So, I installed RVM.

First I get the rvm installer via:
> curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts         >
/rvm-installer
Second, I do sudo bash rvm-installer (which placed in my home folder).

I reboot linux and all OK.

But now other problem: other users can't see rvm commands.

RVM installed in /usr/local/rvm:
> user@comp:~$ ls /usr/local/rvm
> archives  bin  config  contrib  environments  examples  gems  gemsets      >
help  hooks  lib  LICENCE  log  man  patches  patchsets  README  rubies 
>
scripts src  tmp  user  VERSION  wrappers

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