ubuntu

Common Problems 118520

Ubuntu 16.04 sudo unable to resolve host error

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2020 📖 ~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 […]

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How To Add Swap Space on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Add Swap Space on Ubuntu 16.04

One of the easiest way of increasing the responsiveness of your server and guarding against out of memory errors in your applications is to add some swap space. In this guide, we will cover how to add a swap file to an Ubuntu 16.04 server. <$>[warning] [label…

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Ubuntu 18.04 — libexif — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libexif — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 December 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4624-1 Related CVEs: CVE-2020-0452 CVE-2020-0093 CVE-2020-0182 CVE-2020-0198 CVE-2020-13112 CVE-2020-13113 CVE-2020-13114 CVE-2018-20030  +4 more Upstream summary: It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this […]

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How To Query Prometheus on Ubuntu 14.04 Part 1 — step-by-step Linux tutorial on Progressive Robot

How To Query Prometheus on Ubuntu 14.04 Part 1

Prometheus is an open source monitoring system and time series database. In part 1 of this series, you will learn how to select and filter time series based on their dimensions, aggregate and transform time series, as well as how to do arithmetics between different metrics in Prometheus 1.3.1.

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