How to Fix SSL Protocol Errors: Causes and Solutions
Learn what causes the SSL Protocol Error and how to fix it in Chrome, Firefox, and other browsers. Follow this guide for simple troubleshooting steps.
Gentoo Linux — net-libs/libmicrodns — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202005-10 Related CVEs: CVE-2020-6071 CVE-2020-6072 CVE-2020-6073 CVE-2020-6077 CVE-2020-6078 CVE-2020-6079 CVE-2020-6080 Upstream summary: Multiple vulnerabilities have been discovered in libmicrodns. Please review the CVE identifiers and the upstream advisory referenced below for details. […]
How to Set Up Let’s Encrypt Certificates for Multiple Apache Virtual Hosts on Ubuntu 16.04
SSL certificates are used within web servers to encrypt the traffic between server and client, providing extra security for users accessing your application. Let’s Encrypt provides an easy way to obtain and install trusted certificates for free.
Ubuntu 14.04 — libgd2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 12 February 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5068-1 Related CVEs: CVE-2017-6363 CVE-2021-38115 CVE-2021-40145 CVE-2018-14553 CVE-2019-11038 CVE-2019-6977 CVE-2019-6978 CVE-2018-1000222 +12 more Upstream summary: It was discovered that GD Graphics Library incorrectly handled certain GD and GD2 files. An […]
SLES 15 — zsh — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 12 February 2021 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2022:0732-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20044 CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2018-1083 CVE-2018-1071 Upstream summary: In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the –no-PRIVILEGED […]
How To Install and Use GoAccess Web Log Analyzer on Ubuntu 20.04
GoAccess is a tool for monitoring web server logs in realtime. In this tutorial, you’ll learn how to install and configure GoAccess for Apache on an Ubuntu 20.04 web server. You’ll access different log files with the program before walking through the modules available to you and how to navigate between them on the command-line interface.
Gentoo Linux — mail-filter/postsrsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-08 Related CVEs: CVE-2020-35573 CVE-2021-35525 Upstream summary: Multiple vulnerabilities have been discovered in PostSRSd. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]
How to Configure Prometheus Node Exporter on RHEL 7
How to Configure Prometheus Node Exporter on RHEL 7 Prometheus Node Exporter is the de facto standard agent for exposing hardware and operating system metrics from Linux servers to a Prometheus monitoring server. It collects data on CPU usage, memory consumption, disk I/O, filesystem space, network traffic, running systemd services, and much more, all via […]
Oracle Linux 8 — freerdp and vinagre security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4647)
🟡 Medium ⏱ 10–30 min Last verified: 11 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4647 Related CVEs: CVE-2020-11085 CVE-2020-11087 CVE-2020-11525 CVE-2020-11039 CVE-2020-11044 CVE-2020-11522 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Ubuntu 14.04 LTS Cron Jobs Not Running at Scheduled Times
🟡 Medium ⏱ 5–30 min Last verified: 11 February 2021 📖 ~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 […]
