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How to Set Up Nagios Client on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up Nagios Client 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 set up nagios client on ibm aix 7.2 on […]

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How to Set Up Active Directory Certificate Services on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Active Directory Certificate Services on Windows Server 2012 R2

How to Set Up Active Directory Certificate Services on Windows Server 2012 R2 Active Directory Certificate Services (AD CS) on Windows Server 2012 R2 provides Public Key Infrastructure (PKI) services for the enterprise, enabling the issuance and management of digital certificates. These certificates support a wide range of security functions: SSL/TLS for internal servers, smart […]

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Debian 11 — libevent — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libevent — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-6272 CVE-2015-6525 CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 Upstream summary: Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent […]

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openSUSE Tumbleweed — libapr-util1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libapr-util1 — 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 advisory SUSE-CU-2023:348-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-25147 CVE-2017-12618 Upstream summary: Integer Overflow or Wraparound vulnerability in apr_base64 functions of Apache Portable Runtime Utility (APR-util) allows an attacker to write beyond bounds […]

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How to Set Up PHP-FPM Process Management on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up PHP-FPM Process Management on SLES 15

Introduction This tutorial covers How to Set Up PHP-FPM Process Management 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: […]

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How To Set Up vsftpd on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up vsftpd on Ubuntu 12.04

Vsftpd is a fast and secure FTP server. Installing an FTP server can assist you with uploading files to your droplet. This tutorial describes how to install and set up vsftpd on Ubuntu 12.04.

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Ubuntu 20.04 — lighttpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — lighttpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 December 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5903-1 Related CVEs: CVE-2022-22707 CVE-2022-41556 Upstream summary: It was discovered that lighttpd incorrectly handled certain inputs, which could result in a stack buffer overflow. A remote attacker could possibly use […]

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