MBCDN

Dies ist eine alte Version des Dokuments!

SSH (Secure Shell) stellt verschlüsselte Remoteverbindungen her. Port 22 ist für SSH reserviert.

# display ssh banner
vi /etc/banner.txt
 
# execute command remotely
ssh -user host 'hostname; pwd'
 
# execute script remotely
ssh -l user host 'bash -s' < script.sh
 
# copy script to remote machine
scp script.sh root@192.168.0.1:/tmp
 
# Jumphost, connect to 20.30.40.50 and jump to 192.168.0.2
ssh -J user@20.30.40.50 user@192.168.0.2

ssh user@host
 
// Custom Hostkeyalgorythmus, Key Exchange Algorythmus, Cipher
ssh -oHostKeyAlgorithms=+ssh-dss -oKexAlgorithms=+diffie-hellman-group1-sha1 -c aes-256-cbc user@host

Server Keys

ssh-keygen -t ed25519 -C "TestInc"
ssh-copy-id -i ~/.ssh/TestInc.pub user@host
ssh -i ~/.ssh/TestInc user@host
 
ssh -l <user> 1.2.3.4
ssh -p <port> 1.2.3.4

Links