Tags » Computer

Difference between port and socket

A port is part of the address in the TCP and UDP protocols. It is used to help the OS identify which application should get the data that is received. 709 more words


UBUNTU Interview questions

1) Explain why Ubuntu is safe and not affected by viruses?

  • It does not support malicious e-mails and contents, and before any e-mail is opened by users it will go through many security checks…
  • 1,058 more words

Installation error or apt-get command stucked in middle of installation in ubuntu -- steps needed to execute


Open new terminal check the process id using the command ps-a

Kill the process using kill command (kill process_id)

Give the following commands:
# rm /var/lib/apt/lists/lock
# rm /var/cache/apt/archives/lock
# rm -f /var/lib/dpkg/lock
# rm -f /var/cache/apt/archives/lock
# rm /var/lib/dpkg/lock

# dpkg --configure -a

And now proceed for new installation,

If any of the previous installations are still giving errors while installation
       sudo apt-get purge $(dpkg -l|grep ^rc|awk '{ print $2 }')
 and then,
# apt-get autoremove
# sudo apt-get install -f

If any debconf problem occurred while the command… 37 more words

Don't print your own photos - But if you do, do it right!

I don’t normally do prints at all, either printing myself or getting them printed. As the years gone by, I’ve gotten more and more digital all the time. 476 more words


Remove The Password Of A Password Protected PDF Files in UBUNTU

This brief tutorial describes how to remove the password protection from the PDF files. Please note that we are not going to hack or crack the password of PDF file. 277 more words


iView iMac concept

“Nuno Teixeira” really knows his way a round computers, making him a natural choice to design the “iView iMac concept.” The intriguing iView is curved to complement the human eye and features a second screen on the back – presumably for those with eyes in back of their heads. 23 more words