🔴 Critical ⏱ 5–30 min Last verified: 8 July 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
🟡 Medium ⏱ 5–30 min Last verified: 8 July 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202007-21 Related CVEs: CVE-2020-1763 Upstream summary: As a result of a bug in handling certain bogus encrypted IKEv1, while building a log message that the packet has been dropped, a NULL pointer […]
As you administer servers, you will begin to spend a lot of time on the command line. Most likely, you will be using the bash shell. The bash shell includes a lot of commands and expansion capabilities to take advantage of the input you have typed in the past. In this guide, we will explore how to leverage these feature to better utilize the power of the bash shell.
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.
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