How to Install Jaeger for Distributed Tracing on RHEL 7 As systems evolve from monoliths to microservices, understanding the path of a single request across dozens of services becomes increasingly difficult using traditional logs and metrics alone. Jaeger is an open-source distributed tracing platform originally developed by Uber Technologies and now hosted by the Cloud […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202007-42 Related CVEs: CVE-2016-1925 Upstream summary: A buffer overflow in LHa’s compression code was discovered which can be triggered by a crafted input file. Table of contents Symptom & Impact Environment & […]
🟡 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-2018-11627 Upstream summary: Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception. Table of contents Symptom […]
SSL certificates are used within web servers to encrypt the traffic between server and client, providing extra security for users accessing your application. Let’s Encrypt provides an easy way to obtain and install trusted certificates for free.
In this tutorial, you’ll secure an existing basic Roundcube installation by adding SSL to Apache with Let’s Encrypt, adding two-factor authentication to your Roundcube account with a Roundcube plugin, and using GPG to sign and encrypt email with the Enigma plugin.
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx as a tcp/udp load balancer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]
In this tutorial, we will go over how to use tinc to create a secure VPN on which your servers can communicate as if they were on a local network. We will also demonstrate how to use tinc to set up a secure tunnel into a private network.
🟡 Medium ⏱ 10–30 min Last verified: 10 January 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2012:0869-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-2417 CVE-2013-1445 CVE-2013-7459 Upstream summary: PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces […]
This article goes over how to install Opigno on Debian 7 with Git and Drush.
🟡 Medium ⏱ 5–30 min Last verified: 9 January 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 […]
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