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GNU i ostala družinaGNU i ostala družina
Slobodan softver i Slobodan softver i popularizacija naukepopularizacija nauke
Milan MiloševićMilan Milošević
AK Letenka, jul 2009
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Free softwareFree software
● “Free” - sloboda, ne cena
● “Free as in freedom”
● "Free as in beer" vs "Free as in speech"
● Besplatan vs slobodan
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Besplatan softver?Besplatan softver?
● Vlasnički softver● Freeware● Shareware (?!?!)
● Free software
Licence: http://www.gnu.org/licenses/license-list.html
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Definicija:Definicija:
(0) Korišćenje programa u bilo koje svrhe
(1) Uvid u način funkcionisanja programa
(otvoreni kod)
(2) Redistribucija kopija
(3) Unapređivanje programa i objavljivanje
unapređenja
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(0) Korišćenje programa(0) Korišćenje programa
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(2) Redistribucija(2) Redistribucija
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(3) Unapređivanje(3) Unapređivanje
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Zašto?Zašto?
● I need, I want, I CAN
● Niko ne radi besplatno ?!?● Neko radi zbog zabave● Neko radi zbog potrebe
● “Novi” poslovni model● Cena usluge, ne proizvoda
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Zašto ja?Zašto ja?
● Korisnik● Cena, stabilnost, bezbednost
● Kompanije● Kompatibilnost, nezavisnost, cena
● Čovečanstvo● Monopol, znanje, sigurnost, nema “Velikog brata”
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Ali...Ali...
● Već koristite Slobodan softver !● Firefox● Wikipedia● Astronomski magazin● Internet...
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GNU is Not UnixGNU is Not Unix
● 1969: Nastao Unix (AT&T)
● 1983: Startovao GNU Projekat (Richard Stallman)
● 1991: Linux 0.01 ( 10k linija koda, 1 korisnik )
● 1994: Linux 1.0 ( 170k linija, 100 hiljada korisnika)
● 1996: Linux 2.0 ( 400k linija, 1,5 miliona korisnika)
● 1998: Free Software Definition (4 slobode)
● 1998: Linux 2.1.11 ( 1.5M linija, 7.5 miliona korisniak)
● 1999: Linux 2.2: 12 miliona korisnika
● 2009: Odlična budućnost
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GNU/LinuxGNU/Linux
1991 (ver0.01)
1992 (ver0.96)
1993 (ver0.99)
1994 (ver1.0)
1995 (ver1.2)
1996 (ver2.0)
1997 (ver2.1)
1998 (ver 2.1.11)
0
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
8,000,000
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
Lines of CodeUsers
Apache
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GNU/LinuxGNU/Linux
● Linux Kernel: ● Softver koji obezbeđuje komunikaciju između hardvera I
korisničkog softvera. Linux kernel radi na mnogim platformama (Intel x86, IA-64, AMD64, Alpha, MIPS, HP PA-RISC, PowerPC, IBM S/390, SPARC, Motorola 680x0, itd.).
● GNU/Linux OS:● Linux kernel i korisnički softver koji omogućava rad.
● Linux Distribution:● Linux Kernel, GNU/Linux OS i dodatni sofver koji omogućava
jednostavnu instalaciju, konfigurisanje i rad
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Prednosti:Prednosti:
● Brzina i stabilnost
● Bolji kvalitet i ekonomičnost
● Bezbednost: manje “rupa” brze i češće “zakrpe”
● Nema crva, spyware-a, rušenja, plavog ekrana
● Pravi višekorisnički sistem (pristup fajlovima, prava drugih korisnika, morate da se prijavite)
● Prilagodljivost (Mogućnost izbora, CLI, GUI,...).
● Jaka zajednica za podršku i razvoj
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Ako je tako dobar...Ako je tako dobar...
