Quick Tutorial: wget Command in Linux
wget command is basically a Linux utility used to get information and files from the web servers. This computer utility was developed by the GNU project. It extracts information via FTP, SFTP, HTTP, and HTTPS protocols. This Quick Tutorial explains the installation and example usage of wget command in Linux.
wget utility is generally preinstalled on most Linux distributions. To check whether wget is installed on your Linux distribution or not, just type wget on the terminal screen.
If you get the message, "wget: missing URL", that simply means it is preinstalled on your Linux distribution.
But if you get the message, "wget command not found" that means you need to install it on your distro.
On Ubuntu and Debian,
sudo apt install wget
On CentOS and Fedora,
sudo yum install wget
How to use wget command effectively?
wget utility comes with huge options to use this command very effectively. Below is the list of usage examples that can be used against the target.
(1) Basic Example
If you shoot the below command against any website, it will download the home page of that site.
(2) Download specific files from the website
You can also use this command to download files in different formats available on the server/website. You just need to give the URL of that particular file.
(3) To create a mirror image of the website
By using the -m option allows mirroring the site in the directory.
wget -m https://allabouttesting.org
(4) Download the entire site
By using the below command, you can easily download the whole website in one command
wget -r -l 1 -p https://allabouttesting.org
-r : recursive download
-l : recursive depth
-p : for all images
(5) Save the download file with a different name
By using -O option that allows saving of file with a different name
wget -O newtest.zip https://<url>/test.zip
(6) Download multiple files with a single command
You can download multiple files by using -i option
wget -i urllist.txt
(7) Disable certificate check
wget checks certificate whenever retrieves data from the web. Bu using
--no-check-certificate, wget ignore checking of valid certificate.
(8) Download file to the specific directory
By using -P option, you can download file and store in specific directory
wget -P /test https://allabouttesting.org
wget displays a nice manual to refer to by using the below command
This blog provides a guide for installation and also illustrates example usage of wget command. This command is extremely useful and you are able to do most of the tasks just with the command line if you know this utility well.
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Disclaimer: This tutorial is for educational purpose only. Individual is solely responsible for any illegal act.