Matthew's Weblog

Management Tips: Gen X vs. Gen Y

Ten Ways to Use LinkedIn | Guy Kawasaki

Bye-Bye, BPA
BPA/Phthalate-Free Shopping List
Now that we’re reading lots more about BPA and its low-level bad effects, we’re figuring out how to get our plastics to be non-BPA

sslstrip – transparently hijack HTTP traffic on a network, watch for HTTPS links and redirects, then map those links into either look-alike HTTP links or homograph-similar HTTPS links

How do you learn to be a Program Manager?

Mostly, becoming a program manager is about learning: learning about technology, learning about people, and learning how to be effective in a political organization. A good program manager combines an engineer’s approach to designing technology with a politician’s ability to build consensus and bring people together.

What an interesting idea… a ‘camera’ that sees through wallboard.  With the troubles we had during our remodel, this tool would have been really great to have….

So I finally got invited to the Boxee alpha, and had to move the apps to the ATV.  I couldn’t find a clear way to get the frappliances until I found a forum entry describing the process.  It’s still kind of kludgy given the rest of the stuff I’ve seen from the app/company… you’ve got to download the atvusb installer and then expand it and then pull the frappliances out of the build:

Path to find the apps in the atvusb-creator is: atvusb-creator\atvusb-creator.app\Contents\Resources\payloads\patchstick \plugins

copy them onto your ATV where your other plugins live in /System/Library/CoreServices/Finder.app/Contents/PlugIns

and then restart the finder.  Worked great.  Now to find out what all the hubbub is about…

First step was getting the MythFrontend to work on my mac… I downloaded the newest version, ran it, gave it the configurations needed, and it would repeatedly silently die. After trying to get a 0.21 build to work, I finally figured out how to run an application from the command line (no error messages! Argh!) and was able to see that there was a version mismatch. Downloaded 0.20-fixes and it worked great, first time. Three hours gone… sigh.

Moving on to the AppleTV…

Used the original appletv install documentation on the mythtv site

It went pretty well, directing me to an engadget article about upgrading appletv hard drives, showing how to dissasemble the appletv and back up the contents of the hd.

 dd if=/dev/disk1 of=/Users/mps/AppleTV.img bs=1024k

to check status, new terminal window and “kill -INFO [8636, PID of the dd process]”

then moving over various files:

cp -p /Users/mps/Downloads/Patchstick/Patchstick/atvloader/AwkwardTV.frappliance/Contents/Resources/sshd /Volumes/OSBoot/usr/sbin/
chmod +x /Volumes/OSBoot/usr/sbin/sshd
cp -p /Users/mps/Downloads/Patchstick/Patchstick/ssh/ssh.plist /Volumes/OSBoot/System/Library/LaunchDaemons/
defaults delete /Volumes/OSBoot/System/Library/LaunchDaemons/ssh Disabled
mkdir /Volumes/OSBoot/System/Library/Frameworks/OSXFrames
cp -pr /System/Library/Frameworks/Kerberos.framework /Volumes/OSBoot/System/Library/Frameworks/OSXFrames/.
cd /Volumes/OSBoot/usr/libexec/
cp /usr/bin/ssh* ../../usr/bin/
cp /usr/libexec/sshd-keygen-wrapper ../../usr/libexec/
cp /usr/libexec/sftp-server ../../usr/libexec/

when I tried to “cp /usr/libexec/ssh* ../../usr/libexec/” I got:
“cp: /usr/libexec/ssh-keysign: Permission denied”

so somehow there was a strange source permission issue… I didn’t sudo it because the docs said it wasn’t really needed.
then fixing perms:

sudo chown 0:0 sshd-keygen-wrapper
chmod 755 sshd-keygen-wrapper
sudo chown 0:0 sftp-server
chmod 755 sftp-server
cd ../../usr/bin/
sudo chown 0:0 ssh*
chmod 755 ssh*

and then it says we’re done and to test ssh. However, I don’t want to be transferring 100mb of MythFrontEnd over wireless if I don’t have to… so:

tar cf ~/MythFE.tar -C /Applications/ MythFrontend.app

(yes, there’s a space before the MythFrontend.app, and I don’t know why… I’ll read the tar man page someday) [edited: read the man page, it's to change to that directory before running the tar command. Handy.]

cp MythFE.tar /Volumes/OSBoot/

(might be lost, but then again might save me time later)

So then comes the test… connecting with SSH:

$ ssh -1 frontrow@appletv.local
Protocol major versions differ: 1 vs. 2
$ ssh  frontrow@appletv.local
Unable to negotiate a key exchange method

so, according to another page on the site this is because the ’sed’ that I used on sshd-keygen-wrapper was missing a space. However, the drive is back in the appletv so grrrrr.

