Initial

docs/progs/ssh.md

@@ -0,0 +1,17 @@
+# SSH
+
+## Generate public key from private
+```
+ssh-keygen -f id_rsa -y > id_rsa.pub
+```
+
+## Port forwarding
+```bash
+# forward : 172.16.0.1:80 -> 172.16.0.2 -> 127.0.0.1:4080
+ssh -f -N -L 4080:172.16.0.1:80 172.16.0.2
+```
+
+## Allow old algorithm
+```bash
+ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oHostKeyAlgorithms=+ssh-dss 172.16.0.1
+```