[OS X TeX] Trouble installing MacTeX 2016 in El Capitan

Josep Maria Font jmfont at ub.edu
Wed Sep 14 18:33:11 CEST 2016

Dear Richard,

I am sorry that my message gave some trouble to you. Yes, I checked that the lines were copied correctly. The problem was in my computer: When upgrading to El Capitan, I had left out one step I shouldn't (I've been a Mac user for 30 years, so I should have known!): Even if upgraded using Software Update, from Apple's repository, one should run Software Update once more! A minor update appeared, and after I applied it, I used the same Terminal commands (carefully copy-pasted from the doc) and they worked flawlessly. Why they had not worked before ? No idea ...

I take this opportunity to send you a very warm thanks for all the work you do for all of us.


On 14/09/2016, at 18.14, Richard Koch <koch at uoregon.edu> wrote:

> Joseph Maria,
> I'm curious. When the instructions failed for you, did you erase them and then start over, carefully
> copying everything and checking to make sure none of the copied lines was left out or cut off at the end?
> I ask this because we don't just write those instructions and assume they are correct Before the DVD
> was created, I personally installed the full MacTeX on every qualifying operating system, by following
> the instructions exactly. And that means Leopard PPC, Leopard Intel, Snow Leopard, Lion, Mountain
> Lion, Mavericks, Yosemite, and El Capitan.
> I was exhausted. So to be casually told that the instructions didn't work is mildly distressing.
> Dick Koch
>> On Sep 14, 2016, at 2:53 AM, Josep Maria Font <jmfont at ub.edu> wrote:
>> I had MacTeX-2105 installed in Mavericks and -finally- I decided to upgrade to El Capitan. Everything semmed to work fine, including TeXShop and TeX.
>> Then I wanted to install MacTeX-2016 from the DVD. I copy-pasted the relevant lines in Terminal, as instructed in the installation document, and after typing the admin passwd, I got:
>> sudo: unable to execute ./install-tl: Input/output error
>> I did not find any help concerning this issue in the installation notes, the TUG web site, etc.
>> Any help will be appreciated.
>> JMaF

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