README_harveys_to_file_ssh_tunnel.txt

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-# 21JAN2025: 
-Instructions for VNC and file logging 
-via an ssh tunnel to an ETC 6075 touchscreen
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-
-
-# Login to dev using ssh -X
-
-
-
-
--------------------------------------------------------
-# file Logging
--------------------------------------------------------
-
-To log data files/can 
-On dev
-
-dev$ ssh -p 1235 root@localhost "./can_rx | egrep 'O2|F1DF' " >> touchscreen_can_log.txt
-
-This will log to dev data streamed from the touch screen via the shh tunnel.
-
-
-
-
--------------------------------------------------------
-# VNC
--------------------------------------------------------
-
-# This assumes the reverse_tunnel.sh is running on the target touch screen
-
-to get this running log in from dev
-dev$ ssh -p1235 root@localhost
-# login password....
-# 
-# more tunnel_vnc.sh
-ssh -y -N -l touchscreen -R 1236:localhost:5900 dev.energytechnologycontrol.com
-# ./tunnel_vnc.sh &
-# exit # back to dev
-
-display a VNC copy of the touchscreen GUI.
-
-$dev vncviewer localhost:1236 
-
-VNC viewer should display. Leave terminal session logged in.
-
-
-
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-RPC 21JAN2025
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ppt_to_png.sh

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-#!/usr/bin/bash
-
-# Generate temporary file safely
-temp_file=$(mktemp)
-ppt "$1" > "$temp_file"
-
-# Count lines directly
-line_count=$(wc -l < "$temp_file")
-
-# Calculate image height (e.g., 20 pixels per line, with a minimum height)
-line_height=20
-image_height=$((line_count * line_height))
-[ "$image_height" -lt 70 ] && image_height=70  # Ensure a minimum height of 70 pixels
-
-# Generate image with dynamic height and fixed-width font
-convert \
-    -size 165x${image_height} \
-    xc:lightyellow \
-    -font Courier \
-    -pointsize 12 \
-    -fill blue \
-    -gravity center \
-    -draw "text 0,0 '$(cat "$temp_file")'" \
-    image.png
-
-# Clean up temporary file
-rm "$temp_file"
-