Next step: build a patchstick. Gathered everything, ran the Leopard script and it says happy.

No boot. Rats. Since I had to use a USB-SD adapter instead of a regular USB stick, maybe it’s not bootable.

Borrowed a 512mb stick from a friend and re-created the patchstick. It works! OK, so I can now SSH into the appleTV. Next step, being able to do anything

Following the instructions, I went to make the disk read-write:

mount -o remount,rw /dev/disk0s3 /
/dev/disk0s3 on /: Operation not permitted

No dice. From the awkwardTV description:

 The user "frontrow" has complete sudo privileges. To be root, do sudo -s and put in the password again

which says to me that the original guide is probably out of date. As if we hadn’t already discovered that. So, I’m going to take the rest of the steps with a grain of salt…

root@appletv# mkdir /etc/mach_init.disabled
root@appletv# mv /etc/mach_init.d/ripstop.plist /etc/mach_init.disabled

Add the following to /etc/rc.local (create this file if it doesn’t already exist):

/sbin/kextunload -b com.apple.driver.AppleTCOWatchdog

Well, the read-write instructions worked OK, but vim and su didn’t — looks like Leopard strikes again. That means the well-intentioned line about adding to rc.local didn’t work easily since there’s no editor, and now I have to find vi somewhere else so it will work. Instead I went with the lazy method described on the watchdog detail page:

echo "/sbin/kextunload -b com.apple.driver.AppleTCOWatchdog" >> /etc/rc.local

which worked. Huzzah for Echo. Timezone time…

echo "/bin/ln -sf /usr/share/zoneinfo/US/Pacific /etc/localtime" >> /etc/rc.local

Erg. Big stopsign as my ATV is now rebooting after a few minutes. Not the 58 seconds described in the Watchdog writeup, maybe ATV2 is different… reverting…

-bash-2.05b$ sudo mv /etc/rc.local .
Password:
-bash-2.05b$ ls
Desktop         Library         Music           Pictures        Sites
Documents       Movies          MythFE.tar      Public          rc.local
-bash-2.05b$ ls /etc/mach_init.disabled/
ripstop.plist
-bash-2.05b$ sudo -s
bash-2.05b# mv /etc/mach_init.disabled/ripstop.plist /etc/mach_init.d/

so the ripstop.plist is back in place and rc.local is hidden. Waiting now to see if that stops the rebooting. It did.
OK, so moving to install nitoTV (after downloading it to my local downloads, and since there’s no unzip on the ATV) since it claims to kill the watchdog in 2.1:

mac$ tar cvf ~/nitoTV.tar -C /Users/mps/Downloads/ nitoTV.frappliance
mac$ scp nitoTV.tar frontrow@appletv.local:~

atv$ sudo -s
atv# tar xvf nitoTV.tar
atv# mv nitoTV.frappliance/ /System/Library/CoreServices/Finder.app/Contents/PlugIns
atv# ps -ax | grep Finder
atv# kill [Finder PID]

Restarting Finder takes a while… interesting. Wow. That was a long time. Then reboot, then to safe mode, then to reboot again, then long startup but it worked. Sorta. No nitoTV visible anywhere. Fail.

Back to searching for a fix. OMFG there’s a different link to the same version of nitoTV that has an installer. Deep cleansing breath. Now deep cleansing code:

ATV$ cd ~
ATV$ rm -rf nitoTV.frappliance/
ATV$ sudo rm -rf /System/Library/CoreServices/Finder.app/Contents/PlugIns/nitoTV.frappliance/

Cleaned. Now to push the new installer version out there (I changed the folder name after unzipping since I dislike dealing with spaces on the command line):

mac$ tar cvf ~/nitoTV.tar -C /Users/mps/Downloads/ nitoTV_Take_Two
mac$ scp nitoTV.tar frontrow@10.0.0.219:~
ATV$ tar xvf nitoTV.tar
ATV$ cd nitoTV_Take_Two/
ATV$ sudo ./installme
installer: Package name is nitoTV 0.4.8
installer: Installing onto volume mounted at /.
installer: The install was successful.
Restarting Finder...

