provides a streaming media framework based on graphs of media data filters. The libmad package is an MPEG audio decoder capable of 24-bit […]

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How to Install and Configure Dovecot IMAP Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Dovecot IMAP Server on RHEL 7

How to Install and Configure Dovecot IMAP Server on RHEL 7 Dovecot is a secure, high-performance IMAP and POP3 server that integrates seamlessly with Postfix on RHEL 7. While Postfix handles the transport of mail (sending and receiving via SMTP), Dovecot provides the retrieval layer — allowing mail clients such as Thunderbird, Outlook, or Apple […]

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