Introduction to Interfaces in TypeScript
Learn how to declare interfaces in TypeScript and create customized type checking.
How to Configure Nginx Rate Limiting on FreeBSD 13
Introduction Deploying configure nginx rate limiting on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]
AlmaLinux 8 — libtar — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2023:2898 Related CVEs: CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646 Upstream summary: The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of […]
Debian 11 — x11-xserver-utils — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from […]
FreeBSD 13 — sql-ledger — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 13 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: sql-ledger — security bypass vulnerability Related CVEs: CVE-2006-4244 CVE-2006-4731 CVE-2006-5872 Upstream summary: Chris Travers reports: George Theall of Tenable Security notified the LedgerSMB core team today of an authentication bypass […]
Alpine Linux edge — gsoap — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.8.113-r0 📖 ~4 min read • Source: Alpine secdb entry — gsoap 2.8.113-r0 Related CVEs: CVE-2021-21783 Upstream summary: Alpine community repository for vedge ships gsoap 2.8.113-r0 which addresses CVE-2021-21783. Table of contents Symptom & Impact Environment […]
How to Set Up a Jekyll Development Site on Ubuntu 16.04
Jekyll is a static-site generator that provides some of the benefits of a Content Management System (CMS) while avoiding the performance and security issues introduced by such database-driven sites. In this tutorial, we will install a Jekyll 3.7.3 development site on Ubuntu 16.04. In later tutorials, we’ll explore the content generated here, publish a static site to the same server, and eventually deploy to a production location.
FreeBSD 12 — libmysofa — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 December 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libmysoft — Heap-based buffer overflow vulnerability Related CVEs: CVE-2021-3756 Upstream summary: Zhengjie Du reports: There are some heap-buffer-overflows in mysofa2json of libmysofa. They are in function loudness, mysofa_check and readOHDRHeaderMessageDataLayout. […]
Debian 11 — lua5.4 — multiple vulnerabilities (13 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 13 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-15888 CVE-2020-15889 CVE-2020-15945 CVE-2020-24342 CVE-2020-24369 CVE-2020-24370 CVE-2020-24371 CVE-2021-43519 +5 more Upstream summary: Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based […]
Debian 11 — prosody — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 13 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2011-2205 CVE-2011-2531 CVE-2011-2532 CVE-2014-2744 CVE-2014-2745 CVE-2016-0756 CVE-2016-1231 CVE-2016-1232 +12 more Upstream summary: Prosody before 0.8.1 does not properly detect recursion during entity expansion, which allows remote attackers to […]
