IT, Cloud & DevOps Blog

Ubuntu 16.04 — libntlm — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libntlm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5108-2 Related CVEs: CVE-2019-17455 Upstream summary: USN-5108-1 fixed a vulnerability in Libntlm. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

Read more
Securing the Supply Chain for Kubernetes — step-by-step Kubernetes tutorial on Progressive Robot

Securing the Supply Chain for Kubernetes

Most supply chain vulnerabilities can be found in the images that are run on Kubernetes, and being able to secure the supply chain eliminates the biggest attack vector, the applications running in your cluster. In this talk, we will provide an overview of the Kubernetes Security Landscape. Then we will do a deep dive into supply chain security, and do

Read more
How to Configure Scheduled Task-Based Backup Scripts on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Scheduled Task-Based Backup Scripts on Windows Server 2019

Introduction to Scheduled Task-Based Backup Scripts on Windows Server 2019 While enterprise backup solutions like Veeam or Azure Backup provide comprehensive protection, many organizations also use custom PowerShell and batch scripts for targeted, supplemental backups — backing up specific application data, configuration files, database exports, or IIS content on a schedule. Windows Task Scheduler is […]

Read more
SLES 15 — tidy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tidy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:1513-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-5522 CVE-2015-5523 CVE-2016-6583 Upstream summary: Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial […]

Read more
Gentoo Linux — app-text/hunspell — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-text/hunspell — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202409-21 Upstream summary: Malicious input to the hunspell spell checker could result in an application crash or other unspecified behavior. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
How To Set Up a Firewall with UFW on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Firewall with UFW on Ubuntu 14.04

UFW, or Uncomplicated Firewall, is an interface to iptables that is geared towards simplifying the process of configuring a firewall. While iptables is a solid and flexible tool, it can be difficult for beginners to learn how to use it to properly configure a firewall. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you. This tutorial will show you how to set up a firewall with UFW on Ubuntu 14.04.

Read more
How to Fix ‘the uploaded file could not be moved to...’ in WordPress — step-by-step WordPress tutorial on Progressive Robot

How to Fix ‘the uploaded file could not be moved to…’ in WordPress

When uploading new media files to your WordPress installation, you may sometimes encounter an error that can prevent you from writing data to your site, to include uploading images for posts, uploading videos, and more. In this tutorial, we’ll work to troubleshoot one common error message, “the uploaded file could not be moved to”, a result of attempting to upload a file to your /wp-content/uploads folder.

Read more
SLES 12 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2006:027 (see also SUSE bugzilla) Related CVEs: CVE-2006-2607 CVE-2010-0424 CVE-2019-9704 CVE-2019-9705 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow […]

Read more
CHAT