HP z545 Technical Information PDF herunterladen (Seite 6)

your local weather forecast, along with

screen captures of Doppler radar for

your local region (Figure 4). (This fea-

ture is based on an interface with the

Weather Channel website.)

If the location is incorrect, you can

change it in the setup menu Utilities/

Setup | Setup | Info Center Settings |

Weather Settings. MythVideo allows the

playback of a multitude of video codecs

(mpeg, avi, divx, xvid, qt, wmv, etc..) by

using Mplayer on the back end. Myth-

DVD allows you to rip and store your

DVD collection to your hard drive. This

feature is convenient if you hate having

to go searching for the same DVDs over

and over again. For the retro gaming en-

thusiasts, there’s MythGame, which al-

lows you to run old ROM images of Atari

and NES games via the MAME and SNES

emulators. Legally you are required to

own the actual ROM cartridges, even

though there are numerous websites al-

lowing downloads of all your favorite

classic games.

One of the newest add-on applications

is MythStreamTV, which allows you to

stream your videos over the network.

Streaming is great if you want to take a

break from a long night of coding and

watch a recorded program from your

workstation.

By far the most impressive of the add-

on applications is MythWeb. MythWeb

allows you to interface with your

MythTV box over the Internet (Figure 5).

Basically, an Apache web server is setup

with access given only to your regular

user ID. You can view the program

schedule, delete old shows, schedule

new shows, and even control streaming

video via MythStreamTV. The only ca-

veat to external access is

forwarding port 80

through your network

firewall. This feature is

especially useful if

you’re on the road and

want to make sure your

favorite TV shows will

be recorded for you.

MythTVBurn is a fairly

new add-on application

that is especially useful

if you have a DVD

burner in your Myth

box. The program lets

you take previously re-

corded programs and

burn them to DVD.

Adding Storage Space

If you get to the point where you’re run-

ning out of disk space and refuse to ar-

chive old shows to DVD, you can add an

additional hard drive. The best solution

for adding more hard drive space is

using LVM (Logical Volume Manager).

For all intents and purposes, hard drives

set up with LVM will be treated by the

system as single hard drive partitions.

You will have to backup any programs

you’ve recorded, as they will be wiped

out when setting up LVM. This is be-

cause you are reformatting the partitions

where your video files will reside. Set-

ting up LVM would normally involve

many steps, but the developers of

KnoppMyth have created a script to sim-

plify the process. To set up LVM, log into

a console session as root and use cfdisk

to create a partition on your new hard

drive called /dev/hdb1. Then run the cre-

ate_lvm.sh script and pass the partition

names you want to combine:

create_lvm.sh /dev/hda3

/dev/hdb1

For SCSI disks, use the following com-

mand:

create_lvm.sh /dev/sda3

/dev/sdb1

The script will create disk volumes and

modify the /etc/fstab file with the new

partitions. This script should be started

by the command create_lvm.sh followed

by the list of devices (partitions) to be

included in the volume group.

The next step is to umount the /dev/

vg/myth partition:

umount /myth

Then format the /dev/vg/myth partition

with the file system of your choice :

mke2fs -j -O sparse_super -m0

-i8000000 -L myth /dev/vg/myth

Remount the /myth partition:

mount /myth

And restore any files that were destroyed

in the LVM formating process.

Conclusion

MythTV is an incredibly powerful appli-

cation that let’s you do everything a

commercial DVR can do and much more.

The power of MythTV lies in the fact

that MythTV enables users and develop-

ers to come up with new and innovative

ways to improve and extend its function-

ality. The MythTV project is not limited

by corporate monetary interests or con-

strained by development teams who are

told what to work on. The only possible

obstacle is small minded legislation paid

for by the entertainment industry that

would outlaw digital recordings for per-

sonal fair use. But alas, that is an argu-

ment for another day. ■

[1] MythTV: http:// www. mythtv. org/

[2] Zap2It: http:// www. zap2it. com/

[3] MythTV wiki on XMLTV: http:// www.

mythtv. org/ wiki/ index. php/ XMLTV

[4] KnoppMyth:

http:// knoppmythwiki. org

[5] Hauppauge 350 with KnoppMyth:

http:// knoppmythwiki. org/ index. php?p

age=HauppaugeThreeFiftyInstallation

[6] IVTV driver install: http:// mythtv. org/

wiki/ index. php/ IVTV_Installl

[7] IR-blaster: http:// www. irblaster. info/

[8] IR-blaster workaround:

http:// mysettopbox. tv/ phpBB2/

viewtopic. php?t=9352&postdays=0&p

ostorder=asc&start=0

[9] MythTV with LIRC:

http:// losdos. dyndns. org:8080/ public/

mythtv-info/ MythTV_DISH_IR_LED_

TX_via_Modified_LIRC. html

[10] Linux HTPC Howto:

http:// www. linuxis. us/ linux/ media/

howto/ linux-htpc

INFO

Figure 6: With MythTV, you can even search the web while

watching television.

MythTV

KNOW-HOW

ISSUE 71 OCTOBER 2006

W W W . L I N U X

M A G A Z I N E . C O M

1 2 3 4 5 6

TV IN LINUX 1
KNOW-HOW 2

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