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--- cluster:cluster [2023-12-31 14:47] – [Tools] Markus Rosenstihl
+++ cluster:cluster [2024-10-08 11:54] (current) – [AG Vogel] Markus Rosenstihl
@@ Line 317: / Line 317: @@
 ===== AG Liebchen =====
 ===== AG Vogel =====
+The head node protein does not allow password logins, you need to use ssh keys.
+  - create a key: ''ssh-keygen -t ed25519''
+  - We admins stronlgy recommend to use a very strong passphrase. Together with ssh-agent you have to type it only once per login to your desktop!
+  - add the public part to the authorized_keys file and set correct premissions: ''cat .ssh/id_ed25519.pub | tee -a .ssh/authorized_keys && chmod 0600 .ssh/authorized_keys''
+  - now login to protein.cluster, it may ask for the passphrase.
+===== SSH Agent =====
+The ''ssh-agent'' should be startet automatically on login, Cinnamon for example will show a screen upon login to the desktop. If not you need to set the **GNOME Keyring SSH Agent** to start automatically:
+{{:cluster:startup_apps_cinnamon.png?600 |}}