App Lifecycle Development on an app platform using Claude Code
Use AI Agents to automate an entire development lifecycle in Claude Code from initial project setup to preparing a production release.
Ubuntu 20.04 — shibboleth-sp — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 September 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4925-1 Related CVEs: CVE-2021-28963 Upstream summary: Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service provider allowed content injection due to allowing attacker-controlled parameters in error or other status […]
Android Spinner using Kotlin
In this tutorial, we'll be discussing and implementing Spinners in our Android Application using Kotlin. [Android Spinner](/community/tutorials/android-spinner-drop-down-list) is used to create a drop-down list on the screen. What will you learn? Creating Spinners through XML and Programmatically Setting a prompt on the Spinner. Creating a custom layout for the Spinner. Handling Click Listeners and Display […]
How to Use Docker Volumes on FreeBSD 13
Introduction Deploying use docker volumes on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]
Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3582)
🟡 Medium ⏱ 10–30 min Last verified: 12 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3582 Related CVEs: CVE-2019-3880 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
AlmaLinux 8 — nfs4-acl-tools — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2019:3664 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Displaying Content Placeholders in Vue.js with vue-content-loader
All fancy modern apps have to load data at some point. Why display a boring loading circle when you could show a content-shaped placeholder instead?
How to Set Up Amanda Backup on FreeBSD 13
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up amanda backup on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]
FreeBSD 13 — py36-pysaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 12 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pysaml2 — multiple vulnerabilities Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: pysaml2 Releases: Fix processing of invalid SAML XML documents – CVE-2021-21238 Fix unspecified xmlsec1 key-type preference – CVE-2021-21239 Table of […]
FreeBSD 13 — py36-buildbot — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 12 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: buildbot — OAuth Authentication Vulnerability Related CVEs: CVE-2019-12300 CVE-2019-7313 Upstream summary: Buildbot accepted user-submitted authorization token from OAuth and used it to authenticate user. The vulnerability can lead to malicious […]
