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Verifica conexiunea de internet folosind consola

Verifica coexiunea de internet folosind consola


## Viteza de upload
lftp -u user ftp.example.com -e 'put fisier; bye'


## Viteza de download
lftp -e 'pget http://example.com/fisier.iso; exit; '


## Verifica conexiunea dintre doua servere Linux/Unix
iperf -s -B serverIP
iperf -c serverIP -d -t 60 -i 10


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Primiti 200lei daca cheltuiti 50lei - Google AdWords

Google Adwords ofera 200lei pentru 50 lei cheltuiti pentru o campanie.

Folositi link-ul de mai jos pentru a obtine codul promotional.

Cupoane Google

Enjoy !


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Adaugare skype link HTML


Doua modalitati rapide de a adauga ID-ul sau numarul de telefon skype ca link intr-o pagina web.

<a href=”skype:username?call”>Call me on Skype!</a>

<a href=”callto:+441159881995“>Call me on my number via Skype!</a>


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Permite unui utilizator non root sa ruleze o aplicatie pe un port privilegiat


Permite unui utilizator non root sa ruleze o aplicatie pe un port privilegiat (valabil pentru Solaris 10).
Pentru a permite acest lucru este necesara adaugarea net_privaddr la attribute.

usermod -K defaultpriv=basic,net_privaddr user

Aceasta comanda adauga o linie noua in /etc/user_attr

grep user /etc/user_attr

user::::type=normal;defaultpriv=basic,net_privaddr

Pentru a testa:
su – user

ppriv $$

11788:  -bash
flags =
        E: basic,net_privaddr
        I: basic,net_privaddr
        P: basic,net_privaddr
        L: all



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Convertor pentru netmask

Daca aveti nevoie de o adresa exprimata in alt format acest tabel v-ar putea veni in ajutor.
Contine cele mai comune masti IPv4 exprimate in 4 formate diferite.

Bitmask (Bits) Dotted Decimal Hexadecimal Binary
/0 0.0.0.0 0x00000000 00000000 00000000 00000000 00000000
/1 128.0.0.0 0x80000000 10000000 00000000 00000000 00000000
/2 192.0.0.0 0xc0000000 11000000 00000000 00000000 00000000
/3 224.0.0.0 0xe0000000 11100000 00000000 00000000 00000000
/4 240.0.0.0 0xf0000000 11110000 00000000 00000000 00000000
/5 248.0.0.0 0xf8000000 11111000 00000000 00000000 00000000
/6 252.0.0.0 0xfc000000 11111100 00000000 00000000 00000000
/7 254.0.0.0 0xfe000000 11111110 00000000 00000000 00000000
/8 255.0.0.0 0xff000000 11111111 00000000 00000000 00000000
/9 255.128.0.0 0xff800000 11111111 10000000 00000000 00000000
/10 255.192.0.0 0xffc00000 11111111 11000000 00000000 00000000
/11 255.224.0.0 0xffe00000 11111111 11100000 00000000 00000000
/12 255.240.0.0 0xfff00000 11111111 11110000 00000000 00000000
/13 255.248.0.0 0xfff80000 11111111 11111000 00000000 00000000
/14 255.252.0.0 0xfffc0000 11111111 11111100 00000000 00000000
/15 255.254.0.0 0xfffe0000 11111111 11111110 00000000 00000000
/16 255.255.0.0 0xffff0000 11111111 11111111 00000000 00000000
/17 255.255.128.0 0xffff8000 11111111 11111111 10000000 00000000
/18 255.255.192.0 0xffffc000 11111111 11111111 11000000 00000000
/19 255.255.224.0 0xffffe000 11111111 11111111 11100000 00000000
/20 255.255.240.0 0xfffff000 11111111 11111111 11110000 00000000
/21 255.255.248.0 0xfffff800 11111111 11111111 11111000 00000000
/22 255.255.252.0 0xfffffc00 11111111 11111111 11111100 00000000
/23 255.255.254.0 0xfffffe00 11111111 11111111 11111110 00000000
/24 255.255.255.0 0xffffff00 11111111 11111111 11111111 00000000
/25 255.255.255.128 0xffffff80 11111111 11111111 11111111 10000000
/26 255.255.255.192 0xffffffc0 11111111 11111111 11111111 11000000
/27 255.255.255.224 0xffffffe0 11111111 11111111 11111111 11100000
/28 255.255.255.240 0xfffffff0 11111111 11111111 11111111 11110000
/29 255.255.255.248 0xfffffff8 11111111 11111111 11111111 11111000
/30 255.255.255.252 0xfffffffc 11111111 11111111 11111111 11111100
/31 255.255.255.254 0xfffffffe 11111111 11111111 11111111 11111110
/32 255.255.255.255 0xffffffff 11111111 11111111 11111111 11111111


