🟢 Low ⏱ 5–15 min Last verified: 14 March 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5274-1 Related CVEs: CVE-2020-14409 CVE-2020-14410 Upstream summary: It was discovered that Simple DirectMedia Layer library incorrectly handled memory when parsing certain specially crafted .BMP files. An attacker could possibly use […]
In this tutorial you will improve the performance of the LAMP stack by changing the default multi-processing module from pre-fork to event and by using the PHP-FPM process manager to handle PHP code instead of the classic mod_php in Apache HTTP.
ExternalDNS automatically manages external DNS records from within a Kubernetes cluster. Once deployed, ExternalDNS works in the background and requires almost no additional configuration. Whenever a Service or Ingress is created or changed, ExternalDNS will update the records right away. In this tutorial, you will install ExternalDNS to your Kubernetes cluster via Helm and configure to use the cloud provider as your DNS provider.
Introduction How to Install Xdebug for PHP on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-14 Related CVEs: CVE-2020-28924 Upstream summary: Passwords generated with rclone were insecurely generated and are vulnerable to brute force attacks. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟠 High ⏱ 15–60 min Last verified: 13 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-2714 Related CVEs: CVE-2021-32399 CVE-2021-33909 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟠 High ⏱ 15–60 min Last verified: 13 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458 +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]
🟢 Low ⏱ 5–15 min Last verified: 13 March 2021 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map). Table of contents Symptom […]
Introduction This tutorial covers How to Set Up NFS High Availability 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. Step 1 — Install NFS Server zypper install -y nfs-kernel-server […]
🟡 Medium ⏱ 5–30 min Last verified: 13 March 2021 Affected versions: Windows Server 2019 📖 ~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 Errors […]
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