The History of the Internet

A nice animated video on the history of the Internet.

Most Useful Linux Commands

There are thousands of commands in Linux, mastering of all is almost impossible. So the better idea is to know the basic commands and their syntax. Following is a list of commands which are very often required:

Most Useful
1. ls
2. mount/unmount
3. cd
4. cd ..

Useful for basic administration
1. alias/unalias
2. df/du
3. switchdesk
4. tar: tape archive

• compress .tar: tar -cf
• extract .tar: tar -xf
• compress .tar.gz: tar -zcf
• extract .tar.gz: tar -zxf
• compress bzip (.tar.bz2): tar -jcf
• extract bzip (.tar.bz2): tar -jxf

5. time
6. whereis : locate binary, source, manual pages for command
7. grep
8. find
9. zip/unzip:

• compress (.zip): zip -r name_of_archive list_of_files
• extract (.unzip): unzip name_of_archive
• compress (.bz2): bzip2 name_of_archive list_of_files
• extract (.bz2): bunzip2 name_of_archive

Package Manager
1. Debian/Ubuntu:

• apt-get: sudo apt-get update/upgrade
  
• apt-cache: sudo apt-cache search kde3
• aptitude:
  
• dpkg: sudo dpkg -i xxx.deb
  

2. Fedora: yum
3. Suse: yast

Advanced
1. screen
2. nice/renice
3. xargs

Network

1. host - makes DNS lookup
2. ip - network interfacing utility

Advanced Administration



1. kubuntu distribution version: lsb_release -a
2. A simple text editor: ed
3. dump files in binary formats: od

Child Labor in Bangladesh

Horrible pictures of child labor in Bangladesh.

http://www.gmb-akash.com/view_gallery.php?album_id=16

Upgraded Kubuntu 8.10 to 9.04 Beta

Today I have upgraded my Kubuntu 8.10 Box to 9.04 (Jaunty). One noticeable problem is it does not start KNetworkManager at startup. This is already a known bug.

Want to do some video editing in Linux? Give Kdenlive a try.

1. Open terminal
2. sudo apt-get install kdenlive
3. Start kdenlive from Applications->Multimedia->Kdenlive

You will love it.

Can't imagine a better picture at the moment

The most beautiful lady in the world

Just installed Avro, a Bangla typing software

এইমাত্র অভ্র ইন্সটল করলাম। এটা বেশ ভাল সফটওয়্যার। আমি পসন্দ করছি। You can have a try. এটা ডাউনলোড করা যাবে:

http://www.omicronlab.com/

Can't we do more for them?

Are we doing enough? Can't we do more?

Control the sound from linux command line

Mute the sound
> amixer set Master mute
Unmute the sound
> amixer set Master unmute

Mute the pc speaker
>modprobe -r pcspkr
Unmute pc speaker
>modprobe pcspkr