yum install bootchart

Once installed you simply need to enable a grub entry to call it.  You just need to add the init=/sbin/bootchartd string to the end of the kernel settings.

I actually copied the existing kernel entry and added it (incase I mistyped something)

title Fedora (3.1.6-1.fc16.i686.PAE) with bootchart
    root (hd2,0)
    kernel /vmlinuz-3.1.6-1.fc16.i686.PAE ro root=/dev/md126 rd_NO_LUKS rd_NO_LVM rd_NO_DM    LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 \
          KEYTABLE=de-latin1-nodeadkeys rhgb \
          quiet nouveau.modeset=0 rdblacklist=nouveau \
          init=/sbin/bootchartd
    initrd /initramfs-3.1.6-1.fc16.i686.PAE.img

Now when I reboot and select this grub entry a bootchart file is written to /var/log/bootchart.tgz

Then run the bootchart command to generate an image of the results.

I really expected it to be a memory problem so I needed to enable memtest86+ on my new fedora installation.

I quickly found http://fooninja.net/2011/05/05/loading-memtest-from-grub-fedora/

This is still valid.

Simply append

title Memtest86+ (4.10)
    root (hd0,4)
    kernel --type=netbsd /elf-memtest86+-4.10

to the end of the /boot/grub/grub.conf and reboot

Voilà errors now I just need to figure out which memory to take out

See
http://www.omgubuntu.co.uk/2011/05/disable-the-resize-grip-in-ubuntu-11-04/

You simply need to add

style "default-style"
{
  GtkWindow::resize-grip-height = 0
  GtkWindow::resize-grip-width = 0
}

class "GtkWidget" style "default-style"

to your ~/.gtkrc-2.0 file.

After a little searching I found

• http://www.worthytips.com/14681/easily-disable-overlay-scrollbars.html
• http://www.matbra.com/en/2011/04/28/remover-ou-desabilitar-a-barra-de-rolagem-overlay-ubuntu-11-04/
• and many more.

Simply add the string “export LIBOVERLAY_SCROLLBAR=0″ into the /etc/X11/Xsession.d/80overlayscrollbars file.

E.g perform the following as root

echo "export LIBOVERLAY_SCROLLBAR=0" > /etc/X11/Xsession.d/80overlayscrollbars

I read that Blender and the Space Navigator worked under Linux and managed to borrow a Space Navigator from work over this long weekend.

I downloaded the 32bit drivers (3DxWare for Linux (i386)) from http://www.3dconnexion.com/service/drivers.html as well as the “Blender plug-in for Linux i386 (beta)“

Installing the Space Navigator driver

I extracted the 3dxware-linux-v1-4-3.i386.tar.gz file to /tmp/3d/

tar -xvzf 3dxware-linux-v1-4-3.i386.tar.gz -C /tmp/3d/
cd /tmp/3d/
sudo ./install-3dxunix.sh

I then recieved an error saying libXm.so.3 was missing.

/etc/3DxWare/daemon/3dxsrv: error while loading shared libraries: libXm.so.3: cannot open shared object file: No such file or directory

I pressed CTRL-C to abort the script.

After a little checking I found that I have libXm.so.4 but not 3, so I created a symbolic link from libXm 4 to 3.

sudo ln -s /usr/lib/libXm.so /usr/lib/libXm.so.3

I then re-ran the install script again.

This time it all worked.  I did not configure it to auto start though.

Now I simply started the driver via

sudo /etc/3DxWare/daemon/3dxsrv -d usb

and was greeted by the blue lights on the Space Navigator and the messages

3DxWareUNIX = V1.4.3
Device      = SpaceNavigator
Firmware    = V3.17

there was also a minimised window called 3DxWare 1.4.3, which appears the be the settings dialog (like the Windows Control Panel control)

I then ran the xcube example from /tmp/3d/ and the space navigator worked great.  I changed a few settings as I prefer pressing and pulling to be zoom in and out.

Installing the Blender plugin

I was a little surprised by this, as the forums said I should have a ~/.blender/ directory and I didnt.

I decided that creating the directory couldn’t cause any problems so I created a directory

mkdir -p ~/.blender/plugins/

and copied the 3DxNdofBlender.plug file into it.  The new NDOF icons appeared at the bottom of the viewport.  See http://www.blender.org/development/release-logs/blender-246/ndof-support/

Most of the setup was easy, the only issue I found was that Ubuntu uses Alt-Middle Mouse to resize the windows. I have used xfce for years and I just couldn’t get used to this change in Ubuntu.

I did alot of searching and could not find out how to change it.

…. some hours later …

Well I finally managed to get Ubuntu to resize with Alt-Right Click (button3).

By default Ubuntu resizes with Alt-Middle Mouse Button, my laptop mouse has a very small middle mouse button. I use xfce on my other linux boxes and I wanted all the Window Managers to function the same.

I tried installing the CompizConfig Settings Manager. I then disabled the Window Menu which was using Alt-Button 3 and went to the resize window setting and made that Alt-Button3. This seemed to be ok, until I tested it. The Alt-Button 3 was still showing the Window Menu.

I tried disabling the Window Menu totally, but the settings simply wouldnt stay.

