Copy text file table in PDF or clipboard to different Excel sheet columns by parsing

1. Copy the table/data from text (or PDF). The data is now in the clipboard
2. Paste to an Excel worksheet
3. Then go to Data-> Text to columns. Now  Text import wizard will pop-up with the data displayed in it
4. Use the delimiting options(comma, fixed width etc) and specify the locations for each column to get the data into separate columns

Logging out a remote SSH session through BASH command line prompt (or another SSH login session)

#To list all login sessions

$ who
user1    pts/0        2011-02-11 10:44 (abc.xyz.com)
user2    pts/1        2011-02-13 14:41 (def.xyz.com)
user1    pts/7        2011-02-11 10:44 (abc.xyz.com)
user1    pts/8        2011-02-11 10:44 (abc.xyz.com)

#To kill a login session pts/7 of user1
#root can kill anyone, user1 can kill user1 sessions

$ pkill -9 -t pts/7

Real time monitoring of log files: Read from a file and print to the terminal stdout in Linux

1. If you need to write std out of a program log to a file

> program_command > logfile.log

2. and at the same time want to monitor it

> program_command | tee -f logfile.log

3. If you need to read from a log file  created by a running process onto your harddisk  in real time and stdout to terminal

> tail -f logfile.log

If you need to extract specific lines from the logfile
> tee -f logfile.log | grep 'your_specific_word'

4. Monitoring multiple job outputs in same window

Use multitail
http://www.vanheusden.com/multitail/features.html


OTHER LINKS
 A progress bar on your terminal
http://search.cpan.org/~fluffy/Term-ProgressBar-2.09/lib/Term/ProgressBar.pm

Installing R package and R-Commander GUI in OpenSUSE 11.3 Linux desktop for statistical computing and graphics

"R is a language and environment for statistical computing and graphics."
http://www.r-project.org/about.html


1. Add the openSUSE 11.3 repo to Yast
http://download.opensuse.org/repositories/devel:/languages:/R:/patched/openSUSE_11.3/

For other versions:
http://cran.r-project.org/bin/linux/suse/README.html

2. Search for 'R-patched' and 'R-develop' in Yast and install

Now you can type 'R' in terminal to run the program

3. Install R commander (GUI)
http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/installation-notes.html

a) Run R as root
b) Type "install.packages("Rcmdr", dependencies=TRUE)" without quotes
c) Choose a mirror
d) Installation and compilation would take several minutes based on your system config

Check for warnings in compilation. If you did not select 'R-develop', there would be lot of dependency errors.

3. To run R-commander GUI:
a) Type R in terminal
b) Issue this command: "library(Rcmdr)" without quotes. The GUI should pop-up now.



OTHER LINKS:
Another GUI
http://www.sciviews.org/SciViews-R/index.html


R and Python
http://rpy.sourceforge.net/rpy2_download.html
http://www.omegahat.org/RSPython/