Uma autoridade de certificação (CA, do inglês Certificate Authority) é uma entidade responsável por emitir certificados digitais para verificar identidades na internet. Embora as CAs públicas sejam uma escolha popular para a…
🟢 Low ⏱ 5–15 min Last verified: 8 July 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5380-1 Related CVEs: CVE-2019-18276 Upstream summary: It was discovered that Bash did not properly drop privileges when the binary had the setuid bit enabled. An attacker could possibly use this […]
A Virtual Private Network (VPN) allows you secure access to a remote server. In short, this allows the end user to mask connections and more securely navigate an untrusted network.
IPython is an interactive command-line interface to Python. Jupyter Notebook offers an interactive web interface to many languages, including IPython. This article will walk you through setting up a server to run Jupyter Notebook as well as teach you how to connect to and use the notebook.
🟢 Low ⏱ 5–15 min Last verified: 8 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4552-3 Related CVEs: CVE-2019-16729 Upstream summary: USN-4552-1 and USN-4552-2 fixed a vulnerability in Pam-python. The update introduced a regression which prevented PAM modules written in Python from importing python modules […]
Nginx is a very secure and reliable web server even with a default setup. However, there are many ways to secure Nginx further.
Introduction How to Install and Configure GraalVM on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]
You can browse the web securely using a Droplet with SSH access as a SOCKS 5 proxy end point. In this tutorial we’ll use a Ubuntu 20.04 Droplet as the proxy, and the Firefox web browser as the client application. By the end of this tutorial you should be able to browse websites securely through an SSH tunnel.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2022:3895-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20378 Upstream summary: ganglia-web (aka Ganglia Web Frontend) through 3.7.5 allows XSS via the header.php ce parameter. Table of contents Symptom & Impact Environment & […]
Here are some tips on how to optimize Nginx with PHP pools on an Ubuntu 13.04 VPS.
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