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Cum stergi istoricul din BASH

Pentru a sterge istoricul sesiunilor precedente:

cd
rm .bash_history

 Pentru a sterge istoricul sesiunii curente:


history -c


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Instalare si configurare Squid proxy server pe CentOS / Redhat


Flosirea unui server proxy se poate dovedi util tunci cand doriti navigarea anonima sau mai rapida. Daca aveti acces la un server bazat pe linux, instalarea lui este foarte usoara. De asemenea un proxy pote fi folosit la filtrarea accesului la internet a utilizatorilor unei retele LAN si astfel oferind protectie retelei.

Instalare
# yum install squid

Dupa instalare deschidem fisierul de configurare pentru cateva setari de baza
# vi /etc/squid/squid.conf

Definim cel putin un ACL (access control list)
Portul default folosit este TCP 3128
acl our_networks src 192.168.1.0/24 192.168.2.0/24
http_access allow our_networks

Adaptati pentru IP-ul retelei de unde accesul web este permis.
Salvati fisierul si porniti proxy serverul.
# chkconfig squid on
# /etc/init.d/squid start

Deschideti portul 3128
# vi /etc/sysconfig/iptables

adaugati
-A RH-Firewall-1-INPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp --dport 3128 -j ACCEPT

Restartati firewallul
# /etc/init.d/iptables restart

Configurarea clientului
Deschideti broserul > Tools > Internet option > Network settings > adaugati IP-ul serverului proxy si portul 3128  .


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Google Disavow Links

Google a lansat un tool care ajuta in caz ca ati fost afectati de Google Penguin.
Google Disavow Links

Atentie !


Aceasta este o funcţie avansată şi ar trebui să fie utilizată cu precauţie. Dacă este utilizată incorect, această funcţie ar putea afecta performanţa site-ului dvs. în rezultatele căutării Google. Vă recomandăm să respingeţi linkurile de retur numai în cazul în care consideraţi că aveţi un număr semnificativ de linkuri spam, artificiale sau de slabă calitate care trimit spre site-ul dvs. şi dacă sunteţi sigur(ă) că aceste linkuri creează probleme site-ului dvs.


