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iPhone 3G Jailbreak/Unlock for T-Mobile

by dervish on Aug.11, 2012, under Hacker, iPhone

How to jailbreak the iPhone 3G 4.2.1 with baseband 5.15.04 for use with a T-Mobile prepaid SIM.

Obtain T-Mobile SIM
Download the 4.2.1 IPSW Firmware (download)
Download and run redsn0w to jailbreak
– use above IPSW file when requested
– Options: Install Cydia (required), Install iPad baseband (required), Enable homescreen wallpaper (optional)
From Cydia, install UltraSn0w to unlock
Update MMS settings for T-Mobile

Phone should now be on the T-Mobile network with the ability to send text and MMS messages.

Import/recover old SIM contacts (optional)
– Install old/obsolete SIM card
– Go to Settings -> Mail, Contacts, Calendars -> Import SIM Contacts

iPhone 3G on T-Mobile

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Change Default Text Editor in Linux Mint/Ubuntu

by dervish on Aug.03, 2012, under Linux, Ubuntu

Command:
$ sudo update-alternatives --config editor


There are 3 choices for the alternative editor (providing /usr/bin/editor).
  Selection    Path               Priority   Status

------------------------------------------------------------

* 0            /bin/nano           40        auto mode

  1            /bin/ed            -100       manual mode

  2            /bin/nano           40        manual mode

  3            /usr/bin/vim.tiny   10        manual mode

Press enter to keep the current choice[*], or type selection number: 3 update-alternatives: using /usr/bin/vim.tiny to provide /usr/bin/editor (editor) in manual mode.

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No support for locale: en_US.utf8

by dervish on Jun.18, 2012, under Linux, Ubuntu

Error:
update-initramfs: Generating /boot/initrd.img-3.0.0-12-generic
Warning: No support for locale: en_US.utf8

Issue:
The problem is that /usr/share/initramfs-tools/hooks/root_locale is expecting to see individual locale directories in /usr/lib/locale, but locale-gen is configured to generate an archive file by default.

Fix:
# locale-gen --purge --no-archive Generating locales... en_AG.UTF-8... done en_AU.UTF-8... done en_BW.UTF-8... done en_CA.UTF-8... done en_DK.UTF-8... done en_GB.UTF-8... done en_HK.UTF-8... done en_IE.UTF-8... done en_IN.UTF-8... done en_NG.UTF-8... done en_NZ.UTF-8... done en_PH.UTF-8... done en_SG.UTF-8... done en_US.UTF-8... done en_ZA.UTF-8... done en_ZM.UTF-8... done en_ZW.UTF-8... done Generation complete.

or

# dpkg-reconfigure locales Generating locales... en_AG.UTF-8... done en_AU.UTF-8... done en_BW.UTF-8... done en_CA.UTF-8... done en_DK.UTF-8... done en_GB.UTF-8... done en_HK.UTF-8... done en_IE.UTF-8... done en_IN.UTF-8... done en_NG.UTF-8... done en_NZ.UTF-8... done en_PH.UTF-8... done en_SG.UTF-8... done en_US.UTF-8... up-to-date en_ZA.UTF-8... done en_ZM.UTF-8... done en_ZW.UTF-8... done Generation complete.