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2012-05-18 iBook G4 moving from Ubuntu to Debian

Last edit

Summary: lighttpd, Oddmuse

Changed:

< Create the directory, too:

to

> Create the directory and a config file, too:

Added:

> $ sudo editor /var/oddmuse/config

Added:

> Content of the config file:
> {{{
> $StyleSheet = "/wiki.css";'
> }}}
> Feel free to create a CSS file -- for the moment I'm just making sure that the default CSS isn't fetched from oddmuse.org.


In 2009, I installed Ubuntu on my old iBook G4. Today I decided I wanted to move to Debian because I wanted to have the same system at home as on my web hosting provider.

So, I downloaded debian-6.0.5-powerpc-CD-1.iso using bittorrent and booted the laptop from CD. I forgot a crucial sentence from my 2009 blog post: “When I installed it while connected to the network via ethernet cable, it offered to download and install the necessary driver for the wireless card.”

My laptop wasn’t connected to the network and now it’s like a computing brick: Even when I plug in the cable and reboot, I can’t ping anything. :( ← sad face in case you didn’t notice. Yes, I am very sad. Grrrr.

Also, my network uses WPA2 Personal encryption. I’m not sure I’m going to use Gnome or KDE (the last Orientalibombus setup I used was based on ratpoison. This is why I wanted a wireless network usable from the command line.

The solution was this:

  alex@subterraneobombus:~$ sudo cat /etc/network/interfaces 
  [sudo] password for alex: 
  # This file describes the network interfaces available on your system
  # and how to activate them. For more information, see interfaces(5).
  
  # The loopback network interface
  auto lo
  iface lo inet loopback
  
  iface eth0 inet dhcp
  
  allow-hotplug wlan0
  iface wlan0 inet dhcp
    wpa-ssid Schroeder
    wpa-psk *secret*

By plugging in the cable and using ifup eth0 I was able to download stuff from the Internet.

Stuff from the Debian Wiki I used:

  1. add non-free to your sources.list as described in the b43 section
  2. install wireless-tools
  3. install wpasupplicant
  4. install firmware-b43-installer
  5. run iwconfig and verify that wlan0 is there
  6. run iwlist scan as described in the command line section of the WiFi/HowToUse page

Use ifdown eth0 and ifup wlan0 to switch to the wireless network. To be honest, I needed to reboot in order for this to work. No idea why this was necessary.

On a Swiss-German Macintosh keyboard, I need the Alt key to access stuff like number sign, pipe, brackets and bracers.

! Alt key is used to access #[]|{}
keycode 64 = ISO_Level3_Shift
remove mod1 = ISO_Level3_Shift

! Command key is alt/meta
remove mod4 = Super_L
keycode 133 = Meta_L

! check out /usr/share/X11/xkb/symbols/ch
! keycodes:  normal shifted    ignored  ignored  Alt            Shift-Alt
! prevent shift-space from inserting an unbreakable space: it's too easy
keycode 65 = space  space      NoSymbol NoSymbol nobreakspace   NoSymbol
! use an endash instead of a hyphen for Alt Minus
keycode 61 = minus  underscore NoSymbol NoSymbol endash         emdash

Mozilla: Edit source.list and update… Except that it didn’t help with Google+. Watch out for the instructions on how to get the keyring (pkg-mozilla-archive-keyring). Don’t do that! Instead, install the User Agent Switcher and download the big list of user agents. Import it, replacing what you already have and switch to Firefox 12 or whatever.

Graphics performance: Based Installing Debian Linux on PPC Part IV - Configuring Stuff I did the following:

$ sudo aptitude install firmware-linux-nonfree ttf-mscorefonts-installer pommed mesa-utils
$ glxgears

This installs some fonts, firmware drivers, activates the buttons to dimm the brightness, and a tool to test the performance of the graphics card: glxgears. It shows less than 100 fps. Add the following file:

$ cat /etc/modprobe.d/radeon-kms.conf 
options radeon modeset=0

Restarted and now glxgears is giving me tenfold performance. Weird!

Web server: lighttpd and Oddmuse setup… first you need to install lighttpd, then:

$ sudo /usr/sbin/lighty-enable-mod 
$ sudo /etc/init.d/lighttpd force-reload

And finally create /var/www/cgi-bin/wiki# (forget about /usr/lib/cgi-bin) with the appropriate path to the Oddmuse script:

#!/usr/bin/perl
package OddMuse;
$DataDir = "/var/oddmuse";
do "/home/alex/src/oddmuse/wiki.pl";

Create the directory and a config file, too:

$ sudo mkdir /var/oddmuse
$ sudo chown www-data.www-data /var/oddmuse
$ sudo editor /var/oddmuse/config

Content of the config file:

$StyleSheet = "/wiki.css";'

Feel free to create a CSS file – for the moment I’m just making sure that the default CSS isn’t fetched from oddmuse.org.

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