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Coduri MEP Blackberry

MEP-04598-005 at&t
MEP-07723-005 orange Santo Domingo
MEP-15326-002 verizon
MEP-15326-001 storm verizon
MEP-04104-007 T-MOBILE USA
MEP-04103-002 SPRINT
MEP-06813-002 VODAPHONE SPAIN
MEP-05277-005 SFR FRANCE
MEP-22793-001 BELL CANADA
MEP-09292-001 T-MOBILE UK
MEP-07723-005 ORANGE ROUMANIE
MEP-07723-004 ORANGE UK
MEP-06814-004 VODAPHONE UK NETHERLAND
MEP-11414-002 ETISALA UAE
MEP-11534-008 CLARO
MEP-14052-001 nextel
MEP-08589-001 vodafone portugal
MEP-07723-001 ORANGE FRANCE
MEP-06041-009 MOVISTAR SPAIN
MEP-12209-004 CLARO
MEP-06814-001 VODAFONE
MEP-20669-001 DIGITEL
MEP-23361-001 FIDO CANADA
MEP-08918-001 BOUYGUES FRANCE
MEP-07321-002 ORANGE UK
MEP-07723-005 orange republica dominicana
* MEP-07723-005 orange francia
* MEP-11534-008 8520 de claro
* MEP-04598-005 AT&T
* MEP-20669-001 Blackberry 8100 digitel
* MEP-11534-008 claro republica dominicana
* MEP-06041-005 movistar españa
* MEP-04104-007 Blackberry 8900 Tmobile
* MEP-04104-007 Blackberry 8320 Tmobile
* MEP-04104-007 Blackberry 8220 Tmobile
* MEP-15326-001 Blackberry 9530 verizon usa
* MEP-11534-008 Blackberry 8220 Telcel
* MEP-11534-008 MEP- 11534-007 blackberry 8520 Claro Dominican Republic
* MEP-06813-002 Vodafone UK Blackberry 9500
* MEP-14074-002 TElus BLackberry 9530
* MEP-06041-008 movistar
* MEP-14052-002 sprint usa
* MEP-14052-001 Nextel USA BlackBerry 8350i
* MEP-08589-001 Vodafone portugal
* MEP-12209-004 claro
* MEP-06814-001 8700v LOCKED TO VODAFONE
* MEP-06813-002 Vodafone, Spain
* MEP-05277-005 SFR France
* MEP-20669-001 Digitel
* MEP-23361-001 Fido Canada
* MEP-08918-001 Bouygues
* MEP-07321-002 orange uk
* MEP-21545-001 ireland vodafone
* MEP-06814-004 vodafone uk
* MEP-05277-004 SFR Vodafone
* MEP-15326-002 Verizon Wireless - USA
* MEP-04626-002 Rogers - Canada
* MEP-04104-007 T-Mobile - USA
* MEP-07723-005 Claro - Dominican Republic
* MEP-04598-005 at&t
* MEP-14074-002 Telus, Toronto, Canada
* MEP-04103-001 Vodafone UK
* MEP-06813-002 vodafone spain
* MEP-15326-002 i.t.e us listed 89NN canada
* MEP-09292-004 BB 8520 Tmobile UK
* MEP-08918-001 Bouygues telecom
* MEP-11534-008 telcel méxico
* MEP-05277-005 8520 SFR France
* MEP-07723-005 Orange, Dominican Republic
* MEP- 16472-001 Pakistan Mobilink
* MEP-10129-004 panama - cable and wireless
•mep-07723-005 orange republica dominicana
* mep-07723-005 orange francia
* mep-11534-008 8520 de claro
* mep-04598-005 at&t
* mep-20669-001 blackberry 8100 digitel
* mep-11534-008 claro republica dominicana
* mep-06041-005 movistar españa
* mep-04104-007 blackberry 8900 tmobile
* mep-04104-007 blackberry 8320 tmobile
* mep-04104-007 blackberry 8220 tmobile
* mep-15326-001 blackberry 9530 verizon usa
