IT, Cloud & DevOps Blog

How to Install Packer Image Builder on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Packer Image Builder on FreeBSD 15

Introduction Deploying install packer image builder on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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FreeBSD 15 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice.org — Multiple vulnerabilities Related CVEs: CVE-2006-4339 CVE-2008-2237 CVE-2008-2238 CVE-2009-0217 CVE-2009-2493 CVE-2009-2949 CVE-2009-2950 CVE-2009-3301  +1 more Upstream summary: OpenOffice.org Security Team reports: Fixed in OpenOffice.org 3.3 CVE-2010-2935 / CVE-2010-2936 : […]

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FreeBSD 15 — dovecot-managesieve — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — dovecot-managesieve — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dovecot-managesieve — Script Name Directory Traversal Vulnerability Related CVEs: CVE-2008-5301 Upstream summary: Secunia reports: The security issue is caused due to an input validation error when processing script names. This […]

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Windows Server 2025 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5073455 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20876 CVE-2026-20962 CVE-2026-21265 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20811  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Microsoft Graphics Component allows […]

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FreeBSD 15 — samba32-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — samba32-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: samba — potential leakage of arbitrary memory contents Related CVEs: CVE-2008-4314 Upstream summary: Samba Team reports: Samba 3.0.29 and beyond contain a change to deal with gcc 4 optimizations. Part […]

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How to Configure Persistent Volumes in Kubernetes on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Persistent Volumes in Kubernetes on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure persistent volumes in kubernetes on FreeBSD 15 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 Linux distribution. This […]

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FreeBSD 15 — go-ethereum — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — go-ethereum — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: go-ethereum — vulnerabilities Related CVEs: CVE-2026-26313 CVE-2026-26314 CVE-2026-26315 Upstream summary: https://github.com/ethereum/go-ethereum/security/advisories reports: DoS via malicious p2p message (CVE-2026-26313) DoS via malicious p2p message (CVE-2026-26314) Improper ECIES Public Key Validation in […]

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Ubuntu 20 .04にPostfixをインストールして設定 する方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20 .04にPostfixをインストールして設定 する方法

Postfixは人気のあるオープンソースのメール転送エージェント(Mail Transfer Agent: MTA)であり、Linuxシステムで電子メールのルーティングや配信に使用できます。インターネット上のパブリックメールサーバーの約25%がPostfixを実行していると推定されます。このガイドでは、Ubuntu 20.04サーバーにPostfixをインストールして設定する方法を学びます。

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AlmaLinux 8 — opencryptoki — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — opencryptoki — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:5587 Related CVEs: CVE-2026-23893 CVE-2024-0914 Upstream summary: The opencryptoki packages contain version 2.11 of the PKCS#11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes […]

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