How To Install MongoDB from the Default APT Repositories on Ubuntu 18.04
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Cómo implementar y administrar su DNS usando DNSControl en Debian 10
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Ubuntu 16.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 16 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5173-2 Related CVEs: CVE-2019-14462 CVE-2019-14463 Upstream summary: USN-5173-1 fixed vulnerabilities in libmodbus. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]
SLES 15 — libcmis — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 16 March 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2019:3313-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-9853 Upstream summary: LibreOffice documents can contain macros. The execution of those macros is controlled by the document security settings, typically execution of macros are […]
Cómo instalar y configurar VNC en Ubuntu 18.04
Virtual Network Computing, o VNC, es un sistema de conexión que le permite usar su teclado y mouse para interactuar con un entorno de escritorio gráfico en un servidor remoto. Hace que administrar archivos, software y ajustes en un servidor remoto sea más fácil para los…
Gentoo Linux — sys-apps/shadow — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202008-09 Related CVEs: CVE-2019-19882 CVE-2013-4235 Upstream summary: When Shadow was installed with the PAM use flag, setuid binaries provided by Shadow were not properly restricted. Table of contents Symptom & Impact Environment […]
How to Create and Manage Swap Space on RHEL 8
Swap space gives the Linux kernel an overflow area on disk when physical RAM is fully utilized, preventing out-of-memory crashes on memory-constrained servers. On RHEL 8, swap can be implemented as a dedicated partition or as a swap file — the latter being more flexible since it can be created, resized, and removed without repartitioning […]
Alpine Linux edge — rpcbind — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.2.4-r0 📖 ~4 min read • Source: Alpine secdb entry — rpcbind 0.2.4-r0 Related CVEs: CVE-2017-8779 Upstream summary: Alpine main repository for vedge ships rpcbind 0.2.4-r0 which addresses CVE-2017-8779. Table of contents Symptom & Impact Environment […]
How to Set Up Two-Factor Authentication with Google Authenticator on Debian 10
Introduction How to Set Up Two-Factor Authentication with Google Authenticator 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 […]
Ubuntu 16.04 — junit4 — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 15 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4731-1 Related CVEs: CVE-2020-15250 Upstream summary: It was discovered that JUnit 4 contains a local information disclosure vulnerability. An attacker could possibly use this issue to obtain sensitive information. Table […]
