ubuntu

Common Problems 119126

Ubuntu 14.04 LTS – Postfix mail queue backlog grows uncontrollably – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 2020 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 […]

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Контейнеризация приложения Laravel 6 для разработки с помощью Docker Compose в Ubuntu 18.04 — step-by-step Docker tutorial on Progressive Robot

Контейнеризация приложения Laravel 6 для разработки с помощью Docker Compose в Ubuntu 18.04

Контейнеризация приложения — это процесс адаптации приложения и его компонентов для работы в облегченных средах, называемых контейнерами. Это изолируемые одноразовые среды, которые используются для разработки, тестирования и…

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Ubuntu 14.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4766-1 Related CVEs: CVE-2014-0114 CVE-2019-10086 Upstream summary: It was discovered that Apache Commons BeanUtils improperly handled certain input. An attacker could possibly use this vulnerability to cause a crash or […]

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Ubuntu 14.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5173-2 Related CVEs: CVE-2019-14462 CVE-2019-14463 Upstream summary: USN-5173-1 fixed vulnerabilities in libmodbus. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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Common Problems 118971

Ubuntu 14.04 LTS DNS resolution fails while IP ping works

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2020 Affected versions: 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 & […]

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Common Problems 118979

Ubuntu 14.04 LTS – system enters GRUB rescue after bootloader issue

🔴 Critical   ⏱ 5–30 min  Last verified: 1 January 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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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How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04

Cheat is a command line based Python program that allows system administrators to view and store helpful cheat sheets. It retrieves plain-text examples of a chosen command in order to remind the user of options, arguments, or common uses. Cheat is ideal for “commands that you use frequently, but not frequently enough to remember.”

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How To Set Up Shiny Server on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Shiny Server on Ubuntu 14.04

[Shiny](http://shiny.rstudio.com/) is an R package that allows users to convert R code into an interactive webpage. [Shiny server](http://www.rstudio.com/products/shiny/shiny-server/) is a server provided by RStudio that can be used to host and manage Shiny applications on the web. Other than hosting Shiny applications, Shiny Server can also host [interactive R markdown documents](http://rmarkdown.rstudio.com/). In this guide, we will learn how to set up the open source Shiny Server on a Dig

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