Security Hardening

How to Perform an Alternate Disk Migration on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Perform an Alternate Disk Migration 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 perform an alternate disk migration on ibm aix 7.1 […]

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FreeBSD 12 — pear-Horde_Image — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pear-Horde_Image — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pear-Horde_Image — DoS vulnerability Related CVEs: CVE-2017-9773 CVE-2017-9774 Upstream summary: Michael J Rubinsky reports: The second vulnerability (CVE-2017-9773) is a DOS vulnerability. This only affects Horde installations that do not […]

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FreeBSD 12 — xemacs-devel-mule — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xemacs-devel-mule — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: emacs — movemail format string vulnerability Related CVEs: CVE-2005-0100 Upstream summary: Max Vozeler discovered several format string vulnerabilities in the movemail utility of Emacs. They can be exploited when connecting […]

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Ubuntu 18.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4100-1 Related CVEs: CVE-2016-6232 CVE-2019-14744 Upstream summary: It was discovered that KConfig and KDE libraries have a vulnerability where an attacker could hide malicious code under desktop and configuration files. […]

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openSUSE Tumbleweed — ruby2.7-rubygem-rubyzip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.7-rubygem-rubyzip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-5946 CVE-2018-1000544 Upstream summary: The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading […]

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How to Secure PostgreSQL on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Secure PostgreSQL on SLES 15

Introduction This tutorial covers How to Secure PostgreSQL on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]

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SLES 12 — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-0104 CVE-2019-10153 Upstream summary: In fence-agents before 4.0.17 does not verify remote SSL certificates in the fence_cisco_ucs.py script which can potentially allow for man-in-the-middle attackers […]

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FreeBSD 12 — opera-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opera-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: opera — moderately severe issue Related CVEs: CVE-2004-1156 CVE-2004-1157 CVE-2004-1158 CVE-2004-1160 CVE-2004-1491 CVE-2005-0456 CVE-2005-1475 CVE-2005-1669  +12 more Upstream summary: Opera reports: Fixed a moderately severe issue, as reported by Attila […]

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Amazon Linux 2 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1222 Related CVEs: CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 CVE-2018-3615 CVE-2018-3620 CVE-2018-3646 CVE-2018-5391 CVE-2018-13093  +12 more Upstream summary: CVE-2019-11477, CVE-2019-11478 and CVE-2019-11479 describe vulnerabilities in the Linux kernel that can be remotely exploited […]

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How to Set Up a Python Django Application on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a Python Django Application on Debian 10

Introduction This guide explains how to Set Up a Python Django Application on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install […]

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