BenV's notes

Software

Review: Fable 3

by on Jun.05, 2011, under Software

A short summary of my Fable 3 experience so far.

Fable III

Fable 3


First we install it, and immediately we notice the Windows Game Live Garbage Cancer. So far so bad.
However, apart from the login bugging me every time I start the game it works fine.

The game itself looks fine, better than the previous Fable I played at least. The story is pretty standard, you’re a prince and your evil brother – the king – is ruining everything.
You’re the hero who has to murder him. Or something.
So the first thing you do is shake everyone’s hand for 5 minutes, apparently people love you when you shake their hands long enough.
Then you go through the usual “Get kicked out of the castle and start your quest” ritual. Speaking of rituals, did I mention I hate unskippable cutscenes?
Especially when starting the game, who the fuck cares that Microsoft made the game…
Anyhow, after running around a bit and getting your first skills you find yourself in the familiar guild room, a safe place to save your game and switch clothes etc.
Reminded me of Baldur’s Gate’s pocket plane.

Next you go to villages to gather allies. Which means helping them out first. Which means shaking hands, and smashing monsters.
Oh yeah, “prove you’re a hero” so they can teach you how to use your sword and gun in addition to the magic you started off with.
Great great. In the second village your run into you can do minigames like Guitar Hero, only more retarded because there are only two buttons involved.
If that wasn’t easy enough already, they also have Pie Making Hero. Same game with only 3 notes per song. So before you know it you have enough money
to buy several houses. So much for that.

Other villagers give you quests after whistling to them for an hour (did I mention it gets really old, really fast?), and strangely they all need you to get the same hidden
package in the other village, or talk to the same retard in that other village to pass a message.
I’d like to get a list of my active quests, but that isn’t unlocked at this part of the game yet.
So I decided to go on with the story to unlock that part, but just after traveling back to the village my windows decided to BSOD. Probably related to that new NVIDIA driver update from yesterday.
Anyhow, I reboot windows, restart Fable 3, get through the sickening unskippable intro garbage, log into LIVE.
[Windows LIVE] Saaay, your savegame …. isn’t.
[BenV] What?
[LIVE] Your save is corrupt, so we’ll just start the game from scratch again. Would you like a Prince or a Princess?
[BenV] !(@3(@^$*&%^*(@$#(@*$%3*REBOOT*

So much for Fable 3 and windows.

UPDATE:
Just tried to get the game working in wine. With some hassle I got through the installation.
However, the game won’t start becaseu FS3Secu.exe crashes. Garbage DRM as always.
Couldn’t find a crack that would bypass this exe though, so no luck for Wine at the moment.

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Commandline XLS/DOC to PDF converting

by on Apr.04, 2011, under Software

Since this took me 5 years to find through google, this is another reference post.
Converting word and/or excel documents to PDF format should be easy.
Unfortunately it takes Libreoffice (or whatever your variant is today), but it works:

$ libreoffice -headless -convert-to pdf /tmp/bla.xls
convert /tmp/bla.xls -> /tmp/bla.pdf using calc_pdf_Export

No garbage paid for converters needed, just garbage libreoffice.

Update: since libreoffice is still the same garbage as openoffice (maybe it’ll improve some day) I ran into this error
on my production machine:

$ libreoffice -headless -convert-to pdf /tmp/bla.xls
[Java framework] Error in function createSettingsDocument (elements.cxx).
javaldx failed!

Apparently this is caused by libreoffice wanting to do some garbage in its home directory. Except for my headless user doesn’t have a workable home.
Oh yeah, there’s a -nofirststartwizard option but it doesn’t help. This is solved by setting HOME to /tmp for instance:

$ HOME=/tmp libreoffice -headless -convert-to pdf /tmp/bla.xls

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Xen, DRBD and live migration

by on Mar.10, 2011, under Software

Once again I have some new hardware that’s been labeled “Xen Server”.
This time I want to set it up in a way that brings some redudancy so we can actually have 1 server fail and still have our hosts up and running.
(or at least back up in a few minutes instead of several hours).
To achieve this goal I will install the latest version of Xen (which seems to be 4.01) and use DRBD with LVM for storage. (continue reading…)

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Another round of Adobe Cancer

by on Feb.24, 2011, under Morons, Software

Needless to say Adobe had an update today.
Since we’re running a windows 2008 server with users that don’t have administrator rights, Adobe is very annoying to start with.

<Adobe>”Hey I have an update! Oh, I can’t install it because you need administrator rights, but I’ll keep bugging you with it anyway, MWHOAHAHHAHA”

So if that isn’t enough already (and they have an update about every week … if not more often), the piece of cancer can’t even update. Even when running the updater as administrator:

Adobe Cancer Update

Mysterious fail

Of course it would be terrible to state what the problem is, so they only give you “Error: 1403” to work with.
Thanks Adobe, really useful. It’s unfortunate that some morons here insist on needing it (Because some idiot customers send us PDF files with chinese fonts and other rubbish that isn’t handled well in better pdf readers).

