O autor selecionou a Open Sourcing Mental Ilness Ltd para receber uma doação como parte do programa Write for DOnations. As pessoas usam tipos diferentes de dispositivos…
Managing users and groups is one of the most fundamental tasks for any Linux system administrator. On Red Hat Enterprise Linux 8, the useradd, groupadd, and passwd commands provide powerful options for creating and controlling accounts. Understanding how to set password policies, manage group memberships, and configure account aging will help you maintain a secure, […]
🟡 Medium ⏱ 10–30 min Last verified: 7 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5222-1 Related CVEs: CVE-2021-44832 CVE-2021-45105 CVE-2021-44228 Upstream summary: It was discovered that Apache Log4j 2 was vulnerable to remote code execution (RCE) attack when configured to use a JDBC Appender […]
🟡 Medium ⏱ 10–30 min Last verified: 7 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7704 Related CVEs: CVE-2022-26709 CVE-2022-26716 CVE-2022-22629 CVE-2022-26710 CVE-2022-30293 CVE-2022-22628 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: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202106-34 Related CVEs: CVE-2020-24513 CVE-2020-24512 CVE-2020-24511 CVE-2020-24489 CVE-2020-0549 CVE-2020-0548 CVE-2020-0543 CVE-2019-11139 +5 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 20210216-1. Fixed in: 20210608-1. Group: AVG-2051. Table of contents […]
Learn how to create symbolic links between files and directories from the command-line using the ln command.
🟡 Medium ⏱ 10–30 min Last verified: 7 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1986 Related CVEs: CVE-2021-3737 CVE-2021-4189 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
El autor seleccionó la Apache Software Foundation para recibir una donación como parte del programa Write for DOnations. En MySQL, un…
Der Autor hat das Computer History Museum für eine Spende im Rahmen des Programms Write for DOnations ausgewählt. Viele Anwendungen, wie z. B. Überwachungs- und Datenerfassungssysteme, sammeln Daten zur weiteren…
Metricbeat, the replacement for Topbeat, is a lightweight data shipper that collects CPU and memory statistics from a server and sends the data directly to your Elasticsearch deployment. In this tutorial, you will use Metricbeat to forward local system metrics like CPU/memory/disk usage and network utilization from an Ubuntu 18.04 server to another server of the same kind with the Elastic Stack installed.
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