update: support for ssh authorized keys, update docs

README.md

@@ -17,6 +17,13 @@ The following environment variables are available. For network configuration, th
 * `NET_STATIC`: If set to `yes` then we only perform static network configuration and **all** the above variables **must** be set
 * `ROOT_PASSWORD`: The (plaintext) root password
 
+### ssh keys
+* By default root is allowed public key ssh access in the resulting VM
+* If you volume mount an `authorized_keys` file under `gunet/` folder then it will be used in the resulting ISO: `-v ${PWD/authorized_keys:/var/jeos/gunet/authorized_keys}`
+
+### Special Notes
+* The ssh server will listen on port `65432` instead of the default `22`
+
 ### Building
 * Default `ARG` values:
   - ARG DEBIAN_VERSION=11.8.0
@@ -30,8 +37,11 @@ The following environment variables are available. For network configuration, th
 
 ## Size
 * Docker image: `510 MB`
-* JeOS ISO CD: `450 MB`
-* JeOS installation: `3.2 GB`
+* JeOS ISO CD:
+  - Debian 11: `450 MB`
+* JeOS installation:
+  - Debian 11: `3.2 GB`
+
 
 ## Notes for repo files
 ### Run

gunet/authorized_keys

@@ -1,2 +0,0 @@
-ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6cM+nOljtfvEn0BUYrJ9G5487HuaYGBrLikQfo1ZI5nfptVB1aOpJAQk77CTkS4uYnf705w9x3PO+Cv0N+bT4iVyrc8I6ZCBBdu607FCXi28H8WLVQdO9AptOZsa0DUFjq1Up71y8t2EdrQKlcHgKEUeoiimWL034KXzc/eFkAbqpYcS+iQUyb08KtJLk49nRXWznYlhJ0aGRrGXlKdgm4o9peQQhRct3NEviDVfS8x5eBmHlRnPz7hxCSNe63qx/zLVarR6ASAKLs595s/4IHj2HtaOVYiaK0iZZrPyhZlTgfxHsTw76oglEMj5OeqFNZzIEQ+XcI0uZJ4vi6dqLQ== kkalev
-ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDk6T7kZgQM0e1EGRIAmQH5DZgykaXW2CCtuU8az5elK7bdgnHMoxpNmrC0vun+Oh9D8RLlwnYG+HGyFF7V+iXqcLyesQtmdofsnkZAvp/hYIavGvcbBuwK0AaPtf3/n4IcStGNAZfZMX7g5V3d/loCLRZwhHdL0ih0PneOPNCLDpXkPVcVVaT1VnTVIcmS5y6ZHl83h0SRiqbAuygGAKLBWrKKpGxjbMVgQ2sbVmUpUpbtsOaeOB1vXg3Qef+Ykqh04YS2DeAdLRaSr6ls3So2ElQKERSLP4jZoJP9Sl8TcM6A1BgDnORQlCjuuZstxmXtBoSeXty/XBjyClrcVEyD konkour@uoa

gunet/internal_custom_script.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+export DEBIAN_FRONTEND=noninteractive
+
 apt-get -y update
 apt-get -y upgrade
 apt-get -y dist-upgrade
@@ -17,7 +19,7 @@ apt-get -y --purge autoremove
 
 apt-get -y install acpi-support-base openssh-server \
   iptables-persistent deborphan anacron net-tools \
-  wget telnet tcpdump lsof cdebconf
+  wget telnet tcpdump lsof iputils-ping cdebconf
 
 apt-get -y update
 apt-get -y upgrade

gunet/preseed.cfg

@@ -75,4 +75,22 @@ d-i grub-installer/bootdev string default
 
 d-i finish-install/reboot_in_progress note
 
-d-i preseed/late_command string cp /cdrom/gunet/custom_script.sh /target/root; cp /cdrom/gunet/internal_custom_script.sh /target/root/; cp /cdrom/gunet/sources.list /target/etc/apt/; cp /cdrom/gunet/00norecommends /target/etc/apt/apt.conf.d; cp /cdrom/gunet/install_docker.sh /target/root/; in-target apt-get -y update; cp /cdrom/gunet/disableipv6.conf /target/etc/sysctl.d; cp /cdrom/gunet/locale /target/etc/default;in-target chmod 700 /root/custom_script.sh; in-target chmod 700 /root/internal_custom_script.sh; in-target /root/internal_custom_script.sh; in-target mkdir /target/root/.ssh; cp /cdrom/gunet/authorized_keys /target/root/.ssh/; in-target /root/custom_script.sh; in-target chmod 700 /root/install_docker.sh; in-target /root/install_docker.sh; in-target rm /root/custom_script.sh; in-target rm /root/internal_custom_script.sh; in-target rm /root/install_docker.sh;
+d-i preseed/late_command string cp /cdrom/gunet/custom_script.sh /target/root; \
+  cp /cdrom/gunet/internal_custom_script.sh /target/root/; \
+  cp /cdrom/gunet/sources.list /target/etc/apt/; \
+  cp /cdrom/gunet/00norecommends /target/etc/apt/apt.conf.d; \
+  cp /cdrom/gunet/install_docker.sh /target/root/; \
+  in-target apt-get -y update; \
+  cp /cdrom/gunet/disableipv6.conf /target/etc/sysctl.d; \
+  cp /cdrom/gunet/locale /target/etc/default; \
+  in-target chmod 700 /root/custom_script.sh; \
+  in-target chmod 700 /root/internal_custom_script.sh; \
+  in-target /root/internal_custom_script.sh; \
+  in-target /root/custom_script.sh; \
+  in-target chmod 700 /root/install_docker.sh; \
+  in-target /root/install_docker.sh; \
+  in-target rm /root/custom_script.sh; \
+  in-target rm /root/internal_custom_script.sh; \
+  in-target rm /root/install_docker.sh; \
+  in-target mkdir -p /root/.ssh; \
+  cp /cdrom/gunet/authorized_keys /target/root/.ssh/authorized_keys;