* mep-11534-008 blackberry 8220 telcel
* mep-11534-008 mep- 11534-007 blackberry 8520 claro dominican republic
* mep-06813-002 vodafone uk blackberry 9500
* mep-14074-002 telus blackberry 9530
* mep-06041-008 movistar
* mep-14052-002 sprint usa
* mep-14052-001 nextel usa blackberry 8350i
* mep-08589-001 vodafone portugal
* mep-12209-004 claro
* mep-06814-001 8700v locked to vodafone
* mep-06813-002 vodafone, spain
* mep-05277-005 sfr france
* mep-20669-001 digitel
* mep-23361-001 fido canada
* mep-08918-001 bouygues
* mep-07321-002 orange uk
* mep-21545-001 ireland vodafone
* mep-06814-004 vodafone uk
* mep-05277-004 sfr vodafone
* mep-15326-002 verizon wireless - usa
* mep-04626-002 rogers - canada
* mep-04104-007 t-mobile - usa
* mep-07723-005 claro - dominican republic
* mep-04598-005 at&t
* mep-14074-002 telus, toronto, canada
* mep-04103-001 vodafone uk
* mep-06813-002 vodafone spain
* mep-15326-002 i.t.e us listed 89nn canada
* mep-09292-004 bb 8520 tmobile uk
* mep-08918-001 bouygues telecom
* mep-11534-008 telcel méxico
* mep-05277-005 8520 sfr france
* mep-07723-005 orange, dominican republic
* mep- 16472-001 pakistan mobilink
* mep-10129-004 panama - cable and wireless 
mep-07723-005 orange republica dominicana 
mep-07723-005 orange francia 
mep-11534-008 8520 de claro 
mep-04598-005 at&t 
mep-20669-001 blackberry 8100 digitel 
mep-11534-008 claro republica dominicana 
mep-06041-005 movistar españa 
mep-04104-007 blackberry 8900 tmobile 
mep-04104-007 blackberry 8320 tmobile 
mep-04104-007 blackberry 8220 tmobile 
mep-15326-001 blackberry 9530 verizon usa 
mep-11534-008 blackberry 8220 telcel 
mep-11534-008 mep- 11534-007 blackberry 8520 claro dominican republic 
mep-06813-002 vodafone uk blackberry 9500 
mep-14074-002 telus blackberry 9530 
mep-06041-008 movistar 
mep-14052-002 sprint usa 
mep-14052-001 nextel usa blackberry 8350i 
mep-08589-001 vodafone portugal 
mep-12209-004 claro 
mep-06814-001 8700v locked to vodafone 
mep-06813-002 vodafone, spain 
mep-05277-005 sfr france 
mep-20669-001 digitel 
mep-23361-001 fido canada 
mep-08918-001 bouygues 
mep-07321-002 orange uk 
mep-21545-001 ireland vodafone 
mep-06814-004 vodafone uk 
mep-05277-004 sfr vodafone 
mep-15326-002 verizon wireless - usa 
mep-04626-002 rogers - canada 
mep-04104-007 t-mobile - usa 
mep-07723-005 claro - dominican republic 
mep-04598-005 at&t 
mep-14074-002 telus, toronto, canada 
mep-04103-001 vodafone uk 
mep-06813-002 vodafone spain 
mep-15326-002 i.t.e us listed 89nn canada 
mep-09292-004 bb 8520 tmobile uk 
mep-08918-001 bouygues telecom 
mep-11534-008 telcel méxico 
mep-05277-005 8520 sfr france 
mep-07723-005 orange, dominican republic 
mep- 16472-001 pakistan mobilink 
mep-10129-004 panama - cable and wireless 

