🟠 High ⏱ 15–60 min Last verified: 28 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-5013 Related CVEs: CVE-2021-43541 CVE-2021-43546 CVE-2021-43536 CVE-2021-43539 CVE-2021-43538 CVE-2021-43542 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟠 High ⏱ 15–60 min Last verified: 28 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-9546 Related CVEs: CVE-2021-32777 CVE-2021-25741 CVE-2021-32779 CVE-2021-32780 CVE-2021-32781 CVE-2021-32778 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Docker Compose simplifies running multi-container applications by defining every service, network, and volume in a single docker-compose.yml file. Instead of typing long docker run commands for each container, you declare the desired state and let Compose handle the orchestration. On RHEL 8 with Docker CE installed, Docker Compose V2 ships as a plugin and is […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.8.1-r0 📖 ~4 min read • Source: Alpine secdb entry — zsh 5.8.1-r0 Related CVEs: CVE-2021-45444 CVE-2019-20044 CVE-2018-1083 CVE-2018-1071 Upstream summary: Alpine main repository for vedge ships zsh 5.8.1-r0 which addresses CVE-2021-45444. Table of contents Symptom […]
WordPress is an extremely popular open-source technology and WordPress sites represent 36% of all websites that are currently online. This tutorial is intended for those who are comfortable with system administration or for those who are interested in learning how to administer your own WordPress instance on the server side. In this guide, we’ll install and set up WordPress via LAMP on a Linux Ubuntu 20.04 server.
🟢 Low ⏱ 5–15 min Last verified: 27 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-7166 Related CVEs: CVE-2023-22745 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 15–45 min Last verified: 27 November 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2021-29682, IBM Support Bulletin CVE: CVE-2021-29682 NVD summary: IBM Security Identity Manager 7.0.2 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the […]
🟢 Low ⏱ 5–15 min Last verified: 27 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Vim/NeoVim — Security vulnerability Related CVEs: CVE-2016-1248 Upstream summary: Security releases for Vim/NeoVim: Sandbox escape allows for arbitrary code execution. Table of contents Symptom & Impact Environment & Reproduction Root […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:1943 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Introduction How to Set Up NFS Server on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 […]
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