Skill 4 in course 1.1: Command-Line Foundations

Archives and Remote Login

Pack and compress files with tar, log in to other systems with SSH, and move files between them securely.

Beginner3 lessons15 exercises1 h 50 min
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You will be able to

  • Create, list, extract and verify tar archives, compressed with gzip, bzip2 or xz, and choose the right compressor.
  • Log in to a remote system with ssh, run a single command remotely and understand host key warnings.
  • Copy files and directories securely with scp, sftp and rsync.

Lessons

  1. 01Archives and compression with tarBundle a directory into one file, compress it with gzip, bzip2 or xz, and restore it to the right place.targzipgunzipbzip2bunzip2xz0/5 exercises
  2. 02Logging in to remote systems with SSHOpen a shell or run one command on another machine, and read host key warnings instead of ignoring them.sshssh -pssh user@host cmdssh -v~/.ssh/known_hostsssh-keygen -R0/5 exercises
  3. 03Securely transferring files: scp, sftp and rsyncCopy files and directories between systems over SSH, and know when to choose each tool.scpsftprsyncscp -rscp -Prsync -av0/5 exercises