After a bit of searching I found this.
https://bugs.launchpad.net/ubuntu/+source/compizconfig-settings-manager/+bug/146736
where it says:

open ccsm, go to Preferences, and if gconf is selected as a back-end, then make sure that the checkbox “Enable integration into the desktop environment” is unchecked.
Now you change change the bindings.

I’m not 100% what the “Enable integration into the desktop environment” checkbox provides, but everything seems to work ok with this checkbox disabled.

Also see http://wiki.compiz.org/CCSM#Backends_and_Integration

This workaround only works when you have the visual affects no though.  If you turn off the visual affect then compiz isnt controlling the right click any more and it goes straight back to opening the Window Menu.

I’m still trying to get the window manager to resize on right click without the visual effects being enabled. If anyone know, please let me know.

(defun indent-buffer ()
    "Indent the current buffer"
    (interactive)
    (save-excursion (indent-region (point-min) (point-max) nil))
)

I found the above function at http://www.emacswiki.org/cgi-bin/wiki/ReformatBuffer

Recently I noticed that it was leaving tabs in (which I hate) and trailing spaces.  It was simply just indenting the buffer.

After some more searching today I found the untabify command and I created the following commands.  Mainly because I expected the command to be called something like tab-???

(defun untabify-buffer ()
    "Untabify current buffer"
    (interactive)
    (save-excursion (untabify (point-min) (point-max)))
)
 
(defun tab-to-spaces ()
    "Convert tab to spaces"
    (interactive)
    (save-excursion (untabify (point-min) (point-max)))
)

I then found this page, http://emacsblog.org/2007/01/17/indent-whole-buffer/ which has the best indent/format buffer function.

(defun indent-buffer-2 ()
    "Indent the buffer 2"
    (interactive)
    (save-excursion
        (delete-trailing-whitespace)
        (indent-region (point-min) (point-max) nil)
        (untabify (point-min) (point-max))
    )
)

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I also had the same issue at home using rxvt-unicode

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on gentoo.

After lots of search last night I finally found the fix for urxvt.

Simply add this to your ~/.inputrc file

# home and end keys for rxvt
"\e[7~":beginning-of-line
"\e[8~":end-of-line

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I then tried this at work this morning and found it works on cygwins rxvt too.

watch life less ordinary a online As I have a linux box at work and a linux box at home I decided to try and setup some simply one way mirroring system.  I.e. mirror documents from work to my home PC.

I looked at using unison, which I used to mirror many other directories but I couldnt get it to connect out from my work PC.   It appears to lack socks support.  I know I could use ssh port forwarding to sync via sockets but this would be more complicated.

I decided to use rsync

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via ssh.

There was one main issue though, I needed to get ssh to work over our proxies.  We have a few http proxies and 1 socks proxy.  The http proxies will not connect to arbitrary ports so I ended up using the socks server.

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I knew the socks server worked as I’ve used it with putty watch hannah montana the movie online for years, so I just needed to figure out how to setup ssh to use it.

After lots of search and finding articles regarding port forwarding and nothing about using a socks proxy I found 1 good article.

I use gentoo linux so I emerged net-misc/connect which supports socks servers.

emerge -auv net-misc/connect

Once I had the connect utility installed I needed to edit my ssh config file.  I only have 1 user configured on my linux box at work so I edited the ~/.ssh/config file.

This is what I added

Host stokebloke.com
ProxyCommand connect -S user@socks-server:1080 %h %p

Host www.stokebloke.com
ProxyCommand connect -S user@socks-server:1080 %h %p

Host homebox.homelinux.net
ProxyCommand connect -S user@socks-server:1080 %h %p

You can also do the same thing with cygwin too.  Instead of using connect program its called connect-proxy in the network section of the cygwin installer.

After I got this far I needed to configure rsync to work via this ssh connection which, it turns out, is very simple.

rsync --progress -avrz -e ssh src_dir/ user@homebox.homelinux.net:~/dest_dir/

This results in the src_dir existing inside the dest_dir.

I found FlowPlayer and it works really well. I used to use flvtool to encode videos as flv files but it is not part of gentoo and I had to keep manually downloading and building it all the time to get the updates.

I recently found this article which shows how to use ffmpeg to encode videos as flv files.

ffmpeg -i video.avi -ar 22050 -ab 32 -f flv -s 320x256 video.flv

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I then use the flv with FlowPlayer like this

<object type="application/x-shockwave-flash"
    data="/include/FlowPlayer.swf"
    width="320"
    height="284"
    id="FlowPlayer1">
  <param name="allowScriptAccess" value="sameDomain" />
  <param name="movie" value="/include/FlowPlayer.swf" />
  <param name="quality" value="high" />
  <param name="scale" value="noScale" />
  <param name="wmode" value="transparent" />
  <param name="allowNetworking" value="all" />

  <param name="flashvars" value="config={
		autoPlay: false,
		loop: false,
		initialScale: 'scale',
		showLoopButton: false,
		showPlayListButtons: false,
		playList: [
			{ url: '/media/tux_07.flv' }
		]
		}" />
</object>

See Hintertux 2007 for an example.