mep-06041-007 movistar chile 8120
movitar chile,, mep-06041-008 8900
mep-06041-008 movistar 8520 -8300- 8900-9500-0220 (chile y españa)
mep-06041-005 movistar (chile y españa)

nº mep compañía
mep-08918-001 bouygues
mep-14052-002 sprint usa
mep-06813-002 vodafone uk- españa blackberry 9500
mep-04598-005 at&t - cingular
mep-20669-001 blackberry 8100 digitel
mep-15326-001 blackberry 9530 verizon usa
mep-10129-004 cable and wireless
mep-11534-008 claro el salvador - chile - re. Dominicana mexico (telcel)
mep-12209-004 claro en algunos paises
mep-11534-007 claro republica dominicana
mep-09917-001 entel

mep-23361-001 fido canadà
mep-06041-007 movistar
mep-06041-005 movistar (chile y españa)
mep-11534-002 movistar 8100
mep-06041-008 movistar 8520 -8300- 8900-9500-0220 (chile y españa)
mep-06041-009 movistar 9700
mep-14052-001 nextel usa blackberry 8350i
mep-07321-002 orange
mep-07723-005 orange republica dominicana, francia
mep-04626-002 rogers canadà
mep-05277-004 sfr - vodafone
mep-05277-005 sfr france
mep-09292-004 t mobile uk
mep-14074-002 telus blackberry 9530
mep-04104-007 t-mobile 8900-8320-8220
mep-15326-002 verizon
mep-06814-001 vodafone bb 8700
mep-21545-001 vodafone irlanda
mep-08589-001 vodafone portugal
mep-04103-001 vodafone uk
mep-06814-004 vodafone uk
mep-24409-002 = operador movilnet venezuela...9000-8900-8900 
mep-06041-008 = operador movistar venezuela...8320-8220-8520-8900-8220 (mep-06041-006) 
mep-11016-001 = operador personal ...8100- 
mep-11534-008 = operador honduras claro ...8520-8220 
mep-06813-002 = operador vodafone españa stron.. 9520 
mep-04598-004 = operador cingular ..8700- 
mep-06041-008 = operador movistar mexico ...8520 
mep-15326-002 = operador verizon usa ...8100 
mep-06041-007 = operador movistar españa 
mep-04103-002 = operador sprint usa 
mep-07723-004 = operador orange uk 
mep-22793-001 = operador bell usa 
mep-12209-008 = operador comcel 8520-8900-9700-8320 
mep-04104-007 = operador tmobile usa bol.. (2)9700-8100-8520-8320 
mep-20669-001 = operador digitel venezuela.. Fly 8220-8520 
mep-06041-009 = operador movistar colombia... 9700 bol 2 
mep-04598-005 = operador a t y t usa.... 9000 
mep-27488-001 = operador tigo..... 8520 
mep-14052-002 = operador sprint 9630 
mep-06814-001 = operador vodafone bb ....7290 
mep-15326-001 = operador verizon bb 9530 
mep-04626-002 = operador rogers canada 
mep-06424-002 = operador united kingdom 
mep-04598-005 = operador at&t wireless usa 
mep-04103-001 = operador t-mobile ale
* mep-07723-005 orange republica dominicana
* mep-07723-005 orange francia
* mep-11534-008 8520 de claro
* mep-04598-005 at&t
* mep-20669-001 blackberry 8100 digitel
* mep-11534-008 claro republica dominicana
* mep-06041-005 movistar españa
* mep-04104-007 blackberry 8900 tmobile
* mep-04104-007 blackberry 8320 tmobile
* mep-04104-007 blackberry 8220 tmobile
* mep-15326-001 blackberry 9530 verizon usa
* mep-11534-008 blackberry 8220 telcel
* mep-11534-008 mep- 11534-007 blackberry 8520 claro dominican republic
* mep-06813-002 vodafone uk blackberry 9500
* mep-14074-002 telus blackberry 9530
* mep-06041-008 movistar
* mep-14052-002 sprint usa
* mep-14052-001 nextel usa blackberry 8350i
* mep-08589-001 vodafone portugal
* mep-12209-004 claro
* mep-06814-001 8700v locked to vodafone
* mep-06813-002 vodafone, spain
* mep-05277-005 sfr france
* mep-20669-001 digitel
* mep-23361-001 fido canada
* mep-08918-001 bouygues
* mep-07321-002 orange uk
* mep-21545-001 ireland vodafone
* mep-06814-004 vodafone uk
* mep-05277-004 sfr vodafone
* mep-15326-002 verizon wireless - usa
* mep-04626-002 rogers - canada
* mep-04104-007 t-mobile - usa
* mep-07723-005 claro - dominican republic
* mep-04598-005 at&t
* mep-14074-002 telus, toronto, canada
* mep-04103-001 vodafone uk
* mep-06813-002 vodafone spain
* mep-15326-002 i.t.e us listed 89nn canada
* mep-09292-004 bb 8520 tmobile uk
* mep-08918-001 bouygues telecom
* mep-11534-008 telcel méxico
* mep-05277-005 8520 sfr france
* mep-07723-005 orange, dominican republic
* mep- 16472-001 pakistan mobilink
* mep-10129-004 panama - cable and wireless 
mep-07723-005 orange republica dominicana 
mep-07723-005 orange francia 
mep-11534-008 8520 de claro 
mep-04598-005 at&t 
mep-20669-001 blackberry 8100 digitel 
mep-11534-008 claro republica dominicana 
mep-06041-005 movistar españa 
mep-04104-007 blackberry 8900 tmobile 
mep-04104-007 blackberry 8320 tmobile 
mep-04104-007 blackberry 8220 tmobile 
mep-15326-001 blackberry 9530 verizon usa 
mep-11534-008 blackberry 8220 telcel 
mep-11534-008 mep- 11534-007 blackberry 8520 claro dominican republic 
mep-06813-002 vodafone uk blackberry 9500 
mep-14074-002 telus blackberry 9530 
mep-06041-008 movistar 
mep-14052-002 sprint usa 
mep-14052-001 nextel usa blackberry 8350i 
mep-08589-001 vodafone portugal 
mep-12209-004 claro 
mep-06814-001 8700v locked to vodafone 
mep-06813-002 vodafone, spain 
mep-05277-005 sfr france 
mep-20669-001 digitel 
mep-23361-001 fido canada 
mep-08918-001 bouygues 
mep-07321-002 orange uk 
mep-21545-001 ireland vodafone 
mep-06814-004 vodafone uk 
mep-05277-004 sfr vodafone 
mep-15326-002 verizon wireless - usa 
mep-04626-002 rogers - canada 
mep-04104-007 t-mobile - usa 
mep-07723-005 claro - dominican republic 
mep-04598-005 at&t 
mep-14074-002 telus, toronto, canada 
mep-04103-001 vodafone uk 
mep-06813-002 vodafone spain 
mep-15326-002 i.t.e us listed 89nn canada 
mep-09292-004 bb 8520 tmobile uk 
mep-08918-001 bouygues telecom 
mep-11534-008 telcel méxico 
mep-05277-005 8520 sfr france 
mep-07723-005 orange, dominican republic 
mep- 16472-001 pakistan mobilink 
mep-10129-004 panama - cable and wireless 

