IT, Cloud & DevOps Blog

What is a Balanced Binary Tree and How to Check it? — step-by-step Programming tutorial on Progressive Robot

What is a Balanced Binary Tree and How to Check it?

In case of binary trees, if the trees are skewed, they become computationally inefficient to perform operations on. This is the motivation behind making sure that trees are not skewed. Hence the need for balanced binary trees. What is a Balanced Binary Tree Balanced Binary trees are computationally efficient to perform operations on. A balanced […]

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Windows Server 2019 – SChannel TLS handshake failures after cipher hardening – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 December 2019 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Set Up Remote Desktop Services Collections on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Remote Desktop Services Collections on Windows Server 2019

How to Set Up Remote Desktop Services Collections on Windows Server 2019 Remote Desktop Services Collections are logical groupings of RD Session Host servers in Windows Server 2019 that publish a common set of resources — either full session desktops or RemoteApp programs — to a defined group of users. Collections are managed centrally through […]

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How to Configure WireGuard on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure WireGuard on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure wireguard on ibm aix 7.1 on IBM AIX […]

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FreeBSD 12 — mod_http2-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_http2-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache httpd — denial of service in HTTP/2 Related CVEs: CVE-2016-8740 Upstream summary: mod_http2 reports: The Apache HTTPD web server (from 2.4.17-2.4.23) did not apply limitations on request headers correctly […]

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How to Configure I/O Tuning with ioo on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure I/O Tuning with ioo on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure i/o tuning with ioo on ibm aix 7.1 […]

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FreeBSD 12 — zh-zhcon — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-zhcon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zhcon — unauthorized file access Related CVEs: CVE-2005-0072 Upstream summary: Martin Joey Schulze reports: Erik Sjöund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a […]

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How to Set Up DNSSEC on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up DNSSEC on Windows Server 2019

Introduction to DNSSEC on Windows Server 2019 DNSSEC (Domain Name System Security Extensions) adds cryptographic signatures to DNS records, allowing resolvers to verify that responses are authentic and have not been tampered with in transit. Without DNSSEC, a resolver has no way to distinguish a legitimate DNS response from a forged one injected by a […]

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jQuery AJAX JSP Servlet Java Example — step-by-step Programming tutorial on Progressive Robot

jQuery AJAX JSP Servlet Java Example

URL: https://www.progressiverobot.com/jquery-ajax-jsp-servlet-java-example/ Ajax in Java JSP Servlet based web applications are very common. Recently we have written a lot about jQuery methods and how we can use them. Today we will look into one of the important jQuery functionality where we can easily execute AJAX calls and process the response in a [Java Servlet JSP](/community/tutorials/servlet-jsp-tutorial […]

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