Feh.

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Mercurial on Windows vs Linux, spot the problem

by on Feb.17, 2011, under Software

Last week I upgraded our fileserver at work from Debian Lenny to Debian Squeeze.
Obviously a ton of stuff got ‘new’ (read: less ancient) versions, including Apache.
Apart from a reboot or two for new kernels and some config fixes everything went pretty smooth.

This week lotjuh ran into the problem that she couldn’t push to the mercurial repository from windows.
Strange, because everything worked fine from linux. Tested from both the windows 2008 server we have here and another windows 7 machine at home, the both broke with the same cryptic message:

c:\tmp> hg clone --insecure https://fileserver/repository
abort: error: _ssl.c:1325: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure

Huh. That’s weird.
Obviously google doesn’t help with this, you get some garbage results on how mercurial didn’t do jack with https certificates before version 1.7 and their struggle to implement it.

After some digging I found this in the apache logs:

[Thu Feb 17 12:10:51 2011] [error] [client 192.168.123.321] Re-negotiation request failed
[Thu Feb 17 12:10:51 2011] [error] SSL Library Error: 336068931 error:14080143:SSL routines:SSL3_ACCEPT:unsafe legacy renegotiation disabled

Feh. Somewhere old SSL libraries are being used! Windows… .always the same.

Solution:
In your apache ssl configuration (mods-enabeld/ssl.conf on Debian), add this:

SSLInsecureRenegotiation on

Note that this obviously isn’t a great solution, but it’s the only way to get it to work on windows at the moment.

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Linux Software Raid-1 issue

by on Jan.29, 2011, under Software

It just took me about an hour to figure this one out, so here’s the story for the next time I run into it.
Steps taken:
* New machine
* 2 harddisks (Western Digital Greens, so used wdidle3 on them!)
* Boot Slackware64 installer from PXE/NFS
* cfdisk, create 2 identical partitions, make bootable, set type to FD, write, quit
* mdadm –create /dev/md0 –raid-level=1 –raid-devices=2 /dev/sda1 /dev/sdb2
* install slackware64, grub2 and some other junk
* reboot

Sounds good right?
Well, for some reason the array kept booting up with only 1 of 2 disks active.
No errors or warnings, just kept fucking up. /proc/mdstat looked like

# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md0 : active raid1 sdb1[1]
39061952 blocks [1/2] [_U]

Adding /dev/sda1 back (mdadm /dev/md0 –add /dev/sda1) worked fine too, the array resync-ed without problems.

After about an hour of trying to recreate superblocks and that sort of stuff I found it:
The partition type of /dev/sda1 was set to 0x83 instead of 0xFD.
Thanks cfdisk, last time I used that piece of garbage. (I’m 100% certain I set them to 0xFD, but somehow it’s bugging for me lately in cfdisk).

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Why I hate lilo

by on Jan.11, 2011, under Software

Every time I install a machine with the latest Slackware, I’m amazed again at the installed boot manager – lilo.
Sure, lilo works. Most of the times. Even when you have a raid-1 boot device.
Unless you don’t have the latest version of lilo of course.

Today I tried to continue a Slackware64 (current) install of a machine that I installed a week ago.
It worked fine, was just about to install Xen when one of the disks started acting up.
Obviously SMART didn’t help for a bit
* Report – No errors!
* Short Self test – Your disk is fine!
* You want a long test that takes 4 hours? Your machine locks up before it completes, haha!
But when the disk kept failing every time when the md1 resync hit 36%, I yanked out the disk and sent it RMA.
Dmesg showed error like this:

[ 3362.784129] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 3362.784132] ata1.00: failed command: READ DMA EXT
[ 3362.784135] ata1.00: cmd 25/00:00:3f:60:f4/00:04:57:00:00/e0 tag 0 dma 524288 in
[ 3362.784135] res 40/00:00:02:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
[ 3362.784136] ata1.00: status: { DRDY }
[ 3362.784139] ata1: hard resetting link
[ 3364.002049] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 3364.009142] ata1.00: configured for UDMA/33
[ 3364.009148] sd 0:0:0:0: [sda] Result: hostbyte=0x00 driverbyte=0x08
[ 3364.009150] sd 0:0:0:0: [sda] Sense Key : 0xb [current] [descriptor]
[ 3364.009152] Descriptor sense data with sense descriptors (in hex):
[ 3364.009153] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 3364.009156] 00 00 00 01
[ 3364.009158] sd 0:0:0:0: [sda] ASC=0x0 ASCQ=0x0
[ 3364.009159] sd 0:0:0:0: [sda] CDB: cdb[0]=0x28: 28 00 57 f4 60 3f 00 04 00 00
[ 3364.009162] end_request: I/O error, dev sda, sector 1475633215
[ 3364.009174] ata1: EH complete

So today I figured I could continue installing with only half a raid-1 array.
But it didn’t boot (“Loading operating system…. *halt*).
I figured lilo must have been installed to the MBR of the disk that I yanked, so I booted from LAN and ran lilo.
Obviously lilo complained, because /dev/sda was only half the raid-1 array and disks were missing!
Fine. I changed my boot device to /dev/md0, hoping that lilo would get the hint.


