How To Upgrade Arch from Netcfg to Netctl on a cloud provider VPS
Here’s a quick guide on upgrading Arch from Netcfg to Netctl on your Droplet.
FreeBSD 13 — pavuk — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 8 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Pavuk HTTP Location header overflow Related CVEs: CVE-2004-0456 Upstream summary: When pavuk sends a request to a web server and the server sends back the HTTP status code 305 (Use […]
How to Set Up Work Folders on Windows Server 2016
How to Set Up Work Folders for Data Synchronisation on Windows Server 2016 Work Folders is a role service in Windows Server 2016 that allows users to synchronise work files between their devices and a centralised server, similar in concept to consumer services such as Dropbox or OneDrive, but hosted entirely within your own infrastructure. […]
Debian 11 — znc — multiple vulnerabilities (14 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 8 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-0759 CVE-2009-2658 CVE-2010-2488 CVE-2010-2812 CVE-2010-2934 CVE-2012-0033 CVE-2013-2130 CVE-2014-9403 +6 more Upstream summary: Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify […]
Debian 11 — html5lib — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 8 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2016-9909 CVE-2016-9910 Upstream summary: The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) […]
How To Create a Redundant Storage Pool Using GlusterFS on Ubuntu 20.04
GlusterFS is a network-attached storage filesystem that allows you to pool computing or storage resources of multiple machines. In turn, this lets you treat various computers as a single, more powerful unit. In this guide, you will create a redundant clustered storage array. This will provide functionality similar to a mirrored RAID configuration over the network.
Arch Linux — grub — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202106-43 Related CVEs: CVE-2021-20233 CVE-2021-20225 CVE-2020-27779 CVE-2020-27749 CVE-2020-25647 CVE-2020-25632 CVE-2020-14372 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2:2.04-10. Fixed in: 2:2.06-1. Group: AVG-1629. Table of contents Symptom & Impact […]
Ubuntu 20.04 — linux-gcp-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 8 September 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5050-1 Related CVEs: CVE-2020-26558 CVE-2021-0129 CVE-2021-28691 CVE-2021-3564 CVE-2021-3573 CVE-2021-38208 CVE-2021-23134 CVE-2021-32399 +12 more Upstream summary: It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform […]
Oracle Linux 8 — python3 — vulnerability — patch and remediation guide (ELSA-2021-4057)
🟡 Medium ⏱ 10–30 min Last verified: 8 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4057 Related CVEs: CVE-2021-3733 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
How to Set Up a Bash Profile, .bashrc and Environment Variables on RHEL 8
Every interactive shell session on RHEL 8 is governed by a chain of startup scripts that define environment variables, aliases, functions, and the prompt. Understanding which file is loaded and when prevents confusion around why a variable set in one terminal disappears in another, or why a cron job cannot find a command that works […]