Marc Hanheide marc-hanheide

Links

Grub commands

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

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

NFS setup:

Main PC:

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

	#!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

	#!/bin/bash

	trap stop_tunnels 1 2 3 6 15

	PIDS=""

	SSH_LOGIN="-N -p 22222 [email protected]"

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

	#!/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


	#
	# 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

	# dumping
	mongodump --tlsInsecure -vvvv -d ff_rasberry -c 2021_riseholme_deltalink "--uri=mongodb://[email protected]: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"

	# 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