April 2021 - Page 39 of 62

How to Configure TeamCity Build Agent on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure TeamCity Build Agent on Oracle Linux 8

Introduction How to Configure TeamCity Build Agent on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

Read more
Initial Server Setup with Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Ubuntu 12.04

This tutorial covers how to login with root, how to change the root password, how to create a new user, how to give the new user root privileges, how to change the port, and how to disable root login in. This tutorial is written for Ubuntu. When you first create your server, this tutorial explains the first steps you need to take. This tutorial is written for Ubuntu 12.04.

Read more
How To Install MoinMoin with Nginx on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install MoinMoin with Nginx on Ubuntu 14.04

MoinMoin is a high performance open source Wiki Engine that is written in Python. It provides a feature-rich wiki that has a large community of users, and is very customizable and easy to use. MoinMoin is used by several organizations for their public wikis, such as Ubuntu,…

Read more
Gentoo Linux — games-board/gnuchess — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — games-board/gnuchess — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-28 Related CVEs: CVE-2021-30184 Upstream summary: The cmd_pgnload() and cmd_pgnreplay() functions in cmd.cc in GNU Chess to not sufficiently validate PGN file input, potentially resulting in a buffer overflow. Table of contents […]

Read more
How to Set Up Port Knocking on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Port Knocking on Debian 9

Introduction Deploying set up port knocking on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

Read more
Gentoo Linux — media-gfx/openscad — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-gfx/openscad — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-35 Related CVEs: CVE-2020-28599 Upstream summary: A buffer overflow exists in OpenSCAD when parsing STL files. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

Read more
CHAT