February 2021 - Page 2 of 62

Ubuntu 18.04 — audacity — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — audacity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7211-1 Related CVEs: CVE-2020-11867 Upstream summary: Mike Salvatore discovered that Audacity incorrectly handled default permissions of temporary files created by the application. An attacker could possibly use this issue to […]

Read more
How To Install and Use GoAccess Web Log Analyzer with Apache on Debian 7 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use GoAccess Web Log Analyzer with Apache on Debian 7

GoAccess allows you to monitor web server logs in real time, using a simple command-line dashboard, in order to quickly view and analyze traffic metrics. It runs entirely in a terminal with statistics organized into separate panels on one scrollable dashboard. It is also possible to use GoAccess to generate HTML, JSON, and CSV web traffic reports.

Read more
SLES 15 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3944-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13645 Upstream summary: In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to […]

Read more
How to Configure Traffic Shaping with tc on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Traffic Shaping with tc on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Traffic Shaping with tc on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with […]

Read more
How To Install And Configure mod_deflate On Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install And Configure mod_deflate On Ubuntu 14.04

Mod\_deflate is an Apache module which allows output from your web server to be compressed before being sent to the client. Once the size of your site content is compressed, its size is smaller, and clients are able to download it faster. This is valuable not only for clients with lower bandwidth, but it is also taken into consideration by search engines when evaluating your site performance and its page rank.

Read more
Oracle Linux 8 — libsolv — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libsolv — vulnerability — patch and remediation guide (ELSA-2021-4060)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4060 Related CVEs: CVE-2021-33928 CVE-2021-33929 CVE-2021-33938 CVE-2021-33930 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
How To Detect Anomalies with Skyline on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Detect Anomalies with Skyline on CentOS 7

A monitoring system receives system metrics. As soon as the value of one of the metrics goes outside the predetermined thresholds, it activates the corresponding trigger, and the monitoring system informs you that one of the metrics is outside normal limits.

Read more
Oracle Linux 8 — libX11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libX11 — vulnerability — patch and remediation guide (ELSA-2021-4326)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4326 Related CVEs: CVE-2021-31535 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Debian 10 — python-apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15795 CVE-2020-27351 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
CHAT