Remove Universal Access Preference icon from Gnome panel

One of the advantages of using GNU/Linux operating system is that you hardly have to restart it. I have Debian on my laptop and it’s been running for months, until last night. It crashed and froze. Anyway, that’s not the main point this post was written. After restarting, I saw this new icon in the Gnome top panel (the third icon from the right): Well, for the start, I don’t know what it is and I don’t think I will have a need for it either. So I wanted to remove it, but right click on this icon would do nothing. Left clicked on it would give me some setting option, but nowhere does it mention how to remove it. ...

June 23, 2009 · 1 min · 213 words · kenno

Pidgin 2.5.5 – cannot connect to Yahoo messenger

I just noticed the abnormality with Pidgin 2.5.5 (running on Debian) these few days — I couldn’t connect my Yahoo messenger account at all. According to the discussion of Bug #389278 it appears that Yahoo was trying to change its protocol. A quick way to have Pidgin connecting to Yahoo messenger server again is to change the Pager server setting for the Yahoo account in Pidgin. To do this, from Pidgin: ...

June 20, 2009 · 1 min · 158 words · kenno

Debian JSON for Ruby

I tried to install JSON for Ruby via RubyGem, # gem install json and I got the following error message: Building native extensions. This could take a while...<br /> ERROR: Error installing json:<br /> ERROR: Failed to build gem native extension. <br /> /usr/bin/ruby1.8 extconf.rb install json<br /> extconf.rb:1:in `require': no such file to load -- mkmf (LoadError)<br /> from extconf.rb:1<br /> <br /> Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/json-1.1.6 for inspection.<br /> Results logged to /usr/lib/ruby/gems/1.8/gems/json-1.1.6/ext/json/ext/generator/gem_make.out<br /> ...

May 24, 2009 · 1 min · 120 words · kenno

apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName

Everytime I start apache2 (# apache2ctl start) this message is dispalyed: apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName Well, the site is still running despite the above notification. To fix it, we need to edit the /etc/apache2/httpd.conf or /etc/apache2.conf and add the following line: ServerName nameofserver Now, restart the apache server (# apache2ctrl restart) and should no loger see the previous message.

February 10, 2009 · 1 min · 70 words · kenno

HOWTO add user to sudoers list in Debian/Ubuntu

You need to have root access to do that. So the first step to become root with the following command: ken@debian:~$ su<br /> Password:<br /> debian:/home/ken# visudo<br /> Now you can add a username to the list. For example: <br /> ken ALL=(ALL) ALL<br /> Save the file to complete the process. Credit: Ubuntu Forum

January 27, 2009 · 1 min · 55 words · kenno