Ubuntu 22.04

How to Set Up Squid Proxy for Private Connections on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Squid Proxy for Private Connections on Ubuntu 22.04

  • October 6, 2023
  • 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 22.04 server.

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Common Problems 117118

Ubuntu 22.04 LTS – python3 venv creation fails due to missing ensurepip – Fix & Prevention

  • October 4, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 4 October 2023 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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Ubuntu 22.04 — python-future — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-future — vulnerability — patch and remediation guide

  • October 4, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5833-1 Related CVEs: CVE-2022-40899 Upstream summary: Sebastian Chnelik discovered that python-future incorrectly handled certain HTTP header field. An attacker could possibly use this issue to cause a denial of service. […]

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Ubuntu 22.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • October 2, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7077-1 Related CVEs: CVE-2023-31315 CVE-2023-20569 CVE-2023-20593 Upstream summary: Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode (SMM) configuration […]

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Ubuntu 22.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • October 2, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 2 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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Common Problems 117134

Ubuntu 22.04 LTS python3-venv Ensurepip Missing Error

  • October 1, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 1 October 2023 📖 ~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 22.04 — abcm2ps — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — abcm2ps — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • October 1, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5961-1 Related CVEs: CVE-2018-10753 CVE-2018-10771 CVE-2019-1010069 CVE-2021-32434 CVE-2021-32435 CVE-2021-32436 Upstream summary: It was discovered that abcm2ps incorrectly handled memory when parsing specially crafted ABC files. An attacker could use this […]

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Common Problems 117108

Ubuntu 22.04 LTS – certificate verify failed in apt and curl – Fix & Prevention

  • September 30, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 September 2023 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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How To Install and Configure Neo4j on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Neo4j on Ubuntu 22.04

  • September 29, 2023
  • Linux
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Neo4j is a graph database that records relationships between data nodes, whereas traditional relational databases use rows and columns to store and structure data. Since each node stores references to all the other nodes that it is connected to, Neo4j can encode and query complex relationships with minimal overhead.

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Ubuntu 22.04 — tang — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tang — vulnerability — patch and remediation guide

  • September 27, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 September 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6489-1 Related CVEs: CVE-2023-1672 Upstream summary: Brian McDermott discovered that Tang incorrectly handled permissions when creating/rotating keys. A local attacker could possibly use this issue to read the keys. Table […]

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