Differences

This shows you the differences between two versions of the page.

--- clients:secure_shell [2016/09/24 20:29] – Sean Rhone
+++ clients:secure_shell [2021/09/30 23:20] (current) – Sean Rhone
@@ Line 1: / Line 1: @@
 ====== Information ======
-  * Various commands for a SSH client
+  * OpenSSH client notes
+  * See [[servers:secure_shell|OpenSSH Server]] notes for servers
 ====== Generate SSH Keys ======
-****
+===== Information =====
-  ssh-keygen -o -a '100' -t 'ed25519'
+  * Can generate both a standard keypair and one for a hardware key
+  * Hardware key will be used first if it's plugged-in
+===== Standard =====
+  * [[https://wiki.archlinux.org/index.php/SSH_keys#Ed25519|ArchWiki]]
+  ssh-keygen -t 'ed25519'
+===== FIDO/U2F Key =====
+  * [[https://wiki.archlinux.org/index.php/YubiKey#OpenSSH|ArchWiki]]
+  * Works with [[https://solokeys.com/|Solo]]
+  * :!: ''ed25519-sk'' didn't work with Solo 4.0.0
+  ssh-keygen -t 'ecdsa-sk'
+====== Send Public Key to Server ======
+  * Change ''x'' to IP
+  ssh-copy-id 'espionage724'@'x'
+====== Force Public Key Login ======
+  * [[https://wiki.archlinux.org/title/OpenSSH#Force_public_key_authentication|ArchWiki]]
+  sudo -e '/etc/ssh/sshd_config.d/pubkey-only-custom.conf'
+<code>
+PasswordAuthentication no
+AuthenticationMethods publickey</code>
 ====== Manage Keys ======
@@ Line 15: / Line 47: @@
 ****
-  cd ~ && tar -cvzf ~/'Documents/'$HOSTNAME'-ssh-keys.tar.gz' '.ssh' && sync
+  tar -cvzf ~/'Documents/'$(date +%Y-%m-%d)'-ssh-keys.tar.gz' -C ~ '.ssh' && ls ~/'Documents/'*'-ssh-keys.tar.gz' && sync
 ===== Restore =====
@@ Line 21: / Line 53: @@
 ****
-  cd ~ && rm -rf ~/'.ssh' && tar -xvzf ~/'Documents/'$HOSTNAME'-ssh-keys.tar.gz' '.ssh' && rm ~/'Documents/'$HOSTNAME'-ssh-keys.tar.gz' && sync
+  ls ~/'Documents/'*'-ssh-keys.tar.gz' && rm -Rf ~/'.ssh' && tar -xvzf ~/'Documents/'*'-ssh-keys.tar.gz' -C ~ '.ssh' && sync
-====== Send Public Key to Server ======
-  ssh-copy-id 'espionage724@192.168.1.152'