2020 - Page 680 of 735

The Sigmoid Activation Function - Python Implementation — step-by-step Python tutorial on Progressive Robot

The Sigmoid Activation Function – Python Implementation

URL: https://www.progressiverobot.com/sigmoid-activation-function-python/ In this tutorial, we will learn about the sigmoid activation function. The sigmoid function always returns an output between 0 and 1. After this tutorial you will know: What is an activation function? How to implement the sigmoid function in python? How to plot the sigmoid function in python? Where do we use […]

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Ubuntu 18.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 January 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4853-1 Related CVEs: CVE-2018-4013 CVE-2019-6256 CVE-2019-7314 CVE-2019-9215 Upstream summary: It was discovered that liveMedia incorrectly handled certain network packets. An attacker could possibly use this issue to execute arbitrary code. […]

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Gentoo Linux — sys-apps/ncurses — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/ncurses — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-28 Related CVEs: CVE-2019-17594 CVE-2019-17595 Upstream summary: Multiple vulnerabilities have been discovered in ncurses. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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How to Configure Network Access Protection on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Network Access Protection on Windows Server 2019

Introduction to Network Access Protection Network Access Protection (NAP) is a Windows Server technology that evaluates the health of client computers attempting to connect to the network and restricts access for machines that do not meet defined health requirements. NAP checks conditions such as whether Windows Firewall is enabled, antivirus signatures are up to date, […]

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How To Troubleshoot MySQL Queries — step-by-step Linux tutorial on Progressive Robot

How To Troubleshoot MySQL Queries

Sometimes users run into problems once they begin issuing queries on their data. In some database systems, including MySQL, query statements in must end in a semicolon (;) for the query to complete, as in the following example…

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SLES 15 — suse-hpc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — suse-hpc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1903-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-17234 CVE-2018-17237 CVE-2020-10809 CVE-2018-17233 CVE-2018-17432 CVE-2018-17433 CVE-2018-17436 CVE-2020-10810  +12 more Upstream summary: Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c in the HDF HDF5 through […]

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

FreeBSD 12 — powerdns-recursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: powerdns-recursor — Denial of Service Related CVEs: CVE-2009-4009 CVE-2009-4010 CVE-2015-1868 CVE-2015-5470 CVE-2016-2120 CVE-2016-7068 CVE-2016-7072 CVE-2016-7073  +12 more Upstream summary: PowerDNS Team reports: 2025-07: Internal logic flaw in cache management can […]

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openSUSE Tumbleweed — klogd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — klogd — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:1294-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3634 Upstream summary: rsyslog before 7.6.6 and 8.x before 8.4.1 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash), […]

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How to Install ClickHouse Columnar Database on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install ClickHouse Columnar Database on RHEL 8

ClickHouse is an open-source columnar database management system designed for real-time analytical queries over large datasets. Unlike row-oriented databases such as MySQL or PostgreSQL, ClickHouse stores data by column, allowing it to scan only the columns needed for a query and apply aggressive compression, resulting in query performance orders of magnitude faster for analytical workloads. […]

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