And Finder did indeed restart – holy MACKEREL there’s a new entry. Reading the notes (wow, what a concept) it says it looks in /Users/frontrow/Applications for the apps… but that’s not where I put MythTV. So:

atv$ cd ~
atv$ mkdir Applications
atv$ mv /Applications/MythFrontend.app/ ./Applications/
mv: rename /Applications/MythFrontend.app/ to ./Applications/MythFrontend.app/: Read-only file system [ed: whoops, the installer tweaked my earlier settings]
atv$ sudo -s
atv# mount -o remount,rw /dev/disk0s3 /
atv# mv /Applications/MythFrontend.app/ ./Applications/

and presto! it appears in the Applications list within Nito. However, it dies fast. That’s OK, I know more about it now… having retrieved 10.4 versions of the files:

mac$ scp /Users/mps/vim frontrow@10.0.0.219:~
mac$ scp /Users/mps/nano frontrow@10.0.0.219:~
mac$ scp /Users/mps/su frontrow@10.0.0.219:~

atv# mv vim /usr/bin/
atv# mv su /usr/bin/
atv# mv nano /usr/bin/
atv# ln -s /usr/bin/vim /usr/bin/vi
atv# vi ~/.mythtv/mysql.txt
bash: /usr/bin/vi: Bad CPU type in executable
atv# nano
bash: /usr/bin/nano: Bad CPU type in executable

Well, curses! And here I thought we were going to work now… cleaning up again.

atv# rm /usr/bin/vi
atv# rm /usr/bin/vim
atv# rm /usr/bin/nano
atv# rm /usr/bin/su

So that means it’s not as easy as I thought… going back to the source disk:

mac$ sudo pax -r -p e -z -f /Volumes/Mac\ OS\ X\ Install\ Disc\ 1/System/Installation/Packages/BSD.pkg/Contents/Archive.pax.gz './usr/bin/vim'
mac$ sudo pax -r -p e -z -f /Volumes/Mac\ OS\ X\ Install\ Disc\ 1/System/Installation/Packages/BSD.pkg/Contents/Archive.pax.gz './usr/bin/nano'
mac$ sudo pax -r -p e -z -f /Volumes/Mac\ OS\ X\ Install\ Disc\ 1/System/Installation/Packages/BSD.pkg/Contents/Archive.pax.gz './usr/bin/su'
mac$ scp /Users/mps/usr/bin/vim frontrow@10.0.0.219:~
mac$ scp /Users/mps/usr/bin/nano frontrow@10.0.0.219:~
mac$ scp /Users/mps/usr/bin/su frontrow@10.0.0.219:~
atv# mv vim /usr/bin/
atv# mv su /usr/bin/
atv# mv nano /usr/bin/
atv# ln -s /usr/bin/vim /usr/bin/vi
atv# vi ~/.mythtv/mysql.txt

Ladies and Gentlemen, we have an editor! Of course, for some odd reason vi isn’t accepting my keyboard arrow mappings, so we shift to nano…

nano ~/.mythtv/mysql.txt

Update the settings. Restart the ATV. Pick the MythFrontend.app – and no joy. Found another page on AwkwardTV that references the fonts issue mentioned on the MythTV HowTo, trying those steps:

mac$ scp /Library/Fonts/Trebuchet\ MS* frontrow@10.0.0.219:~
mac$ scp /Library/Fonts/Arial* frontrow@10.0.0.219:~
mac$ scp /System/Library/Fonts/Geneva.dfont frontrow@10.0.0.219:~

atv$ sudo su
su: initgroups failed: Operation not permitted [grrrr, guess this isn't as easy as it should be]
atv$ sudo -s
atv# mv Arial* /Library/
atv# mv Trebuchet\ MS* /Library/
atv# mv Geneva.dfont /System/Library/Fonts/
atv# shutdown -r now

Wait for reboot… go to the app… we have a setup screen! Many notes say it’s easier to set it up from VNC than on the remote, so next step is setting up VNC.

atv# echo 71463E00FFDAAA95FF1C39567390ADCA > /Library/Preferences/com.apple.VNCSettings.txt
atv#  sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -configure -clientopts -setvnclegacy -vnclegacy yes
sudo: /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart: command not found

Oops, broke. OK, looking for VNC instructions for a Take2 version (scroll down on that page):

atv# cd ~
atv# sudo dd if=/dev/disk0s2 of=recovery.dmg bs=1m
atv# sudo hdiutil mount recovery.dmg
atv# sudo hdiutil mount /Volumes/Recovery/OS.dmg
atv# cp -pr /Volumes/OSBoot\ 1/System/Library/CoreServices/RemoteManagement/ /System/Library/CoreServices/RemoteManagement
atv# cp -pr /Volumes/OSBoot\ 1/System/Library/Perl/ /System/Library/Perl/
atv# cp -pr /System/Library/Perl/Extras/5.8.6/ /System/Library/Perl/5.8.6/
(already created the VNCSettings.txt file above, if you skipped that do it now)
atv# /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -configure -clientopts -setvnclegacy -vnclegacy yes
atv# /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -activate -configure -access -on -users frontrow -privs -all -restart -agent -menu
atv# /System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/MacOS/AppleVNCServer

