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How to Install Lighttpd on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Lighttpd on SLES 12

Introduction This tutorial covers How to Install Lighttpd on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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NumPy Matrix Multiplication — step-by-step Python tutorial on Progressive Robot

NumPy Matrix Multiplication

URL: https://www.progressiverobot.com/numpy-matrix-multiplication/ NumPy matrix multiplication can be done by the following three methods. multiply(): element-wise matrix multiplication. matmul(): matrix product of two arrays. dot(): dot product of two arrays. 1. NumPy Matrix Multiplication Element Wise If you want element-wise matrix multiplication, you can use multiply() function. import numpy as np arr1 = np.array([[1, 2], [3, […]

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FreeBSD 12 — qt4-xml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qt4-xml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qt4-xml — XML Entity Expansion Denial of Service Related CVEs: CVE-2013-4549 Upstream summary: Richard J. Moore reports: QXmlSimpleReader in Qt versions prior to 5.2 supports expansion of internal entities in […]

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openSUSE Tumbleweed — virt-install — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — virt-install — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-10183 Upstream summary: Virt-install(1) utility used to provision new virtual machines has introduced an option '–unattended' to create VMs without user interaction. This option accepts […]

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Como configurar as chaves SSH no Debian 9 — step-by-step Linux tutorial on Progressive Robot

Como configurar as chaves SSH no Debian 9

O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor Debian, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…

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How to Configure a Virtual Host in Apache on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure a Virtual Host in Apache on SLES 15

Introduction This tutorial covers How to Configure a Virtual Host in Apache on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openvpn — Potential authentication by-pass with multiple deferred authentication plug-ins Related CVEs: CVE-2017-12166 CVE-2017-7478 CVE-2017-7479 CVE-2017-7508 CVE-2017-7512 CVE-2017-7520 CVE-2017-7521 CVE-2017-7522  +3 more Upstream summary: David Sommerseth reports: OpenVPN 2.1 until […]

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How To Set Up ProFTPD on CentOS 6 — step-by-step Linux tutorial on Progressive Robot

How To Set Up ProFTPD on CentOS 6

ProFTPD is a popular ftp server. Although it is not the lightest ftp server available for virtual servers, it is a powerful and configurable program. This tutorial explains how to install, configure, and access the ProFTPD server. It is written for Centos 6.

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FreeBSD 12 — cgiwrap — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cgiwrap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cgiwrap — XSS Vulnerability Related CVEs: CVE-2008-2852 Upstream summary: Secunia reports: A vulnerability has been reported in CGIWrap, which can be exploited by malicious people to conduct cross-site scripting attacks. […]

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