Every Linux administrator needs a reliable toolkit for answering the question “why is this server slow?” The answer is almost always in one of four resources: CPU, memory, disk I/O, or network. RHEL 9 includes several powerful tools for diagnosing resource contention: top is included in every base installation and provides a real-time process table; […]
🟡 Medium ⏱ 10–30 min Last verified: 5 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-0398 CVE-2009-3560 CVE-2009-3720 Upstream summary: Heap-based buffer overflow in the ne_rfc1036_parse date parsing function for the neon library (libneon) 0.24.5 and earlier, as used by cadaver before 0.22, […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1208-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-17367 CVE-2020-17368 CVE-2022-31214 CVE-2017-5180 CVE-2017-5207 CVE-2016-7545 CVE-2017-5206 CVE-2019-12589 Upstream summary: Firejail through 0.9.62 does not honor the — end-of-options indicator after the –output option, which […]
Introduction This tutorial covers How to Set Up IPsec VPN with Libreswan on SLES 12 on SLES 12. SLES 12 (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 12 system is up to […]
🟢 Low ⏱ 5–15 min Last verified: 5 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-7299 Upstream summary: framework/common/messageheaderparser.cpp in Tntnet before 2.2.1 allows remote attackers to obtain sensitive information via a header that ends in \n instead of \r\n, which prevents a […]
🟢 Low ⏱ 5–15 min Last verified: 5 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-4478 CVE-2013-4479 Upstream summary: Sup before 0.13.2.1 and 0.14.x before 0.14.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the filename of an email attachment. […]
🟡 Medium ⏱ 10–30 min Last verified: 5 November 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5570-1 Related CVEs: CVE-2022-37434 CVE-2018-25032 CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843 Upstream summary: Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate operations. An attacker could use this issue […]
Introduction to PowerShell Automated Deployments Automating deployments with PowerShell on Windows Server 2022 eliminates manual steps, reduces human error, and creates repeatable, auditable release processes. Whether you are deploying web applications to IIS, installing Windows Services, or pushing changes to remote servers, PowerShell provides a consistent scripting surface that integrates with virtually every CI/CD pipeline. […]
🟠 High ⏱ 30–90 min Last verified: 4 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2001-1440, IBM Support Bulletin CVE: CVE-2001-1440 NVD summary: Unknown vulnerability in login for AIX 5.1L, when using loadable authentication modules, allows remote attackers to gain access to the system. References: securitytracker.com/id?1003038 […]
🟠 High ⏱ 5–30 min Last verified: 4 November 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]
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