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by bubbl
Mon Jun 09, 2014 1:03 pm
Forum: Java
Topic: Google Alarm Clock goes JAVA
Replies: 0
Views: 1548

Google Alarm Clock goes JAVA

During the past few months I've been doing a lot of Java programming. A great opportunity occurred for me to actually grasp a new programming language. It was even more fascinating, as it didn't involve the ubiquitous in the Internet sphere 'learning to code' approach, i.e., take a course, learn to ...
by bubbl
Tue Dec 31, 2013 8:15 am
Forum: Beginners
Topic: Midnight Commander – Console Based File Manager for Linux
Replies: 0
Views: 3529

Midnight Commander – Console Based File Manager for Linux

When you work with a lot of files within console environment, you may find that your job is being quite tedious. You may be familiar with GUI environment File Managers, such as Nautilus, Thunar, or if you’re Windows user – File Explorer, Total Commander. Using a file manager on command line will spe...
by bubbl
Sat Dec 28, 2013 3:21 pm
Forum: Staffroom, classroom and projects
Topic: GNU Privacy Guard – The Basics
Replies: 2
Views: 1330

GNU Privacy Guard – The Basics

According to Edward Snowden in his QA session on the Guardian , much of the existing encryption is weak, so the NSA can frequently find ways round it, but there are strong crypto systems that can still be relied on. This means most of the available digital, wireless, wired encryption tools are, to b...
by bubbl
Sat Dec 28, 2013 2:36 pm
Forum: Beginners
Topic: Using VIM Text Editor
Replies: 9
Views: 6094

Re: Using VIM Text Editor

For those that are wondering why they should learn vi and it's brethren, it really boils down to this: Not every *nix system has nano, etc. However every *nix system has vi. So if you ever decide to venture into a career in IT, it is best to learn vi now. My daughter made personalized Valentines ca...
by bubbl
Sat Dec 28, 2013 2:25 pm
Forum: Beginners
Topic: Using VIM Text Editor
Replies: 9
Views: 6094

Using VIM Text Editor

Text editors are programs used to create or edit files. One of the most popular editors on Linux/Unix systems (also available for other platforms) is vim. Though it does take some time getting use to, this easy to follow HowTo will walk you through the essentials of using vim. Starting the vim text ...
by bubbl
Mon Dec 16, 2013 10:36 am
Forum: Polski
Topic: Polski - Czy jestes za utworzeniem grupy Polskiego jezyka?
Replies: 20
Views: 5493

Re: Polski - Czy jestes za utworzeniem grupy Polskiego jezyk

Davespice wrote:Hi there! I will speak to our team, but we need someone to be a moderator. Any volunteer?

Porozmawiam z naszym zespołem
Potrzebujemy osoby do kierowania forum
Ktoś wolontariuszem?
I am willing to volunteer. Nice Polish, by the way ;)
by bubbl
Tue Dec 03, 2013 11:49 am
Forum: Beginners
Topic: Using Command Line like a boss with screen
Replies: 2
Views: 672

Re: Using Command Line like a boss with screen

jamesh wrote:screen is one of my favourite things on Linux. Saves SO much time, especially when logging in and out of remote systems.
Indeed, it's a great tool. there is one more worth mentioning, tmux, some say it's better, but it's a matter of preference. I love screen for it's simplicity and ease of use.
by bubbl
Tue Dec 03, 2013 9:55 am
Forum: Beginners
Topic: Using Command Line like a boss with screen
Replies: 2
Views: 672

Using Command Line like a boss with screen

Hopefully, if you are using Linux command line, you've heard of screen. And if you've heard of it, chances are, you're already using it. I've wrote about one usage of screen on my previous blog post, explaining how to use it to access your Raspberry Pi via serial connection . Now, we're going to see...
by bubbl
Sat Nov 30, 2013 7:02 pm
Forum: Beginners
Topic: setup without screen nor keyboard
Replies: 8
Views: 2049

Re: setup without screen nor keyboard

Hello, I try to install my Pi without screen nor keyboard. I try http://n00blab.com/how-to-set-up-raspberry-pi-without-monitor/ or http://www.penguintutor.com/linux/raspberrypi-headless I put 2013-09-25-wheezy-raspbian.img on a SD card. I put it on my raspberry. My Ip is 192.168.1.12 I try the ssh ...
by bubbl
Sat Nov 30, 2013 6:42 pm
Forum: Beginners
Topic: Linux terminal - copy progress bar
Replies: 3
Views: 2691

Re: Linux terminal - copy progress bar

rsync -P as an alternative is close enough I think.
by bubbl
Sat Nov 30, 2013 6:39 pm
Forum: Beginners
Topic: Linux terminal - copy progress bar
Replies: 3
Views: 2691

Re: Linux terminal - copy progress bar

If you want to copy something using the command-line interface in GNU/Linux, then “gcp” is like the universal tool. But it seems to have dependency on running in an environment where X-windows is supported, even though it does not actively open a new window. pi@raspberrypi ~ $ gcp try.sh dummy Trac...
by bubbl
Sat Nov 30, 2013 6:18 pm
Forum: Beginners
Topic: Linux terminal - copy progress bar
Replies: 3
Views: 2691

Linux terminal - copy progress bar

If you want to copy something using the command-line interface in GNU/Linux, then “gcp” is like the universal tool. - lightweight and pretty user friendly. - supports copying files and folders. - you can copy single or multiple (lists) files & folders too. - shows a nice progress bar, size of the fi...
by bubbl
Sat Nov 30, 2013 6:13 pm
Forum: Graphics, sound and multimedia
Topic: Join multiple mpg files into one file
Replies: 1
Views: 659

