A hypervisor is software that creates, runs, and monitors virtual machines. The hypervisor shares the host’s resources — such as CPU, memory and storage — among various guest VMs. A hypervisor provides the flexibility to run virtual machines that use operating systems different from the one run by the host machine.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read • Source: OpenBSD 7.5 errata 012_xserver Errata topic: Security: xserver (All architectures) Issued: October 29, 2024 Related CVEs: CVE-2024-9632 Upstream summary: Fix memory allocation error in the Xkb X11 server extension. CVE-2024-9632 Table of contents Symptom […]
🟠 High ⏱ 15–60 min Last verified: 4 January 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5673-1 Related CVEs: CVE-2021-4217 CVE-2022-0529 CVE-2022-0530 https://launchpad.net/bugs/1957077 CVE-2014-9913 CVE-2016-9844 CVE-2018-1000035 CVE-2018-18384 +9 more Upstream summary: It was discovered that unzip did not properly handle unicode strings under certain circumstances. If […]
Results from a the cloud provider global study on how businesses of all sizes use cloud services, their pain points, and how cloud-native businesses are distinct from other companies.
Introduction to NTLM Security NTLM (NT LAN Manager) is a challenge-response authentication protocol used by Windows when Kerberos is not available—for example when accessing resources by IP address instead of hostname, in workgroup environments, or when connecting to legacy systems. While Kerberos is the preferred protocol, NTLM is still present in virtually all Windows environments […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1713 Related CVEs: CVE-2021-3246 CVE-2022-33065 CVE-2021-4156 CVE-2018-13139 CVE-2018-19662 Upstream summary: A heap buffer overflow flaw was found in libsndfile. This flaw allows an attacker to execute arbitrary code via a […]
🟡 Medium ⏱ 10–30 min Last verified: 4 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-2312 Related CVEs: CVE-2020-36518 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Learn how to use Python’s type() function to check data types and create dynamic classes. Includes syntax, examples, and practical tips.
🟠 High ⏱ 15–60 min Last verified: 4 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-24267 Related CVEs: CVE-2022-1962 CVE-2022-2880 CVE-2022-2879 CVE-2022-28131 CVE-2022-41715 CVE-2022-30633 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
URL: https://www.progressiverobot.com/install-tomcat-on-linux/ Let's cover the steps to install Tomcat on Linux today. We have already covered the steps for [installation on CentOS here](/community/tutorials/install-apache-tomcat-9-centos-7). In this tutorial, we'll use Ubuntu to demonstrate the installation. You can follow this tutorial even if you're on a different distribution. To do so, make sure you use the package manager […]
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