Picasa Installation Error on Ubuntu

So Picasa has failed to install on my Ubuntu box. The caveat is that it also prevented me to install any other packages and gave the following error whenever i tried to install something:

ubuntu previous installation hasn't been completed

I suspected it was Picasa, but to verify, I opened up a terminal and typed the following:

sudo apt-get -f install

and I got the following error message:

The package Picasa needs to be reinstalled, but I can’t find an archive for it.

The solution to this is to cleanup the incorrectly installed package (Picasa or else) via the following:

dpkg --remove --force-remove-reinstreq picasa

That solved the problem for me. I haven't tried reinstalling Picasa though.

Cite as:
Saad, T. "Picasa Installation Error on Ubuntu". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/08/picasa-installation-error-on-ubuntu.html?m=0

How to Change Computer Name or Hostname in Linux

The hostname is stored in the file

/etc/hostname

You can edit that with your favorite editor. I use emacs:

sudo emacs /etc/hostname

You will also need to match that in

/etc/hosts

Cite as:
Saad, T. "How to Change Computer Name or Hostname in Linux". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/08/how-to-change-computer-name-or-hostname.html?m=0

How to Start emacs Inside a Terminal

use:

emacs -nw

Cite as:
Saad, T. "How to Start emacs Inside a Terminal". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/08/how-to-start-emacs-inside-terminal.html?m=0

Extract Multipart rar Files in Linux

Open up a terminal and browse to the directory where the multipart rar files are and type

unrar x thefile.part1.rar

Cite as:
Saad, T. "Extract Multipart rar Files in Linux". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/08/extract-multipart-rar-files-in-linux.html?m=0

How to Kill a Process in Linux

First, identify the PID for the process that refuses to end. Open up a terminal and type

top

To close top, type

Ctrl + c

now you're back in terminal. To kill the process, type

kill -9 PID

Hope that works!

Cite as:
Saad, T. "How to Kill a Process in Linux". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/08/how-to-kill-process-in-linux.html?m=0

emacs, vim, svn, doxygen, and friends - Stocking your Unix Toolbox

Charles Reid, a doctoral candidate at the University of Utah and a very good colleague of mine, has kindly agreed to post some lectures from his summer "Scientific Computing Workshop" on PMAN. Charles is not only knowledgeable in all Unix related stuff (Unix, Linux, OSX), but also a very rigorous researcher. You can find his original workshop series on his website: http://charles.endoftheinternet.org/.

and here's part 2

Cite as:
Saad, T. "emacs, vim, svn, doxygen, and friends - Stocking your Unix Toolbox". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/07/emacs-vim-svn-doxygen-and-friends.html?m=0

How to Get CPU Info on Linux

Try:

cat /proc/cpuinfo

There's a lot more to this. You can learn about the /proc directory from this post: http://www.linux.com/archive/articles/126718

Cite as:
Saad, T. "How to Get CPU Info on Linux". Weblog entry from Please Make A Note. https://pleasemakeanote.blogspot.com/2010/07/how-to-get-cpu-info-on-linux.html?m=0