better buildbot notes

source/resources/apps/buildbot/README.md

@@ -4,3 +4,39 @@ Install buster on two machines (KVMs) named:
 buildbot (master)
 bb1 (worker)
 
+# On buildbot KVM:
+apt update
+apt install buildbot
+
+
+Answer "Yes". This will install buildbot (server) and buildbot-worker.
+
+man 7 buildbot
+
+buildbot create-master /var/lib/buildbot/masters/fs
+
+chown -R buildbot: /var/lib/buildbot/masters/fs
+
+mv /var/lib/buildbot/masters/fs/master.cfg.sample /var/lib/buildbot/masters/fs/master.cfg
+
+# no changes?
+vim /var/lib/buildbot/masters/fs/master.cfg
+
+# Test config is ok:
+buildbot checkconfig /var/lib/buildbot/masters/fs/master.cfg
+
+###########################
+Set /etc/default/buildbot to be like this (fs=Fork Sand):
+MASTER_RUNNER=/usr/bin/buildbot
+MASTER_ENABLED[1]=1                    # 1-enabled, 0-disabled
+MASTER_NAME[1]="fs"                    # short name printed on start/stop
+MASTER_USER[1]="buildbot"              # user to run master as
+MASTER_BASEDIR[1]="/var/lib/buildbot/masters/fs"  # basedir to master (absolute path)
+MASTER_OPTIONS[1]=""                   # buildbot options
+MASTER_PREFIXCMD[1]=""                 # prefix command, i.e. nice, linux32, dchroot
+###########################
+
+# Start it:
+systemctl start buildbot@fs.service
+systemctl enable buildbot@fs.service
+