mep-06041-007 movistar chile 8120
movitar chile,, mep-06041-008 8900
mep-06041-008 movistar 8520 -8300- 8900-9500-0220 (chile y españa)
mep-06041-005 movistar (chile y españa)

nº mep compañía
mep-08918-001 bouygues
mep-14052-002 sprint usa
mep-06813-002 vodafone uk- españa blackberry 9500
mep-04598-005 at&t - cingular
mep-20669-001 blackberry 8100 digitel
mep-15326-001 blackberry 9530 verizon usa
mep-10129-004 cable and wireless
mep-11534-008 claro el salvador - chile - re. Dominicana mexico (telcel)
mep-12209-004 claro en algunos paises
mep-11534-007 claro republica dominicana
mep-09917-001 entel

mep-23361-001 fido canadà
mep-06041-007 movistar
mep-06041-005 movistar (chile y españa)
mep-11534-002 movistar 8100
mep-06041-008 movistar 8520 -8300- 8900-9500-0220 (chile y españa)
mep-06041-009 movistar 9700
mep-14052-001 nextel usa blackberry 8350i
mep-07321-002 orange
mep-07723-005 orange republica dominicana, francia
mep-04626-002 rogers canadà
mep-05277-004 sfr - vodafone
mep-05277-005 sfr france
mep-09292-004 t mobile uk
mep-14074-002 telus blackberry 9530
mep-04104-007 t-mobile 8900-8320-8220
mep-15326-002 verizon
mep-06814-001 vodafone bb 8700
mep-21545-001 vodafone irlanda
mep-08589-001 vodafone portugal
mep-04103-001 vodafone uk
mep-06814-004 vodafone uk
mep-24409-002 = operador movilnet venezuela...9000-8900-8900 
mep-06041-008 = operador movistar venezuela...8320-8220-8520-8900-8220 (mep-06041-006) 
mep-11016-001 = operador personal ...8100- 
mep-11534-008 = operador honduras claro ...8520-8220 
mep-06813-002 = operador vodafone españa stron.. 9520 
mep-04598-004 = operador cingular ..8700- 
mep-06041-008 = operador movistar mexico...8520 
mep-15326-002 = operador verizon usa ...8100 
mep-06041-007 = operador movistar españa 
mep-04103-002 = operador sprint usa 
mep-07723-004 = operador orange uk 
mep-22793-001 = operador bell usa 
mep-12209-008 = operador comcel 8520-8900-9700-8320 
mep-04104-007 = operador tmobile usa bol.. (2)9700-8100-8520-8320 
mep-20669-001 = operador digitel venezuela.. Fly 8220-8520 
mep-06041-009 = operador movistar colombia... 9700 bol 2 
mep-04598-005 = operador a t y t usa.... 9000 
mep-27488-001 = operador tigo..... 8520 
mep-14052-002 = operador sprint 9630 
mep-06814-001 = operador vodafone bb ....7290 
mep-15326-001 = operador verizon bb 9530 
mep-04626-002 = operador rogers canada 
mep-06424-002 = operador united kingdom 
mep-04598-005 = operador at&t wireless usa 
mep-04103-001 = operador t-mobile ale
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