SSH

1. your router: assign a static server ip
2. server: install openssh
   • Ubuntu: sudo apt install openssh
   • Termux: pkg install openssh
3. server: start ssh daemon
   • Ubuntu: sudo systemctl restart ssh
   • Termux: sshd
4. server: verify password auth is on
   • Ubuntu: /etc/ssh/sshd_config

   • Termux $PREFIX/etc/ssh/sshd_config

     PasswordAuthentication yes

5. client: create an ssh key pair
   • ssh-keygen -C "your.email@example.com"
6. client: add server to config

   - ~/.ssh/config

   ```
   host enterprise
       user picard
       hostname 192.168.1.1701
       port 22
   ```
   

   • termux uses port 8022 by default
7. client: copy public key to server
   • ssh-copy-id enterprise
   • enter your password when prompted
8. client: test success
   • ssh enterprise
9. server: disable password auth
   • Ubuntu: /etc/ssh/sshd_config

   • Termux: $PREFIX/etc/ssh/sshd_config

     PasswordAuthentication no

10. server: restart ssh daemon
    • Ubuntu: sudo systemctl restart ssh
    • Termux: pkill sshd && sshd
11. profit

TODO

• fix code block bullet formatting

references: Linuxize and Termux Wiki