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[[File:mythtvlogo.png]]MythTV is not a device. MythTV is not an Operating System. MythTV is software that runs under Linux or Macintosh. MythTV is not a device. MythTV is not an Operating System. MythTV is software that runs under Linux or Macintosh. Create a home theater PC ([[HTPC]]) or media center computer using the MythTV software. == topics to add to this wiki page==== Introduction ==- mythmote - android app MythTV supports operating systems other than Linux. Although similar to Linux, FreeBSD isn't a Linux distribution and MythTV runs on FreeBSD too. Macintosh OS-X is another *nix that can be used to run MythTV. For the Microsoft community things are not as optimistic. Due to inherent Microsoft bloat and internal design dynamics porting MythTV to the Microsoft Windows platform has not happened as of this writing. There is, however, a way to run MythTV front-end on Microsoft Windows. There is no MythTV backend for Windows. There are now some [[MythTV Apps for Mobile Devices]]. There are streaming clients, as well as IP based remote controls that will run on many smart phones. Most of these apps are developed by 3rd party developers and are not official MythTV project releases. The primary operating system target for MythTV operation remains Linux. Although MythTV can be installed to run on a Linux system installed from one of the many available distributions, there are actually special Linux distributions built specifically for and around the purpose of using MythTV. With one of these specialized MythTV Linux distributions you can turn a PC into a DVR and multimedia center relatively easily. Of the available Linux distributions specifically for MythTV, [[Mythbuntu]] is currently one of the best. For that reason, much of the discussion here is Mythbuntu centric, however, also applies to running MythTV installed to Ubuntu, kubuntu, and Debian independently. Furthermore, whereas package management is not concerned, or specifics to the Windows shell, the MythTV information can also apply to running MythTV on any distribution. Related Resources:* [[MythTV Setup Series]] - specific aspects of MythTV configuration* [[Mythbuntu]] - a Ubuntu derivative focused upon MythTV (''mythbuntu has been retired'') == MythTV's MySQL Database == Look for 'mythconverg' in your MySQL database. The mythconverg database is used by MythTV. * /var/lib/mysql/mythconverg/ Connect to MySQL from command line mysql -p mythconverg describe channel; select * from channel;and so on. Those are just some examples. Knowledge of SQL language necessary. Warning: Messing around the mythconverg database can wipe out your entire MythTV installation. From the command line you can make a copy of the mythconverg database to be used for analysis and experimentation without the risk of impacting the live database. cp -pr /var/lib/mysql/mythconverg/* /var/lib/mysql/mythconvergcopy/ === scheduled recording doesn't show in Media Library / Recordings ===== scheduled recording doesn't show in Media Library / Recordings ====== EPG off by one hour after Daylight Saving Time ===The system time is correct, in that it changed by going ahead or back an hour as it should. However, now the Electronic Program Guide (EPG) is off by one hour. All of the correct programming is showing in the EPG, however, it is time shifted either ahead or back. In the fall season when DST ends, all clocks are set back 1 hour. The clock on the MythTV system is correct. The program guide shows a program that is airing at 6:00pm as scheduled for 7:00pm. To resolve, the EPG program database needs to be cleared and then MythTV needs to be allowed to repopulate the database. Using MySQL command line interface, clear the Program table.note: ''mythtv runs as root database, to open execute "sudo mysql -p" and enter the sql server password.'' mysql> use mythconverg; mysql> truncate table program; Now run the MythTV Backend Setup. Allow it to stop the Backend process. You won't need to make any changes in the MythTV Backend Setup interface. Exit the interface and choose "Yes" when asked if you wish to run "mythfilldatabase."Open the MythTV Frontend and select Watch TV. Once the tuner is engaged it will start updating the EPG if you are using an OTA EPG and not a pay subscription service.=== Select Country and Language screen comes up after reboot ===Choose the country, language, and database configuration settings should appear once on initial front-end setup. If it persistently appears after each reboot then the the mythfrontend startup script is not being filled or is being overwritten. This can happen after an update of MythTV on some systems such as Mythbuntu. Another reason the screen might be coming up is if the front-end is having connectivity problems. See [[MythTV Setup- Connecting to a backend]] for more details.=== signal and reception ===Before tweaking you need some baseline readings. Without these you won't know if the changes you're making are for the better or worse. Start with a channel scan to identify the frequency for each station you care about.If trying to adjust antenna it may be necessary to keep a signal strength indicator visible for the desired channel frequency. When changing channels the signal strength is sometimes but not consistently and briefly displayed. To keep a signal strength indicator visible on the screen for the current channel you will activate SIGNALMON function.The SIGNALMON function is activated by default via the key combination of* F7 on very old versions* Alt-F7 is the default for versions 0.21 and beyond* Alt-S* Ctrl-ATo configure the key combination for SIGNALMON goto Frontend SETUP -> EDIT KEYS -> TV Playback -> SIGNALMONYour key binding for SIGNALMON may be different. You can set your own key binding of preference.:* [http://forum.mythtv.org/ mythtv.org forum][[Category:MythTV]][[Category:SQL]]