● ...zašto se ne koristi više?● Skuplje = bolje● Marketing● Kompanije, ugovori, obaveze● Piraterija
“It’s easier for our software to compete with Linux when there’s piracy than when there’s not.” - Bill Gates (2007)
“They’ll get sort of addicted, and then we’ll somehow figure out how to collect sometime in the next decade.” Bill Gates (2006)
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Svet bez zidovaSvet bez zidova
In a world without walls, who needs
windows and gates?
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Koristi se:Koristi se:
● Google !● 70% web strana● TOP500 naj- računara
● Linux ~88% (svi sa liste TOP10)● Unix/Linux ~5.8%● Unix ~4.4%● Windows HPC ~1%● BSD – 1 računar
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GNU/Linux distribucijeGNU/Linux distribucije
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DistribucijeDistribucije
● Debian: velika zajednica (>1200 programera), stroga pravila slobode, 30k paketa, rast 20% godišnje. Najveća (?)
● Ubuntu: za desktop korisnike, bazirana na Debian unstable.
● Red Hat: Jedna od najstarijih distribucija, Enterprise.
● Fedora: Sponorisana od strane Red Hat-a, razvija je zajednica.
● Centos: Besplatna alternativa Red Hat-a.
● Mandriva: Najpopularniji derivat Red Hat-a.
● Suse: razvija Novell, Enterprise distribucija. Podrška Microsofta (?)
● OpenSuse: slobodna alternativa Suse
● Slackware: najsličnija Unixu, stara i popularna distribucija
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GNU/Linux “slojevi”GNU/Linux “slojevi”
● Kernel● Shell● X-Server (XFree, XORG)
● Desktop Enviroment● KDE, Gnome, XFCE, ...
● Composite Window Maker● Window Maker, Enlightment, IceWM, ...
● Window Decorator
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GNU/Linux za svaki danGNU/Linux za svaki dan
● Firefox, Thunderbird● aMSN, Pidgin, Kopete● OpenOffice● GIMP, Inkscape, Scribus● Amarok, Audacious, Mplayer, VLC, Kdenlive● Octave, FreeMat, Latex● Celestia, Kstars, OpenUniverse, Step
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Instalacija programaInstalacija programa
● Windows● Google● Download, $$$● Install● Google, $$$...
● GNU/Linux● Menadžer paketa
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CLI vs GUICLI vs GUI
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Kako?Kako?
● Windows + slobodan softver
● Dual boot
● GNU/Linux + VirualBox
● GNU/Linux !
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Ne samo Linux...Ne samo Linux...
● Skoro svi programi rade i na Windowsu● Internet:
● Wordpress● Joomla● SMF● Wiki● Itd
● Tekstovi, slike, audio i video materijal
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Licence (1)Licence (1)
● Public Domain● EULA (End-User License Agreements )● GPL – General Public Licence● BSD – Berkeley Software Distribution
● Sloboda 3 nije obavezna
● CDDL (Common Development and Distribution License)● Licence kompanija, itd
● CC - Creative Commons
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Licence (2)Licence (2)
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Licence (3)Licence (3)
EULA (End Users license agreement): sharing is evil. BSD: Berkeley Software Distribution: sharing is not evil. GNU
General Public License: not sharing is evil. What you think?
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CC - Creative CommonsCC - Creative Commons
● Attribution● Share Alike● Noncommercial● No Derivative Works
● http://creativecommons.org/about/licenses/● http://creativecommons.org/international/rs/
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Korisni linkoviKorisni linkovi
● http://www.fsnserbia.org/● http://blog.urosevic.net/● http://www.ubuntu-rs.org/● http://www.linux.org/● http://www.debian.org/● http://www.ubuntu.com/● http://www.gnu.org/
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Pitanja?Pitanja?
● Homepage: http://www.mmilan.com● E-mail: [email protected]● http://www.facebook.com/mmilann● http://www.facebook.com/univerzum● http://www.twitter.com/mmilann
Neka prava su zadržana. Objavljeno pod Creative CommonsAttribution-Noncommercial-Share Alike 3.0 Serbia Licencom