… but it keeps running in your SSH session, so that’s not 100% ideal. Well, tradeoffs… I can afford another SSH session

So I downloaded Chicken of the VNC to get access. It worked pretty well, but then the screensaver took over and I couldn’t see what I was doing. Rebooted the ATV and went to the screensaver, turned it to “Never”. After all, I turn off my TV, not let it burn energy just for the heck of it.

OK, so I can’t get the remote to work now. Monkeyed around with trying to get a local keyboard working and no luck there either. I’m stymied. Time to ask on the forums.

Wow, I was putting together my MythTV machine and it was OK until I had to get my remote front-end working. Because of the WAF, I selected a small machine – the Hauppage MediaMVP. What I didn’t recognize was that the documentation for getting it running… umm… stinks. Or at least is severely misleading (http://www.mvpmc.org/ mvpmc-HOWTO-singlehtml.html, not linked so you don’t try and use it. I should have noticed when it used software 13 versions old.). Or is really hard to find. So here’s my trials and tribulations and fixes, for anyone who is doing it.

Add to Ubuntu (Feisty Fawn) to get the mvpmc code loaded:

apt-get install atftpd tftp
mkdir /tftpboot
chmod a+rwx /tftpboot
export TFTPBOOT=/tftpboot
cd /tftpboot/
wget http://downloads.sourceforge.net/mvpmc/dongle.bin.mvpmc-0.3.3?modtime=1169 586056&big_mirror=0
ln -s dongle.bin.mvpmc dongle.bin.mvpmc-0.3.3
ln -s dongle.bin.mvpmc-0.3.3 dongle.bin.mvpmc

but then I was shocked to find that while the config files for inetd were created, there was no inetd. So…

apt-get install xinetd tcpd
apt-get install nfs-common nfs-kernel-server
cd /etc
e exports
ls /media/hdb1/mythtv/recordings/
/etc/init.d/nfs-kernel-server start
/etc/init.d/nfs-common start
update-rc.d nfs-kernel-server defaults

and then it wouldn’t read the config file. Time to add the setting to have xinetd use inetd.conf…

e /etc/init.d/xinetd
add in flag: -inetd_compat

I learned that the instructions on mvpmc.org are pretty specific to the first generation of the machine, the H1. However, those aren’t made any more… and once I got into trouble, each piece turned out to be challenges with the version. I’ve got an H3. For that, you need a special service that whispers magic incantations into the ear of the MVP. It also needs a significantly different guide… and after searching and searching (has VLC notes for future) and searching (supersweet detail, enough to choke on and more, which also gave me the link to…) I finally stumbled across on http://mvpmc.wikispaces.com/ and started getting more progress on MythTV setup… well, almost…

e mvpboot.pl

and I then went spelunking into mvpboot.pl and mvprelay.c -

perl -MCPAN -e shell
install Net::Interface
apt-get install initrd-tools gcc
dd if=dongle.bin.mvpmc-0.3.3 of=dongle.bin.ver bs=1 count=40 skip=5

So once again I’m thrilled by Debian/Ubuntu and their dependencies… as well as the prompts (when you run a nonexistent program, Ubuntu now suggests packages to install that provide the command you’re trying to use… very cool). But I hate how I rely on them, because I thought once I actually installed GCC that it would work. I finally was googling and found I was still missing one big piece:

apt-get install build-essential

and now all the compilation stuff worked and Perl was happy. Argh!

I then started fighting my drive definitions… I had partitioned my three drives in a marvelous way, redundancy for the OS and big space for the media:

Mirrors on drive 1 and 2:

• 100mb – /boot
• 2gb – swap
• 28gb – /

One big XFS drive (3) for media:

• 400gb – /media

except it appears Ubuntu uses /media for its mount space, and somehow my brain didn’t register that. So when the folder was there, I thought it would have my big space… but no. Fought with fstab a while and eventually got it so the last drive moved to /mediafiles and all started working.