Join multiple mpg files into one file

It's so easy it is to join mpeg files with just the windows copy command or unix cat command. On Windows the trick is to copy the files while preserving the binary format. Here is how you would do it: copy files1.mpg /b + files2.mpg /b joinedfile.mpg You could also do the following if the files are ...
by bubbl
Sat Nov 30, 2013 6:09 pm
Forum: Beginners
Topic: Protecting files/folders from unwanted deletion
Replies: 3
Views: 1335

Protecting files/folders from unwanted deletion

Protecting files from unwanted deletion is very important security on the tasklist of Unix Administrators. On Linux boxes you can use the chattr command and that works ine on all my Ubuntu based servers. Let’s give you some examples how chattr work under Linux: To make a folder undeletable, run: sud...
by bubbl
Sat Nov 30, 2013 6:07 pm
Forum: Graphics, sound and multimedia
Topic: How to burn subtitles into a video and edit subtitles in ter
Replies: 0
Views: 455

How to burn subtitles into a video and edit subtitles in ter

sudo apt-get install memcoder examples: if film.avi mencoder -ovc lavc -lavcopts vcodec=mpeg4 -oac copy -fontconfig -subfont-text-scale 2 -subpos 100 -sub sutitle.txt -subcp cp1250 -font /home/yourplace/.mplayer/fonts/subfont.ttf -o film_without_subtitles.avi film_with_subtitles.avi if film not.avi...
by bubbl
Sat Nov 30, 2013 6:03 pm
Forum: General discussion
Topic: Extracting pages from a pdf file using linux command line
Replies: 0
Views: 663

Extracting pages from a pdf file using linux command line

Pdftk is a tool which we can use to split or extract pages from a pdf document. To install pdfktk on debian based systems : $ sudo apt-get install pdftk. examples: 1. Let us say we have a pdf file,temp.pdf, with 100 pages in it. We want to extranct the pages 20 to 30 and create a new pdf . We can do...
by bubbl
Sat Nov 30, 2013 5:58 pm
Forum: Graphics, sound and multimedia
Topic: How to clone dvd under Linux?
Replies: 0
Views: 433

How to clone dvd under Linux?

K3B or Brasero !
Another solution: make .iso image in terminal:

Code: Select all

dd if=/dev/cdrom of=image_name.iso
and burn it :)
by bubbl
Sat Nov 30, 2013 5:53 pm
Forum: Graphics, sound and multimedia
Topic: Animate your jpgs
Replies: 0
Views: 307

Animate your jpgs

The command below to create an animated gif of your .jpg or .png images. Increase the delay time for a longer transition between images. Tack loop 0 will loop your GIF indefinitely. Tack loop 3 would loop three times, for example.

Code: Select all

$ convert -delay 120 -loop 0 *.jpg myimage.gif
by bubbl
Sat Nov 30, 2013 5:13 pm
Forum: General discussion
Topic: Security section/subsection
Replies: 31
Views: 4143

Re: Security section/subsection

OP - "but brute force attacks, etc. How would you protect yourself? How?" .htaccess file edit ? what if your server doesn't include .htaccess file and is using other services? you know that, but I assume there are people who don't know that. You make a very good point, and there I too would become ...
by bubbl
Sat Nov 30, 2013 5:11 pm
Forum: Polski
Topic: Polski [3]
Replies: 6
Views: 4500

Re: Polski [3]

u mnie podobnie, boot z sd, a reszta dzieje sie na zewnetrznych dyskach. powiedz mi, jaka wersje raspberry masz? Made in UK, czy Made in China? i jaki producent procesora? bo jest wielka roznica... Generalnie te Made in UK z procesorem Samsunga malo problemow sprawiaja, natomiast chinskie "zamiennik...
by bubbl
Sat Nov 30, 2013 5:07 pm
Forum: Polski
Topic: Polski - Czy jestes za utworzeniem grupy Polskiego jezyka?
Replies: 20
Views: 5493

Re: Polski - Czy jestes za utworzeniem grupy Polskiego jezyk

z moich doswiadczen w oficjalnej czesci forum, sznse sa nikle, takie male towarzystwo wzajemnej adoracji tutaj... a tak z innej strony, bo nie orientuje sie za bardzo, istnieja polskie fora posiwecane raspberry? popularne jest to w Polsce? pytam, bo ja na emigracji, w UK siedze, tu z dostaniem raspb...
by bubbl
Fri Nov 29, 2013 11:13 pm
Forum: General discussion
Topic: CUPS
Replies: 10
Views: 1637

Re: CUPS

Good luck with Arch, especially if you are a beginner Linux user
by bubbl
Fri Nov 29, 2013 10:09 pm
Forum: General discussion
Topic: CUPS
Replies: 10
Views: 1637

Re: CUPS

caffeinepizza wrote:I couldn't get cups 1.7 to work after compiled, but 1.6.4 installed and started, I'm testing and will provide results
btw, what bug are you talking about? can you provide link to official bug documentation?
by bubbl
Fri Nov 29, 2013 9:59 pm
Forum: General discussion
Topic: CUPS
Replies: 10
Views: 1637

Re: CUPS

have you tried modifying configuration?

Code: Select all

sudo dpkg-reconfigure cups
by bubbl
Fri Nov 29, 2013 9:50 pm
Forum: General discussion
Topic: CUPS
Replies: 10
Views: 1637

Re: CUPS

caffeinepizza wrote:Does this need to be moved to another forum?
no, it's just no one knows how to do that and you provided too little information.
try this tutorial. if no luck, let me know http://www.bartbania.com/index.php/cups ... y-printer/

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