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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
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

share|improve this question
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
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
@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
up vote 4 down vote accepted

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

share|improve this answer
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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