Please enter a valid user name or press 'cancel' to use the standard notepad.

Restore the size of an USB Drive

Overwrite the first few sectors (32KB is more than enough) with zeroes, then open cfdisk or fdisk or gparted and create a new partition table in the format you like (gpt or mbr).

dd if=/dev/zero of=/dev/sdb bs=32k count=1

And for that side node, you can only dd an ISO to a USB and boot from it if it is a hybrid ISO, i. e. an ISO that starts with a MBR or GPT partition table, and whose content is laid out that it has both a traditional filesystem and an ISO filesystem where the same file names point to the same files. (Also the bootloader has to detect that case and boot from USB or CD properly depending on what drive is present).

https://superuser.com/questions/1086118/restore-the-size-of-an-usb-drive-linux


Note created on:
28/06/2019
Last modification on:
28/06/2019
Note ID: &(c31E8E)

ssh Tunneling

You have first to copy your public id to the ssh server.

Then you can execute the following code in a terminal:

ssh -D 5222 user@remoteserver -N

Set SOCKS proxy in browser as 5222 (or anything you like)

https://askubuntu.com/questions/112177/how-do-i-tunnel-and-browse-the-server-webpage-on-my-laptop#112180


Note created on:
23/02/2019
Last modification on:
23/02/2019
Note ID: &(cZ31yp)

Shell Accounts


Note created on:
07/02/2019
Last modification on:
23/02/2019
Note ID: &(c1Hbsq)

Regular Expressions In grep examples

Match a character “v” two times:

egrep "v{2}" filename

The following will match both “col” and “cool”:

egrep 'co{1,2}l' filename

The following will match any row of at least three letters ‘c’.

egrep 'c{3,}' filename

The following example will match mobile number which is in the following format 91-1234567890 (i.e twodigit-tendigit)

grep "[[:digit:]]\{2\}[ -]\?[[:digit:]]\{10\}" filename

https://www.cyberciti.biz/faq/grep-regular-expressions/


Note created on:
22/01/2019
Last modification on:
22/01/2019
Note ID: &(cmPVwh)

Non-Blocking Perl Pipes


Note created on:
17/12/2018
Last modification on:
17/12/2018
Note ID: &(c84_i1)

Predefined Names in perl


Note created on:
15/12/2018
Last modification on:
15/12/2018
Note ID: &(cqmScv)

How to remove all line breaks from a string

This is probably a FAQ. Anyhow, line breaks (better: newlines) can be one of Carriage Return (CR, \r, on older Macs), Line Feed (LF, \n, on Unices incl. Linux) or CR followed by LF (\r\n, on WinDOS). (Contrary to another answer, this has nothing to do with character encoding.)

Therefore, the most efficient RegExp literal to match all variants is

/\r?\n|\r/g

https://stackoverflow.com/questions/10805125/how-to-remove-all-line-breaks-from-a-string


Note created on:
06/12/2018
Last modification on:
06/12/2018
Note ID: &(cKljle)

Convert all MTS files in MP4 and rename

find -exec  çok kullanışlı. Ama bazen kendi rekursiv programını yazman daha kestirme yol olabiliyor. Şu aşağıdakine benzer işler için ideal:

find -name "*.MTS" -exec sh -c 'ffmpeg -i "$1" -acodec copy -vcodec copy "${1%.MTS}.mp4"' _ {} \;


Note created on:
06/12/2018
Last modification on:
07/12/2018
Note ID: &(c0LYuG)

Find files greater than 2M and lesser then 10M

Find files greater than 2M and lesser then 10M in home directory sort them according to their size and convert size to human readable format

find ~/. -size +2M -size -10M -printf "%s %P\n" | sort -nk1 | numfmt —to=iec —format="%8f"

Şu tek satırın yaptığını yapması için koca bir c programı yazmıştım gençliğimde. Adı da file fisher kısaltması ffish idi. Hey gidi gençlik hey!


Note created on:
06/12/2018
Last modification on:
17/12/2018
Note ID: &(cW0cvm)

Running Your Code at the Right Time

https://www.kirupa.com/html5/running_your_code_at_the_right_time.htm

In that short period of time between you wanting to load a page and your page loading, many relevant and interesting stuff happen that you need to know more about. One example of a relevant and interesting stuff that happens is that any code specified on the page will run. When exactly the code runs depends on a combination of the following things that all come alive at some point while your page is getting loaded:


Note created on:
05/12/2018
Last modification on:
05/12/2018
Note ID: &(cUOLEZ)

Lyrebird

Adamlar neler yapmış, şuna bak!..


Note created on:
30/11/2018
Last modification on:
30/11/2018
Note ID: &(cum6QN)

Limit cpu

Belirli bir process için cpu'yu %80'e kısmak istersek:

cpulimit -p PID -l 80%


Note created on:
30/11/2018
Last modification on:
21/12/2018
Note ID: &(c3sCZK)

Ferahfeza'nın sesini uzaktan açmak için kod

Ferahfeza'nın sesini uzaktan açmak için kod:

rmixer UP 192.168.8.121 7982 cl_req=67522


Note created on:
29/11/2018
Last modification on:
30/11/2018
Note ID: &(cPFUdP)

One-liner to do a find/replace in several files

find . -type f -print0 | xargs -0 -n 1 sed -i -e 's/from/to/g'

Rekursif çalışıp çalışmadığını test etmedim, ama işe yarıyor.


