How can root login and password authentication for SSH be disabled? Core
The root user is enabled by default on most Linux servers, and hackers frequently attempt to get access to it by guessing its password. As a result, it’s a good idea to turn off the root account. First, make sure you have an admin user account so you can use the sudo special privileges access... Continue Reading 
How do you install Virtualmin on Redhat or CentOS? Core
Virtualmin is a web hosting control panel for Linux and BSD systems that is both powerful and adaptable. Virtualmin is the cost-effective and complete solution to virtual web hosting administration, available in an Open Source community-supported version as well as a more feature-rich version with premium support. To install the control panel, we must first... Continue Reading
How to resolve CentOS 8 / RHEL 8’s ifconfig command not being found? Core
ifconfig is a command-line utility that displays network interfaces associated to Linux Servers as well as network information like IP addresses, netmask, and so on and network interfaces have been assigned to them. It also shows the number of transmitted and received network packets, as well as the number of error and dropped packets. When... Continue Reading
How to Manage Windows Processes with PowerShell? Core
PowerShell is a powerful tool for managing processes on a local or remote computer. You can retrieve a list of running processes with PowerShell, suspend a hung process, find a process by a windows title, run a new process in hidden or interactive mode, and so forth. In Windows 10, you can see a list... Continue Reading
How to Count Number of Files and Subdirectories inside the directory in Linux command line? Core
The simplest way to count number of files & subdirectories in a parent directory using a “tree” command. $ tree -iLf 1 $ tree -iLf 1 /var/log You can use the tree man page for more useful options, configuration files and environment variables to use. At Velan, our server support engineers can help you with... Continue Reading
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