Now the shiny stuff. MVPMC can stream music from a central server, too…

apt-get install slimserver

and it didn’t work that well when I put it in. All I could get was a statement from Live365 that I wasn’t logged in. Shockingly, when I went to the SlimServer instructions and did some basic configuration it worked. Who’da thunk it?  I also had to chmod 777 to get it to read the media… I’ll clean that up later.

Other MythTV bits:

apt-get install mythweb mythmusic mythvideo mythplugins ogle mplayerapt-get install vlc videolan-doc

Followed the instructions on setting up vlc. It also said I needed mpslave to use aacPlus or Real Audio streams… right now I don’t need that bad enough to do the work. It’s not working yet, so I’ll have to poke it more later.

What remains? Glad you asked…

• For some reason the network connection is running at 10mb Half Duplex. Since it happens with other computers on that drop I think it’s a switch or wire problem.
• mplayer on my mvpmc only shows streaming radio successfully from live365 and the other XML is having parsing errors.
• slimserver is cataloguing AAC files from iTunes but not playing them, even the unencrypted ones
• I have to set up playlists and my local radio stations as m3u links so we can use them also… should be easy, just has to be done…
• I want to get the ReplayTV and Filesystems menu items to not display, which should be doable according to the commandline argument writeup but it somehow isn’t.
• Live TV isn’t running yet (but we almost never watch live TV so I don’t care much)
• Get VLC working
• Clean up the /mediafiles/music chmod 777 hack
• Oh yeah, and getting it working with remote systems so I can drive the other two TVs. I’m going to see if I can get my hands on an AppleTV to get a richer interface for the Myth frontend and still have iTunes playback work for the stereo… that might be better for music playing. Not to mention then it will have HDMI or composite video which would be very good if we upgrade our TVs anytime in our life… sigh.

Reviewed by Slashdot, Project Arcade looks to be interesting… even just as a buying guide…

Technorati Tags: arcade, MAME, fun

So today was the installation of MythTV…

I used the MythTV reference for Ubuntu Dapper and the associated Dapper IVTV installation guide and while it seems pretty comprehensive I think it could be faster if packages were grouped to all install at the same time instead of explaining so much. I mean, I’m curious to know why they’re important but the fact that I have to use apt-get two dozen times instead of once or twice is silly.

It’s interesting, too, that on each new kernel installation the driver for the Hauppage 150 card is required to be reinitialized. So here are the commands for quick reference:

sudo m-a update,preparesudo m-a a-i ivtvsudo depmod -a

Unclear in the instructions was the creation of the database needed… here’s the setup instructions

and borging up the joint was the missing Qmysql3 driver…
apt-get install libqt3-mt-mysql


Local cached version of the arcade console article page that lists who makes them.

Family DVDs

• Best Of The Electric Company
• Indiana Jones trilogy
• Amadeus (original release preferred; director’s cut O.K.)

Family CDs

• The Morning Service from William Byrd’s The Great Service, sung by the King’s Singers, Cambridge

Allyndreth

• Dancing leotards/tutu dresses (size 6X or 7/8…always go larger if in question)
• Beading set to make necklaces and bracelets
• Christmas Ornaments
• Bicycle basket
• Hula Hoop (with rattle sound)
• Nutcracker Suite CD
• Electronic Darth Vader mask
• Kite
• “Cars” cars

Tyrian

• More and More Legos
• Christmas Ornaments
• Basket for bicycle
• Batting practice equipment
• Carpentry tools
• Carpentry kits
• A real football (blue, if possible)
• Electronic Darth Vader mask
• Kite
• Music box
• Spider Man sweat suit
• “Cars” cars
• Games (from Lawrence Hall of Science Web site http://lawrencehallofscience.stores.yahoo.net/familytime.html ):
  1. Dino-poly
  2. Cogno: The Alien Adventure Game
  3. The New Touch Game
  4. Mancala
  5. Tantrix

Christina

• Outdoor clock for patio
• Michael’s Craft Supplies Gift Card
• Cuisinart Food Processor
• Theater tickets
• Black metal frames from American Frame
• Plexiglass for framing posters

Matthew

1. Theater tickets
2. Black metal frames from American Frame
3. Books (titles below by Ringo (#2-9) are currently on sale at Amazon most@$4 each)
   1. Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman
   2. A Hymn Before Battle
   3. Gust Front
   4. When the Devil Dances
   5. Hell’s Faire
   6. The Hero
   7. Cally’s War
   8. Watch on the Rhine

Matt’s links are for product reference, probably more expensive than elsewhere so don’t just grab the default…

Well, I really like the idea of getting rid of all the bills and things but haven’t been convinced that it would be easy enough to do.  Perhaps going paperless might be easy enough now…