[erlang-questions] Erlang update on CentOS

Lee Sylvester <>
Wed May 6 12:13:23 CEST 2015


Thanks zxq9,

I was able to solve it by editing the script in /usr/local/bin

Kind regards,
Lee


On 06/05/15 11:11, zxq9 wrote:
> On 2015年5月6日 水曜日 10:04:19 Lee Sylvester wrote:
>> Hey guys,
>>
>> So, I'm updating a server from R16.1B to 17.5.  I now have 17 existing
>> in /usr/lib64/erlang and R16B in /usr/local/lib/erlang, but when I run
>> erl, it runs the R16B version.
>>
>> Does anyone know where the path is that I need to change to update the
>> wanted erlang install location?
> Since none of us know how your packages are installed (or if they are packages)...
>
> To see what path is being found first, try:
>
>    which erl
>
> Using the "locate" command can be helpful, especially if you search for "bin/erlc" instead of just erl. On a Debian system, for example, I see:
>
>    :~$ locate bin/erlc
>    /usr/bin/erlc
>    /usr/lib/erlang/bin/erlc
>    /usr/lib/erlang/erts-6.4/bin/erlc
>
> Looking a bit closer:
>
>    :~$ which erlc
>    /usr/bin/erlc
>
> And looking even closer:
>
>    :~$ ls -l $(which erlc)
>    lrwxrwxrwx 1 root root 22  4月  2 19:23 /usr/bin/erlc -> ../lib/erlang/bin/erlc
>
> Hopefully this gives you a place to start.
>
> On a Fedora derivative You may want to use the alternatives command to simplify management of this sort of thing:
> ( http://zxq9.com/archives/934 )
>
> -Craig
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