ubuntu

Ubuntu 16.04 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 16, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4382-1 Related CVEs: CVE-2020-11042 CVE-2020-11045 CVE-2020-11046 CVE-2020-11048 CVE-2020-11049 CVE-2020-11058 CVE-2020-11521 CVE-2020-11522  +12 more Upstream summary: It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use […]

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How to Set Up Squid Proxy for Private Connections on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Squid Proxy for Private Connections on Ubuntu 20.04

  • December 16, 2020
  • Linux
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Proxy servers are a useful way of caching or obfuscating web traffic. This means that web requests can be served from different inbound or outbound addresses than they appear to be, by offloading the connection to intermediaries. For regular end users, this usually means allowing you to make web requests from a different IP address than your own. In this tutorial, you will be installing and configuring Squid to support a number of popular proxy protocols on a Ubuntu 20.04 server.

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Common Problems 117988

Ubuntu 18.04 LTS – systemd service enters crash loop after package update – Fix & Prevention

  • December 15, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 15 December 2020 Affected versions: Ubuntu 18.04 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 118007

Ubuntu 18.04 High CPU from Runaway systemd Service

  • December 14, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 14 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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Ubuntu 20.04でSSHの鍵をセットアップする方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04でSSHの鍵をセットアップする方法

  • December 14, 2020
  • Linux
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本ガイドでは、Ubuntu 20.04インストール用のSSHの鍵をセットアップすることに焦点を合わせます。SSHの鍵は、サーバーに簡単かつ安全にログインすることができるため、すべてのユーザーに推奨されています。

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Ubuntu 20.04 — fossil — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fossil — vulnerability — patch and remediation guide

  • December 14, 2020
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6770-1 Related CVEs: https://launchpad.net/bugs/2064509 Upstream summary: USN-6729-1 fixed vulnerabilities in Apache HTTP Server. The update lead to the discovery of a regression in Fossil with regards to the handling of […]

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How To Install and Use Ack, a Grep Replacement for Developers, on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Ack, a Grep Replacement for Developers, on Ubuntu 14.04

  • December 14, 2020
  • Linux
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Searching for files and searching through files are two activities that you probably do often when developing an application. Ack is a search tool that is optimized for working on source files. It can intelligently handle searches very fast and is a suitable replacement for grep in most situations. In this guide, we’ll show you how to install and use ack on an Ubuntu 14.04 server.

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Common Problems 118626

Ubuntu 16.04 locale warnings cannot set LC_ALL

  • December 13, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 13 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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