What is the uname command in Linux
The uname command is a Linux command-line tool that is used to retrieve and print the system information, such as the kernel name, release version, processor type, and more. It is a versatile command that can be used for different purposes, including debugging, system administration, and programming.
In Linux, this command is pre-installed and readily available for most distros. It can be accessed...
Quickly Generate Dummy Files Of Different Sizes From Linux Command Line
It can be useful to create sample blank or dummy files of various sizes for testing and other purposes. In Linux, there are different ways to do this from the command line but an easy one for this is to use the fallocate command.
This command simply allocates disk space for files based on the size specified. The common syntax for this is :
fallocate -l filesize filename
The -l parameter is the input...
Quickly Create Multiple Directories And Files With Common Terms Using Linux Command Line
Creating multiple files and directories that have common terms or patterns can be done quickly from the Linux command line. For this, the braces {} are useful.
Multiple directories with common terms:
Example: To create directories named DailyReport2020, WeeklyReport2020, QuarterlyReport2020, MonthlyReport2020 and YearlyReport2020, there is no need to use mkdir command separately for each of them.
Instead,...
How To Use Screen Command In Linux For Managing Remote SSH Sessions
A useful Linux command to run different commands on remote server when logged in via SSH is screen. This command is also very useful when your SSH connection drops and you want to resume from where you left. The screen command as the name suggests creates and manages different screens or terminals (similar to different workspaces but for the command line). You can then run different commands in each...
A Quick Guide To Using DNF For Package Management In Fedora
It is usually much quicker to install, remove or update packages from Linux command line after using it for a while. There will be similar package management features for various distributions regardless of how different the distributions are.
Let’s take a quick look at basic package management commands when using a non Debian distribution like Fedora (which is based on Red Hat).
Just like the...
Quickly Get List Of Logged In Users And Last Boot Time In Linux Mint / Ubuntu
When using Linux Mint / Ubuntu or any *nix based system, it is quicker and actually efficient to get tasks done directly using the Terminal instead of the point and click stuff.
Here is a simple command that will show you who has logged into the current system plus when the system was last booted up in Linux Mint and Ubuntu :
1. Open Terminal and type who -u -b
2. That’s it! This brings up a...
