Here is the permanent solution. We change umask value of the “sar” logs when it is created by sysstat to change the file permissions at /var/log/sa to be 640. But after updating packages, the umask value reverted to 0022. The executables sa1 and sa2 are called by sysstat-collect.service and sysstat-summary.service. So first, copy these unit …
How to apply specific file permission on file uploaded with Linux SFTP?
The specific file permissions on files uploaded with SFTP can be set using -u(umask) for directory permission and -m for required file permission. If the permission for an uploaded file needs to be 664 and the permission for a directory needs to be 775, then the following example can be considered. Match User ftp_user ChrootDirectory …
How to change default file permissions of /var/log/wtmp?
In CentOS 7.3, permissions of the /var/log/wtmp file is handled by /lib/tmpfiles.d/var.conf, which is executed after every reboot. To change default permissions, change permissions in the following script. # cat /lib/tmpfiles.d/var.conf | grep wtmp f /var/log/wtmp 0664 root utmp - In CentOS 7.0, 7.1, and 7.2, permissions for /var/log/wtmp is managed by file /lib/tmpfiles.d/systemd.conf, which …
SSSD fails to start with error – File ownership and permissions check failed
There may be a file permission issue if you get the following error messages after starting SSSD. # systemctl restart sssd Job for sssd.service failed because the control process exited with error code. See "systemctl status sssd.service" and "journalctl -xe" for details. The error message in /var/log/messages is shown below. sssd[sssd][22160]: SSSD couldn't load the …
How to disable GPU memory notification in CentOS
The notification is part of the housekeeping plugin. The procedures listed below can be used to disable the housekeeping plugin. # mkdir -p ~/.config/autostart# sed 's|[Desktop Entry]|&nHidden=true|' /etc/xdg/autostart/org.gnome.SettingsDaemon.Housekeeping.desktop > ~/.config/autostart/org.gnome.SettingsDaemon.Housekeeping.desktop You will receive the GPU memory notification messages when the server is utilizing high GPU resources. This is normal and the notifications can be disabled …
How to subscribe Red Hat system and install Ansible
In this article, you will know how to subscribe your server to the RedHat portal and install Ansible. You need to register your system by running shown below command. subscription-manager register Username: XXXXXXXXXXXXX Password: XXXXXXXXXXXXX The system has been registered with ID: xxxxxxx-xxxx-xxxx-xxxxxxxxxxxxxxxxxxxx …
Tips and tricks for passing your Red Hat Certified Engineer Exam (RHCE -EX294)
Let’s go ahead with the hints and tips about the exam, You should know when to move on, so don’t put extra time into one task. You will have four managed nodes and the controller node in your exam. So create your practice lab with the same quantity of nodes. All nodes should be set …
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. …
Distributed Training on Multiple GPUs
AI models trained at scale by data scientists or machine learning enthusiasts will inevitably reach a limit. As dataset sizes grow, processing times can increase from minutes to hours to days to weeks. Data scientists use distributed training for machine learning models and multiple GPU to speed up the development of complete AI models in …
Top 10 Deep Learning Frameworks
Deep learning is an area of AI and machine learning that uses unclassified data to classify images, computer vision, natural language processing (NLP), and other complex tasks. A neural network is called “deep” if it has at least three layers (one hidden layer). The network does deep learning on many hidden layers of computation. Whether …
HPC Application Performance of NVIDIA Data Center GPUs
Some of the world’s most pressing scientific and engineering problems can only be solved using modern HPC data centers. Breakthrough performance can be achieved with dramatically fewer servers, less power consumption, and reduced network overhead, resulting in a total cost savings of 5X to 10X with NVIDIA A100, V100 and T4 GPUs. The node replacement …
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 …
What Is HPC (High Performance Computing)?
A single computer can’t handle some of the most complex and time-consuming tasks, like DNA sequencing or seismic analysis. It is possible to create an IT environment specifically designed for these computationally intensive workloads, paving the way for the level of data analysis we have never had before. This article provides an introduction to high-performance …
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 …
