Computer Geeks

 Qualities required by the programmers  Memory Observation Critical Thinking KISS Principal Learn, Unlearn, Relearn Frugality I have only listed out the skills needed for problem solving, skills like team work, communication, .., etc are not discussed but equally important. Memory Memory plays an important role in increasing the productivity of development.  When we search internet it may seem like we doesn't spend much time. According to several reports employees spend up to 30 % time searching for information.  On avg I spend 5 to 30 mins searching for answers depending on the problem.  But it doesn't mean you should memorize everything. Try to memorize things you use often. Which will definitely save a lot of time. There is another problem with memorizing is it creates Einstellung . Which is a mental block or mind set which we cannot think past. Observation  Observation also plays an important role in programming. We have go through all the lines of cod...

Step 1 : Installing App to take photo (optional if already exists) For more ways to take picture refer this article . $ sudo apt update $ sudo apt install ffmpeg Step 2 : Create script to save photos $ sudo gedit /usr/local/bin/takepic Paste the following #!/bin/bash filename=`date +%s` ffmpeg -f video4linux2 -s vga -i /dev/video0 -vframes 1 /tmp/$filename.jpg exit 0 Save and close. $ sudo chmod +x /usr/local/bin/takepic Step 3 : Configure PAM  Backup the original file $ sudo cp /etc/pam.d/common-auth /etc/pam.d/common-auth.orginal $ sudo gedit /etc/pam.d/common-auth Update auth    [success=1 default=ignore]    pam_unix.so nullok_secure To auth    [success=2 default=ignore]    pam_unix.so nullok_secure Add the following, next to the updated line auth    [default=ignore]               pam_exec.so seteuid /usr/local/bin/takepic Then save ...

 Step 1 : Choose any one of the following software ffmpeg streamer fsm Step 2 : Installation  Install ffmped  $ sudo apt update $ sudo apt install ffmpeg Install streamer $ sudo apt-get install streamer Install fswebcam $ sudo apt-get install fswebcam Step 3 : Sample shot Snapshot using ffmped $ ffmpeg -f video4linux2 -s vga -i /dev/video0 -vframes 3 /tmp/sample.jpg Snapshot using fswebcam $ fswebcam sample.jpg Snapshot using streamer streamer -f jpeg -o sample.jpeg   $ - requires given linux commands to be executed as a regular non-privileged user