🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-2972 Related CVEs: CVE-2020-14578 CVE-2020-14579 CVE-2020-14583 CVE-2020-14556 CVE-2020-14577 CVE-2020-14593 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
This tutorial will show you how to perform a full hot backup of your MySQL or MariaDB databases using Percona XtraBackup on CentOS 7. The resulting database backup can then be backed up to a remote location using rsync, a backup system like Bacula, or the cloud provider backups. The process of restoring the database from a backup is also covered.
How to Configure Windows Server 2019 Active Directory Health Check Regular Active Directory health checks are essential for maintaining a stable and reliable directory service. AD health issues — replication failures, DNS errors, outdated tombstone lifetimes, FSMO role problems — often develop silently and only surface when critical failures occur. Windows Server 2019 provides built-in […]
OpenSSH, the most common SSH client on most systems, allows you to provide customized connection options. These can be saved to a configuration file that contains different options per server. This can help keep the different connection options you use for each host separated and organized, and avoids having to provide extensive options on the command line whenever you need to connect.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2019:3355 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4358 Related CVEs: CVE-2021-35942 CVE-2021-27645 CVE-2021-33574 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363 +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 & Cross-Refs References & Further […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202012-19 Related CVEs: CVE-2020-25829 Upstream summary: It was discovered that it was possible to update the DNSSEC validation state to a bogus state for a cached record via DNS ANY query. Table […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: kramdown — template option vulnerability Related CVEs: CVE-2020-14001 Upstream summary: kramdown news: CVE-2020-14001 is addressed to avoid problems when using the {::options /} extension together with the 'template' option. Table […]
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