- Related tutorial: http://raspberrypiguide.de/
- Command Line Cheatsheet: https://gist.github.com/hofmannsven/8392477
Find all available devices arp -a
Locate Raspberry (b8:27:eb) in Network: Pi Finder
| # Windows | |
| Thumbs.db | |
| desktop.ini | |
| # OS X | |
| .DS_Store | |
| .Spotlight-V100 | |
| .Trashes | |
| ._* |
| Date,Total1/1/04,1290001/2/04,4190001/3/04,2220001/4/04,1400001/5/04,5640001/6/04,6090001/7/04,6090001/8/04,6110001/9/04,6240001/10/04,2010001/11/04,1350001/12/04,6180001/13/04,6600001/14/04,6610001/15/04,6280001/16/04,5940001/17/04,2360001/18/04,1480001/19/04,2200001/20/04,6170001/21/04,6470001/22/04,6870001/23/04,6400001/24/04,2210001/25/04,1360001/26/04,4360001/27/04,5170001/28/04,6140001/29/04,6550001/30/04,6330001/31/04,2150002/1/04,1340002/2/04,6150002/3/04,5980002/4/04,6590002/5/04,6520002/6/04,6030002/7/04,2380002/8/04,1410002/9/04,6210002/10/04,6500002/11/04,6600002/12/04,6510002/13/04,6440002/14/04,2730002/15/04,1680002/16/04,2410002/17/04,6340002/18/04,6480002/19/04,6650002/20/04,6640002/21/04,2580002/22/04,1450002/23/04,6220002/24/04,6460002/25/04,6570002/26/04,6530002/27/04,6380002/28/04,2510002/29/04,1510003/1/04,6190003/2/04,6470003/3/04,6600003/4/04,6630003/5/04,6600003/6/04,2530003/7/04,1720003/8/04,6300003/9/04,6610003/10/ |
Find all available devices arp -a
Locate Raspberry (b8:27:eb) in Network: Pi Finder
| class UrlValidator < ActiveModel::EachValidator | |
| def validate_each(record, attribute, value) | |
| valid = begin | |
| URI.parse(value).kind_of?(URI::HTTP) | |
| rescue URI::InvalidURIError | |
| false | |
| end | |
| unless valid | |
| record.errors[attribute] << (options[:message] || "is an invalid URL") |