IT, Cloud & DevOps Blog

How To Troubleshoot 'ReferenceError', 'SyntaxError' and 'TypeError' in JavaScript — step-by-step Javascript tutorial on Progressive Robot

How To Troubleshoot ‘ReferenceError’, ‘SyntaxError’ and ‘TypeError’ in JavaScript

JavaScript is a programming language used in frontend and backend development. When working with JavaScript, deciphering error messages can feel a bit daunting. Understanding what an error message is referring to is important when you’re troubleshooting issues within an application. In this tutorial, you’ll learn about three common JavaScript error types that appear in a browser environment: “ReferenceError”, “SyntaxError”, and “TypeError”.

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How To Set Up an NFS Mount on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an NFS Mount on Ubuntu 16.04

NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. This allows you to leverage storage space in a different location and to write to the same space from multiple servers. NFS works well for directories…

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Debian 9 — apache-log4j1.2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — apache-log4j1.2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17571 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Tumbleweed — libmikmod3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmikmod3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:1471-1 (see also SUSE bugzilla) Related CVEs: CVE-2010-2546 CVE-2009-3995 CVE-2009-3996 CVE-2007-6720 Upstream summary: Multiple heap-based buffer overflows in loaders/load_it.c in libmikmod, possibly 3.1.12, might allow remote attackers to execute arbitrary code via […]

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Debian 9 — curl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — curl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000100 CVE-2017-1000257 CVE-2017-8816 CVE-2018-1000007 CVE-2018-1000120 CVE-2018-1000301 CVE-2018-14618 CVE-2018-16839  +2 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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How To Configure Redis Replication on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure Redis Replication on Ubuntu 16.04

Redis is an open-source key-value data store, using an in-memory storage model with optional disk writes for persistence. It features transactions, a pub/sub messaging pattern, and automatic failover among other functionality. Redis has clients written in most languages with…

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