How To Set Up Continuous Integration with Buildbot on Ubuntu 16.04
Buildbot is a Python-based continuous integration system for automating software build, test, and release processes. In the previous tutorials, we [installed…
Ubuntu 16.04 — lucene-solr — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 3 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7283-1 Related CVEs: CVE-2019-0193 CVE-2017-12629 Upstream summary: It was discovered that the Apache Solr DataImportHandler module incorrectly handled certain request parameters in a default configuration. A remote attacker could possibly […]
Ubuntu 16.04 Swap Not Activating After Reboot
🟡 Medium ⏱ 5–30 min Last verified: 29 February 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 […]
Ubuntu 16.04 — rake — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4295-1 Related CVEs: CVE-2020-8130 Upstream summary: It was discovered that Rake incorrectly handled certain files. An attacker could use this issue to possibly execute arbitrary commands. Table of contents Symptom […]
Ubuntu 16.04 — dovecot — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 29 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4674-1 Related CVEs: CVE-2020-24386 CVE-2020-25275 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2019-11500 CVE-2019-7524 CVE-2019-3814 +4 more Upstream summary: It was discovered that Dovecot incorrectly handled certain imap hibernation commands. A remote authenticated attacker […]
Ubuntu 16.04 SSH Login Fails After sshd_config Change
🟡 Medium ⏱ 5–30 min Last verified: 28 February 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 […]
How To Install Python 3 and Set Up a Local Programming Environment on Ubuntu 16.04
This tutorial will get you up and running with a local Python 3 programming environment in Ubuntu 16.04. It will guide you through installing Python 3 on your local Linux machine and setting up a programming environment via the command line. Though it will explicitly cover the installation procedures for Ubuntu 16.04, the general principles apply to any other Debian-based distributions.
Как установить Linux, Nginx, MySQL, PHP (LEMP) в Ubuntu 16.04
Стек LEMP представляет собой набор программного обеспечения, который используется для отображения динамических веб-страниц и веб-приложений. Этот акроним обозначает операционную систему Linux и веб-сервер Nginx. Данные при этом хранятся в базе данных MySQL, а динамическое…
Ubuntu 16.04 — apt — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 27 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4667-1 Related CVEs: CVE-2020-27350 CVE-2020-3810 CVE-2019-3462 CVE-2016-1252 Upstream summary: Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to […]
Ubuntu 16.04 — sa-exim — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4520-1 Related CVEs: CVE-2019-19920 Upstream summary: It was discovered that Exim SpamAssassin does not properly handle configuration strings. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-19920) […]
