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Convert PDF to Text on Linux
Some people might encounter the experience that they can't view a pdf file they want from a terminal when no GUI is available. This is when pdftotext comes in handy. This utility allows you to export a pdf file to a plain text format and view from any text editor. It also allows you to export only certain parts of the pdf file. [ Read More ]
JSON and Browser Security
Found a good article about JSON and Browser security from Yui-Blog, and it shows you some guidelines to avoid bad practices when doing web development using JSON data format. The following are some quotes: [ Read More ]
Robot.txt Generator From Google
Don't know how to create a robot.txt file yourself? No worries, Google's webmaster tools can help you with this. Simply visit their blog here and follow the instructions: [ Read More ]
Useful Linux Commands
I have compiled a list of useful linux commands for day to day operation.
make a pdf of a manual page
Run a low priority command
Go to previous directory
Go to dir, execute command and return to current dir
Make compressed archive of dir/
Extract archive (use gzip instead of bzip2 for tar.gz files)
Display a calendar for a particular month year
What date is it this friday.
What day does xmas fall on, this year
Convert seconds since the epoch (1970-01-01 UTC) to date
Email reminder
Show name and version of distribution
Show all partitions registered on the system
Download url at 1AM to current dir
You can find more commands from Linux Commands - A Practical Reference.
Or more on Top 10 Best Cheat Sheets for Linux Commands [ Read More ]
make a pdf of a manual page
user@www$ man -t man | ps2pdf - > man.pdf
Run a low priority command
user@www$ nice <command>
Go to previous directory
user@www$ cd -
Go to dir, execute command and return to current dir
user@www$ (cd dir && command)
Make compressed archive of dir/
user@www$ tar -c dir/ | bzip2 > dir.tar.bz2
Extract archive (use gzip instead of bzip2 for tar.gz files)
user@www$ bzip2 -dc dir.tar.bz2 | tar -x
Display a calendar for a particular month year
user@www$ cal 9 2008
What date is it this friday.
user@www$ date -d fri
What day does xmas fall on, this year
user@www$ date --date='25 Dec' +%A
Convert seconds since the epoch (1970-01-01 UTC) to date
user@www$ date --date='@2147483647'
Email reminder
user@www$ echo "mail -s 'reminder' user@address.com < /dev/null" | at 20:00
Show name and version of distribution
user@www$ head -n1 /etc/issue
Show all partitions registered on the system
user@www$ cat /proc/partitions
Download url at 1AM to current dir
user@www$ echo 'wget url' | at 01:00
You can find more commands from Linux Commands - A Practical Reference.
Or more on Top 10 Best Cheat Sheets for Linux Commands [ Read More ]
DIV Element Height Problem In IE6
I have spent nearly a day to fix an IE6 problem which doesn't allow me to give a height of less than 10px to a div element, which contains a small icon background. I did it using: [ Read More ]