July 2020 - Page 51 of 69

Ubuntu 14.04 — salt — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — salt — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8153-1 Related CVEs: CVE-2016-3176 CVE-2015-8034 CVE-2020-16846 CVE-2020-11651 CVE-2020-11652 CVE-2014-3563 CVE-2015-6918 CVE-2015-6941  +5 more Upstream summary: Zach Malone discovered that Salt did not properly handle permissions to cache data. A local […]

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Creating a Laravel API — step-by-step DevOps tutorial on Progressive Robot

Creating a Laravel API

APIs make the web go round. Let’s create one from scratch using the popular PHP framework, Laravel. See the main tools required to create Laravel projects and the fastest, most efficient way to create a Laravel API.

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Common Problems 121551

Debian 9 – sudo Stops Working Due to Broken Permissions – Emergency Repair

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 9 📖 ~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 & […]

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Common Problems 119044

Ubuntu 14.04 LTS Swap Exhaustion Causes OOM Kills

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 […]

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Pandas Rename Column and Index — step-by-step Python tutorial on Progressive Robot

Pandas Rename Column and Index

URL: https://www.progressiverobot.com/pandas-rename-column-index/ Sometimes we want to rename columns and indexes in the Pandas DataFrame object. We can use pandas DataFrame rename() function to rename columns and indexes. It supports the following parameters. mapper: dictionary or a function to apply on the columns and indexes. The 'axis' parameter determines the target axis – columns or indexes. […]

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