Cómo instalar Jupyter Notebook, ejecutarla y conectarse a ella en un servidor remoto
El autor seleccionó la Apache Software Foundation para que recibiera una donación de $100 como parte del programa Write for DOnations. [Jupyter…
Cómo agregar espacio de intercambio en Ubuntu 18.04
Justin Ellingwood escribió una versión anterior de este tutorial. Una de las formas más fáciles de protegerse contra errores de falta de memoria en aplicaciones es añadir espacio de intercambio a su servidor. En…
How to Install and Configure OpenVPN on RHEL 8
OpenVPN is a mature, battle-tested VPN solution that uses TLS for control-channel encryption and supports both UDP and TCP transports, making it highly adaptable to restrictive network environments. On RHEL 8 it is available from the EPEL repository, and the Easy-RSA toolkit simplifies the PKI management needed to issue server and client certificates. This guide […]
How to Configure HTTP/2 on Nginx on Debian 9
Introduction Deploying configure http/2 on nginx 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 You will […]
openSUSE Tumbleweed — libXtst6 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2063 Upstream summary: Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via […]
openSUSE Tumbleweed — ibus-pinyin — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-4509 Upstream summary: The default configuration of IBUS 1.5.4, and possibly 1.5.2 and earlier, when IBus.InputPurpose.PASSWORD is not set and used with GNOME 3, does […]
How To Set Password Policy on a CentOS 6 VPS
Run through this article to set a password policy on your CentOS 6 VPS.
Oracle Linux 8 — poppler — vulnerability — patch and remediation guide (ELSA-2019-2713)
🟡 Medium ⏱ 10–30 min Last verified: 5 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-2713 Related CVEs: CVE-2018-18897 CVE-2018-20662 CVE-2019-7310 CVE-2019-10871 CVE-2019-12293 CVE-2018-20551 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
How To Install and Configure an SNMP Daemon and Client on Ubuntu 18.04
SNMP stands for simple network management protocol. It is a way that servers can share information about their current state, and also a channel through which an administer can modify pre-defined values. In this guide, you will set up the tools to communicate using SNMP. You will be using two Ubuntu 18.04 servers to demonstrate, one that will contain the SNMP manager (client), and one to hold the SNMP agent (daemon).
Oracle Linux 8 — nginx:1.16 — vulnerability — patch and remediation guide (ELSA-2020-5495)
🟡 Medium ⏱ 10–30 min Last verified: 5 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-5495 Related CVEs: CVE-2019-20372 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
