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 …
Category: Knowledgebase
Linux, Windows, Virtualization based technical articles, reviews, and How-TOs.
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 …
How to find the biggest files in filesystem – Linux, UNIX, HP-UX
Disk space issues are the most common problems raise in the day-to-day life of Linux system admin. So in this article, you can find out the commands to find out the largest files in your file system which are causing problems for the filesystem. Find for Large Files under Specific Mountpoint find /var -xdev -type …
Linux Interview Questions From Real Interviewer
Before we start a technical side, I think the first step to winning an interview is to go through with few things that will help you succeed. Analyzing The Position It would be best if you began with a systematic review of the job description. Your objective is to collect as much information as possible …
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 …
PHP Vs Python – Comparison between both Languages
Scripting Languages Scripting languages are becoming progressively popular in web application programming in the last few years. Now in this article trying to compare popular languages nowadays: PHP and Python. The languages will be compared regarding history, evolution, popularity, syntax, features, security, and enactment in web application locations. A final thought will Conclude and recommends …
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 …
How to repair filesystem in rescue environment CentOS 8 & CentOS 7?
Your Linux server may not load after boot and requests fsck of the root filesystem. If this happens server filesystem goes into read-only mode. When prompted for language, and keyboard, provide the pertinent information for the system. Boot your server from CentOS ISO image and select rescue mode at the boot command prompt. When prompted …
How to reset the root password on redhat and AlmaLinux 8
So you end up here because you have lost your root password. On Red Hat Enterprise Linux 8, it is possible to have the scripts that run from the initramfs pause at certain points, provide a root shell, and then continue when that shell exits. This is mostly meant for debugging, but you can also …
What is VPS Hosting with dedicated GPU?
A VPS is a complete server with its own operating system and virtual hardware built on top of physical server hardware. A Linux or Windows-based operating system known as a hypervisor is used to build virtual servers, datastores, virtual switches, virtual routers, virtual CPUs, and RAM. Some leading hypervisors are VMware, Citrix Xenserver, and KVM. …
How To Monitor VMware environment with Grafana
This step-by-step guide uses the Official telegraph vSphere plugin to pull metrics from vCenter. We will pull metrics such as compute, network and storage resources. Before starting with this guide, I assume you have a freshly installed operating system, ubuntu 20. so let’s begin our work. Install Grafana on Ubuntu This tutorial tested on freshly …
