🟠 High ⏱ 5–30 min Last verified: 21 November 2019 Affected versions: Windows Server 2016 📖 ~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 […]
Packets are the basic units of data transmitted through a TCP/IP network. Originally conceived as a way to transmit data without a pre-established connection, packets make dynamic data transference possible. Packet data fall into two categories: control information (source and destination network…
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up fail2ban on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]
How to Configure Windows Server 2016 Remote Desktop Connection Broker Remote Desktop Connection Broker (RD Connection Broker) is the intelligence layer in a Windows Server 2016 Remote Desktop Services deployment. It manages session reconnection, load balancing across multiple RD Session Host servers, and publishing of RemoteApp programs and virtual desktops from a centralised collection. Without […]
How to Enable HTTP/2 with Nginx on RHEL 7 HTTP/2 is the major revision of the HTTP network protocol that brings multiplexed streams, header compression, and server push to web traffic. Compared to HTTP/1.1, HTTP/2 dramatically reduces page load times on sites with many assets by eliminating head-of-line blocking and reducing the overhead of repeated […]
Introduction How to Configure RAID with mdadm on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]
🟡 Medium ⏱ 5–30 min Last verified: 19 November 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 & Cross-Refs References & Further […]
How to Install Zabbix Agent on Windows Server 2016 Zabbix is a powerful open-source monitoring platform capable of collecting metrics from network devices, Linux and Windows servers, cloud instances, and applications. The Zabbix Agent runs on monitored hosts and reports data back to the Zabbix Server or Proxy. On Windows Server 2016, the Zabbix Agent […]
How to Configure syslog-ng for Centralised Syslog on RHEL 7 Every Linux system generates a continuous stream of log data from the kernel, system services, and applications. On a single host, rsyslog handles this adequately, but when you need to aggregate logs from dozens or hundreds of servers into a central repository, filter them intelligently, […]
WireGuard is a modern, high-performance VPN protocol built into the Linux kernel since version 5.6, offering significantly simpler configuration and better performance than older alternatives like OpenVPN or IPsec. On RHEL 8, WireGuard can be installed via the ELRepo kernel module or the wireguard-tools package from EPEL, with the kernel module provided by the elrepo-kernel […]