# lilo
Warning: LBA32 addressing assumed
Fatal: Not all RAID-1 disks are active; use '-H' to install to active disks only
# lilo -H
Warning: LBA32 addressing assumed
Warning: Partial RAID-1 install on active disks only: booting is not failsafe

Warning: Faulty disk in RAID-1 array; boot with caution!!
Fatal: Unusual RAID bios device code: 0xFF

*sigh*
This is why I hate lilo. If it doesn’t work, it doesn’t work.
And it never tells you why. Or maybe it does, just like windows always tells you what’s wrong when you get a blue screen.

It’s probably this bug, but I don’t care. Always something.
Time to find the sources to grub.

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Humble Bundle Part 2!

by on Dec.16, 2010, under Software

Obviously when something is really successfull there will be a second version of it.
Whether the motive is pure profit or for the greater good of $omething, I can only applaud it.
Especially when they promote DRM free games on linux. (and they provide the mac and win32 versions with it as well)
So The Humble Bundle is back with part 2!

This time the games offered are: Braid, Cortex Command, Machinarium, Osmos, Revenge of the Titans.
Just Machinarium alone is worth the money (if you like puzzle games and artsy graphics), and the others that I’ve played so far are good as well.
Some games are still being developed (Revenge of the Titans), but you’re eligible for future updates. (last time they even added the bundle to Steam after a while).

Like the previous Humble Bundle, YOU get to choose how much you want to pay them.
This obviously means that if you’re a windows user you pay less than when you’re a mac or linux user 😉
And then you get to decide how much of that money goes to charity (EFF / Child’s Play) and how much of it goes to the developers. (and how much the humble bundle guys get… for bandwidth etc I’m sure).

So go get it!. Even if you don’t care about the games, you can give some money to the EFF instead 🙂

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W3 Validator bookmarklet

by on Dec.14, 2010, under Software

After messing around with JQuery and friends for quite a while at work and sometimes even for hobby stuff more and more pages turn into the AJAX jungle.
Fine for the user, but there’s one little thing that always annoys me: it becomes very hard to make sure you’re still creating valid (x)html.
Especially when you start using dynamic tabs!

Opera has this nice feature that when you hit CTRL-ALT-SHIFT-u it will upload your current webpage to the W3 Validator. (w3, w3c… what’s up with that…). However, when AJAX molests the entire page (and I’m not talking about soccer fans ;))… or worse, the entire page is loaded through AJAX this method of validation falls flat on its face. Don’t ask me why opera is so stupid, but it will upload the original html, and not the AJAX molested version. An option would be nice there.

So today I was fed up with html errors and made myself a nice little bookmarklet to validate your page. With verbose output. And stuff.
This is the current version, it will probably get shorter / better soon.

(function(){var h=document;var b=h.doctype;var e="\n';var g=h.documentElement.outerHTML;var f="http://validator.w3.org/check";var i={prefill_doctype:"html401",prefill:0,doctype:"inline",group:0,ss:1,st:1,outline:1,verbose:1,fragment:e+g};var a=h.createElement("form");a.setAttribute("method","post");a.setAttribute("target","_blank");a.setAttribute("action",f);for(var j in i){var c=h.createElement("input");c.setAttribute("type","hidden");c.setAttribute("name",j);c.setAttribute("value",i[j]);a.appendChild(c)}if(navigator.appCodeName=="Mozilla"){h.body.appendChild(a)}a.submit()})();

Or right click here and select “Bookmark Link” to put it in a bookmark.
Or left click it if you want to find out how terribly wordpress fails at it 🙂

* Tested a bit on Opera 11, Firefox might also work.
* Note2: work in progress. Bookmarklet last updated at 14-12-2010.
* Known bugs: Opera seems to post some tags without the closing tags.

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Monitoring your systems: Nagios and Check_MK

by on Sep.22, 2010, under Software

If you have one or more servers, you probably have a few things that you want to be up and running all the time. And when they aren’t working for some reason, you want to know about that as soon as possible and not 2 weeks later when you finally find out the hard way because your raid array has crashed completely.
Basically you want some kind of software that monitors the state of your services/servers. Well, most competent system administrators already have this up and running.
Nagios is capable of doing this. (continue reading…)

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