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Mythbuntu is a media center linux distribution which combines an operating system (ubuntu) with software (mythtv) to achieve a complete DVR and video library system. Mythbuntu is an official Ubuntu flavor focused upon setting up a standalone MythTV based PVR system. Mythbuntu is a custom Ubuntu distribution with a prebuilt MythTV install, and it is a Ubuntu that has been optimized for use with MythTV. [[File:mythtvmythbuntulogo.png]][[Ubuntu]] is a linux distribution that typically uses Gnome Windows Manager. Mythbuntu does not use Gnome. Mythbuntu uses Xfce as the Window Manager. November 06, 2016: Mythbuntu as a separate distribution will cease to exist. The Mythbuntu team recommends users who want to use Mythbuntu to install the latest release of the Xubuntu Linux operating system and then add the Mythbuntu PPA (Personal Package Archive), which will continue to provide the latest MythTV releases and other related packages. <big>Mythbuntu Alternative: [[LinHES]]</big> Since the Mythbuntu distribution has been discontinued you have a number of options. Of course you can still install Ubuntu and then MythTV. Obtain Ubuntu by downloading and installing the latest Xubuntu or Ubuntu Desktop LTS version. MythTV is available through apt. Another alternative is to install [[Mint Linux]] and [https://community.linuxmint.com/software/view/mythtv software package mythtv]. Mythbuntu is a media center linux distribution which combines an operating system (ubuntu) with software (mythtv) to achieve a complete DVR and video library system. Create a home theater PC ([[HTPC]]) or media center computer using Mythbuntu. Mythbuntu is an official Ubuntu flavor focused upon setting up a standalone MythTV based PVR system. Mythbuntu is a custom Ubuntu distribution with a prebuilt MythTV install, and it is a Ubuntu that has been optimized for use with MythTV. [[Ubuntu]] is a linux distribution that typically uses Gnome Windows Manager. Mythbuntu does not use Gnome. Mythbuntu uses [[Xfce]] as the Window Manager. ''MythTV is "beta" quality DVR software for a PC running Linux. Even under the most standard, typical hardware configurations Mythbuntu and MythTV work reasonably well but not without errors and annoyances. The use of the term "beta" is opinion rather than an official designation by the developers (-2014).''* unexplained crashes* scheduled recording fails when tuner on LiveTV* storage group design makes alternate video player fail* screen goes black See the Section: [[Mythbuntu#Troubleshooting]]=== unexplained crashes ===While watching LiveTV, or while watching a recording which may be associated with a tuner active in recording another program at the time, popup crash messages appear. Messages are infrequent, however, seemingly random and very annoying.[[File:mythtv-sys-prog-prob-det-popup.jpg]]The Cancel button is clicked. Playback of a recorded program continues, even during the error popup. The popup blocks part of the viewable screen space. Once the popup goes away, a new popup appears.[[File:mythtv-app-backend-setup-closed-unexpectedly-popup.jpg]]Send an error report? Sounds like Microsoft! Click "Show Details" and lets find out what went wrong so it can be fixed.[[File:mythtv-app-backend-setup-closed-unexpectedly-popup-cr1.jpg]]The error report itself has now crashed. Meanwhile the video is still playing behind all these popups. The cause for the error is never determined. The error report will not complete. This is a fairly common problem with Mythbuntu installations on common PC hardware. Due to the attitude towards bug reports by the MythTV developers, it is unlikely the problem will be addressed in the near future. Fortunately, this tends to be a once-per-day type of error in most cases and like most things with buggy software in our modern age, simply gets tolerated.RESOLUTION: none.=== Theme Notation ===The most common screen resolution of an LCD panel television is 1920x1080 - which is 16:9 . Some themes do not work well on the common television. * Arclight - not recommended.* Steppes - fair. Glitches in media library view.* Mythbuntu 25.30 - excellent.=== Key bindings to mimic VLC ===I like to have the SPACE BAR pause and resume to mimic the behavior of VLC Player.Setup, Edit Keys, TV Playback, Pause, and press the SPACEBAR when prompted in the empty slot after the "P." The key binding conflicts with another which can easily be removed.Setup, Edit Keys, Global, Select, and select the slot with SPACEBAR to remove the binding.Press ESCAPE and Save Changes.=== Using VLC Player for playback ==={{:MythTV Setup Series- Use Alternate Player}}MythTV directories that are shared to Windows network neighborhood are done so with [[Linux CIFS Utils and Samba]] with the configuration file {smb.conf) being at the path /etc/samba/smb.conf - example: [[Example Mythbuntu SMB Shares]]. If you modify smb.conf you will need to restart the service: service smbd restart && service nmbd restart* /var/lib/mythtv/streaming - === extras ===MythTV directories that are shared to Windows network neighborhood are done so with [[Linux CIFS Utils and Samba]] with the configuration file {smb.conf) being at the path /etc/samba/smb.conf - example: [[Example Mythbuntu SMB Shares]]. If you modify smb.conf you will need to restart the service: service smbd restart && service nmbd restartInstall vim editor apt-get install vimSet VNC password== Menu Structure of Mythbuntu 25.30 Theme MENU == sudo x11vnc --storepasswdTo connect to windows shares you need cifs Mythfrontend 0.25 apt-get install cifs-utils | +---Media Library | +---Watch Recordings | +---Watch Videos | +---Listen to Music | \---Image Gallery | +---Manage Recordings | +---Schedule Recordings | | +---Program Guide | | +---Program Finder | | +---Search Words | | +---Search Lists | | \---Custom Record | | | +---Recording Rules | +---Upcoming Recordings | +---Previously Recorded | \---Set Priorities | +---Information Center | \---System Status | +---Optical Disks | +---Play Optical Disc | +---Import CD | \---Eject Media | +---Watch TV \---Setup +---Setup Wizard +---General +---Appearance +---Theme Chooser +---Audio +---Video +---Media Settings +---System Event Handlers +---Edit Keys +---Artwork and Metadata Sources \---Screen Setup WizardsInstall Firefox, because [[Chromium]] doesn't support [[Favorite_Firefox_Extensions#NoScript|NoScript]].