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Bash script that checks internet connection
if you have any device in office/home, run nohup bash check_net.sh &. nohub will store the output of the script in ~/nohup.txt and the script will make output in ~/status.txt
you can write local crons that will check every hour if script is running and weekly cron to delete old nohub text (if you have)
10 10 * * 7 echo '' > /home/<HOMEDIR>/nohup.out
1 * * * * if [ $(ps -C bash u | grep -c 'bash check_net.sh') -eq 0 ]; then $(nohup bash check_net.sh > /home/<HOMEDIR>/nohup.out &) ; fi