Accelerating Modern App Development Using Managed MongoDB and the cloud provider
How to easily build and scale a dynamic app vertically and horizontally (in just a few clicks, with zero downtime!) using an app platform and Managed MongoDB.
Ubuntu 16.04 DNS resolution intermittently fails
🟡 Medium ⏱ 5–30 min Last verified: 17 July 2019 📖 ~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 & Cross-Refs References & Further […]
Ubuntu 18.04 LTS – UFW blocks required application ports after policy tighten – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 17 July 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]
openSUSE Tumbleweed — radvd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-3602 Upstream summary: Directory traversal vulnerability in device-linux.c in the router advertisement daemon (radvd) before 1.8.2 allows local users to overwrite arbitrary files, and remote […]
FreeBSD 12 — bitlbee — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 17 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: bitlbee — account recreation security issues Related CVEs: CVE-2008-3920 CVE-2008-3969 Upstream summary: Secunia reports: Some security issues have been reported in BitlBee, which can be exploited by malicious people to […]
The rbind() function in R – Binding Rows Made Easy
URL: https://www.progressiverobot.com/rbind-function-r/ The binding or combining of the rows is very easy with the rbind() function in R. rbind() stands for row binding. In simpler terms joining of multiple rows to form a single batch. It may include joining two data frames, vectors, and more. This article will talk about the uses and applications of […]
FreeBSD 12 — dcraw — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 17 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]
A Ruby Syntax Primer
Getting Started With Ruby and a quick syntax reference.
FreeBSD 12 — jruby — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 17 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Multiple implementations — DoS via hash algorithm collision Related CVEs: CVE-2011-4815 CVE-2011-4838 CVE-2011-5036 CVE-2011-5037 Upstream summary: oCERT reports: A variety of programming languages suffer from a denial-of-service (DoS) condition against […]
How to Manage Service Accounts in Active Directory on Windows Server 2016
How to Set Up Windows Server 2016 Service Accounts Service accounts in Windows Server 2016 are special user accounts used by applications and services to authenticate and run system processes. Unlike regular user accounts, service accounts are designed to run background services, scheduled tasks, and application pools with defined, limited privileges. Properly configuring service accounts […]