== Operating System Adjustments == apt-get install firefoxEasy way to secure transfer files {{:MythTV Setup- Operating System Adjustments}} apt-get install lrzsz === disable screen blanking ===After my computer with ubuntu 12.04 has been idle for a short while, the screen will go blank, and even enter standby mode. Drop out of MythTV frontend to Xfce and on the menu in the upper left:* Applications, Settings, ScreensaverChange "Blank After" to 0 or any value you want. STATUS: '''UNRESOLVED'''. TV blanks on MythTV menu. Does not blank on livetv, player, or Xfce desktop. Unknown resolution. Workaround: press the input button on the remote to wake TV up. === Using VLC Player for playback ===Using [[VideoLAN Player]] for playback in MythTV (otherwise known as VLC Player) for all video files or certain video files. The subject is covered in the Official MythTV Wiki ([http://www.mythtv.org/wiki/VLC MythTV VLC]).Now for any media such as video files from those shares to show up in MythTV-Frontend under "Media Library, Watch Videos" the backend configuration needs to be modified.(Steps for that coming soon...)CORRECT IN MYTHTV SOFTWARE:<BR>Manifestations #Audio present in MythTV frontend but not in X.org #Audio absent in MythTV frontend and present in X.org#No Audio in MythTV frontend and X.org ==== CORRECT IN MYTHTV SOFTWARE ====CORRECT IN X11:<BR>==== CORRECT IN X11 (X.org) simple ====This is a quick fix. Use this solution only if:* You previously had audio in X.org apps, perhaps before a reboot or other event* You already have PulseAudio Control installed "pavucontrol"* You use an HDMI cable for audio and video to a monitor TV Sometimes users of Mythbuntu drop back into the xfce to run media software, such as VLC. Even though MythTV Frontend has a working audio configuration, the desktop may not. Once configured, users are noticing that Pulse Audio loses its setting after a reboot or other event, and audio for apps in X.org stop working. '''Quick Fix''': (''assuming you have checked cables are not loose'')* Simply open pavucontrol and click the configuration tab. If it is correctly set to "Digital Stereo (HDMI) Output" (or whichever you typically use) inwhich it should be working, and has in the past worked, but is now not working, change it to another option, and then change it back to "Digital Stereo (HDMI) Output." This basically "refreshes" or reminds Pulse Audio what output you wish to use. This seems to kick start the audio and get it working again for most people. If your problem doesn't meet the 3 bullited criteria above or the Quick Fix solution fails, proceed to attempt the thorough troubleshooting that follows... ==== CORRECT IN X11 (X.org) thorough ====If it starts, then Good! Now you need to open the PulseAudio Volume Control applet in XfceIf it starts, then Good! Now you need to open the PulseAudio Volume Control applet in [[Xfce]]== Backend Configuration ===== Adding an additional backend ===On the backend machine, open the /etc/mysql/my.cnf file sudo vi /etc/mysql/my.cnfComment the line that begins with bind-address by placing a # in front of it. # bind-address = 127.0.0.1Now restart the MySQL server. sudo service mysql restartReferences:* http://emmanuelcontreras.com/content/how-setting-multiple-remote-frontend-mythtv-backend* http://asrockion.wiki.zoho.com/adding-an-extra-Mythtv-frontend-1.html* http://parker1.co.uk/mythtv_ubuntu.php=== Master Backend Info- Security Key ===You will need this set to add additional mythtv frontends to the network.#In the xfce windows interface use the dropdown menu in the upper left "Applications" and choose System, MythTV Backend Setup.#In the MythTV backend setup choose: General, Security PIN (required)== Distribution Release Notes ===== Determine the version of MythTV you have ===console type: apt-cache policy mythtvOr if you are in Xfce environment you can open a terminal (Applications -> System -> Xfce terminal) and type the following: mythfrontend --versionThe mythfrontend command won't work from a remote ssh terminal.=== Determine the version of Ubuntu you have ===type: cat /etc/issue=== Determine the version of the Linux kernel ===type: uname -r=== Mythbuntu Releases ===Mythbuntu distribution releases are listed on their official web site. * [http://www.mythbuntu.org/downloads Mythbuntu Downloads]Starting with 12.04, the Mythbuntu team will only be doing Long Term Support (LTS) releases. Ubuntu does an LTS release about every two years. Mythbuntu ISOs will only be released for LTS releases. During the LTS life cycle, there will be point releases that roll up fixes into a new ISO. Even though Ubuntu LTS releases are usually every two years, MythTV releases are more frequent.The Mythbuntu version coincides with the Ubuntu distribution version.Mythbuntu 14.04.1 was released Thursday, July 24th, 2014. (point release)* MythTV: * Ubuntu: Trusty Tahr* Kernel: 3.13Mythbuntu 14.04 was released on Thursday April 17th, 2014. (LTS)* MythTV: MythTV 0.27* Ubuntu: Trusty Tahr* Kernel: 3.13Mythbuntu 12.04.3 was released on Thursday September 6th, 2013. (point release)* MythTV: 0.25* Ubuntu: Precise Pangolin* Kernel: 3.8* ISO filename: mythbuntu-12.04.3-desktop-amd64Mythbuntu 12.04 (LTS)* Ubuntu: Precise Pangolin[[Category:Ubuntu]][[Category:MythTV]]