Note created on:
03/08/2014
Last modification on:
03/08/2014
Note ID: &(cuJQJE)

Thinking in OOP

Moving into OOP is what changes programming from dechipherable code into real, understandable thought that is easy to understand. You have to keep in mind that the computer thinks in specifics. In fact so specific that the only thing the computer truely understands (if understanding is proper terminology) is "electrical signal on." Perhaps not even "off" as that is simply the absence of an "on," but that's a matter of philosophy.

http://gillius.org/ooptut/part1.htm#Thinking in OOP


Note created on:
29/07/2014
Last modification on:
19/11/2018
Note ID: &(c2X_wh)

C++ Tutorial

http://www.tutorialpoint.com/cplusplus/cpp_environment_setup.htm

This reference will take you through simple and practical approach while learning C++ Programming language.


Note created on:
28/07/2014
Last modification on:
24/11/2018
Note ID: &(c8rB_k)

Chapter 12. Objects

http://docstore.mik.ua/orelly/perl3/prog/ch12_01.htm

Contents:

  • Brief Refresher on Object-Oriented Lingo
  • Perl's Object System
  • Method Invocation
  • Object Construction
  • Class Inheritance
  • Instance Destructors
  • Managing Instance Data
  • Managing Class Data
  • Summary

Ve daha neler neler...


Note created on:
28/07/2014
Last modification on:
29/07/2014
Note ID: &(c36jUH)

Object Oriented Programming in PERL

http://www.tutorialpoint.com/perl/perl_oo_perl.htm

Before we start Object Oriented concept of perl, lets understand references and anonymous arrays and hashes


Note created on:
28/07/2014
Last modification on:
29/07/2014
Note ID: &(c690Gm)

Object Oriented Perl examples for OO beginners

http://www.perlmonks.org/?node_id=289076

A simple example OO script for total beginners


Note created on:
28/07/2014
Last modification on:
28/07/2014
Note ID: &(cCodTV)

File syncronisation over ssh

Assign aliases in .bashrc to sync files with one command. Two examples:

  • alias sync_note='cat Dropbox/Notizblock.txt | ssh kelbsmeen@bitcoinshell.mooo.com "cat > /var/www/localhost/htdocs/users/kelbsmeen/notepad.txt"'
  • alias sync_note='cat Werkstatt/notes/bitcoinshell.mooo/notes.cgi | ssh kelbsmeen@bitcoinshell.mooo.com "cat > /var/www/localhost/htdocs/users/kelbsmeen/cgi-bin/notes.cgi"'

Just like in old good days...


Note created on:
28/07/2014
Last modification on:
19/11/2018
Note ID: &(cUkQZ0)

Regular expressions in Perl

http://www.cs.tut.fi/~jkorpela/perl/regexp.html

This document presents a tabular summary of the regular expression (regexp) syntax in Perl, then illustrates it with a collection of annotated examples.


Note created on:
unknown
Last modification on:
unknown
Note ID: &(cIEbFG)

Mouse events


Note created on:
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unknown
Note ID: &(cWqYeP)

Javascript Char Codes (Key Codes)


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unknown
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unknown
Note ID: &(cITWs7)

Create Fractals with Recursive Drawing


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Note ID: &(cugghx)

perlfaq5

http://perldoc.perl.org/perlfaq5.html

Official perl programming ducumentation. Frequently asked questions.


Note created on:
unknown
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unknown
Note ID: &(lb5dPu)

Perl programming documentation


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unknown
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unknown
Note ID: &(lMjXgo)

SSH Login Without Password Using ssh-keygen


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Note ID: &(ckJlkV)

Free shells


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unknown
Note ID: &(cPZbFT)

19 ffmpeg commands for all needs


Note created on:
24/11/2018
Last modification on:
24/11/2018
Note ID: &(coOM7H)

Color Theory


Note created on:
unknown
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Note ID: &(c6foqS)

O'Reilly Perl Programming (Hash Reference)

In the sections that follow, you will find code examples designed to illustrate many of the possible types of data you might want to store in a record, which we'll implement using a hash reference. The keys are uppercase strings, a convention sometimes employed (and occasionally unemployed, but only briefly) when the hash is being used as a specific record type.


Note created on:
23/12/2018
Last modification on:
23/12/2018
Note ID: &(cs65sB)

Mount ntfs

mount -t ntfs-3g -o uid=1000,gid=1000,dmask=022,fmask=133 /dev/sdb1 /mnt


Note created on:
unknown
Last modification on:
unknown
Note ID: &(cLnh3d)

Simple HTML drop down hover menu using just CSS. No JavaScript


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Note ID: &(cK9dVW)
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