November 2019 - Page 41 of 66

How to Configure Network Load Balancing on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Network Load Balancing on Windows Server 2016

How to Configure Windows Server 2016 Network Load Balancing Network Load Balancing (NLB) in Windows Server 2016 distributes incoming network traffic across multiple servers in a cluster, improving availability and scalability for TCP/IP-based services such as web servers, Terminal Services, and VPNs. Unlike Failover Clustering which targets stateful applications, NLB is ideal for stateless services […]

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FreeBSD 12 — ru-bugzilla — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ru-bugzilla — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bugzilla — multiple vulnerabilities Related CVEs: CVE-2013-0785 CVE-2013-0786 Upstream summary: A Bugzilla Security Advisory reports: Cross-Site Scripting When viewing a single bug report, which is the default, the bug ID […]

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How to implement the SQL INSTR() function? — step-by-step DevOps tutorial on Progressive Robot

How to implement the SQL INSTR() function?

URL: https://www.progressiverobot.com/sql-instr-function/ Hey, folks! In this article, we will be understanding SQL INSTR() function in detail. Working of SQL INSTR() SQL, being a query language, contains various in-built functions to deal with the String data values of the database. One such interesting function is SQL INSTR() function. SQL INSTR() function detects the first occurrence of […]

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Servlet Upload File and Download File Example — step-by-step Programming tutorial on Progressive Robot

Servlet Upload File and Download File Example

URL: https://www.progressiverobot.com/servlet-upload-file-download-example/ Servlet Upload File and Download File is a common task in [java web application](/community/tutorials/java-web-application-tutorial-for-beginners "Java Web Application Tutorial for Beginners"). Since I have written a lot about [java servlet](/community/tutorials/servlet-jsp-tutorial "Java Servlet Tutorial with Examples for Beginners") recently, I thought to provide a sample example of servlet file upload to server and then download […]

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FreeBSD 12 — netqmail-mysql — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — netqmail-mysql — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qmail — 64 bit integer overflows with possible remote code execution on large SMTP requests Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 Upstream summary: Georgi Guninski writes: There are several issues with […]

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How to Configure Windows Server 2019 Scheduled Tasks — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Scheduled Tasks

How to Configure Windows Server 2019 Scheduled Tasks Scheduled Tasks in Windows Server 2019 allow administrators to automate scripts, programs, and maintenance operations at specified times or in response to system events. The Windows Task Scheduler service manages task execution, supports complex trigger conditions, handles security contexts for running tasks, and provides logging of task […]

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How To Set Up a Basic Iptables Firewall on Centos 6 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Basic Iptables Firewall on Centos 6

This article will show how to create a simple firewall on a Centos VPS. It will only open up ports that we want and close up other services. We’ll also demonstrate how to prevent simpler attacks, and how to let yourself back in to the VPS if you deny access to yourself by accident.

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SLES 15 — yast2-multipath — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — yast2-multipath — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3231-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-17955 Upstream summary: In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection Table of […]

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How to Manage Logs with Graylog 2 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Manage Logs with Graylog 2 on Ubuntu 16.04

Graylog is a powerful open source log management platform. It aggregates and extracts important data from server logs, which are often sent using the syslog protocol. It also allows you to search and visualize the logs in a web interface. In this…

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