The error "Insufficient compute resources: vGPU resource is not accessible" appears when you launch an OpenStack instance with an NVIDIA GRID Virtual GPU attached, as shown below. nova-conductor.log:2022-09-07 20:59:05.993 21 WARNING nova.scheduler.utils [req-a1538494-34e9-4e26-b004-834f5ce49542 98cb30a967c144feba7d98c99fa637db 596a4c7b716046cb8fe6dd0b6b9a9ebc - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exceeded max scheduling attempts 3 for instance f4099be3-698f-4c50-bcb1-8717f1aa1b7b. …
Category: Knowledgebase
Linux, Windows, Virtualization based technical articles, reviews, and How-TOs.
Nvidia to announce next-gen GPU architecture amid RTX 4090 rumors
Nvidia is ready to announce Lovelace, the code name for its next-generation GPU architecture. Ampere is the GPU architecture that powers Nvidia’s RTX 30-series GPUs now. The first RTX cards came out with Turing in 2018, but Ampere is the current one. In September, Nvidia will talk about its Lovelace GPU architecture at GTC 2022. …
What are the most common domain extensions?
Following the global lockdown imposed by COVID-19, websites have become even more critical for businesses and independent contractors. People are now more likely to visit a website than a physical location. Choosing the right domain name for your business, personal blog, or portfolio website is more important than ever. A few things need to be …
The ultimate comparison of Magento and WooCommerce
E-commerce platforms are available on the market if you’re building websites. It’s hard to say. Both Magento and WooCommerce are discussed in this post. There are a number of factors to consider when choosing an eCommerce platform. Among them are: Your spending plan. Whether you need a platform that can handle higher volumes of sales …
Building your online presence with WordPress: A step-by-step guide
Unlike any other platform, WordPress allows you to create the website or blog of your dreams. If you’re a small business owner, this is a good option: Start a business on the internet. Make your company’s name known. Blogging is a great way to share in-depth information. Here are step-by-step instructions on how to get …
How to speed up WordPress website?
Even though your WordPress website looks great and is sure to impress your visitors, there’s one problem — it’s taking too long to load. Is it worth the wait for your visitors to see what you’ve worked so hard on? It’s unlikely. Because WordPress can be sped up, you can get those pages in front …
How to reset GPU’S ON DGX-1 Servers?
NVIDIA provides a tool called nvidia-smi to monitor and manage the system’s GPUs. GPUs can be reset individually or collectively with this tool. Individual GPUs on the DGX-1 and DGX-1V platforms cannot be reset because they are linked via nvlink, so all of the GPUs must be reset at the same time. Errors that occur …
How to Reset a Graphics Card?
If you’re a gamer, your graphics card is an absolute necessity, but it can also be a major source of frustration. Indeed, if your PC crashes while gaming, there’s a good chance your graphics card is to blame. When something goes wrong with your graphics card, it’s almost always a hardware issue. You don’t have …
What is IPMI? A Guide to Intelligent Platform Management Interface
IPMI is a collection of computer interface specifications for managing devices outside of the network. Accessing computer systems out of network means not having to be in the same room as the system’s physical assets. IPMI allows for remote monitoring without the need for permission from the operating system. IPMI is a distinct piece of hardware …
How to set a soft and hard limit for the maximum number of open files for each user in Linux
Follow the steps below to impose a limit on the number of open files for a certain user. Using vi open /etc/security/limits.conf. The syntax in limits.conf is given below. <domain> <type> <item> <value> In the above code, <domain> - may be username/groupname/wildcard('*') <type> - may be hard/soft/'-' hard To enforce strict resource constraints. The superuser …
Error “Too many files open” on CentOS
You may encounter “Too many open files” error during login, and the session is instantly canceled. This error happens when a user or system has more open files than the default setting allows. Use the following command to see how many files can be open at the OS level. # cat /proc/sys/fs/file-max This value shows …
Domain Investor Terms
Shorthand and phrases used by domain investors are frequently unfamiliar to the outsider. For example, a domain investor might say, “I hand-regged a bunch of domains because the drop and the aftermarket are too expensive and full of frontrunners. I parked them to earn PPC.” If you thought that was a lot of nonsense, this …
How to Fix 503 Service Unavailable Error in WordPress?
The web browser sends a request to the web server every time someone visits a website. The server may send a blank page with an HTTP status code instead of responding to the request. This suggests an error. Most websites may encounter issues at some point during their existence. One of the most commonly encountered …
How to reinstall GRUB and GRUB2 on UEFI-based machines?
Note: DO NOT execute grub-install/grub2-install on the boot disk on uefi systems. CentOS Linux 7, 8, 9 The following commands will reinstall all of the files in /boot/efi/EFI/ that are required for uefi booting. # yum reinstall grub2-efi-x64 shim-x64or# rpm -ivh --replacepkgs --replacefiles grub2-efi-x64-<version>.rpm shim-x64-<version>.rpm A new boot entry may need to be added when …
Restrict rsync access over SSH
The rsync package includes a restricted rsync script called rrsync, which is normally located in /usr/share/doc/rsync/support and allows you to restrict rsync. Ensure that the rsync package is installed before looking for the rrsync script. Yum install rsync or, dnf install rsync or you can also confirm rrsync presence by searching rsync files as follows. …