Introduction This tutorial covers How to Install Icinga2 on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]
Docker Engine is the industry-standard container runtime. It lets you build, ship, and run applications in isolated containers, ensuring consistent environments from development through production. This guide installs Docker Engine on Ubuntu 26.04 LTS using the official Docker repository. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with sudo privileges […]
This article will teach you how to render an array in React and the best practices to use when rendering different elements within components.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7034-2 Related CVEs: https://launchpad.net/bugs/2081875 https://launchpad.net/bugs/2020089 https://launchpad.net/bugs/1998785 https://launchpad.net/bugs/1976631 https://launchpad.net/bugs/1944481 https://launchpad.net/bugs/1914064 https://launchpad.net/bugs/1900727 https://launchpad.net/bugs/1881533 Upstream summary: USN-7034-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. […]
URL: https://www.progressiverobot.com/mongodb-tutorial/ Welcome to the MongoDB tutorial index post. MongoDB is one of the most widely used NoSQL database. MongoDB Tutorial MongoDB Tutorial Recently I have written a lot on MongoDB tutorials that includes installation on various Operating Systems and then using some common functions through Mongo Shell and Java Driver. Then we moved into […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4221-1 Related CVEs: CVE-2019-15165 Upstream summary: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of […]
NVM (Node Version Manager) is a shell script that lets you install and switch between multiple Node.js versions on the same machine without requiring root access or affecting system-wide packages. This is invaluable when you work on projects that require different Node.js versions simultaneously, or when you need to test your application against multiple runtimes. […]
This tutorial will show you how to set up a firewall with UFW on Debian 9.
In this the cloud provider article, using Bastille, we are going to enhance the security of our system and greatly power up our knowledge and understanding of Linux system hardening by analyzing what Bastille in essence aims to teach with its thorough guide notes as we analyze various aspects of the process.
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2019:719-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-7409 CVE-2018-7485 CVE-2011-1145 Upstream summary: In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c. Table of contents Symptom & […]
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