USEFUL LINUX COMMANDS

In this blog, you will be able to use some useful Linux Commands that can help in your day to day work

Command Description
hostnamectl Check the Linux version (e.g., on CentOS).
du -h View the overall **Disk Usage** in human-readable format.
du -sh * View the size of directories and files in the **current directory**.
du -chs View the **total size** of a specified folder or file.
df -h Shows the **remaining disk space** and disk usage across all mounted filesystems.
ls List the contents of the current directory (the "list view").
ls -l View the **long list** format of the directory contents, showing permissions, owner, size, and date.
ls -lh View the **long list** format with sizes displayed in **Human Readable** units (e.g., GB, MB).
sudo -i Elevate user privileges to the **root** user with a full environment.
sudo du -h --max-depth=1 -x View what is taking up space in the **server**'s current directory, limited to one level deep.
top Shows the **memory and CPU operations** currently running (processes, memory usage).
free -mh Shows the **memory in use and free** in a human-readable format (MB, GB).
rm -rf dirname **Remove a directory** and all its contents **without prompting** for confirmation.
rm -f filename.extension **Force delete a file** without prompting for confirmation.
sudo passwd root Create or change the password for the **root user**.
sudo systemctl status ssh **Check the Status of the SSH service**.
lsb_release -a Displays **LSB (Linux Standard Base)** and distribution-specific information.
Useful Linux Commands