From 9d0b43c288854c9b46e705d58f8ef7acf7fdd629 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Mon, 1 Jul 2019 22:59:14 -0700
Subject: finish device setup

---
 device_setup.md | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/device_setup.md b/device_setup.md
index 8ccb9e3..00d5101 100644
--- a/device_setup.md
+++ b/device_setup.md
@@ -1,10 +1,14 @@
 
 Hardware:
 - Intel NUC
+- CPU: i5-5250U
+- RAM: 4 GByte
 - 500 GByte SSD (overkill, but was what we had)
 
 OS: Ubuntu 16.04 "xenial" (as per EOTK supported)
 
+## OS Install
+
 Download an Ubuntu 16.04 server .iso file, verify checksup, and `dd` it to a USB thumbdrive.
 
 Power on the Intel NUC with keyboard and monitor attached, hold F10 to get boot
@@ -37,9 +41,53 @@ Reboot, pull USB drive, login as eotk.
 
     sudo apt install git
 
+    cd ~
+    git clone https://git.bnewbold.net/ia-onion-service
+    cd ia-onion-service
+
+    # you can cut this line out into a shell script or something instead of
+    # re-typing
     sudo apt install build-essential cowsay manpages-dev apt-transport-https
         curl git htop iftop iotop iputils-ping less molly-guard mtr-tiny netbase
         net-tools openssh-server screen sudo tcpdump tree unattended-upgrades
         util-linux vim-nox wget ntp fail2ban rkhunter debsums whois lynis
+        etckeeper
+
+    # whoops, that seemed to install postfix! don't want that!
+    sudo apt remove postfix
+
+Ok, some crude security lock-down...
+
+edit `/etc/ssh/sshd_config`:
+
+    # only these two of the keys
+    HostKey /etc/ssh/ssh_host_rsa_key
+    HostKey /etc/ssh/ssh_host_ed25519_key
+
+    PermitRootLogin no
+
+    # hard to disable until keys on the device
+    #PasswordAuthentication yes
+
+    X11Forwarding no
+
+    # disable sftp
+    #Subsystem ...
+
+Then `sudo service ssh restart`.
+
+For passwordless sudo:
+
+    sudo visudo
+    # on '%sudo' line, replace the last "ALL" with "NOPASSWD: ALL"
+
+Ok, ready for SSH login. Look up IP with `ip addr` and login with password as
+`eotk`.
+
+Change password with `passwd`. On laptop, run `ssh-copy-id` (and enter new
+passwd) to install your personal SSH key in `authorized_keys2`.
 
+TODO: should probably just disable password login entirely, and use root shell
+in person if we need to recover?
 
+Ok, now ready for service setup following `prototyping.md`.
-- 
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