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Raspberry Pi temperature logger written in Python

Posted 09-24-2013 at 04:45 PM by Pyplate

I wrote a Python script to read temperatures from a DS18B20 and log the temperatures in an SQLite database. I used Google charts to display data from the database in a chart on a web page. You can see how I set this up here: http://raspberrywebserver.com/cgiscr...rature-logger/
LQ Newbie
Posted in Uncategorized
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Old

උබුන්ටු වල Encrypt And Decrypt කරන හැටි...

Posted 09-22-2013 at 10:00 AM by sunjayasri

කරන්න තියෙන්නේ මෙන්න මෙච්චරයි , මේ මුදෘකාංගය Install කරගන්න..

$ sudo apt-get install gnupg


ඊට පස්සෙ ඉතුරු ඔකොම වැඩ ටික Terminal තිය්න්නේ එකේ...

Encrypting a file in linux

To encrypt a single file, use command gpg as follows:
$ gpg -c filename

To encrypt myfinancial.info.txt file, type the command:
$ gpg -c myfinancial.info.txt

Sample output:

Enter passphrase:<YOUR-PASSWORD>...
LQ Newbie
Posted in Uncategorized
Views 274 Comments 0 sunjayasri is offline
Old

MeX 13.10 64 bit Linux - for those who are impatient...

Posted 09-21-2013 at 05:42 PM by exton (Exton's Blog)

The system is a remaster of upcoming Ubuntu 13.10 - codenamed "Saucy Salamander", not yet released. The original system includes the Desktop Environment Unity 7.1 (Ubuntu). I have replaced Unity with KDE 4.11.1, Gnome 3.8.4, Gnome Fallback (Classic) 3.8.4 and Razor-qt 0.5.2. Everyone can on the spot (during live operation) compare the different four Desktop Environments. The system language is ENGLISH.

Program content etc
Among many other programs LibreOffice, Thunderbird,...
ExTiX Admin
Views 324 Comments 0 exton is offline
Old

Append something to the top of a file, in bash, without a temporary file

Posted 09-21-2013 at 03:04 PM by the dsc (linux-related notes)
Updated 09-21-2013 at 03:06 PM by the dsc

Using echo "something" >> extantfile.wtv may be handy way to add something to a file, but it will only add to the end.

The closest thing one would more likely imagine to add something at the top would be something like combining echo/whatever and a cat into a temporary file, and then moving it into the old file. Or maybe something crazy with tac and rev.

But it's possible to skip the temporary file:

echo -e "$(grep -A 1 patternX source-of-bit-to-append)\n$(cat...
Member
Posted in Uncategorized
Views 308 Comments 0 the dsc is offline
Old

Xfce 4.10 up and running on LFS.

Posted 09-19-2013 at 08:32 PM by ReaperX7

Good news everyone!!!

Today I got my LFS booted to the desktop and now have Xfce working. I even have xfce-terminal working and plan on working some more tomorrow to give the system a few extra packages!

Huzzah!!!
Senior Member
Posted in Uncategorized
Views 262 Comments 0 ReaperX7 is online now

  



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