如何解决这个错误我得到了
ubuntu@ip-172-31-0-20:/tmp$rvm install ruby-1.9.3-p484
Searching for binary rubies,this might take some time.
No binary rubies available for: ubuntu/14.04/x86_64/ruby-1.9.3-p484.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for ubuntu.
Requirements installation successful.
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-1.9.3-p484,this may take a while depending on your cpu(s)...
ruby-1.9.3-p484 - #downloading ruby-1.9.3-p484,this may take a while depending on your connection...
Warning: Failed to create the file ruby-1.9.3-p484.tar.bz2.part: Permission
Warning: denied
0 9806k 0 1002 0 0 22905 0 0:07:18 --:--:-- 0:07:18 23302
curl: (23) Failed writing body (0 != 1002)
There was an error(23).
Checking fallback: http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p484.tar.bz2
Warning: Failed to create the file ruby-1.9.3-p484.tar.bz2.part: Permission
Warning: denied
0 9806k 0 1167 0 0 4300 0 0:38:55 --:--:-- 0:38:55 4290
curl: (23) Failed writing body (0 != 1167)
There was an error(23).
Failed download
There has been an error fetching the ruby interpreter. Halting the installation.
ubuntu@ip-172-31-0-20:/tmp$