The Selenium-checker is the simple Shell script written to automate the checking newer version of Selenium standalone server available at selenium release storage and notify about that the user.
Note: you may add the execution of the following script to the Cron with the following commands in terminal:
crontab -e- add this line
*/30 * * * * /path/to/selenium_checker.shto perform check each half hour - close Nano editor with
Ctrl+X - confirm saving the new task for Cron
Y - expected result
crontab: installing new crontab
Note: each script execution performs the request to the remote server. So make sure you have an access to the selenium-release.storage.googleapis.com/index.html and be careful with frequency of requests.
References: http://habrahabr.ru/post/47892/#comment_7143538 and http://habrahabr.ru/post/126849/#comment_4183443