View the last few (10, by default) lines of a fileĬreate a new file or update the timestamp of an existing file Check out our Unix commands cheat sheet and Linux command line cheat sheet for other file management commands applicable to SSH. The operating systems of SSH servers are mostly Unix/Linux, so once you’ve logged in to a server via SSH, the following commands are largely the same as their counterparts in Unix/Linux. Ssh-copy-id -i ~/.ssh/id_rsa.pub a specific key to a server as a user Ssh-copy-id SSH keys to a server as a userĬopy to some alias server server1 with the default login List the public key parameters of all saved identitiesĬopy, install, and configure SSH keys on a remote server Set up a maximum lifetime for identities/private keys. List your private keys cached by ssh-agent Set up a maximum lifetime for identities/private keys, overwritable by the same setting in ssh-add. Valid fingerprint_hash options are sha256 (default) and md5. Specify the hash algorithm used when displaying key fingerprints. Hold private SSH keys used for public key authentication (RSA, DSA, ECDSA, Ed25519) View your SSH client authorized login keys View your SSH client public key type is any of rsa, ed25519, dsa, ecdsa. View your SSH client private key type is any of rsa, ed25519, dsa, ecdsa. View your SSH client user-specific configuration file View your OpenSSH server system-wide configuration file the “d” stands for the server “daemon” View your OpenSSH client system-wide configuration file This manual lists all the OpenSSH parameters you can change. Open OpenSSH SSH client configuration files. Have you ever wondered how SSH remembers your login credentials for various machines? This section is a brief reference on how to do so. SFTP doesn’t follow symbolic links encountered in the tree traversal. Recursively copy entire directories when uploading and downloading. Option for batch mode and prevent you from entering passwords or passphrases Option to connect to remote host port 8080 Option to preserve the last modification timestamps of the transferred files t: Type of key ( rsa, ed25519, dsa, ecdsa)Ĭopy from remote to local destination dest/Ĭopies from a server folder to the current folder on the local machineĬopy the entire folder to the local destination dest/Ĭopy all files from a folder to the local destination dest/ Ssh-keygen -t rsa -b 4096 -C an RSA 4096-bit key with “ as a comment: Ssh-keygen -y -f private.key > public.pubĬhange the comment of the key file ~/.ssh/id_rsaĬhange passphrase of private key ~/.ssh/id_rsa Remove some IP address or hostname from ~/.ssh/known_hosts (logged-in host) Search for some IP address or hostname from ~/.ssh/known_hosts (logged-in host) Ssh -i /path/file.pem to via the key file /path/file.pem as user adminĮxecute remote command ls -l on 192.168.2.2 as user rootĬompress the ~/ffmpeg directory and download it from a server Best.local as user friend Ssh to the device raspberry on the default SSH port 22 as user piĬonnect to the device raspberry on a specific port 3344 as user pi The following are fundamental SSH commands. An advanced SSH functionality is the creation of secure tunnels to run other application protocols remotely. SSH lets you securely manage remote systems and applications, such as logging in to another computer over a network, executing commands, and moving files from one computer to another. Your applications may listen for SSH connections on other ports. It’s an SSH-secured version of FTP (File Transfer Protocol), and it has replaced FTP and FTPS (FTP Secure) as the preferred mechanism for file sharing over the Internet.Īn SSH server, by default, listens for connections on the standard Transmission Control Protocol (TCP) port 22.
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