Serving web traffic over HTTPS requires a valid TLS certificate and a correctly configured web server. On RHEL 8, the openssl tool is available out of the box and lets you generate RSA keys, create certificate signing requests, and issue self-signed certificates entirely from the command line. Self-signed certificates are ideal for internal services, staging […]
Accurate timekeeping has become a critical component of modern software deployments. Debian 10 has time synchronization built in and activated by default using the standard ntpd time server, provided by the `ntp` package. In this article we will look at some basic time-related commands, verify that ntpd is active and connected to peers, and learn how to activate the alternate systemd-timesyncd network time service.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:14715-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-14461 CVE-2019-11500 CVE-2019-3814 CVE-2020-10957 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2020-24386 +12 more Upstream summary: A specially crafted email delivered over SMTP and passed on to Dovecot by […]
Melissa Anderson escribió una versión anterior de este tutorial. MongoDB, también conocido como Mongo, es una base de datos de documentos de código abierto que se utiliza en…
🟡 Medium ⏱ 10–30 min Last verified: 20 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-0889 Related CVEs: CVE-2019-19203 CVE-2019-13224 CVE-2019-16163 CVE-2019-19204 CVE-2019-19012 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
Run an IRC chat server with UnrealIRCd on Debian 7.
This tutorial will show you how to set up Bacula to create backups of a remote CentOS 7 host over a network connection. This involves installing and configuring the Bacula Client software on a remote host and making some additions to the configuration of an existing Bacula Server.
🟠 High ⏱ 5–30 min Last verified: 19 July 2020 Affected versions: Debian 10 📖 ~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 & […]
🟢 Low ⏱ 5–15 min Last verified: 19 July 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4553-1 Related CVEs: CVE-2020-12066 Upstream summary: It was discovered that Teeworlds server did not properly handler certain network traffic. A remote, unauthenticated attacker could use this vulnerability to cause Teeworlds […]
🟠 High ⏱ 15–60 min Last verified: 19 July 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2021:233-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 CVE-2020-17438 Upstream summary: An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component […]
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