tailieunhanh - Apress - Smart Home Automation with Linux (2010)- P12

Apress - Smart Home Automation with Linux (2010)- P12:Linux users can now control their homes remotely! Are you a Linux user who has ever wanted to turn on the lights in your house, or open and close the curtains, while away on holiday? Want to be able to play the same music in every room, controlled from your laptop or mobile phone? Do you want to do these things without an expensive off-the-shelf kit | CHAPTER 1 APPLIANCE CONTROL cdrom comment Media server s DVD writable no locking no path dvd public yes preexec bin mount dvd postexec bin umount dvd The last two lines will automatically mount the disk when asked for and unmount it after it s been unused for a short period of time. The system is told how to handle the un mounting of media dvd with a suitable description in etc fstab. dev scd0 dvd udf iso9660 user noauto 0 0 Depending on the range and login configurations on your network you may want to set up specific Samba users. If you re a sysadmin by trade setting up a centralized login database for all machines Windows Linux Mac might appear like a simple task. But for the rest of us each machine will maintain its own set of usernames and passwords. Consequently the Samba server has no way of knowing about these other machines or when their respective users decide to change their passwords. This makes it impossible for Samba to know what username password combinations it should accept from this other machine. Therefore it uses a separate set password table. You simply need to type as root the following for each user who has password access to the particular Samba shared folders smbpasswd -a steev For each user you will be asked for the following New SMB password Retype new SMB password at which point you can either ask the family member for a password or assign them one knowing that it can be changed only by root on this same machine. Once the user has logged in from a particular machine however the operating system will usually remember the credentials so no one will be continually prompted for this information. You should then restart the Samba service to make these changes visible to the world. etc samba restart This is all that s necessary to make the files available across your network. This allows you to use the various media-streaming devices or head units currently available. CCTV Cameras Although the perception of CCTV is grainy .

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