GnuPG (GPG) is the most common way to encrypt files on Unix-like systems. It is secure, robust, and usually pre-installed. How to do it:
: It is best practice to add this extension so you know it’s encrypted. How to decrypt: gpg -d secure_backup.tar.gz.gpg | tar -xzv ⚡ Method 2: The Fast Alternative (7-Zip) password protect tar.gz file
Protecting sensitive data is a top priority for any Linux or macOS user. While the tar command is excellent for bundling files, it doesn't have a built-in "password" flag. To secure your archives, you need to combine tar with an encryption tool. GnuPG (GPG) is the most common way to
tar -czvf - directory_name | openssl enc -aes-256-cbc -salt -out backup.tar.gz.enc How to decrypt: How to decrypt: gpg -d secure_backup
If you want a single command without piping, 7z (7-Zip) is a powerhouse. It supports high-level AES-256 encryption. How to do it: 7z a -p -mhe=on archive.tar.gz.7z folder_to_zip : Prompts you for a password.
: Remember that tar includes hidden files (starting with . ) by default when you compress a directory.