🟡 Medium ⏱ 10–30 min Last verified: 29 January 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 CVE-2013-6370 CVE-2013-6371 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This […]
In this tutorial, you’ll learn how to install Hadoop in stand-alone mode on an Ubuntu 18.04 server. You’ll also run an example MapReduce program to search for occurrences of a regular expression in text files.
🟡 Medium ⏱ 10–30 min Last verified: 29 January 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4636-1 Related CVEs: CVE-2020-25708 CVE-2014-6053 CVE-2018-7225 CVE-2019-15681 CVE-2020-14397 CVE-2020-14402 CVE-2020-14403 CVE-2020-14404 Upstream summary: It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to […]
🟡 Medium ⏱ 5–30 min Last verified: 28 January 2021 📖 ~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 […]
🟠 High ⏱ 5–30 min Last verified: 28 January 2021 Affected versions: 20.04 LTS 📖 ~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 & […]
High availability is a function of system design that allows an application to automatically restart or reroute work to another capable system in the event of a failure. In terms of servers, there are a few different technologies needed to set up a highly available system. …
Ansible is an automation tool that allows you to remotely configure systems, install software, and perform complex tasks across a large fleet of servers without needing to manually log into each. This tutorial goes over how to configure Apache on a remote host using Ansible.
🟡 Medium ⏱ 5–30 min Last verified: 27 January 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]
🟢 Low ⏱ 5–15 min Last verified: 27 January 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4968-2 Related CVEs: CVE-2021-3520 Upstream summary: USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]
X2Go provides a working “cloud desktop,” complete with all the advantages of an always-online, remotely-accessible, easily-scalable computing system with a very fast network. It is also more responsive and more secure than many VNC solutions. In this tutorial, you’ll use X2Go to create a Debian 10 XFCE desktop environment that you can access remotely. This “cloud desktop” will include the exact same utilities that you would obtain had you installed Ubuntu 20.04 and XFCE on your local machine.
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