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When I run

# tlmgr update --self

This is the reply I get:

tlmgr: package repository ftp://ftp.riken.go.jp/pub/tex-archive/systems/texlive/tlnet
/usr/local/texlive/2011/bin/x86_64-linux/tlmgr: The TeX Live versions supported by the repository
(2012--2012)
do not include the version of the local installation
(2011).  Goodbye.

Could anyone guide me on how to update tlmgr to 2012? Do I have to uninstall and install TeX Live all over again?

Thanks in advance

Update: I use Scientific Linux

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5  
See: tug.org/texlive/upgrade.html - But you can install TL 2012 next to TL 2011 –  Marco Daniel Jul 22 '12 at 11:07
    
Thanks, but won't this take too much disk space? LaTeX has already taken ~2Gbytes on my computer! –  makhlaghi Jul 22 '12 at 11:18
    
@astroboy Depends on your situation. I have a 250 Gb disk in my laptop, which is in total less than a quarter full despite having MacTeX 2011, MacTeX 2012, TL2011 (Win), TL2012 (Win) and TL2011 (Ubuntu) installed :-) –  Joseph Wright Jul 22 '12 at 11:20
1  
Thanks a lot Marco and Joseph. Actually my computer has 2 TeraBytes of space and most of it is empty but I want to be efficient. So I will remove and install the whole new thing when ever I have some free time. Thanks again. –  makhlaghi Jul 22 '12 at 11:24
2  
@astroboy: there's efficient of computer resources and efficient of your time. back when i had 100 k_words_ disc space allocation (1969), there was no choice. with 2tbyte to play with, you can surely not worry! -- on my work desktop, with rather smaller disc, i've got three annual copies of tl. not particularly because i need them, but because it has saved thinking time! –  wasteofspace Jul 22 '12 at 11:56
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1 Answer

up vote 4 down vote accepted

This document describes how to upgrade from TeXLive 2011 to TeXLive 2012.

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Marco Daniel provided the link in his comment from Jul 22. –  Marc van Dongen Jul 27 '12 at 9:58
    
@MarcvanDongen Sorry. I had not carefully read all the comments. –  Paul Gaborit Jul 27 '12 at 10:43
    
No need to apologise..... –  Marc van Dongen Jul 27 '12 at 12:11
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