Creating a Button with Gradient Border in React Native
A quick guide on creating a gradient border button component for your React Native apps using Expo’s LinearGradient.
Using getBoundingClientRect to Get an Element’s Size and Position
getBoundingClientRect is part of the JavaScript DOM API and allows to get various data about the size/position of elements. In this article, you will use getBoundingClientRect to get an element’s size and position.
Ubuntu 14.04 — grub2-signed — multiple vulnerabilities (10 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 18 May 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705 +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]
How To Share Files with FileRun on CentOS 7
FileRun is a PHP file manager and file sharing application that helps you access, organize, view and edit files. You can use it with office documents, photos, music, and any other type of file that you might store on your web server. In this tutorial, we will install FileRun on a CentOS 7 server.
Arch Linux — graphicsmagick — multiple vulnerabilities (14 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201801-7 Related CVEs: CVE-2017-16547 CVE-2017-15930 CVE-2017-14165 CVE-2017-13777 CVE-2017-13776 CVE-2017-13134 CVE-2017-13066 CVE-2017-13065 +6 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.3.26-3. Fixed in: 1.3.27-1. Group: AVG-355. Table of contents […]
How To Create a Self-Signed SSL Certificate for Apache in Debian 10
TLS, or transport layer security, and its predecessor SSL, which stands for secure sockets layer, are web protocols used to wrap normal traffic in a protected, encrypted wrapper. Using this technology, servers can send traffic safely between servers and clients without…
How to Configure Podman Compose on RHEL 8
Podman Compose brings Docker Compose-style multi-container orchestration to Podman without requiring a Docker daemon or root privileges. It reads standard docker-compose.yml files and translates them into podman commands, so existing Compose definitions work without modification. On RHEL 8, Podman is already installed, and Podman Compose can be added from EPEL or via pip. This tutorial […]
How To Centralize Logs With Journald on Ubuntu 20.04
In this guide, you will configure a component of the systemd suite of tools to relay log messages from client systems to a centralized log collection server. You will configure the server and client to use TLS certificates to encrypt the log messages as they are transmitted across insecure networks such as the internet and also to authenticate each other.
Debian 10 – boot is delayed by systemd-networkd-wait-online timeout
🟡 Medium ⏱ 5–30 min Last verified: 17 May 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 & […]
FreeBSD 12 — OpenEXR — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 17 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: OpenEXR — multiple remote code execution and denial of service vulnerabilities Related CVEs: CVE-2017-9110 CVE-2017-9111 CVE-2017-9112 CVE-2017-9113 CVE-2017-9114 CVE-2017-9115 CVE-2017-9116 Upstream summary: Brandon Perry reports: [There] is a zip file […]