Plan9

• Tips & Tricks
• Listen & services
• Auth & CPU servers

Tips & Tricks

RC key bindings

• PgUp/PgDn - scroll
• Home/End - go to top/bottom
• DEL - terminate program
• C-f - auto complete
• C-a/C-e - go to starte/end of line
• C-w/C-u - erase word/line

Mouse

• L+M - cut
• L+R - paset

ACME

Tags

• win - rc shell

Manuals

man <name> | page

Search man pages:

lookman

Networking

man ipconfig

ip/ping ibm.com

Get IP/DNS settings

cat /net/ndb

Ping

(Del to exit)

ip/ping wp.pl

Listen with command

This will listen on TCP port 99 and run cat to process data (will echo stuff back).

aux/listen1 tcp!*!99 cat

FTP

See man listen.

aux/listen tcp21

Logs

See for listen log:

cat /sys/log/listen

Processes

ps -a

Kill

Kill <match>

Manually:

chown 666 /proc/ID/ctl
echo kill > /proc/ID/ctl

Namespace

ns

List file descriptors

ls /fd

List TCP connections

cat /net/tcp/*/^(local remote status)

Drivers

cat /dev/drivers

Managing hjfs

Open system console (to avoid spam on the screen):

cat /dev/kprint

Connect (or use echo instead) to hjfs deamon:

con -C /srv/hjfs.cmd

CTRL+\+enter gives >> prompt; type q to exit con.

Commands (see man hjfs):

• df - disk usage
• newuser <usename> - add user to FS
• newuser <groupname> +<username> - add user to a group (user?)
• sync

List users:

cat /adm/users

Logs

Console log:

cat /dev/kprint

Log files:

/sys/log/

Castor9 gemini

• https://fedi.9til.de/@julienxx/105361066071945190

Castor9 browser is also available on http://shithub.us or 9fs 9til.de

• #gemini #plan9

Docs

• https://9p.io/sys/doc/names.pdf

Stream

• https://twitch.tv/sdfpubnix (live)

• https://toobnix.org/
  

• https://www.worldtimebuddy.com/pst-to-utc-converter
  

Challenges

• https://9p.sdf.org/
  
• https://9p.sdf.org/challenges/index.html
  

HTML/Gemini

You are correct, you create the $home/html directory then create your index.html and/or index.gem files there. You can view your user site using the respective:

• https://9p.sdf.org/who/antics/index.html
  
• gemini://9p.sdf.org/who/antics/index.gem
  

urls.

curl https://9p.sdf.org/who/index.html -v --insecure

curl http://9p.sdf.org/who/hxd/index.html

They need /usr/web/who/hxd created (mounted?).

See /bin/mkhomepg.

Config files

• bin/rc/riostart - script for rio; use wloc to see script for current windows
• /n/9fat/plan9.ini - boot setting; use 9fs 9fat to mount first
• lib/profile - user specific based boot stuff; starts stuff depening on role (terminal, cpu, cons)
• /bin/termrc - boot stuff

Listen & services

Services

• https://man.cat-v.org/plan_9/8/listen

Start all services matching ls /bin/service/tcp*

aux/listen

Custom listen

aux/listen1 will listen on proto, ip and port and execute command for each incoming connection and forward stdin/out to the connection.

Normally it runs as user none.

Echo on TCP 888

aux/listen1 tcp!*!888 cat

Collect data sent

aux/listen1 -t tcp!*!888 tee -a data

Send data out

aux/listen1 tcp!*!888 echo foobar

CPU server (-t to use current user)

• https://plan9.io/wiki/plan9/Drawterm_to_your_terminal/index.html
  

aux/listen1 -t tcp!*!17010 /bin/cpu -R &

Auth & CPU servers

Create user on the file system

 

Keyfs user database

• https://plan9.io/magic/man2html/4/keyfs
  

This creates /adm/keys encypted (DES?) user database file and mounts its content under /mnt/keys.


auth/keyfs -p # (in rc terminal, no acme)

Now we can crate user in the encrypted /adm/keys file:

auth/changeuser hxd

This will write new /adm/keys file and also show the user in /mnt/keys as parsed out of the file.