How to Generate md5 checksum for all Files in a Directory

Above command will generate md5 checksum for all files in current directory and its sub-directory and store it in /tmp/www-md5.list file.

Generate md5

If we want to generate md5sum of all files in our home directory and its sub-directory. Use the following command.

find /var/www -type f -exec md5sum {} \; > /tmp/www-md5.list

If we want to generate md5sum for specific files for example all php and JavaScript files under public_html directory use following command.

find ~/public_html/ -name "*.php" -exec md5sum {} \; > ~/usermd5.list
find ~/public_html/ -name "*.js" -exec md5sum {} \; >> ~/usermd5.list

Verify md5

Now verify all files using generated md5sum file using the following command. This command will show output as OK or FAILED.

md5sum -c /tmp/www-md5.list