SSH konfigurieren

Datum 16.05.19 Quelle: https://www.thomas-krenn.com/de/wiki/OpenSSH_Public_Key_Authentifizierung_unter_Ubuntu https://www.schlittermann.de/doc/ssh.html ## Key erstellen und einsetzen

ssh-keygen -b 4096

ssh-copy-id -i .ssh/key_rsa.pub userabc@serverip

cat ~/.ssh/id_rsa.pub | ssh -i .ssh/id_rsa_proxmox userabc@serverip 'umask 077; cat >>.ssh/authorized_keys'

ssh -i .ssh/key_rsa userabc@serverip

#sshd_config
 
# custom: allow specifiy user
AllowUsers myusername
 
#deny root login
PermitRootLogin no
 
#deny password login
PasswordAuthentication no
 
#pubkey
PubkeyAuthentication yes
 
#aut trys
MaxAuthTries 3
 
#config testen
sudo /usr/sbin/sshd -t