thanks to take all this time to help me....

this is better, after i removed the compiled version i get that :

[root@compute src]# cat `which gem` | head -n 1
#!/usr/bin/ruby
[root@compute src]# ls -l `which ruby`
-rwxr-xr-x 1 root root 3748 jui  1 10:33 /usr/bin/ruby

great ! but i when i try to run ruby that's a drama...

[root@compute src]# ruby
-bash: /usr/local/bin/ruby: No such file or directory

My path is :

/usr/lib/ccache:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

maybe another thing to do for updating the path ?
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