Public Articles
How to Fetch Transceiver Details of All Ports in an InfiniBand QM9700 Switch
Overview On NVIDIA/Mellanox QM9700 InfiniBand switches, you may need to view the transceiver details (e.g., vendor, part number, and serial number) for connected optical modules or cables. This can be useful for troubleshooting, inventory tracking, ...
Viewing and Backing Up Running Configuration from QM9700 IB Switch Web GUI
Purpose This guide outlines the steps to view and back up the running configuration of the QM9700 InfiniBand switch using its Web GUI interface. Prerequisites · Access to the QM9700 IB switch Web GUI (IP address or hostname) · User credentials with ...
Fixing "Cable Data Invalid EEPROM" Error on NVIDIA QM9700 InfiniBand Switch
Issue On NVIDIA QM9700 InfiniBand switches, some ports may appear down and show an error such as: This issue is often caused by outdated CPLD firmware and can be resolved by updating the CPLD version on the switch. Root Cause The EEPROM error is ...
Updating Port Description on Mellanox Switches like QM9700
Objective To update the description for multiple InfiniBand (IB) ports on a Mellanox QM9700 series switch using the web interface. Prerequisites Administrative access to the Mellanox QM9700 switch's web interface. A pre-prepared list of commands with ...
Managing OpenSM within NVIDIA UFM and getting OpenSM Logs from UFM
Overview In NVIDIA UFM (Unified Fabric Manager), OpenSM — the InfiniBand Subnet Manager — is managed internally by UFM rather than as a standalone systemd service. This allows UFM to control the IB fabric, collect telemetry, and maintain HA ...
How to configure NTP Server on Mellanox Infiniband QM9700 Switch
Overview Configuring NTP (Network Time Protocol) ensures that the QM9700 switch maintains accurate system time. This is critical for logging, monitoring, and coordination with other devices in the fabric. Prerequisites Access to the QM9700 switch Web ...
How to Enable Split Port on NVIDIA QM9700 Switch
Overview This guide explains how to enable split ports on the NVIDIA QM9700 InfiniBand switch, using both the Web GUI and CLI methods. Split ports allow a single high-speed port to be divided into multiple lower-speed logical ports, providing greater ...
How to Change Default IB Interface in NVIDIA UFM (e.g., from ib0 to ib1)
By default, NVIDIA UFM binds to the ib0 InfiniBand interface during startup. If ib0 is down or unavailable, UFM will fail to start. In such cases, you may need to change the default interface to ib1 (or any other available IB interface). This article ...
Using dmesg and Kernel Module Checks to Troubleshoot NVIDIA GPU Issues
Overview This article outlines how to use dmesg logs and kernel module commands to diagnose issues where the operating system fails to detect NVIDIA GPUs—even though they appear in the system's BMC (Baseboard Management Controller). When to Use This ...
Setup FTP access to rocky linux 9.5 server using vsftpd
Install vsftpd sudo dnf install vsftpd -y Enable and Start the vsftpd Service sudo systemctl enable vsftpd --now Verify the status: sudo systemctl status vsftpd Adjust Firewall Rules By default, the Rocky Linux firewall blocks FTP traffic. Allow it: ...
Accessing Services Running on a Different Network via Jumphost using SSH Local Port Forwarding
Objective Learn how to access services hosted on a remote network (such as an internal web server or application) from your local machine by leveraging a jumphost (also known as a bastion host) and SSH local port forwarding. What is SSH Local Port ...
Enabling X11 Forwarding on Ubuntu 22.04 to Run qluman-qt from a Head Node
Objective This article provides step-by-step instructions to enable X11 forwarding on a head node running Ubuntu 22.04 server edition and how to access GUI applications like qluman-qt from a login node using SSH with X11 forwarding. Edit SSH Server ...
What is BMC and How to generate BMC Logs
BMC (Baseboard Management Controller) The Baseboard Management Controller (BMC) is a specialized microcontroller embedded on a server’s motherboard that enables remote management and monitoring of the server's hardware, even when the server is ...
OBS Studio Video Recording User Guide
OBS Studio (Open Software) is a tool used for various purposes for video recording and streaming. Installation Steps Download OBS Studio: Visit the OBS Studio download page. Select the version for your operating system (Windows, macOS, or Linux). ...
L40S vs L20 GPUs
How to mark Attendance in Zen HR
We can mark our attendance using ZenHR, either through the browser or the mobile app. Mobile app Download the Mobile App from APP Store Google Play Store : https://play.google.com/store/apps/details?id=com.zenhr Apple Store: ...
Cisco Transceiver compatibility with Mikrotik switches
Question: One of our partners are planning a new project for their end customer. They plan to use Cisco core switches (C9500-48Y4C-A with SFP-10G-SR=) and MikroTik (CRS328-4C-20S-4S+RM with S+85DLC03D) like an aggregation switch to which other ToR ...
PLX Chips
PCI Express Switch (PLX) The heart of the PLX chip is how it manages the data between the CPU and the PCIe slots. It does this through multiplexing, or the art of dealing with multiple signals wanting to travel through one point. We already deal with ...
How to add custom IAM Policies to Users in AWS
Introduction IAM (Identity and Access Management) in AWS (Amazon Web Services) allows you to control access to your resources securely. To manage access permissions effectively, it's crucial to update IAM policies for users as your requirements ...