marc-hanheide

#!bin/bash

# This script configures the ROS environment variables according to the route
# to the ROS_MASTER. ROS_MASTER can either be defined as an evironment variable
# itself or given as first argument to this script. The ROS_IP and ROS_HOSTNAME
# are set according to the IP that is sitting on the route to this master. 
# The ROS_MASTER_URI is also set, using port 11311. ROS_MASTER needs to be defined
# as a numeric IP address, not a hostname.

if [ "$1" ]; then

marc-hanheide

# every minute check if connection is still alive and try reconnecting if it's not

*/1 * * * * /usr/bin/nmcli c status id STRANDS-AAF > /dev/null || /usr/bin/nmcli c up id STRANDS-AAF

marc-hanheide

#!/bin/bash

trap stop_tunnels 1 2 3 6 15 

PIDS=""

SSH_LOGIN="-N -p 22222 marc@78.142.144.123"

FORWARDS="
	-L0.0.0.0:35900:localhost:5900

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DISPLAY=:0 cvlc -vvv --no-audio screen:// --screen-fps 1 --sout "#transcode{vcodec=MJPG,vb=800}:standard{access=http,mux=mpjpeg,dst=:18223/}" --sout-http-mime="multipart/x-mixed-replace;boundary=--7b3cc56e5f51db803f790dad720ed50a"

marc-hanheide

#!/bin/sh
df -H | grep -vE '^Filesystem|tmpfs|cdrom|none|udev' | awk '{ print $5 " " $1 }' | while read output;
do
  #echo $output
  usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  )
  partition=$(echo $output | awk '{ print $2 }' )
  if [ $usep -ge 80 ]; then
    echo "Running out of space \"$partition ($usep%)\" on $(hostname) as on $(date)" |
     mail -s "Alert: Almost out of disk space $usep%" root
  fi

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#
# You will need to change these variables...
#


# The host name or IP address of the SSH server that we are
# sending the connection request to:
SERVER_HOSTNAME=harek

marc-hanheide

Links

• http://askubuntu.com/questions/596386/visualizing-linux-gpt-partition-efi-from-windows-host
• http://lifehacker.com/how-to-dual-boot-and-virtualize-the-same-partition-on-y-493223329

Grub commands

set root=(hd0) 
set prefix=(hd0)/boot/grub 
insmod normal 

marc-hanheide

1. On the robot install proxytunnel: sudo apt-get install proxytunnel

2. enter this in ~/.ssh/config:

Host lcas ProxyCommand /usr/bin/proxytunnel -p lcas.lincoln.ac.uk:443 -E -d localhost:22 Compression yes ServerAliveInterval 120 TCPKeepAlive no RemoteForward *:19273 localhost:22

marc-hanheide

NFS setup:

Main PC:

• sudo mkdir -p /export/users
• mkdir /nfshome
• sudo apt-get install nfs-kernel-server
• /etc/exports:

marc-hanheide

# dumping
mongodump --tlsInsecure -vvvv -d ff_rasberry -c 2021_riseholme_deltalink "--uri=mongodb://mhanheide@10.210.9.130:27017/?authSource=admin&tls=true&tlsAllowInvalidCertificates=true"

# restoring
mongorestore --tlsInsecure -vvvv --nsInclude=ff_rasberry.2021_riseholme_deltalink "--uri=mongodb://mhanheide@localhost:8000/?authSource=admin&tls=true&tlsAllowInvalidCertificates=true"