If you SSH to other hosts in VM running under VMware workstation, you may get the following error: packet_write_wait: Connection to x.x.x.x port 22: Broken pipe To resolve this issue use bridged networking instead of NAT in VMware workstation. If you still want to keep NAT networking, add the following to your ~/.ssh/config file: Host …
Author: Albert
Drop in GPU usage for GPU intensive application
To resolve this issue, replace DPMS with HardDPMS in the “OutputClass” section of Xorg configuration file [/etc/X11/xorg.conf.d/] as shown below: option "DPMS" "false" Change above to: Option "HardDPMS" "flase" If no DPMS options are set in [/etc/X11/xorg.conf.d/] file than append this option as follows: Section "OutputClass"Identifier "nvidia"MatchDriver "nvidia-drm"Driver "nvidia"Option "AllowEmptyInitialConfiguration"Option "PrimaryGPU" "yes"Option "SLI" "Auto"Option "BaseMosaic" …
GPU devices have wrong SELinux context after reboot server in CentOS and AlmaLinux
GPU devices show the wrong SELinux context after the server restarts and cannot be used without restoring the context with restorecon. ls -Z /dev/nvi*crw-rw-rw-. root root system_u:object_r:xserver_misc_device_t:s0 /dev/nvidia0crw-rw-rw-. root root system_u:object_r:xserver_misc_device_t:s0 /dev/nvidia1crw-rw-rw-. root root system_u:object_r:device_t:s0 /dev/nvidia2crw-rw-rw-. root root system_u:object_r:device_t:s0 /dev/nvidia3crw-rw-rw-. root root system_u:object_r:device_t:s0 /dev/nvidia4crw-rw-rw-. root root system_u:object_r:device_t:s0 /dev/nvidia5crw-rw-rw-. root root system_u:object_r:device_t:s0 /dev/nvidia6crw-rw-rw-. root root system_u:object_r:device_t:s0 …
External GPU support in CentOS 7
Extrenal GPU can be attached to CentOS 7 system using Thunderbolt. You may require drivers or additional hardware for a particle GPU card or thunderbolt slot.
GPU in VMware hypervisor does not work with PCI passthrough
It is not possible that GPU in your host server will work with the PCI passthrough. Virtual machines will be unable to use hypervisor GPU configured for PCI passthrough. For GPU to work with PCI passthrough, it should be explicitly designed for this purpose, such as AMD MxGPU or NVIDIA Grid devices. The main reason …
What ASPEED GPUs are supported in AlmaLinux 8 and CentOS 8
Following ASPEED GPUs are supported in AlmaLinux 8 based servers. AST2000 AST2100 AST2150 AST2200 AST2300 AST2400 AST2500
How to install the NVIDIA proprietary driver on AlmaLinux and CentOS
Download the latest GPU driver from the NVIDIA driver download page. Make the driver file that you have just downloaded executable by entering the following command. chmod +x /root/NVIDIA-${version}.sh Disable the nouveau module; echo 'blacklist nouveau' >> /etc/modprobe.d/blacklist.conf Install dependencies by replacing the server with GUI to the workstation. dnf groupinstall "Server with GUI" "base-x" …
How to install Nvidia CUDA on AlmaLinux 8 and CentOS
Remove the currently installed driver from your AlmaLinux server if installed using CUDA toolkit runfile. /usr/local/cuda-X.Y/bin/cuda-uninstall If you have used the NVIDIA driver runfile for installation, use the following command for uninstallation. /usr/bin/nvidia-uninstall Add EPEL repository, dnf install epel-release Run the update command to let the system rebuild the repository cache. After updating, you will …
How to restart network in AlmaLinux and CentOS 8
You can restart the network in AlmaLinux 8 by using two methods. The preferred one using nmcli is given below. nmcli networking off && nmcli networking on The second method is to install legacy network services as below. yum install network-scriptsservice network restart Using the second method, you will get the following warning messages in …
How to unmount Network file Server (NFS) mount quickly when the NFS server is offline
The recommended solution is to use soft, timeo (deciseconds), and retrans options. soft option for mount command should be used if client responsiveness is favored over data integrity. Suppose applications utilizing NFS data can handle the IO error produced by soft mount, than it is ok to use. Other options like timeo and retrans options …
How Nullify a log file in Linux
At this point, you already have the file which is causing the problem and you want to nullify it so just do as; #cat <logfile.Name> | gzip -v9 > (logfile).(date-time) # cat lastlog | gzip -v9 > lastlog.300721-0648 #cat /dev/null > lastlog or # cp /var/adm/syslog/syslog.log /var/adm/syslog/syslog.log.bak # gzip /var/adm/syslog/syslog.log.bak # cp /dev/null /var/adm/syslog/syslog.log #cat …
What is Web Host Manager (WHM) & what can you do with it
If you are a website owner or reseller you may have heard of WHM but may not be familiar with its features and how to use it effectively. This post provides an in-depth explanation of WHM’s primary functions and features. What is WHM? The WebHost Manager (WHM) interface has been specially built for hosting providers …
How to reset PTR/rDNS records in cPanel WHM (Web Host Manager)
If issue arises in email delivery about wrong PTR/rDNS record than click the following option in Exim configuration manager. Rebuild Reverse DNS Cache and Update Mail HELO This setting updates the reverse DNS cache and user domains for mail HELO. This setting only appears when you enable the Use the reverse DNS entry for the …
WordPress Security Tips
What is WordPress? WordPress is a free and open-source web creation platform. It is written in PHP and paired with an MYSQL and MariaDB database. It has a template system and a plugin architecture, which is referred to within WordPress themes. WordPress is an excellent website platform for numerous websites. WordPress is a versatile content …
How to configure Cisco ASA 5545-X & Nexus Switch 3064-X
This guide typically sets up Cisco ASA 5545-X and Nexus Switch 3064-X in a data center environment. The data center operator will usually give you a single internet RJ45 cable to connect to your first network device for internet connectivity. As shown in diagram 1, the first network device is ASA 5545-X which is then …