ubuntu

How To Set Up Cherokee on Ubuntu 12.10/Debian — step-by-step Linux tutorial on Progressive Robot

How To Set Up Cherokee on Ubuntu 12.10/Debian

Cherokee is a high performance, lightweight, full-featured web server. It is compatible with SSL, FastCGI, and all modern web application frameworks like NodeJS, Rails, and Python through uWSGI. The best thing about Cherokee is that unlike Apache or Nginx, Cherokee can be administered completely through it’s admin web interface.

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How To Install Concourse CI on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Concourse CI on Ubuntu 16.04

Concourse CI is a modern, scalable continuous integration system designed to automate testing pipelines with a composable, declarative syntax. In this tutorial, we will demonstrate how to install Concourse CI on an Ubuntu 16.04 server. We will configure a PostgreSQL database to use as the backend, download and install the Concourse binaries, and then configure the web and worker processes that allow us to build and execute continuous integration pipelines.

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Ubuntu 16.04 — libxkbcommon — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libxkbcommon — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3786-1 Related CVEs: CVE-2018-15853 CVE-2018-15854 CVE-2018-15855 CVE-2018-15856 CVE-2018-15857 CVE-2018-15858 CVE-2018-15859 CVE-2018-15861  +3 more Upstream summary: It was discovered that libxkbcommon incorrectly handled certain files. An attacker could possibly use this […]

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Common Problems 117915

Ubuntu 18.04 LTS – apt update shows NO_PUBKEY for repository signatures

🟠 High   ⏱ 5–30 min  Last verified: 7 July 2019 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Ubuntu 16.04 — aspell — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — aspell — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5023-1 Related CVEs: CVE-2019-25051 CVE-2019-17544 Upstream summary: It was discovered that Aspell incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a […]

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Common Problems 119121

Ubuntu 14.04 LTS GRUB update fails and leaves system unbootable

🔴 Critical   ⏱ 5–30 min  Last verified: 5 July 2019 Affected versions: 14.04 📖 ~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 […]

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Common Problems 118121

Ubuntu 18.04 Cannot Resolve Hostname in sudo

🟡 Medium   ⏱ 5–30 min  Last verified: 5 July 2019 📖 ~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 Benchmark the Performance of a Redis Server on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Benchmark the Performance of a Redis Server on Ubuntu 18.04

Benchmarking is an important practice to analyse the overall performance of servers and identify bottlenecks as well as opportunities for improvement within those systems. In this guide, we’ll demonstrate how to benchmark the performance of a Redis server running on Ubuntu 18.04, using a few different tools and methods.

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Начальная настройка сервера c Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

Начальная настройка сервера c Ubuntu 14.04

После создания нового сервера необходимо предпринять несколько шагов по его базовой настройке. Это повысит безопасность и удобство использования Вашего сервера и заложит прочную основу для последующих действий. Для того, чтобы…

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