April 2020 - Page 2 of 66

How To Use subprocess to Run External Programs in Python 3 — step-by-step Python tutorial on Progressive Robot

How To Use subprocess to Run External Programs in Python 3

Python 3’s subprocess module can be used to run external programs and read their outputs in your Python code. subprocess includes several classes and functions, but in this tutorial we’ll cover one of subprocess’s most useful functions: subprocess.run. We’ll review its different uses and main keyword arguments.

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How To Set Up vsftpd for a User's Directory on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up vsftpd for a User’s Directory on Ubuntu 20.04

FTP, which is short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. vsftpd, very secure FTP daemon, is an FTP server for many Unix-like systems, including Linux. In this tutorial, you’ll configure vsftpd to allow a user to upload files to their home directory using FTP with login credentials secured by SSL/TLS. You’ll also connect your server using FileZilla, an open-source FTP client, to test the TLS encryption.

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How to Configure MySQL Binary Log on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure MySQL Binary Log on Debian 10

Introduction How to Configure MySQL Binary Log on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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FreeBSD 12 — linux-opera — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-opera — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: opera — moderately severe issue Related CVEs: CVE-2004-0411 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-1156 CVE-2004-1157 CVE-2004-1158 CVE-2004-1160  +12 more Upstream summary: Opera reports: Fixed a moderately severe issue, as reported by Attila […]

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FreeBSD 12 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: NSS — Memory corruption Related CVEs: CVE-2009-3555 CVE-2010-0173 CVE-2010-0174 CVE-2010-0175 CVE-2010-0176 CVE-2010-0177 CVE-2010-0178 CVE-2010-0179  +12 more Upstream summary: The Mozilla project reports: Memory corruption in NSS via DER-encoded DSA and […]

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Debian 10 — djvulibre — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — djvulibre — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15142 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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How To Configure Varnish for Drupal with Apache on Debian and Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Configure Varnish for Drupal with Apache on Debian and Ubuntu

In this the cloud provider article, as a part of a series to help developers with scaling, we will be talking about configuring Varnish with Drupal. This will greatly reduce the amount of time it takes users to load your Drupal based website, and increase the simultaneous serving capacity of your the cloud provider VPS by passing requests through the Varnish Cache software first.

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