Understanding Recursion & Memoization via JavaScript
Get a grip on some of the most fundamental programming techniques for traversing data and running optimized algorithms: recursion and memoization.
FreeBSD 13 — prozilla — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ProZilla — server response buffer overflow vulnerabilities Related CVEs: CVE-2004-1120 Upstream summary: Buffer overflow vulnerabilities have been reported to exist in this software package. The vulnerabilities can be triggered by […]
FreeBSD 13 — py38-flask-caching — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-flask-caching — remote code execution or local privilege escalation vulnerabilities Related CVEs: CVE-2021-33026 Upstream summary: subnix reports: The Flask-Caching extension through 2.0.2 for Flask relies on Pickle for serialization, which […]
AlmaLinux 8 — pcsc-lite-ccid — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:3049 Upstream summary: PC/SC Lite provides a Windows SCard compatible interface for communicating with smart cards, smart card readers, and other security tokens. Bug Fixes: * Increase global reader array size to […]
How To Set Up vsftpd on CentOS 6
Vsftpd is a fast and secure FTP server. Installing an FTP server can assist you with uploading files to your droplet. This tutorial describes how to install and set up vsftpd on CentOS 6.
How To Install Nginx on Debian 9 (ON-DEBIAN-9)
Nginx is one of the most popular web servers in the world and responsible for hosting some of the largest and highest-traffic sites on the internet. It is more resource-friendly than Apache in most cases and can be used as a web server or reverse proxy.
FreeBSD 13 — avahi-app — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]
Ubuntu 18.04 — storebackup — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4508-1 Related CVEs: CVE-2020-7040 Upstream summary: It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service […]
How to Install and Use tmux on FreeBSD 13
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install and use tmux on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]
How To Install and Configure LXD on Ubuntu 20.04
A Linux container is a grouping of processes that is isolated from the rest of the system through the use of Linux kernel security features, such as namespaces and control groups. LXD lets you create and manage these containers. In this tutorial, you’ll configure LXD and use it to run Nginx in a container. You’ll then route traffic to the container in order to make the web site accessible from the Internet.
